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EP3551523A1 - Automotive vehicle provided with a body subassembly decreasing aerodynamic turbulence in a wheel arch - Google Patents

Automotive vehicle provided with a body subassembly decreasing aerodynamic turbulence in a wheel arch

Info

Publication number
EP3551523A1
EP3551523A1 EP17811631.5A EP17811631A EP3551523A1 EP 3551523 A1 EP3551523 A1 EP 3551523A1 EP 17811631 A EP17811631 A EP 17811631A EP 3551523 A1 EP3551523 A1 EP 3551523A1
Authority
EP
European Patent Office
Prior art keywords
vehicle
duct
wing
channel
automobile according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP17811631.5A
Other languages
German (de)
French (fr)
Inventor
Jean Philippe Thai Van
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
PSA Automobiles SA
Original Assignee
PSA Automobiles SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by PSA Automobiles SA filed Critical PSA Automobiles SA
Publication of EP3551523A1 publication Critical patent/EP3551523A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D35/00—Vehicle bodies characterised by streamlining
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
    • B62D25/08—Front or rear portions
    • B62D25/16—Mud-guards or wings; Wheel cover panels
    • B62D25/161—Mud-guards made of non-conventional material, e.g. rubber, plastics

Definitions

  • the present invention is in the field of the development of a sub-assembly of lateral bodywork of a motor vehicle organized to improve the aerodynamics of the vehicle.
  • the body subassembly of the invention relates to those comprising at least one wing trim participating in the formation, in particular in the environment of a wheel arch of the vehicle, a conveying conduit of a airflow from the front to the rear of the vehicle.
  • the body of a motor vehicle is a frame on which are reported various components of the vehicle. Among these components, it is to consider the body elements or subassemblies forming a side trim of the vehicle. More specifically, such a lateral body subassembly may be installed in the area of passage of a wheel of the vehicle and comprise at least one wing and a wing trim.
  • the wing classically dresses a longitudinal right or left side end of the longitudinal end of the vehicle, front or rear, being fixed to the body at a plurality of attachment points.
  • the wing is docked against an arched box edge typically defining a wheel arch formed under the vehicle body and opening on the outer lateral side of the vehicle body.
  • the wing then has a clearance providing access to the wheel well laterally from outside the vehicle.
  • the wing trim is generally shaped ring portion and is fixed to the body and / or wing in a plurality of anchor points.
  • the wing trim covers the edge of the wing delimiting its access clearance lateral to the wheel well, in particular to hide the landing area of the wing against the arched edge of the box and thus not break the line aesthetics of the vehicle in the wheel arch area. It is already specified the relative concepts commonly accepted to describe a bodywork of a motor vehicle.
  • the concepts "before” and “rear” of the vehicle are relative concepts defined in the direction of forward movement of the vehicle identified by the driver station on board the vehicle.
  • the driver at the vehicle control station in particular faces the direction of advance towards the front of the vehicle.
  • the notion of "lateral” is identified by the sides of the vehicle distributed on either side of a transversely median longitudinal axis of the vehicle extending between the front and the rear of the vehicle.
  • the concepts "right” and “left” are relative notions considered laterally with respect to a forward orientation of the vehicle.
  • the notion of verticality is assessed in relation to the rolling plane of the vehicle and identifies, for example, the concepts of "lower” and “higher”, as well as the notions “above” and “below” relating to the positions between two organs. According to a vertical axis oriented perpendicular to the rolling plane of the vehicle, the concepts “above” and “above” mean “more distant from the rolling plane of the vehicle” than the concepts “lower” and "below”.
  • the wrapping of the vehicle gives it its aerodynamics and exterior aesthetics to which the customer is particularly sensitive.
  • An improvement in the aerodynamics of the vehicle reduces its propulsive energy consumption and therefore its impact on the environment to which the customer is equally sensitive.
  • Customers are also particularly sensitive to the noise that can be perceived from inside the vehicle interior.
  • a sub-assembly of the lateral body of a motor vehicle to improve its aerodynamics, by providing a channel path of a flow of air along the body subassembly.
  • the air flow is generated during a progression of the vehicle forward, the air from outside the vehicle.
  • the duct opens towards the front of the vehicle for the admission of the air flow inside the duct and towards the rear of the vehicle for the evacuation of the air flow out of the duct.
  • the air flow enters the interior of the conduit through its upstream outlet oriented towards the front of the vehicle and is discharged from the conduit through its downstream outlet oriented towards the rear of the vehicle.
  • the concepts upstream and downstream are relative notions considered according to the direction of flow of the air flow along the vehicle.
  • a conduit is partly formed between a wing and a hubcap fitted to a front wheel well.
  • the upstream outlet of the conduit leads to the wheel well and the downstream outlet of the conduit opens through a bodywork element longitudinally extending the wing trim towards the rear of the vehicle, such as the wing and / or a door. access to the passenger compartment of the vehicle.
  • the present invention relates to a motor vehicle provided with a sub-assembly of lateral bodywork providing a conduit for circulating an air flow from the front to the rear of the vehicle.
  • the subassembly of bodywork comprises at least one wing trim participating in the formation of the conduit. More particularly, the wing trim at least participates in the formation of a section of the duct.
  • An object of the invention is to provide an arrangement of the conduit which improves the aerodynamic performance of the vehicle and therefore reduces its propulsive energy consumption.
  • the propulsive energy of the vehicle is likely to be produced by a combustion engine and / or an electric motor.
  • Another object of the invention is to give the vehicle a particular aesthetic line that can appeal to customers for the purchase of the vehicle or at least not to impede an act of purchase of the vehicle despite the aerodynamic performance of the vehicle obtained.
  • the motor vehicle of the present invention is provided with a lateral body subassembly providing a duct for circulating a flow of air from the front to the rear of the vehicle.
  • the body subassembly comprises at least one wing fitting a wheel arch opening laterally towards the outside of the vehicle.
  • the wing is equipped with a wing trim participating in the formation of the duct.
  • the motor vehicle is mainly recognizable in that the conduit comprises at least two duct sections each opening to the wheel well at a longitudinal distance from one another.
  • the continuity of the duct is broken in the zone of the wheel arch by leaving two sections of duct which open each on the wheel well at a longitudinal distance from each other.
  • the downstream outlet of an upstream duct section opens onto the wheel well being arranged opposite and at a longitudinal distance from the upstream outlet of a downstream duct section which opens out onto the wheel well.
  • turbulence usually generated by the flow of air flowing along the wheel arches.
  • obtaining a laminar flow of air flow along the wheel well is optimized and drag of the vehicle is reduced.
  • the aerodynamics of the vehicle is improved and the noise nuisance usually generated by such turbulence is avoided.
  • the formation of the duct sections can be used to improve the aesthetics of the vehicle in the wheel well area, especially from a symmetrical configuration on either side of the vertical axis of the wheel of the portions of the duct sections delimited at least in part by a wall of the hubcap facing the outside of the vehicle.
  • the hubcap may be symmetrically shaped on either side of the vertical axis of the wheel by arranging at least one wall of the hubcap facing the outside of the vehicle to form the pipe sections while conferring a particular aesthetic harmonious to the hubcap.
  • Such an arrangement can be achieved at lower costs while providing the results to achieve the aims of the invention.
  • a remarkable form of the invention is the formation between the duct sections of an air flow generating device of an air curtain along the lateral outlet of the wheel well to the outside of the vehicle. More specifically, according to this remarkable embodiment of the invention, the outlets of the duct sections on the wheel passage together form a ventilation device of the duct capable of forming a curtain. of air at least partly along the lateral outlet of the wheel arch.
  • the air coming from the air curtain is notably provided by the flow of air flowing through the duct during the progression of the vehicle.
  • the air flow device generates a flow of air flow from the upstream pipe section along the wheel well, and then a drive of the air flow to the upstream outlet of the downstream pipe section.
  • An air passage is thus generated along the lateral outlet of the wheel well to the outside of the vehicle, such an air passage forming an air curtain extending in particular in front of the wheel housed in the wheel well.
  • the duct sections open in particular in an area of the wheel arch lined by its side outlet to the outside of the vehicle.
  • the outlets of the pipe sections are in particular oriented in a substantially vertical plane defined by the substantially vertical extension of the lateral outlet of the wheel well to the outside of the vehicle.
  • the outlets of the pipe sections extend vertically from the base of the wing trim or in other words from an area of the wing trim closest to the rolling plane of the vehicle.
  • the outlets of the pipe sections extend vertically towards a limit defined by the tread of the wheel.
  • the surface of the air curtain is thus optimized to extend at best along a half-volume of the wheel extending between its axis of rotation and its tread.
  • the conduit sections comprise in particular at least one channel delimited by at least one wall of the wing trim.
