FR2512749A1 - Heater for motor vehicle - comprises radiator which rotates between two extreme positions in air chamber - Google Patents
Heater for motor vehicle - comprises radiator which rotates between two extreme positions in air chamber Download PDFInfo
- Publication number
- FR2512749A1 FR2512749A1 FR8206962A FR8206962A FR2512749A1 FR 2512749 A1 FR2512749 A1 FR 2512749A1 FR 8206962 A FR8206962 A FR 8206962A FR 8206962 A FR8206962 A FR 8206962A FR 2512749 A1 FR2512749 A1 FR 2512749A1
- Authority
- FR
- France
- Prior art keywords
- radiator
- control member
- installation according
- bowl
- fixed
- 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- Withdrawn
Links
- 238000009434 installation Methods 0.000 claims description 23
- 238000010438 heat treatment Methods 0.000 claims description 22
- 239000012530 fluid Substances 0.000 claims description 14
- 241000124033 Salix Species 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00007—Combined heating, ventilating, or cooling devices
- B60H1/00021—Air flow details of HVAC devices
- B60H1/00035—Air flow details of HVAC devices for sending an air stream of uniform temperature into the passenger compartment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00321—Heat exchangers for air-conditioning devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00321—Heat exchangers for air-conditioning devices
- B60H2001/0035—Heat exchangers for air-conditioning devices movable in and out of the air stream
Landscapes
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
Description
La présente invention se rapporte aux installations de chauffage pour véhicules automobiles. The present invention relates to heating installations for motor vehicles.
En particuli.er, l'invention vise les installations de chauffage pour véhicules automobiles du type qui comprend un conduit d'afflux d'air, un radiateur dans lequel circule un fluide de chauffage- interpose dans ce conduit d'afflux d'air et une valve de réglage du débit du fluide de chauffage traversant le radiateur. In particular, the invention relates to heating installations for motor vehicles of the type which comprises an air inflow duct, a radiator in which a heating fluid circulates- interposed in this air inflow duct and a valve for adjusting the flow rate of the heating fluid passing through the radiator.
munie d'un organe mobile de commande.provided with a mobile control member.
On connait des installations de chauffage du type ci-dessus dans lesquelles Ie radiateur est fixé à l'intérieur du conduit d'afflux d'air dans une position où il barre complètement ce conduit. Ce mode d'exécution a pour inconvénient que tout l'air à distribuer à l.'in- térieur de l'habitacle du véhicule doit traverser le radiateur, meme dans le cas où il n'est pas nécessaire de le chauffer. Cela entraine des pertes de charge inutiles pour l'air qui passe dans le conduit et par conséquent l'adoption de ventilateurs de dimensions et de performances supérieures, ce qui augmente évidemment le prix de revient. Heating installations of the above type are known in which the radiator is fixed inside the air inflow duct in a position where it completely blocks this duct. This embodiment has the disadvantage that all the air to be distributed inside the vehicle cabin must pass through the radiator, even in the case where it is not necessary to heat it. This leads to unnecessary pressure losses for the air passing through the duct and consequently the adoption of fans of larger dimensions and performance, which obviously increases the cost price.
Selon un autre mode d'exécution connu, le radiateur obstrue partiellement le conduit d'afflux d'air et une cloison tournante détermine par sa position le rapport entre le débit d'air qui passe dans le conduit et le débit d'air qui traverse le radiateur. L!adoption d'un organe supplémentaire tla cloison) détermine une complication de construction et une augmentation du prix de revient. En outre, l'encombrement de l'installation de chauffage est plus grand étant donné la necessité de prévoir un conduit supplémentaire pour le passage de l'air qui ne traverse pas le radiateur. According to another known embodiment, the radiator partially obstructs the air inflow duct and a rotating partition determines by its position the ratio between the air flow which passes through the duct and the air flow which passes through the radiator. The adoption of an additional part (the partition) determines a complication of construction and an increase in the cost price. In addition, the space requirement of the heating installation is greater given the need to provide an additional duct for the passage of air which does not pass through the radiator.
L'invention a pour but de realiser une installation de chauffage pour véhicules automobiles du type indiqué ci-dessus qui élimine les inconvénients mention nés et qui soit donc plus fonctionnelle, plus économique et moins encombrante que les installations classiques. The object of the invention is to provide a heating installation for motor vehicles of the type indicated above which eliminates the mentioned drawbacks and which is therefore more functional, more economical and less bulky than conventional installations.