  • the channel of at least one of the pipe sections is formed inside the wing trim.
  • the channel is formed between at least two walls of the hubcap oriented for one towards the wheel well and the other towards the outside of the vehicle.
  • the channel of at least one of the duct sections is formed between a wall of the wing trim and a wall of the wing. More particularly in this case, the wall of the wing trim is particularly oriented towards the outside of the vehicle overlay of the wall of the wing in its area receiving the wing trim.
  • the channel of at least one of the pipe sections can be arranged inside the wing trim and the channel of the one to less sections of duct may be formed between the wall of the hubcap and the wall of the wing.
  • the channel of at least one of the duct sections at least partially houses fins oriented towards the other duct section. The fins form between them two by two circuits for passage of air flow through the channel.
  • the fins are in particular planar conformation and oriented parallel to each other by delimiting between them air passage circuits of substantially the same volumes.
  • the fins preferably extend at least partly inside the channel being in particular more or less oriented parallel to the rolling plane of the vehicle.
  • the fins extend in their plane substantially parallel to the rolling plane. According to one variant, the fins may extend in their plane transversely to the rolling plane. According to one embodiment, the fins are formed by grids equipping the outlets of the channel of at least one of the pipe sections. According to one variant, the fins are formed by partition walls of the channel. According to one embodiment, at least one of the duct sections comprises a channel extension duct which is formed by at least one bodywork element of the body subassembly comprising at least the wing.
  • At least one of the duct sections comprises a pipe adapted to be arranged in extension of the channel at least in the vehicle station allowing its progression.
  • the pipe extends at least partly along the bodywork element being disposed permanently in extension of the channel.
  • the pipe is arranged in extension of the channel when the bodywork element is placed in a position. position allowing the progression of the vehicle.
  • the bodywork element providing the conduit comprises at least one access door to the passenger compartment of the vehicle.
  • the pipe then extends the channel into a station of the vehicle allowing its progression, especially in the closed position of the door.
  • the pipe may be arranged along the upstream part of the front wing and / or at least partly along at least one door. Driving may lead to the front of the vehicle through the front bumper.
  • the pipe may be provided along the downstream portion of the wing and / or may open through the rear bumper.
  • Figure 1 is an essentially side perspective illustration of a motor vehicle, illustrating the context of the invention.
  • Figure 2 is an illustration in side view of an embodiment of a ventilation device according to the invention applied to a front wheel well of a motor vehicle.
  • FIG. 3 is an essentially lateral perspective illustration of an embodiment of a ventilation device according to the invention applied to a rear wheel arch of a motor vehicle.
  • FIG. 4 is a detail of Figure 3 illustrating a particular embodiment of the invention.
  • Figure 5 is a schematic illustration in vertical section of an embodiment of a duct section participating in a ventilation device according to the invention.
  • Figure 6 is a schematic illustration in vertical section of another embodiment of a duct portion participating in a ventilation device according to the invention.
  • a motor vehicle 1 is represented as a progression station, in particular in a direction of progression SP oriented towards the front of the vehicle 1.
  • the vehicle 1 extends in a following orthonormal frame:
  • the vehicle 1 has wheel passages 3a, 3b housing the wheels 2 of the vehicle 1, including right and left front wheel arches 3a and right and left rear wheel arches 3b.
  • the wheel arches 3a, 3b each delimit a lateral recess 4 of arcuate conformation to allow access to the wheel 2 which they house from outside the vehicle 1.
  • the vehicle 1 comprises body sub-assemblies for restoring at least wheel wells 3a, 3b.
  • the body subassemblies each comprise a wing 5 and a wing trim 6 to hide the docking area between the wing 5 and the chassis of the vehicle 1.
  • the wing trim 6 is of arcuate conformation to follow the aesthetic line of the lateral outlet 4 of the wheel arch 3a, 3b.
  • the wing 5 and the wing trim 6 extend essentially in a longitudinal extension plane of the vehicle 1.
  • the concepts "substantially” or “substantially” particularly applied to a position and / or an orientation of an organ are indicative notions that may be considered rigorously or in an approximate manner, or in other words that may indicate an approximation of the position and / or orientation of the organ to which these indicative notions apply.
  • At least the wing trim 6 accommodates a duct 7a, 7b or 8a, 8b for supplying an air stream FA flowing along the vehicle 1 when it is progressing. forward.
  • the conduit comprises two duct sections 7a, 7b or 8a, 8b between which is provided a ventilation device 9b, 10a.
  • an upstream duct 7a, 7b is at least formed by a wing trim 6 covering a front wheel well 3a.
  • a downstream duct 8a, 8b is formed by a wing trim 6 covering a rear wheel well 3b.
  • the terms downstream and upstream are identified along the direction SA of circulation of the airflow FA flowing successively through the ducts 7a, 7b or 8a, 8b.
  • the duct sections 7a, 7b or 8a, 8b of a given duct are longitudinally formed on either side of the wheel well 3a, 3b or in other words on either side of a vertical axis A1 wheel 2 identifying its axis of rotation A2.
  • the conduit sections 7a, 7b or 8a, 8b of a given duct extend in a substantially vertical plane near the lateral outlet 4 of the wheel well 3a, 3b.
  • the ventilation device 9b, 10a is longitudinally arranged in interposition between the duct sections 7a, 7b or 8a, 8b of a duct given in the direction SA of circulation of the air flow FA through the duct sections 7a, 7b or 8a, 8b.
  • the aeraulic device 9b, 10a provides a break in the continuity of the extension of the duct 7a, 7b or 8a, 8b.
  • the duct sections 7a, 7b or 8a, 8b of a given duct are thus arranged at a longitudinal distance D1 from one another and open onto the wheel passage 3a, 3b towards each other.
  • the pipe sections 7a, 7b or 8a, 8b of a given duct comprise at least one upstream pipe section 7a, 8a and at least one downstream pipe section 7b, 8b.
  • the duct sections 7a, 7b or 8a, 8b are in particular formed in the lower zone of the wing trim 6 or in other words in the area of the wing trim 6 closest to the taxiing plane PR of the vehicle 1.
  • the duct sections 7a, 7b or 8a, 8b extend substantially vertically from the base to a central zone of the wheel trims 6, which may be limited by the tread 11 of the wheel 2 considered in the zone. upper wheel 2 in the vertical direction DV.
  • An upstream outlet 9a of the upstream pipe section 7a is open towards the front of the vehicle 1 for the admission of the air flow FA inside the upstream pipe section 7a.
  • a downstream outlet 9b of the upstream duct section 7a opens on the wheel passage 3a or 3b for the evacuation of the air flow FA out of the upstream duct section 7a to the wheel well 3a, 3b.
  • An upstream outlet 10a of the downstream duct section 7b opens out onto the wheel well 3a or 3b while being arranged opposite the downstream outlet 9b of the upstream duct section 7a, for admission inside the downstream duct section 7b of the duct 7a.
  • An upstream outlet 10b of the downstream duct section 7b is open towards the rear of the vehicle 1 for evacuation of the air flow FA out of the downstream pipe section 7b.
  • the air flow device comprises the downstream outlet 9b of the upstream pipe section 7a and the upstream outlet 10a of the downstream pipe section 7b, which cooperate with each other by their opening towards the wheel well 3a, 3b and their facing. one on the other at longitudinal distance D1 from one another.
  • the air flow device 9b, 10a thus generates an air curtain R1 extending at least partly along the lateral outlet 4 of the wheel well 3a or 3b.
  • the air curtain R1 is formed by the flow of air FA flowing from the downstream outlet 9b of the upstream pipe section 7a and the upstream outlet 10a of the downstream pipe section 7b.
  • the duct sections 7a, 7b or 8a, 8b each delimit at least one channel 12 through which the air flow FA circulates.
  • the channel 12 is delimited between walls 13a, 13b, 14 of the duct 7a, 7b or 8a, 8b.
  • the channel 12 is delimited between a wall 14 of the wing 5 and a wall 13a of the hubcap 6.
  • the sections 7a, 7b or 8a, 8b are at least partly formed by the wall 14 of the wing 5 and the wall 13a of the trim 6.
  • the channel 12 is delimited between walls 13a, 13b of the hubcap 6, which is abutted against the wall 14 of the wing 5.
  • the pipe sections 7a, 7b or 8a, 8b and form a unitary assembly 13a, 13b can be docked against the wall 14 of the wing 5.
  • the channel 12 delimited by each of the pipe sections 7a, 7b or 8a, 8b houses fins 15 which are oriented substantially parallel to the rolling plane PR of the vehicle 1.
  • the fins 15 housed in the channel 12 of a given pipe section 7a, 7b or 8a, 8b are substantially parallel to each other and are oriented in their plane towards the other of the pipe sections 7a, 7b or 8a , 8b and more specifically to the fins 15 that it comprises.