En vue d'atteindre les buts ci-dessus, l'invention a pour objet une installation de chauffage pour véhicules automobiles comprenant un enduit d'afflux d'air, un radiateur dans lequel circule un fluide de chauffage, interposé dans ce conduit d'afflux d'air et une valve de réglage du débit de fluide de chauffage traversant le radiateur, munie d'un organe mobile de commande, installation caractérisée par le fait que le radiateur est supporte de manière à pouvoir tourner à l'intérieur du conduit d'afflux d'air et est susceptible de prendre diverses positions intermédiaires entre deux positions extremes d'obstruction maximale et d'obstruction minimale du conduit d'afflux d'air, et par le fait que l'organe mobile de commande mentionne de la valve de réglage est solidaire du radiateur et est conçu pour prendre une position correspondant respectivement au débit maximal et au débit minimal de fluide traversant le radiateur quand ce dernier est respectivement dans les positions extrêmes d'obstruction maximale et d'obstruction minimale du conduit d'afflux d'air. In order to achieve the above aims, the invention relates to a heating installation for motor vehicles comprising an air flow coating, a radiator in which a heating fluid circulates, interposed in this duct. inflow of air and a valve for adjusting the flow rate of heating fluid passing through the radiator, provided with a movable control member, installation characterized in that the radiator is supported so as to be able to rotate inside the duct d air flow and is likely to take various intermediate positions between two extreme positions of maximum obstruction and minimum obstruction of the air flow duct, and by the fact that the movable control member mentions the valve adjustment is integral with the radiator and is designed to take a position corresponding respectively to the maximum flow and the minimum flow of fluid passing through the radiator when the latter is respectively in the extreme obstructed positions maximum dimension and minimum obstruction of the air flow duct.
L'installation de chauffage pour véhicules automobiles selon l'invention présente d'une part l'avantage d'eviter le passage de l'air à travers le radiateur dans les "conditions estivales" et d'autre part l'avantage de presenter un plus petit nombre de composants et un encombrement réduit relativement aux installations réalisées antérieurement. The heating installation for motor vehicles according to the invention has on the one hand the advantage of avoiding the passage of air through the radiator in "summer conditions" and on the other hand the advantage of having a smaller number of components and reduced footprint relative to installations carried out previously.
tn particulier, l'organe mobile de commande de la valve de réglage est formé d'une seule pièce avec le radiateur, avec les avantages qui en découlent à savoir la simplicité de construction et le bas prix. tn particular, the movable member for controlling the adjustment valve is formed in one piece with the radiator, with the advantages which flow therefrom, namely the simplicity of construction and the low price.
D'autres caractéristiques et avantages de l'invention apparaîtront dans la description suivante qui se
réfère aux dessins annexés, fournis purement à titre
d'exemple non limitatif et sur lesquels
- les figures 1 à 3 sont trois coupes en élévation laté
rale d'une installation de chauffagepour véhicules
automobiles selon l'invention, dans trois états de
fonctionnement différents, - la figure 4 un plan partiellement en coupe d'un radia
teur selon l'invention, et - la figure 5 une vue éclatée à plus grande échelle d'une
valve de réglage du débit de fluide de chauffage.Other characteristics and advantages of the invention will appear in the following description which
refers to the accompanying drawings, provided purely as a
non-limiting example and on which
- Figures 1 to 3 are three sections in side elevation
role of a heating installation for vehicles
automobiles according to the invention, in three states of
different operation, - Figure 4 a plan partially in section of a radia
tor according to the invention, and - Figure 5 an exploded view on a larger scale of a
heating fluid flow control valve.
Dans l'installation représentée schématiquement par la figure 1, on a indiqué par 1 une prise d'air et par 3 un groupe de distribution de l'air à l'intérieur de l'habitacle d'un véhicule automobile. Un conduit d'afflux d'air 5 qui relie la prise d'air I au groupe de distribution 3 loge intérieurement un radiateur 7 supporté par le conduit 5 de manière à pouvoir tourner autour d'un axe horizontal entre deux positions extrêmes, l'une de barrage total 13 et l'autre d'obstruction minimale 15, représentées respectivement sur les figures 1 et 3. In the installation shown diagrammatically in FIG. 1, 1 indicates an air intake and 3 indicates an air distribution group inside the passenger compartment of a motor vehicle. An air inflow duct 5 which connects the air intake I to the distribution group 3 internally houses a radiator 7 supported by the duct 5 so as to be able to rotate about a horizontal axis between two extreme positions, the one with a total barrier 13 and the other with a minimum obstruction 15, shown respectively in FIGS. 1 and 3.