  • the fins 15 extend along the channels 12 by being arranged in pairs vertically spaced D2 from each other or in other words being successively superimposed in the vertical direction DV d vehicle extension 1.
  • the fins 15 partition the channels 12 by delimiting successively two by two circuits 16 for passage of the airflow FA through the channels 12.
  • the fins 15 segment the flow of air FA into several fractions of airflow FA which flow through the circuits 16 along the pipe sections 7a, 7b or 8a, 8b.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Body Structure For Vehicles (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)

Abstract

Automotive vehicle provided with a body subassembly decreasing aerodynamic turbulence in a wheel arch. The subject of the invention is an automotive vehicle (1) provided with a lateral body subassembly forming a duct (7a, 7b; 8a, 8b) allowing an airflow to pass from the front to the rear of the vehicle (1). The body subassembly comprises at least one wing (5) covering a wheel arch (3a, 3b) opening laterally outwards in the direction of the exterior of the vehicle (1). The wing (5) is provided with a wing trim (6) contributing to the formation of the duct (7a, 7b; 8a, 8b). The duct includes at least two duct (7a, 7b; 8a, 8b) sections, each opening out onto the wheel arch (3a, 3b) at a longitudinal distance (D1) away from one another.

Description

Véhicule automobile pourvu d'un sous ensemble de carrosserie réduisant les turbulences aérodynamiques dans un passage de roue.  Motor vehicle with a subassembly of bodywork reducing aerodynamic turbulence in a wheel well.
La présente invention est du domaine de l'aménagement d'un sous- ensemble de carrosserie latéral d'un véhicule automobile organisé pour améliorer l'aérodynamisme du véhicule. Le sous-ensemble de carrosserie de l'invention relève de ceux comprenant au moins un enjoliveur d'aile participant à la formation, notamment dans l'environnement d'un passage de roue du véhicule, d'un conduit d'acheminement d'un flux d'air depuis l'avant vers l'arrière du véhicule. The present invention is in the field of the development of a sub-assembly of lateral bodywork of a motor vehicle organized to improve the aerodynamics of the vehicle. The body subassembly of the invention relates to those comprising at least one wing trim participating in the formation, in particular in the environment of a wheel arch of the vehicle, a conveying conduit of a airflow from the front to the rear of the vehicle.
La caisse d'un véhicule automobile constitue une ossature sur laquelle sont rapportés divers composants du véhicule. Parmi ces composants, il est à considérer les éléments ou les sous-ensembles de carrosserie formant un habillage latéral du véhicule. Plus spécifiquement, un tel sous-ensemble de carrosserie latéral peut être installé dans la zone de passage d'une roue du véhicule et comprendre au moins une aile et un enjoliveur d'aile. The body of a motor vehicle is a frame on which are reported various components of the vehicle. Among these components, it is to consider the body elements or subassemblies forming a side trim of the vehicle. More specifically, such a lateral body subassembly may be installed in the area of passage of a wheel of the vehicle and comprise at least one wing and a wing trim.
L'aile habille classiquement une zone latérale droite ou gauche d'extrémité longitudinale du véhicule, avant ou arrière, en étant fixée à la caisse en une pluralité de points d'attache. L'aile est accostée contre un bord de caisse arqué délimitant typiquement un passage de roue ménagé sous la caisse du véhicule et débouchant du côté latéral extérieur de la caisse du véhicule. L'aile comporte alors un dégagement ménageant un accès au passage de roue latéralement depuis l'extérieur du véhicule. The wing classically dresses a longitudinal right or left side end of the longitudinal end of the vehicle, front or rear, being fixed to the body at a plurality of attachment points. The wing is docked against an arched box edge typically defining a wheel arch formed under the vehicle body and opening on the outer lateral side of the vehicle body. The wing then has a clearance providing access to the wheel well laterally from outside the vehicle.
L'enjoliveur d'aile est globalement conformé en portion d'anneau et est fixé à la caisse et/ou à l'aile en une pluralité de points d'ancrage. L'enjoliveur d'aile habille le bord de l'aile délimitant son dégagement d'accès latéral au passage de roue, pour notamment masquer la zone d'accostage de l'aile contre le bord de caisse arqué et ainsi ne pas rompre la ligne esthétique du véhicule dans la zone du passage de roue. Il est dès à présent précisé les notions relatives communément admises pour décrire un ensemble de carrosserie d'un véhicule automobile. The wing trim is generally shaped ring portion and is fixed to the body and / or wing in a plurality of anchor points. The wing trim covers the edge of the wing delimiting its access clearance lateral to the wheel well, in particular to hide the landing area of the wing against the arched edge of the box and thus not break the line aesthetics of the vehicle in the wheel arch area. It is already specified the relative concepts commonly accepted to describe a bodywork of a motor vehicle.
-) les notions « avant » et « arrière » du véhicule sont des notions relatives définies suivant la direction d'avancement vers l'avant du véhicule identifiée selon la station du conducteur à bord du véhicule. Le conducteur en station de conduite du véhicule fait notamment face à la direction d'avancement vers l'avant du véhicule. -) The concepts "before" and "rear" of the vehicle are relative concepts defined in the direction of forward movement of the vehicle identified by the driver station on board the vehicle. The driver at the vehicle control station in particular faces the direction of advance towards the front of the vehicle.
-) la notion de « latéral » est identifiée par les côtés du véhicule répartis de part et d'autre d'un axe longitudinal transversalement médian du véhicule s'étendant entre l'avant et l'arrière du véhicule. Les notions "droite" et "gauche" sont des notions relatives considérées latéralement au regard d'une orientation vers l'avant du véhicule. -) the notion of "lateral" is identified by the sides of the vehicle distributed on either side of a transversely median longitudinal axis of the vehicle extending between the front and the rear of the vehicle. The concepts "right" and "left" are relative notions considered laterally with respect to a forward orientation of the vehicle.
-) la notion de verticalité est appréciée par rapport au plan de roulage du véhicule et identifie par exemple les notions relatives "inférieur" et "supérieur", ainsi que les notions "au-dessus" et "au-dessous" relatives aux positions entre deux organes. Suivant un axe vertical orienté perpendiculairement au plan de roulage du véhicule, les notions "supérieur" et "au-dessus" signifient "plus éloigné du plan de roulage du véhicule" que les notions "inférieur" et "au-dessous".  -) the notion of verticality is assessed in relation to the rolling plane of the vehicle and identifies, for example, the concepts of "lower" and "higher", as well as the notions "above" and "below" relating to the positions between two organs. According to a vertical axis oriented perpendicular to the rolling plane of the vehicle, the concepts "above" and "above" mean "more distant from the rolling plane of the vehicle" than the concepts "lower" and "below".
L'habillage du véhicule lui confère son aérodynamisme et son esthétique extérieure à laquelle la clientèle est particulièrement sensible. Une amélioration de l'aérodynamisme du véhicule permet de réduire sa consommation en énergie propulsive et donc son impact sur l'environnement auquel la clientèle est aussi sensible. La clientèle est aussi particulièrement sensible aux nuisances sonores pouvant être perçues depuis l'intérieur de l'habitacle du véhicule. The wrapping of the vehicle gives it its aerodynamics and exterior aesthetics to which the customer is particularly sensitive. An improvement in the aerodynamics of the vehicle reduces its propulsive energy consumption and therefore its impact on the environment to which the customer is equally sensitive. Customers are also particularly sensitive to the noise that can be perceived from inside the vehicle interior.
Dans ce contexte, il est connu d'aménager un sous-ensemble de carrosserie latérale d'un véhicule automobile pour améliorer son aérodynamisme, en ménageant un chemin de canalisation d'un flux d'air le long du sous-ensemble de carrosserie. Le flux d'air est notamment généré lors d'une progression du véhicule vers l'avant, l'air provenant de l'extérieur du véhicule. A cet effet, il est connu d'aménager au moins un conduit entre des éléments de carrosserie composant un sous-ensemble de carrosserie latéral du véhicule. Le conduit débouche vers l'avant du véhicule pour l'admission du flux d'air à l'intérieur du conduit et vers l'arrière du véhicule pour l'évacuation du flux d'air hors du conduit. In this context, it is known to develop a sub-assembly of the lateral body of a motor vehicle to improve its aerodynamics, by providing a channel path of a flow of air along the body subassembly. The air flow is generated during a progression of the vehicle forward, the air from outside the vehicle. For this purpose, it is known to arrange at least one duct between body elements constituting a sub-assembly of lateral bodywork of the vehicle. The duct opens towards the front of the vehicle for the admission of the air flow inside the duct and towards the rear of the vehicle for the evacuation of the air flow out of the duct.