Sur la figure 5, on a indiqué par la référence 9 une valve de réglage du débit de fluide de chauffage traversant le radiateur 7 , la valve de réglage 9 comprend un organe mobile de commande 17 formé -d'une seule pince avec le radiateur 7, un corps fixe en cuvette 33 et un diaphragme 45. In FIG. 5, reference 9 indicates a valve for adjusting the flow rate of heating fluid passing through the radiator 7, the adjustment valve 9 comprises a movable control member 17 formed of a single clamp with the radiator 7 , a fixed bowl body 33 and a diaphragm 45.
L'organe mobile de commande 17 présente un corps cylindrique comprenant une paroi cylindrique 19 coaxiale à l'axe de rotation du radiateur 7 et partant d'une paroi 21 de celui-ci. Deux tronçons de tube 23, 25 faisant saillie sur la paroi 21 du radiateur 7 à l'intérieur de la paroi cylindrique 19 débouchent chacun à travers une ouverture correspondante de cette paroi 21, l'une dans un collecteur d'entrée 27 et l'autre dans un collecteur de sortie 29 du radiateur 7. The movable control member 17 has a cylindrical body comprising a cylindrical wall 19 coaxial with the axis of rotation of the radiator 7 and starting from a wall 21 thereof. Two sections of tube 23, 25 projecting from the wall 21 of the radiator 7 inside the cylindrical wall 19 each open through a corresponding opening in this wall 21, one in an inlet manifold 27 and the other in an outlet manifold 29 of the radiator 7.
Une gorge annulaire 31 part d'une surface extérieure de la paroi cylindrique 19. An annular groove 31 starts from an external surface of the cylindrical wall 19.
Le corps fixe en cuvette 33 à l'intérieur duquel est monté de manière à pouvoir tourner le corps cylindrique de l'organe mobile de commande 17 présente une paroi de fond 35 de laquelle partent vers l'extérieur deux raccords tubulaires 37, 39 d'entrée et de sortie destinés à coopérer avec les deux tronçons de tube 23, 25 de l'organe mobile de commande 17. The fixed bowl-shaped body 33 inside which is mounted so as to be able to rotate the cylindrical body of the mobile control member 17 has a bottom wall 35 from which two tubular connections 37, 39 d go outward. inlet and outlet intended to cooperate with the two sections of tube 23, 25 of the mobile control member 17.
Un appendice annulaire 41, prévu pour la fixation du corps en cuvette 33 au conduit 5, part d'une surface extérieure du corps fixe en cuvette 33. An annular appendage 41, provided for fixing the bowl-shaped body 33 to the duct 5, starts from an external surface of the fixed body in the bowl 33.
Une nervure annulaire circonférentielle 43 part d'une surface intérieure du corps fixe en cuvette 33 et est engagée dans la gorge annulaire circonférentielle 31. A circumferential annular rib 43 starts from an interior surface of the fixed bowl-shaped body 33 and is engaged in the circumferential annular groove 31.
Un pivot 11, coaxial à l'axe de rotation du radiateur 7, part du radiateur à la paroi opposée à la paroi 21 de laquelle part le corps cylindrique de l'organe mobile de commande 17. A pivot 11, coaxial with the axis of rotation of the radiator 7, leaves the radiator at the wall opposite to the wall 21 from which the cylindrical body of the movable control member 17 starts.
Le pivot 1t, logé dans une cavité ménagée dans Ae Eonduit 5 et le corps cylindrique de l'organe mobile de commande 17, monté de manière à pouvoir tourner à l'intérieur du corps fixe en cuvette 33J constituent les supports de montage tournants du radiateur 7 à l'intrieur du conduit 5. The pivot 1t, housed in a cavity formed in Ae Eonduit 5 and the cylindrical body of the mobile control member 17, mounted so as to be able to rotate inside the fixed body in a bowl 33J constitute the rotating mounting supports for the radiator 7 inside the duct 5.
Le diaphragme 45, inséré entre le corps fixe en cuvette et le corps cylindrique de organe mobile d commande 17, a la forme d'un plateau circulaire de diamètre égal au diamètre intérieur du corps en cuvette 33 et est fixé sur une surface intérieure de la paroi de fond 35 du corps. Le diaphragme prssente deux trous passants profilés 47 en face des raccords tubulaires 37, 39 du corps fixe en cuvette. The diaphragm 45, inserted between the fixed bowl-shaped body and the cylindrical body of the movable control member 17, has the shape of a circular plate with a diameter equal to the inside diameter of the bowl-shaped body 33 and is fixed to an inner surface of the bottom wall 35 of the body. The diaphragm has two profiled through holes 47 opposite the tubular connections 37, 39 of the fixed body in a bowl.