Autrement dit, le flux d'air pénètre à l'intérieur du conduit à travers son débouché amont orienté vers l'avant du véhicule et est évacué hors du conduit à travers son débouché aval orienté vers l'arrière du véhicule. Les notions amont et aval sont des notions relatives considérées suivant le sens de circulation du flux d'air le long du véhicule. In other words, the air flow enters the interior of the conduit through its upstream outlet oriented towards the front of the vehicle and is discharged from the conduit through its downstream outlet oriented towards the rear of the vehicle. The concepts upstream and downstream are relative notions considered according to the direction of flow of the air flow along the vehicle.
Pour connaître un environnement technologique proche de la présente invention, on pourra par exemple se reporter aux documents US 2016/0075383 (BAYERISCHE MOTOREN WERKE AG), FR 2 897 833 (RENAULT SAS), GB 2502963 (JAGUAR LAND ROVER LTD) et JP2013071462 (TOYOTA MOTOR CORP). To know a technological environment similar to the present invention, reference may be made, for example, to US 2016/0075383 (BAYERISCHE MOTOREN WERKE AG), FR 2 897 833 (RENAULT SAS), GB 2502963 (JAGUAR LAND ROVER LTD) and JP2013071462 ( TOYOTA MOTOR CORP).
Plus particulièrement selon le document US 2016/0075383, un conduit est en partie ménagé entre une aile et un enjoliveur d'aile équipant un passage de roue avant. Le débouché amont du conduit débouche sur le passage de roue et le débouché aval du conduit débouche à travers un élément de carrosserie prolongeant longitudinalement l'enjoliveur d'aile vers l'arrière du véhicule, tel que l'aile et/ou une porte d'accès à l'habitacle du véhicule. More particularly according to the document US 2016/0075383, a conduit is partly formed between a wing and a hubcap fitted to a front wheel well. The upstream outlet of the conduit leads to the wheel well and the downstream outlet of the conduit opens through a bodywork element longitudinally extending the wing trim towards the rear of the vehicle, such as the wing and / or a door. access to the passenger compartment of the vehicle.
La présente invention a pour objet un véhicule automobile pourvu d'un sous-ensemble de carrosserie latéral ménageant un conduit de circulation d'un flux d'air depuis l'avant vers l'arrière du véhicule. Le sous ensemble de carrosserie comprend au moins un enjoliveur d'aile participant à la formation du conduit. Plus particulièrement, l'enjoliveur d'aile participe au moins à la formation d'un tronçon du conduit. Un but de l'invention est de proposer un agencement du conduit qui permet d'améliorer les performances aérodynamiques du véhicule et par suite qui permet de réduire sa consommation en énergie propulsive. L'énergie propulsive du véhicule est susceptible d'être produite par un moteur à combustion et/ou par un moteur électrique. The present invention relates to a motor vehicle provided with a sub-assembly of lateral bodywork providing a conduit for circulating an air flow from the front to the rear of the vehicle. The subassembly of bodywork comprises at least one wing trim participating in the formation of the conduit. More particularly, the wing trim at least participates in the formation of a section of the duct. An object of the invention is to provide an arrangement of the conduit which improves the aerodynamic performance of the vehicle and therefore reduces its propulsive energy consumption. The propulsive energy of the vehicle is likely to be produced by a combustion engine and / or an electric motor.
Un autre but de l'invention est de conférer au véhicule une ligne esthétique particulière pouvant séduire la clientèle pour l'achat du véhicule ou tout au moins propre à ne pas faire obstacle à un acte d'achat du véhicule malgré les performances aérodynamiques du véhicule obtenues. Another object of the invention is to give the vehicle a particular aesthetic line that can appeal to customers for the purchase of the vehicle or at least not to impede an act of purchase of the vehicle despite the aerodynamic performance of the vehicle obtained.
Un autre but de l'invention est de réduire les nuisances sonores pouvant être perçues par les passagers du véhicule installés dans l'habitacle. Un autre but de l'invention est d'atteindre l'un au moins des autres buts précédemment visés à partir d'un agencement du conduit qui permette son obtention à des coûts modérés ne faisant pas obstacle à la compétitivité du véhicule dans le contexte du marché sévèrement concurrentiel des véhicules automobiles. Le véhicule automobile de la présente invention est pourvu d'un sous- ensemble de carrosserie latéral ménageant un conduit de circulation d'un flux d'air depuis l'avant vers l'arrière du véhicule. Le sous-ensemble de carrosserie comprend au moins une aile habillant un passage de roue débouchant latéralement vers l'extérieur du véhicule. L'aile est munie d'un enjoliveur d'aile participant à la formation du conduit. Another object of the invention is to reduce the noise that can be perceived by the passengers of the vehicle installed in the passenger compartment. Another object of the invention is to achieve at least one of the other aims previously referred to from a layout of the conduit that allows its obtaining at moderate costs that do not impede the competitiveness of the vehicle in the context of severely competitive motor vehicle market. The motor vehicle of the present invention is provided with a lateral body subassembly providing a duct for circulating a flow of air from the front to the rear of the vehicle. The body subassembly comprises at least one wing fitting a wheel arch opening laterally towards the outside of the vehicle. The wing is equipped with a wing trim participating in the formation of the duct.
Selon l'invention, le véhicule automobile est principalement reconnaissable en ce que le conduit comporte au moins deux tronçons de conduit débouchant chacun sur le passage de roue à distance longitudinale l'un de l'autre. According to the invention, the motor vehicle is mainly recognizable in that the conduit comprises at least two duct sections each opening to the wheel well at a longitudinal distance from one another.
Autrement dit, la continuité du conduit est rompue dans la zone du passage de roue en ménageant deux tronçons de conduit qui débouchent chacun sur le passage de roue à distance longitudinale l'un de l'autre. Le débouché aval d'un tronçon de conduit amont débouche sur le passage de roue en étant disposé en regard et à distance longitudinale du débouché amont d'un tronçon de conduit aval qui débouche sur le passage de roue. In other words, the continuity of the duct is broken in the zone of the wheel arch by leaving two sections of duct which open each on the wheel well at a longitudinal distance from each other. The downstream outlet of an upstream duct section opens onto the wheel well being arranged opposite and at a longitudinal distance from the upstream outlet of a downstream duct section which opens out onto the wheel well.
Il est ainsi évité lors de la progression du véhicule des turbulences générées habituellement par le flux d'air s'écoulant le long des passages de roue. Selon l'invention, l'obtention d'un écoulement laminaire du flux d'air le long du passage de roue est optimisée et la traînée du véhicule en est réduite. L'aérodynamisme du véhicule est amélioré et les nuisances sonores habituellement générées par de telles turbulences sont évitées. It is thus avoided during the progression of the vehicle turbulence usually generated by the flow of air flowing along the wheel arches. According to the invention, obtaining a laminar flow of air flow along the wheel well is optimized and drag of the vehicle is reduced. The aerodynamics of the vehicle is improved and the noise nuisance usually generated by such turbulence is avoided.
En outre, la formation des tronçons de conduit peut être mise à profit pour améliorer l'esthétique du véhicule dans la zone du passage de roue, notamment à partir d'une configuration symétrique de part et d'autre de l'axe vertical de la roue des parties des tronçons de conduit délimitées au moins en partie par une paroi de l'enjoliveur orientée vers l'extérieur du véhicule. In addition, the formation of the duct sections can be used to improve the aesthetics of the vehicle in the wheel well area, especially from a symmetrical configuration on either side of the vertical axis of the wheel of the portions of the duct sections delimited at least in part by a wall of the hubcap facing the outside of the vehicle.
Autrement dit, l'enjoliveur peut être symétriquement conformé de part et d'autre de l'axe vertical de la roue en aménageant au moins une paroi de l'enjoliveur orientée vers l'extérieur du véhicule pour former les tronçons de conduit tout en conférant une esthétique particulière harmonieuse à l'enjoliveur. Un tel aménagement peut être réalisé à moindres coûts tout en procurant les résultats permettant de parvenir aux buts visés par l'invention. In other words, the hubcap may be symmetrically shaped on either side of the vertical axis of the wheel by arranging at least one wall of the hubcap facing the outside of the vehicle to form the pipe sections while conferring a particular aesthetic harmonious to the hubcap. Such an arrangement can be achieved at lower costs while providing the results to achieve the aims of the invention.
Une forme remarquable de l'invention est la formation entre les tronçons de conduit d'un dispositif aéraulique générateur d'un rideau d'air le long du débouché latéral du passage de roue vers l'extérieur du véhicule. Plus spécifiquement selon cette forme remarquable de réalisation de l'invention, les débouchés des tronçons de conduit sur le passage de roue ménagent conjointement un dispositif aéraulique du conduit apte à former un rideau d'air au moins en partie le long du débouché latéral du passage de roue. L'air issu du rideau d'air est notamment fourni par le flux d'air circulant à travers le conduit lors de la progression du véhicule. Le dispositif aéraulique est générateur d'une circulation du flux d'air en provenance du tronçon de conduit amont le long du passage de roue, puis d'un entraînement du flux d'air vers le débouché amont du tronçon de conduit aval. Un passage d'air est ainsi généré le long du débouché latéral du passage de roue vers l'extérieur du véhicule, un tel passage d'air formant un rideau d'air s'étendant notamment devant la roue logée dans le passage de roue. A remarkable form of the invention is the formation between the duct sections of an air flow generating device of an air curtain along the lateral outlet of the wheel well to the outside of the vehicle. More specifically, according to this remarkable embodiment of the invention, the outlets of the duct sections on the wheel passage together form a ventilation device of the duct capable of forming a curtain. of air at least partly along the lateral outlet of the wheel arch. The air coming from the air curtain is notably provided by the flow of air flowing through the duct during the progression of the vehicle. The air flow device generates a flow of air flow from the upstream pipe section along the wheel well, and then a drive of the air flow to the upstream outlet of the downstream pipe section. An air passage is thus generated along the lateral outlet of the wheel well to the outside of the vehicle, such an air passage forming an air curtain extending in particular in front of the wheel housed in the wheel well.
Les tronçons de conduit débouchent notamment dans une zone du passage de roue bordée par son débouché latéral vers l'extérieur du véhicule. Les débouchés des tronçons de conduit sont notamment orientés suivant un plan sensiblement vertical défini par l'extension sensiblement verticale du débouché latéral du passage de roue vers l'extérieur du véhicule. The duct sections open in particular in an area of the wheel arch lined by its side outlet to the outside of the vehicle. The outlets of the pipe sections are in particular oriented in a substantially vertical plane defined by the substantially vertical extension of the lateral outlet of the wheel well to the outside of the vehicle.
De préférence, les débouchés des tronçons de conduit s'étendent verticalement depuis la base de l'enjoliveur d'aile ou en d'autres termes depuis une zone de l'enjoliveur d'aile la plus proche du plan de roulage du véhicule. Les débouchés des tronçons de conduit s'étendent verticalement vers une limite définie par la bande de roulement de la roue. La surface du rideau d'air est ainsi optimisée pour s'étendre au mieux le long d'un demi-volume de la roue s'étendant entre son axe de rotation et sa bande de roulement. Preferably, the outlets of the pipe sections extend vertically from the base of the wing trim or in other words from an area of the wing trim closest to the rolling plane of the vehicle. The outlets of the pipe sections extend vertically towards a limit defined by the tread of the wheel. The surface of the air curtain is thus optimized to extend at best along a half-volume of the wheel extending between its axis of rotation and its tread.
Selon une forme plus spécifique de réalisation, les tronçons de conduit comprennent notamment au moins un canal délimité par au moins une paroi de l'enjoliveur d'aile. De préférence pour optimiser l'efficacité du dispositif aéraulique, le canal de l'un au moins des tronçons de conduit est ménagé à l'intérieur de l'enjoliveur d'aile. En d'autres termes, le canal est ménagé entre au moins deux parois de l'enjoliveur d'aile orientées pour l'une vers le passage de roue et pour l'autre vers l'extérieur du véhicule. According to a more specific embodiment, the conduit sections comprise in particular at least one channel delimited by at least one wall of the wing trim. Preferably to optimize the efficiency of the air flow device, the channel of at least one of the pipe sections is formed inside the wing trim. In other words, the channel is formed between at least two walls of the hubcap oriented for one towards the wheel well and the other towards the outside of the vehicle.
Selon une variante, le canal de l'un au moins des tronçons de conduit est ménagé entre une paroi de l'enjoliveur d'aile et une paroi de l'aile. Plus particulièrement dans ce cas, la paroi de l'enjoliveur d'aile est notamment orientée vers l'extérieur du véhicule en recouvrement de la paroi de l'aile dans sa zone recevant l'enjoliveur d'aile. Selon divers aménagements potentiels de l'esthétique souhaitée de l'enjoliveur de roue, le canal de l'un au moins des tronçons de conduit peut être ménagé à l'intérieur de l'enjoliveur d'aile et le canal de l'un au moins des tronçons de conduit peut être ménagé entre la paroi de l'enjoliveur et la paroi de l'aile. Selon une forme de réalisation, le canal de l'un au moins des tronçons de conduit loge au moins en partie des ailettes orientées vers l'autre tronçon de conduit. Les ailettes ménagent entre elles deux à deux des circuits de passage du flux d'air à travers le canal. Les ailettes sont notamment de conformation plane et orientées parallèlement entre elles en délimitant entre elles des circuits de passage d'air sensiblement de mêmes volumes. Les ailettes s'étendent de préférence au moins en partie à l'intérieur du canal en étant notamment plus ou moins orientées parallèlement au plan de roulage du véhicule. According to a variant, the channel of at least one of the duct sections is formed between a wall of the wing trim and a wall of the wing. More particularly in this case, the wall of the wing trim is particularly oriented towards the outside of the vehicle overlay of the wall of the wing in its area receiving the wing trim. According to various potential arrangements of the desired aesthetic of the wheel cover, the channel of at least one of the pipe sections can be arranged inside the wing trim and the channel of the one to less sections of duct may be formed between the wall of the hubcap and the wall of the wing. According to one embodiment, the channel of at least one of the duct sections at least partially houses fins oriented towards the other duct section. The fins form between them two by two circuits for passage of air flow through the channel. The fins are in particular planar conformation and oriented parallel to each other by delimiting between them air passage circuits of substantially the same volumes. The fins preferably extend at least partly inside the channel being in particular more or less oriented parallel to the rolling plane of the vehicle.
De préférence encore, les ailettes s'étendent dans leur plan sensiblement parallèlement au plan de roulage. Selon une variante, les ailettes peuvent s'étendre dans leur plan transversalement au plan de roulage. Selon une forme de réalisation, les ailettes sont ménagées par des grilles équipant les débouchés du canal de l'un au moins des tronçons de conduit. Selon une variante, les ailettes sont formées par des parois de cloisonnement du canal. Selon une forme de réalisation, l'un au moins des tronçons de conduit comprend une conduite de prolongement du canal qui est ménagée par au moins un élément de carrosserie du sous-ensemble de carrosserie comprenant au moins l'aile. More preferably, the fins extend in their plane substantially parallel to the rolling plane. According to one variant, the fins may extend in their plane transversely to the rolling plane. According to one embodiment, the fins are formed by grids equipping the outlets of the channel of at least one of the pipe sections. According to one variant, the fins are formed by partition walls of the channel. According to one embodiment, at least one of the duct sections comprises a channel extension duct which is formed by at least one bodywork element of the body subassembly comprising at least the wing.
En d'autres termes, l'un au moins des tronçons de conduit comprend une conduite apte à être disposée en prolongement du canal au moins en station du véhicule autorisant sa progression. Dans le cas où l'élément de carrosserie est monté fixe sur le véhicule, la conduite s'étend au moins en partie le long de l'élément de carrosserie en étant disposée en permanence en prolongement du canal. Dans le cas où l'élément de carrosserie est monté mobile sur le véhicule, tel que par exemple une porte d'accès à l'habitacle du véhicule, la conduite est disposée en prolongement du canal lorsque l'élément de carrosserie est placé en une position autorisant la progression du véhicule. In other words, at least one of the duct sections comprises a pipe adapted to be arranged in extension of the channel at least in the vehicle station allowing its progression. In the case where the bodywork element is fixedly mounted on the vehicle, the pipe extends at least partly along the bodywork element being disposed permanently in extension of the channel. In the case where the bodywork element is mounted to move on the vehicle, such as for example an access door to the passenger compartment of the vehicle, the pipe is arranged in extension of the channel when the bodywork element is placed in a position. position allowing the progression of the vehicle.
Ainsi selon une forme de réalisation, l'élément de carrosserie ménageant la conduite comprend au moins une porte d'accès à l'habitacle du véhicule. La conduite prolonge alors le canal en une station du véhicule autorisant sa progression, notamment en position de fermeture de la porte. Thus according to one embodiment, the bodywork element providing the conduit comprises at least one access door to the passenger compartment of the vehicle. The pipe then extends the channel into a station of the vehicle allowing its progression, especially in the closed position of the door.
Plus particulièrement en ce qui concerne un passage de roue avant, la conduite est susceptible d'être ménagée le long de la partie amont de l'aile avant et/ou au moins en partie le long d'au moins une porte. La conduite peut déboucher vers l'avant du véhicule à travers le parechoc avant. En ce qui concerne un passage de roue arrière, la conduite est susceptible d'être ménagée le long de la partie aval de l'aile et/ou peut déboucher à travers le parechoc arrière. More particularly with regard to a front wheel arch, the pipe may be arranged along the upstream part of the front wing and / or at least partly along at least one door. Driving may lead to the front of the vehicle through the front bumper. With respect to a rear wheel arch, the pipe may be provided along the downstream portion of the wing and / or may open through the rear bumper.