Deux anneaux d'étanchéité 51, coaxiaux aux deux tronçons de tube 23, 25, garantissent l'étanchéité entre les deux tronçons de tube susdits et le diaphragme 45. Two sealing rings 51, coaxial with the two tube sections 23, 25, guarantee the seal between the two above-mentioned tube sections and the diaphragm 45.
Une garniture d'étanchéité annulaire 53, interposée entre la surface extérieure de la paroi cylindrique 19 et la surface intérieure du corps fixe en cuvette 33, garantissent l'étanchéité entre les deux organes susdits. An annular seal 53, interposed between the outer surface of the cylindrical wall 19 and the inner surface of the fixed bowl-shaped body 33, guarantee the seal between the two above-mentioned members.
On a indiqué par 55 une partie pratiquement semi-cylindrique du conduit 5 dont l'axe de courbure coincide avec l'axe de rotation du radiateur 7 qui, dans le cas représenté, est un axe de symétrie de ce radiateur 7. There is indicated by 55 a practically semi-cylindrical part of the duct 5 whose axis of curvature coincides with the axis of rotation of the radiator 7 which, in the case shown, is an axis of symmetry of this radiator 7.
Le fonctionnement de l'invention décrite cidessus est le suivant. The operation of the invention described above is as follows.
Quand le radiateur 7 est disposé dans la position 13 de barrage total du conduit 5. voir figure 1, l'organe mobile de commande 17 de la valve de réglage 9 du débit de fluide de chauffage traversant le radiateur 7 est dans un position correspondant au débit maximal de fluide de chauffage dans le radiateur 7. Tout l'azur à distribuer à l'intérieur de l'habitacle du vêhicùle traverse donc le radiateur 7 ou il subit le chauffage maximal compatible avec les performances du radiateur. When the radiator 7 is disposed in the position 13 of total blocking of the duct 5. see FIG. 1, the mobile control member 17 of the valve 9 for adjusting the flow of heating fluid passing through the radiator 7 is in a position corresponding to the maximum flow rate of heating fluid in the radiator 7. All the azure to be distributed inside the passenger compartment of the vehicle therefore passes through the radiator 7 or it undergoes the maximum heating compatible with the performance of the radiator.
Ouand le radiateur 7 est disposé dans la position extrême 15 d'obstruction minimale du conduit 5, voir figure 3, l'organe mobile de commande 17 de la valve de réglage 9 est dans une position correspondant à un débit nul de fluide de chauffage dans le radiateur 7. L'air à distribuer à l'intérieur de l'habitacle ne subit donc pas d'élévation de température étant donné qu'il ne traverse pas le radiateur 7 dans lequel ne circule pas, d'autre part, le fluide de chauffage. Or when the radiator 7 is placed in the extreme position 15 of minimum obstruction of the duct 5, see FIG. 3, the mobile control member 17 of the adjustment valve 9 is in a position corresponding to a zero flow of heating fluid in the radiator 7. The air to be distributed inside the passenger compartment therefore does not undergo a rise in temperature since it does not pass through the radiator 7 in which, on the other hand, the fluid does not circulate of heating.
Des positions du radiateur 7, dans le conduit 5, qui sont intermédiaires entre les deux positions ex extrêmes décrites plus haut et des positions correspondantes de l'organe mobile de commande 17 de la valve de réglage 9, voir figure 2, correspondent à des élévations de température intermédiaires entre la valeur zéro et la valeur maximale pour l'air à distribuer à l'intérieur de l'habitacle. Positions of the radiator 7, in the duct 5, which are intermediate between the two ex-extreme positions described above and corresponding positions of the movable control member 17 of the adjustment valve 9, see FIG. 2, correspond to elevations intermediate temperatures between the zero value and the maximum value for the air to be distributed inside the passenger compartment.
La rotation du radiateur peut s'effectuer manuellement depuis l'habitacle grâce à des moyens de transmission mécanique ou bien électriquement au moyen d'un moteur approprié prévu à cet effet. The radiator can be rotated manually from the passenger compartment by mechanical transmission means or electrically by means of a suitable motor provided for this purpose.