Des exemples de réalisation de la présente invention vont être décrits en relation avec les figures des planches annexées, dans lesquelles : Exemplary embodiments of the present invention will be described in connection with the figures of the attached plates, in which:
-) la figure 1 est une illustration en perspective essentiellement latérale d'un véhicule automobile, illustrant le contexte de l'invention. -) la figure 2 est une illustration en vue latérale d'un exemple de réalisation d'un dispositif aéraulique conforme à l'invention appliquée à un passage de roue avant d'un véhicule automobile. -) Figure 1 is an essentially side perspective illustration of a motor vehicle, illustrating the context of the invention. -) Figure 2 is an illustration in side view of an embodiment of a ventilation device according to the invention applied to a front wheel well of a motor vehicle.
-) la figure 3 est une illustration en perspective essentiellement latérale d'un exemple de réalisation d'un dispositif aéraulique conforme à l'invention appliquée à un passage de roue arrière d'un véhicule automobile.  - Figure 3 is an essentially lateral perspective illustration of an embodiment of a ventilation device according to the invention applied to a rear wheel arch of a motor vehicle.
-) la figure 4 est un détail de la figure 3 illustrant une forme particulièrement de réalisation de l'invention.  - Figure 4 is a detail of Figure 3 illustrating a particular embodiment of the invention.
-) la figure 5 est une illustration schématique en coupe verticale d'un exemple de réalisation d'un tronçon de conduit participant d'un dispositif aéraulique conforme à l'invention.  -) Figure 5 is a schematic illustration in vertical section of an embodiment of a duct section participating in a ventilation device according to the invention.
-) la figure 6 est une illustration schématique en coupe verticale d'un autre exemple de réalisation d'un tronçon de conduit participant d'un dispositif aéraulique conforme à l'invention.  -) Figure 6 is a schematic illustration in vertical section of another embodiment of a duct portion participating in a ventilation device according to the invention.
Les figures et leur description exposent l'invention de manière détaillée et selon des modalités particulières de sa mise en œuvre. Elles peuvent bien entendu servir à mieux définir l'invention, tant dans ses particularités que dans sa généralité, notamment en relation avec la description générale de l'invention qui vient d'être faite. The figures and their description set forth the invention in detail and according to particular methods of its implementation. They can of course be used to better define the invention, both in its particularities and in its generality, particularly in relation to the general description of the invention that has just been made.
Par ailleurs pour clarifier et rendre aisée la lecture de la description détaillée qui va être faite de l'invention, les organes représentés sur les différentes figures sont respectivement identifiés dans la description des figures avec les mêmes numéros et/ou lettres de référence, sans impliquer leur représentation et/ou leur référencement sur chacune des figures. Moreover, to clarify and make easy the reading of the detailed description which will be made of the invention, the bodies shown in the different figures are respectively identified in the description of the figures with the same numbers and / or letters of reference, without involving their representation and / or their referencing on each of the figures.
Sur la figure 1 un véhicule automobile 1 est représenté en station de progression, notamment suivant un sens de progression SP orienté vers l'avant du véhicule 1 . Le véhicule 1 s'étend dans un repère orthonormé suivant : In FIG. 1, a motor vehicle 1 is represented as a progression station, in particular in a direction of progression SP oriented towards the front of the vehicle 1. The vehicle 1 extends in a following orthonormal frame:
-) une direction longitudinale DL1 entre l'avant AV et l'arrière AR du véhicule 1 , -) une direction verticale DV par rapport au plan de roulage PR du véhicule 1 , ou en d'autres termes par rapport au plan de repos du véhicule 1 au sol via les roues 2 dont il est équipé, et -) a longitudinal direction DL1 between the front AV and rear rear of the vehicle 1, a vertical direction DV with respect to the taxiing plane PR of the vehicle 1, or in other words with respect to the rest plane of the vehicle 1 on the ground via the wheels 2 with which it is equipped, and
-) une direction latérale DL2 perpendiculaire à la direction longitudinale DL1 et à la direction verticale DV d'extension du véhicule 1 .  -) a lateral direction DL2 perpendicular to the longitudinal direction DL1 and to the vertical direction DV of extension of the vehicle 1.
Sur les figure 1 à figure 4, Le véhicule 1 comporte des passages de roue 3a, 3b logeant les roues 2 du véhicule 1 , dont des passages de roue avant 3a droite et gauche et des passages de roue arrière 3b droite et gauche. Les passages de roue 3a, 3b délimitent chacun un dégagement latéral 4 de conformation arqué pour autoriser un accès à la roue 2 qu'ils logent depuis l'extérieur du véhicule 1 . In FIG. 1 to FIG. 4, the vehicle 1 has wheel passages 3a, 3b housing the wheels 2 of the vehicle 1, including right and left front wheel arches 3a and right and left rear wheel arches 3b. The wheel arches 3a, 3b each delimit a lateral recess 4 of arcuate conformation to allow access to the wheel 2 which they house from outside the vehicle 1.
Le véhicule 1 comprend des sous-ensembles de carrosserie pour rhabillage au moins des passages de roue 3a, 3b. Les sous-ensembles de carrosserie comprennent chacun une aile 5 et un enjoliveur d'aile 6 pour masquer la zone d'accostage entre l'aile 5 et le châssis du véhicule 1 . L'enjoliveur d'aile 6 est de conformation arquée pour suivre la ligne esthétique du débouché latéral 4 du passage de roue 3a, 3b. L'aile 5 et l'enjoliveur d'aile 6 s'étendent essentiellement dans un plan longitudinal d'extension du véhicule 1 . Les notions "essentiellement" ou "sensiblement" notamment appliquées à une position et/ou à une orientation d'un organe sont des notions indicatives qui peuvent être considérées rigoureusement ou de manière approchée, ou en d'autres termes qui peuvent indiquer une approximation de la position et/ou de l'orientation de l'organe auxquelles ces notions indicatives s'appliquent. The vehicle 1 comprises body sub-assemblies for restoring at least wheel wells 3a, 3b. The body subassemblies each comprise a wing 5 and a wing trim 6 to hide the docking area between the wing 5 and the chassis of the vehicle 1. The wing trim 6 is of arcuate conformation to follow the aesthetic line of the lateral outlet 4 of the wheel arch 3a, 3b. The wing 5 and the wing trim 6 extend essentially in a longitudinal extension plane of the vehicle 1. The concepts "substantially" or "substantially" particularly applied to a position and / or an orientation of an organ are indicative notions that may be considered rigorously or in an approximate manner, or in other words that may indicate an approximation of the position and / or orientation of the organ to which these indicative notions apply.
Sur les figure 2 à figure 4, au moins l'enjoliveur d'aile 6 ménage un conduit 7a, 7b ou 8a, 8b d'adduction d'un flux d'air FA circulant le long du véhicule 1 lorsqu'il est en progression vers l'avant. Le conduit comprend deux tronçons de conduit 7a, 7b ou 8a, 8b entre lesquels est ménagé un dispositif aéraulique 9b, 10a. Plus particulièrement, un conduit amont 7a, 7b est au moins ménagé par un enjoliveur d'aile 6 habillant un passage de roue 3a avant. Un conduit aval 8a, 8b est ménagé par un enjoliveur d'aile 6 habillant un passage de roue 3b arrière. Les notions aval et amont sont identifiées suivant le sens SA de circulation du flux d'air FA s'écoulant successivement travers les conduits 7a, 7b ou 8a, 8b. In FIG. 2 to FIG. 4, at least the wing trim 6 accommodates a duct 7a, 7b or 8a, 8b for supplying an air stream FA flowing along the vehicle 1 when it is progressing. forward. The conduit comprises two duct sections 7a, 7b or 8a, 8b between which is provided a ventilation device 9b, 10a. More particularly, an upstream duct 7a, 7b is at least formed by a wing trim 6 covering a front wheel well 3a. A downstream duct 8a, 8b is formed by a wing trim 6 covering a rear wheel well 3b. The terms downstream and upstream are identified along the direction SA of circulation of the airflow FA flowing successively through the ducts 7a, 7b or 8a, 8b.
Les tronçons de conduit 7a, 7b ou 8a, 8b d'un conduit donné sont longitudinalement ménagés de part et d'autre du passage de roue 3a, 3b ou en d'autres termes de part et d'autre d'un axe vertical A1 de la roue 2 identifiant son axe de rotation A2. Les tronçons de conduit 7a, 7b ou 8a, 8b d'un conduit donné s'étendent dans un plan sensiblement vertical à proximité du débouché latéral 4 du passage de roue 3a, 3b. The duct sections 7a, 7b or 8a, 8b of a given duct are longitudinally formed on either side of the wheel well 3a, 3b or in other words on either side of a vertical axis A1 wheel 2 identifying its axis of rotation A2. The conduit sections 7a, 7b or 8a, 8b of a given duct extend in a substantially vertical plane near the lateral outlet 4 of the wheel well 3a, 3b.
Le dispositif aéraulique 9b, 10a est longitudinalement ménagé en interposition entre les tronçons de conduit 7a, 7b ou 8a, 8b d'un conduit donné suivant le sens SA de circulation du flux d'air FA à travers les tronçons de conduit 7a, 7b ou 8a, 8b. Le dispositif aéraulique 9b, 10a ménage une rupture dans la continuité de l'extension du conduit 7a, 7b ou 8a, 8b. Les tronçons de conduit 7a, 7b ou 8a, 8b d'un conduit donné sont ainsi disposés à distance longitudinale D1 l'un de l'autre et débouchent sur le passage de roue 3a, 3b l'un en direction de l'autre. The ventilation device 9b, 10a is longitudinally arranged in interposition between the duct sections 7a, 7b or 8a, 8b of a duct given in the direction SA of circulation of the air flow FA through the duct sections 7a, 7b or 8a, 8b. The aeraulic device 9b, 10a provides a break in the continuity of the extension of the duct 7a, 7b or 8a, 8b. The duct sections 7a, 7b or 8a, 8b of a given duct are thus arranged at a longitudinal distance D1 from one another and open onto the wheel passage 3a, 3b towards each other.
Plus particulièrement, les tronçons de conduit 7a, 7b ou 8a, 8b d'un conduit donné comprennent au moins un tronçon de conduit amont 7a, 8a et au moins un tronçon de conduit aval 7b, 8b. More particularly, the pipe sections 7a, 7b or 8a, 8b of a given duct comprise at least one upstream pipe section 7a, 8a and at least one downstream pipe section 7b, 8b.
Les tronçons de conduit 7a, 7b ou 8a, 8b sont notamment ménagés en zone inférieure de l'enjoliveur d'aile 6 ou en d'autres termes dans la zone de l'enjoliveur d'aile 6 la plus proche du plan de roulage PR du véhicule 1 . Les tronçons de conduit 7a, 7b ou 8a, 8b s'étendent sensiblement verticalement depuis la base vers une zone médiane des enjoliveurs d'aile 6, pouvant à titre indicatif être limitée par la bande de roulement 1 1 de la roue 2 considérée en zone supérieure de la roue 2 suivant la direction verticale DV. Un débouché amont 9a du tronçon de conduit amont 7a est ouvert vers l'avant du véhicule 1 pour l'admission du flux d'air FA à l'intérieur du tronçon de conduit amont 7a. Un débouché aval 9b du tronçon de conduit amont 7a débouche sur le passage de roue 3a ou 3b pour l'évacuation du flux d'air FA hors du tronçon de conduit amont 7a vers le passage de roue 3a, 3b. The duct sections 7a, 7b or 8a, 8b are in particular formed in the lower zone of the wing trim 6 or in other words in the area of the wing trim 6 closest to the taxiing plane PR of the vehicle 1. The duct sections 7a, 7b or 8a, 8b extend substantially vertically from the base to a central zone of the wheel trims 6, which may be limited by the tread 11 of the wheel 2 considered in the zone. upper wheel 2 in the vertical direction DV. An upstream outlet 9a of the upstream pipe section 7a is open towards the front of the vehicle 1 for the admission of the air flow FA inside the upstream pipe section 7a. A downstream outlet 9b of the upstream duct section 7a opens on the wheel passage 3a or 3b for the evacuation of the air flow FA out of the upstream duct section 7a to the wheel well 3a, 3b.
Un débouché amont 10a du tronçon de conduit aval 7b débouche sur le passage de roue 3a ou 3b en étant disposé en regard du débouché aval 9b du tronçon de conduit amont 7a, pour l'admission à l'intérieur du tronçon de conduit aval 7b du flux d'air FA provenant du tronçon de conduit amont 7a. Un débouché amont 10b du tronçon de conduit aval 7b est ouvert vers l'arrière du véhicule 1 pour l'évacuation du flux d'air FA hors du tronçon de conduit aval 7b. Le dispositif aéraulique comprend le débouché aval 9b du tronçon de conduit amont 7a et le débouché amont 10a du tronçon de conduit aval 7b, qui coopèrent entre eux de par leur ouverture vers le passage de roue 3a, 3b et de leur mise en regard l'un sur l'autre à distance longitudinale D1 l'un de l'autre. Le dispositif aéraulique 9b, 10a est ainsi générateur d'un rideau d'air R1 s'étendant au moins en partie le long du débouché latéral 4 du passage de roue 3a ou 3b. Le rideau d'air R1 est formé par le flux d'air FA circulant depuis le débouché aval 9b du tronçon de conduit amont 7a et le débouché amont 10a du tronçon de conduit aval 7b. An upstream outlet 10a of the downstream duct section 7b opens out onto the wheel well 3a or 3b while being arranged opposite the downstream outlet 9b of the upstream duct section 7a, for admission inside the downstream duct section 7b of the duct 7a. FA airflow from the upstream pipe section 7a. An upstream outlet 10b of the downstream duct section 7b is open towards the rear of the vehicle 1 for evacuation of the air flow FA out of the downstream pipe section 7b. The air flow device comprises the downstream outlet 9b of the upstream pipe section 7a and the upstream outlet 10a of the downstream pipe section 7b, which cooperate with each other by their opening towards the wheel well 3a, 3b and their facing. one on the other at longitudinal distance D1 from one another. The air flow device 9b, 10a thus generates an air curtain R1 extending at least partly along the lateral outlet 4 of the wheel well 3a or 3b. The air curtain R1 is formed by the flow of air FA flowing from the downstream outlet 9b of the upstream pipe section 7a and the upstream outlet 10a of the downstream pipe section 7b.
Sur les figure 4 à figure 6 plus particulièrement, les tronçons de conduit 7a, 7b ou 8a, 8b délimitent chacun au moins un canal 12 à travers lequel circule le flux d'air FA. Le canal 12 est délimité entre des parois 13a, 13b, 14 du conduit 7a, 7b ou 8a, 8b. In FIG. 4 to FIG. 6 more particularly, the duct sections 7a, 7b or 8a, 8b each delimit at least one channel 12 through which the air flow FA circulates. The channel 12 is delimited between walls 13a, 13b, 14 of the duct 7a, 7b or 8a, 8b.
Selon l'exemple de réalisation représenté sur la figure 5, le canal 12 est délimité entre une paroi 14 de l'aile 5 et une paroi 13a de l'enjoliveur 6. Les tronçons de conduit 7a, 7b ou 8a, 8b sont au moins en partie formés par la paroi 14 de l'aile 5 et par la paroi 13a de l'enjoliveur 6. According to the exemplary embodiment shown in FIG. 5, the channel 12 is delimited between a wall 14 of the wing 5 and a wall 13a of the hubcap 6. The sections 7a, 7b or 8a, 8b are at least partly formed by the wall 14 of the wing 5 and the wall 13a of the trim 6.
Selon l'exemple de réalisation représenté sur la figure 6, le canal 12 est délimité entre des parois 13a, 13b de l'enjoliveur 6, qui est accosté contre la paroi 14 de l'aile 5. Les tronçons de conduit 7a, 7b ou 8a, 8b forment ainsi un ensemble unitaire 13a, 13b pouvant être accosté contre la paroi 14 de l'aile 5. According to the exemplary embodiment shown in FIG. 6, the channel 12 is delimited between walls 13a, 13b of the hubcap 6, which is abutted against the wall 14 of the wing 5. The pipe sections 7a, 7b or 8a, 8b and form a unitary assembly 13a, 13b can be docked against the wall 14 of the wing 5.
Sur la figure 4, le canal 12 délimité par chacun des tronçons de conduit 7a, 7b ou 8a, 8b loge des ailettes 15 qui sont orientées sensiblement parallèlement au plan de roulage PR du véhicule 1 . Les ailettes 15 logées dans le canal 12 d'un tronçon de conduit 7a, 7b ou 8a, 8b donné sont sensiblement parallèles les unes par rapport aux autres et sont orientés dans leur plan vers l'autre des tronçons de conduit 7a, 7b ou 8a, 8b et plus spécifiquement vers les ailettes 15 qu'il comporte. In FIG. 4, the channel 12 delimited by each of the pipe sections 7a, 7b or 8a, 8b houses fins 15 which are oriented substantially parallel to the rolling plane PR of the vehicle 1. The fins 15 housed in the channel 12 of a given pipe section 7a, 7b or 8a, 8b are substantially parallel to each other and are oriented in their plane towards the other of the pipe sections 7a, 7b or 8a , 8b and more specifically to the fins 15 that it comprises.
Sur l'exemple illustré, les ailettes 15 s'étendent le long des canaux 12 en étant disposées deux à deux à distance verticale D2 l'une de l'autre ou en d'autres termes en étant successivement superposées suivant la direction verticale DV d'extension du véhicule 1 . Les ailettes 15 cloisonnent les canaux 12 en délimitant successivement deux à deux des circuits 16 de passage du flux d'air FA à travers les canaux 12. Les ailettes 15 segmentent le flux d'air FA en plusieurs fractions de flux d'air FA qui s'écoulent à travers les circuits 16 le long des tronçons de conduit 7a, 7b ou 8a, 8b. In the example shown, the fins 15 extend along the channels 12 by being arranged in pairs vertically spaced D2 from each other or in other words being successively superimposed in the vertical direction DV d vehicle extension 1. The fins 15 partition the channels 12 by delimiting successively two by two circuits 16 for passage of the airflow FA through the channels 12. The fins 15 segment the flow of air FA into several fractions of airflow FA which flow through the circuits 16 along the pipe sections 7a, 7b or 8a, 8b.

Claims

REVENDICATIONS
1 . - Véhicule (1 ) automobile pourvu d'un sous-ensemble de carrosserie latéral ménageant un conduit (7a, 7b ; 8a, 8b) de circulation d'un flux d'air (FA) depuis l'avant vers l'arrière du véhicule (1 ), le sous-ensemble de carrosserie comprenant au moins une aile (5) habillant un passage de roue (3a, 3b) débouchant latéralement vers l'extérieur du véhicule (1 ), l'aile (5) étant munie d'un enjoliveur d'aile (6) participant à la formation du conduit (7a, 7b ; 8a, 8b), caractérisé en ce que le conduit comporte au moins deux tronçons de conduit (7a, 7b ; 8a, 8b) débouchant chacun sur le passage de roue (3a, 3b) à distance longitudinale (D1 ) l'un de l'autre. 1. - Automobile vehicle (1) having a lateral body subassembly providing a duct (7a, 7b; 8a, 8b) for circulating a flow of air (FA) from the front to the rear of the vehicle (1), the body subassembly comprising at least one wing (5) covering a wheel well (3a, 3b) opening laterally towards the outside of the vehicle (1), the wing (5) being provided with a wing trim (6) participating in the formation of the duct (7a, 7b; 8a, 8b), characterized in that the duct comprises at least two duct sections (7a, 7b; 8a, 8b) each opening on the wheel arch (3a, 3b) at longitudinal distance (D1) from each other.
2. - Véhicule (1 ) automobile selon la revendication 1 , caractérisé en ce que les débouchés (9b, 10a) des tronçons de conduit (7a, 7b ; 8a, 8b) sur le passage de roue (3a, 3b) ménagent conjointement un dispositif aéraulique (9b, 10a) du conduit (7a, 7b ; 8a, 8b) apte à former un rideau d'air (R1 ) au moins en partie le long du débouché latéral (4) du passage de roue (3a, 3b). 2. - Vehicle (1) automobile according to claim 1, characterized in that the outlets (9b, 10a) of the pipe sections (7a, 7b; 8a, 8b) on the wheel well (3a, 3b) jointly arrange a aeraulic device (9b, 10a) of the duct (7a, 7b; 8a, 8b) capable of forming an air curtain (R1) at least partly along the lateral opening (4) of the wheel well (3a, 3b) .
3. - Véhicule (1 ) automobile selon l'une quelconque des revendications précédentes, caractérisé en ce que les tronçons de conduit (7a, 7b ; 8a, 8b) comprennent au moins un canal (12) délimité par au moins une paroi (13a, 13b) de l'enjoliveur d'aile (6). 3. - Vehicle (1) automobile according to any one of the preceding claims, characterized in that the pipe sections (7a, 7b; 8a, 8b) comprise at least one channel (12) delimited by at least one wall (13a). 13b) of the wing trim (6).
4. - Véhicule (1 ) automobile selon la revendication 3, caractérisé en ce que le canal (12) de l'un au moins des tronçons de conduit (7a, 7b ; 8a, 8b) est ménagé à l'intérieur de l'enjoliveur d'aile (6). 4. - Vehicle (1) automobile according to claim 3, characterized in that the channel (12) of at least one of the pipe sections (7a, 7b; 8a, 8b) is formed inside the wing trim (6).
5. - Véhicule (1 ) automobile selon l'une quelconque des revendications 3 et 4, caractérisé en ce que le canal (12) de l'un au moins des tronçons de conduit (7a, 7b ; 8a, 8b) est ménagé entre une paroi (13a) de l'enjoliveur d'aile (6) et une paroi (14) de l'aile (5). 5. - Vehicle (1) automobile according to any one of claims 3 and 4, characterized in that the channel (12) of at least one of the pipe sections (7a, 7b; 8a, 8b) is formed between a wall (13a) of the wing trim (6) and a wall (14) of the wing (5).
6. - Véhicule (1 ) automobile selon l'une quelconque des revendications 3 à 5, caractérisé en ce que le canal (12) de l'un au moins des tronçons de conduit (7a, 7b ; 8a, 8b) loge au moins en partie des ailettes (15) orientées vers l'autre tronçon de conduit (7a, 7b ; 8a, 8b). 6. - Vehicle (1) automobile according to any one of claims 3 to 5, characterized in that the channel (12) of at least one of the pipe sections (7a, 7b; 8a, 8b) houses at least in part fins (15) facing the other section of duct (7a, 7b; 8a, 8b).
7. - Véhicule (1 ) automobile selon la revendication 6, caractérisé en ce que les ailettes (15) sont ménagées par des grilles équipant les débouchés (9a, 9b ; 10a, 10b) du canal (12) de l'un au moins des tronçons de conduit (7a, 7b ; 8a, 8b). 7. - Vehicle (1) automobile according to claim 6, characterized in that the fins (15) are formed by grids equipping the outlets (9a, 9b, 10a, 10b) of the channel (12) of at least one duct sections (7a, 7b; 8a, 8b).
8.- Véhicule (1 ) automobile selon la revendication 6, caractérisé en ce que les ailettes (15) sont formées par des parois de cloisonnement du canal (12). 8. Vehicle (1) automobile according to claim 6, characterized in that the fins (15) are formed by partition walls of the channel (12).
9. - Véhicule (1 ) automobile selon l'une quelconque des revendications précédentes, caractérisé en ce que l'un au moins des tronçons de conduit (7a, 7b ; 8a, 8b) comprend une conduite de prolongement du canal (12) qui est ménagée par au moins un élément de carrosserie du sous-ensemble de carrosserie comprenant au moins l'aile (5). 9. - Vehicle (1) automobile according to any one of the preceding claims, characterized in that at least one of the pipe sections (7a, 7b; 8a, 8b) comprises an extension pipe of the channel (12) which is provided by at least one bodywork element of the body subassembly comprising at least the wing (5).
10. - Véhicule (1 ) automobile selon la revendication 9, caractérisé en ce que l'élément de carrosserie ménageant la conduite comprend au moins une porte d'accès à l'habitacle du véhicule (1 ). 10. - Vehicle (1) automobile according to claim 9, characterized in that the bodywork element providing the conduit comprises at least one access door to the passenger compartment of the vehicle (1).
EP17811631.5A 2016-12-08 2017-11-16 Automotive vehicle provided with a body subassembly decreasing aerodynamic turbulence in a wheel arch Withdrawn EP3551523A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1662119A FR3059974B1 (en) 2016-12-08 2016-12-08 MOTOR VEHICLE HAVING A BODY UNDER ASSEMBLY REDUCING AERODYNAMIC TURBULENCE IN A WHEEL PASSAGE.
PCT/FR2017/053130 WO2018104604A1 (en) 2016-12-08 2017-11-16 Automotive vehicle provided with a body subassembly decreasing aerodynamic turbulence in a wheel arch

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EP3551523A1 true EP3551523A1 (en) 2019-10-16

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CN (1) CN110049914A (en)
BR (1) BR112019009643A2 (en)
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FR3127194B1 (en) 2021-09-22 2023-08-11 Psa Automobiles Sa MOTOR VEHICLE WITH VORTEX GENERATOR ON WHEEL ARCH
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FR3059974A1 (en) 2018-06-15
WO2018104604A1 (en) 2018-06-14
FR3059974B1 (en) 2019-01-25
CN110049914A (en) 2019-07-23

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