Claims (10)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT68195/81A IT1144775B (en) | 1981-09-11 | 1981-09-11 | HEATING SYSTEM FOR MOTOR VEHICLES |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2512749A1 true FR2512749A1 (en) | 1983-03-18 |
Family
ID=11308440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8206962A Withdrawn FR2512749A1 (en) | 1981-09-11 | 1982-04-22 | Heater for motor vehicle - comprises radiator which rotates between two extreme positions in air chamber |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR2512749A1 (en) |
| IT (1) | IT1144775B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4523633A (en) * | 1982-04-30 | 1985-06-18 | Diesel Kiki Co., Ltd. | Heater unit for automotive vehicles, permitting easy removal and fitting of heater core from and into casing |
| FR2567081A1 (en) * | 1984-07-03 | 1986-01-10 | Sueddeutsche Kuehler Behr | Hot water pipe for vehicle heating systems |
| FR2599310A1 (en) * | 1986-06-02 | 1987-12-04 | Peugeot | Arrangement of an air-conditioning unit in a motor vehicle |
| FR2616212A1 (en) * | 1987-06-04 | 1988-12-09 | Valeo | Ventilating and heating device using hot air with pivoting radiator |
| FR2798095A1 (en) * | 1999-09-07 | 2001-03-09 | Valeo Climatisation | Heater and/or air conditioning for vehicle consists of secondary heat exchanger, which can be located in the air flow or removed from it |
| DE102017113340A1 (en) | 2017-06-19 | 2018-12-20 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Attachment, rear and motor vehicle |
| FR3108271A1 (en) * | 2020-03-18 | 2021-09-24 | Psa Automobiles Sa | ASSEMBLY SHAPED BY A HYDRAULIC CIRCUIT AND A VEHICLE STRUCTURE INCLUDING A HYDRAULIC CONNECTION |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1299631A (en) * | 1961-06-13 | 1962-07-27 | Applic Ind Soc Et | Air conditioning unit for motor vehicle |
| DE2208377A1 (en) * | 1972-02-23 | 1973-09-06 | Kurt Dr Ing Zenkner | METHOD FOR REGULATING THE HEATING CAPACITY OF HEATING DEVICES IN MOTOR VEHICLES OR THE SAME, AND DEVICE FOR CARRYING OUT THE METHOD |
| FR2472710A1 (en) * | 1979-12-26 | 1981-07-03 | Schmelzer Corp | VALVE DISTRIBUTOR GROUP |
| FR2479397A1 (en) * | 1980-03-31 | 1981-10-02 | Ferodo Sa | VALVE, IN PARTICULAR FOR ADJUSTING THE HEATING OF THE CABIN OF A MOTOR VEHICLE |
-
1981
- 1981-09-11 IT IT68195/81A patent/IT1144775B/en active
-
1982
- 1982-04-22 FR FR8206962A patent/FR2512749A1/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1299631A (en) * | 1961-06-13 | 1962-07-27 | Applic Ind Soc Et | Air conditioning unit for motor vehicle |
| DE2208377A1 (en) * | 1972-02-23 | 1973-09-06 | Kurt Dr Ing Zenkner | METHOD FOR REGULATING THE HEATING CAPACITY OF HEATING DEVICES IN MOTOR VEHICLES OR THE SAME, AND DEVICE FOR CARRYING OUT THE METHOD |
| FR2472710A1 (en) * | 1979-12-26 | 1981-07-03 | Schmelzer Corp | VALVE DISTRIBUTOR GROUP |
| FR2479397A1 (en) * | 1980-03-31 | 1981-10-02 | Ferodo Sa | VALVE, IN PARTICULAR FOR ADJUSTING THE HEATING OF THE CABIN OF A MOTOR VEHICLE |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4523633A (en) * | 1982-04-30 | 1985-06-18 | Diesel Kiki Co., Ltd. | Heater unit for automotive vehicles, permitting easy removal and fitting of heater core from and into casing |
| FR2567081A1 (en) * | 1984-07-03 | 1986-01-10 | Sueddeutsche Kuehler Behr | Hot water pipe for vehicle heating systems |
| FR2599310A1 (en) * | 1986-06-02 | 1987-12-04 | Peugeot | Arrangement of an air-conditioning unit in a motor vehicle |
| FR2616212A1 (en) * | 1987-06-04 | 1988-12-09 | Valeo | Ventilating and heating device using hot air with pivoting radiator |
| FR2798095A1 (en) * | 1999-09-07 | 2001-03-09 | Valeo Climatisation | Heater and/or air conditioning for vehicle consists of secondary heat exchanger, which can be located in the air flow or removed from it |
| DE102017113340A1 (en) | 2017-06-19 | 2018-12-20 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Attachment, rear and motor vehicle |
| FR3108271A1 (en) * | 2020-03-18 | 2021-09-24 | Psa Automobiles Sa | ASSEMBLY SHAPED BY A HYDRAULIC CIRCUIT AND A VEHICLE STRUCTURE INCLUDING A HYDRAULIC CONNECTION |
Also Published As
| Publication number | Publication date |
|---|---|
| IT8168195A0 (en) | 1981-09-11 |
| IT1144775B (en) | 1986-10-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |