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FR2739330A1 - Hybrid vehicle with flywheel drive - Google Patents

Hybrid vehicle with flywheel drive Download PDF

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Publication number
FR2739330A1
FR2739330A1 FR9511449A FR9511449A FR2739330A1 FR 2739330 A1 FR2739330 A1 FR 2739330A1 FR 9511449 A FR9511449 A FR 9511449A FR 9511449 A FR9511449 A FR 9511449A FR 2739330 A1 FR2739330 A1 FR 2739330A1
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France
Prior art keywords
flywheel
vehicle
engine
energy
gear
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FR9511449A
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French (fr)
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Individual
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Individual
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Priority to FR9511449A priority Critical patent/FR2739330A1/en
Publication of FR2739330A1 publication Critical patent/FR2739330A1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units
    • B60K6/08—Prime-movers comprising combustion engines and mechanical or fluid energy storing means
    • B60K6/10—Prime-movers comprising combustion engines and mechanical or fluid energy storing means by means of a chargeable mechanical accumulator, e.g. flywheel
    • B60K6/105—Prime-movers comprising combustion engines and mechanical or fluid energy storing means by means of a chargeable mechanical accumulator, e.g. flywheel the accumulator being a flywheel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K5/00—Arrangement or mounting of internal-combustion or jet-propulsion units
    • B60K5/08—Arrangement or mounting of internal-combustion or jet-propulsion units comprising more than one engine
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2400/00—Special features of vehicle units
    • B60Y2400/42—Clutches or brakes
    • B60Y2400/427—One-way clutches
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/003—Transmissions for multiple ratios characterised by the number of forward speeds
    • F16H2200/0034—Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising two forward speeds
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H47/00—Combinations of mechanical gearing with fluid clutches or fluid gearing
    • F16H47/02—Combinations of mechanical gearing with fluid clutches or fluid gearing the fluid gearing being of the volumetric type
    • F16H47/04—Combinations of mechanical gearing with fluid clutches or fluid gearing the fluid gearing being of the volumetric type the mechanical gearing being of the type with members having orbital motion
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H9/00—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members
    • F16H9/02—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion
    • F16H9/04—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion using belts, V-belts, or ropes
    • F16H9/12—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion using belts, V-belts, or ropes engaging a pulley built-up out of relatively axially-adjustable parts in which the belt engages the opposite flanges of the pulley directly without interposed belt-supporting members
    • F16H9/16—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion using belts, V-belts, or ropes engaging a pulley built-up out of relatively axially-adjustable parts in which the belt engages the opposite flanges of the pulley directly without interposed belt-supporting members using two pulleys, both built-up out of adjustable conical parts
    • F16H9/18—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion using belts, V-belts, or ropes engaging a pulley built-up out of relatively axially-adjustable parts in which the belt engages the opposite flanges of the pulley directly without interposed belt-supporting members using two pulleys, both built-up out of adjustable conical parts only one flange of each pulley being adjustable
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/62—Hybrid vehicles

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Hybrid Electric Vehicles (AREA)
  • Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)

Abstract

The engine (17) drives a differential (12) through high (15) and low (13) gears. Clutches (14,19) allow either, or neither, gear to be selected. The flywheel (1) runs in an evacuated case, about a gyroscopically maintained vertical axis, and drives the differential through a cardan-jointed shaft (3) and tandem-connected belt and pulley units (6,10) with a continuously variable ratio. The intermediate shaft (8) between the latter includes a clutch (9), a reverse gear (11) and a free-wheel connection (7,16) with the engine drive-shaft (18). A small, 50cc, internal combustion engine (5), gear-coupled to the flywheel transmission (4) provides interior heating, stabilises the temperature and minimises start-stop operation of the main engine. Low gear is used to recharge flywheel energy, high when the flywheel assists.

Description

DESCRIPTION
L'énergie nécessaire au déplacement d'un véhicule lourd en milieu urbain se caractérise par une composante réactive beaucoup plus importante que la composante active: - La composante réactive ici définie est l'énergie mécanique qui doit etre injectée ou retirée au véhicule pour provoquer sa mise en mouvement ou son arret. C'est aussi l'énergie qu'il faut fournir pour gravir une pente ou celle qu'on récupère à la descente. Au terme du déplacement, le bilan énergétique de la composante réactive est très faible, voir nul quand on revient à son point de départ.DESCRIPTION
The energy required to move a heavy vehicle in an urban environment is characterized by a much greater reactive component than the active component: - The reactive component defined here is the mechanical energy which must be injected or withdrawn from the vehicle to cause its setting in motion or stopping it. It is also the energy that must be provided to climb a slope or that which is recovered on the descent. At the end of the movement, the energy balance of the reactive component is very low, or even zero when we return to its starting point.

- Nu contraire, la composante active est l'énergie dissipée par la résistance de l'air, la résistance au roulement et toutes formes de frottements susceptibles de se produire au cours du déplacement. Le bilan énergétique de cette forme d'énergie croit avec la longueur et la vitesse du déplacement.- On the contrary, the active component is the energy dissipated by the air resistance, the rolling resistance and all forms of friction liable to occur during movement. The energy balance of this form of energy increases with the length and speed of movement.

De façon çlassique, les véhicules a moteur ne gèrent pas séparément l'énergie réactive de l'énergie active ce qui amène à un surdimensionnement du moteur pour satisfaire à la demande de puissance lors de l'accélération. L'entretien de la rotation de ce gros moteur se révèle par la suite très pénalisant du point de vue de la consommation en carburant.Conventionally, motor vehicles do not manage reactive energy from active energy separately, which leads to oversizing of the engine to meet the demand for power during acceleration. The maintenance of the rotation of this large engine turns out to be very penalizing from the point of view of fuel consumption.

Enfin, au freinage, l'énergie cinétique est intégralement dissipée par le dispositif de freinage et constitue une perte sèche pour le bilan de propulsion. Ce gaspillage est d'autant plus important que le véhicule est plus lourd. Le bilan énergétique du déplacement en cycle urbain se révèle désastreux avec un rendement final de 5 a 10 /. . Finally, when braking, the kinetic energy is completely dissipated by the braking device and constitutes a dead loss for the propulsion balance. This waste is all the more important as the vehicle is heavier. The energy balance of moving in the urban cycle is disastrous with a final yield of 5 to 10 /. .

La présente invention propose une solution a ce problème en utilisant deux voies de transmission parallèles (figure 1): t Une voie de transmission active comportant ie moteur (17), et une boite de vitesses à deux rapports (13) et (15).The present invention proposes a solution to this problem by using two parallel transmission channels (FIG. 1): t An active transmission channel comprising the engine (17), and a two-speed gearbox (13) and (15).

t Une voie de transmission réactive comportant un volant d'inertie (1), un réducteur (2) et une transmission de type continu et réversible. Ces deux voies de transmission attaquent le meme différentiel de roues (12). t A reactive transmission channel comprising a flywheel (1), a reduction gear (2) and a continuous and reversible type transmission. These two transmission paths attack the same wheel differential (12).

Le volant d'inertie (1) a axe vertical, d'un volume de quelques litres, peut stocker une énergie de plusieurs Mégajoules. I1 est conditionné avec son réducteur dans une enceinte étanche suspendue par une fixation à la cardan pour assurer sa verticalitée quelque soient les mouvements du véhicule.The flywheel (1) with vertical axis, with a volume of a few liters, can store an energy of several megajoules. I1 is conditioned with its reducer in a sealed enclosure suspended by a universal joint to ensure its verticality whatever the movements of the vehicle.

Un dispositif d'effort vient toutefois tirer l'axe gyroscopique du volant pour le ramener perpendiculairement à l'assiette du véhicule. Le vide d'air autour du volant d'inertie est assuré par une petite pompe a vide. L'entretien de la rotation du volant d'inertie ne devrait pas consommer plus de 200W, sachant que ce dernier tourne en permanence entre 50% et 90% de sa vitesse nominale.An effort device however comes to pull the gyroscopic axis of the steering wheel to bring it perpendicular to the attitude of the vehicle. The vacuum around the flywheel is provided by a small vacuum pump. The maintenance of the rotation of the flywheel should not consume more than 200W, knowing that the latter rotates continuously between 50% and 90% of its nominal speed.

La transmission vers le reste du groupe moto-propulseur s'effectue par un arbre de transmission à cardans (3), monté parallèlement à l'axe de rotation du volant d'inertie (verticalement) de façon à ne pas lui transmettre de couple de renversement.Transmission to the rest of the powertrain is effected by a cardan shaft (3), mounted parallel to the axis of rotation of the flywheel (vertically) so as not to transmit torque to it. overturning.

La transmission vers le différentiel de roues s'effectue au travers des deux variateurs a courroies métalliques (6 et 10). Ces deux variateurs sont montés en tandem de façon à assurer la dynamique et la continuité de la transmission sur une plage de rapports de vitesses importante. Ces variateurs sont complétés par un dispositif d'inversion de marche (11).Transmission to the wheel differential takes place through two metal belt drives (6 and 10). These two variators are mounted in tandem so as to ensure the dynamics and continuity of the transmission over a wide range of gear ratios. These variators are completed by a reversing device (11).

Le couple appliqué aux roues est fonction de la position de la pédale d'accélérateur. Toutefois en position de "décélération" (pédale complètement relevée), le couple de freinage reste a une valeur raisonnable correspondant a un frein moteur ferme; le couple de freinage maximum en récupération d'énergie étant obtenu par le début de course de la pédale de frein.The torque applied to the wheels depends on the position of the accelerator pedal. However, in the "deceleration" position (pedal fully raised), the braking torque remains at a reasonable value corresponding to a firm engine brake; the maximum braking torque in energy recovery being obtained by the start of the brake pedal stroke.

Le moteur principal (17) est couplé aux roues par l'intermé diaire d'une transmission indépendante à deux rapports (13 et 15) au travers de l'un des embrayages (14) ou (19): 8 Le rapport court (13,14) est utilisé lorsqu'il est nécessaire de fournir simultanément l'énergie nécessaire a la recharge du volant d'inertie et à la propulsion du véhicule.The main engine (17) is coupled to the wheels via an independent two-speed transmission (13 and 15) through one of the clutches (14) or (19): 8 The short gear (13 , 14) is used when it is necessary to simultaneously supply the energy necessary for recharging the flywheel and for propelling the vehicle.

* Le rapport long (15,19) est utilisé lorsque le volant d'inertie est suffisemment chargé, et dans ce cas, il ne permet pas au moteur principal d'assurer seul sa charge,le complément énergétique est alors fourni par le volant d'inertie. * The long gear (15,19) is used when the flywheel is sufficiently charged, and in this case, it does not allow the main engine to ensure its own load, the energy supplement is then provided by the flywheel d 'inertia.

Un automatisme assure le passage automatique d'un rapport a l'autre suivant les besoins en énergie du volant; le moteur étant toujours utilisé à son couple maximum.An automatic mechanism ensures the automatic change from one gear to another according to the energy requirements of the steering wheel; the engine is always used at its maximum torque.

g Le moteur principal est automatiquement coupé et débrayé lorsque le niveau d'énergie stocké par le volant d'inertie dépasse le deuxième seuil haut (en cas de descente ou de fonctionnement en ville). Son redémarrage automatique s'effectue par recouplage progressif avec les roues au moment des phases d'accélération. g The main motor is automatically cut off and disengaged when the energy level stored by the flywheel exceeds the second high threshold (in the event of a descent or operation in the city). Its automatic restart is carried out by progressive recoupling with the wheels during the acceleration phases.

Un moteur auxiliaire (5) de faible puissance (50 cc/ 4 temps), mais avec de très bonnes performances de rendement, est couplé au volant d'inertie pour réduire la fréquence des épisodes "marche/arret" du moteur principal et assurer un chauffage plus régulier de l'habitacle ainsi que le maintien a température du moteur principal. Un entrainement peut etre prévu a ce niveau pour entrainer l'alternateur et les assistances freinage et embrayage.An auxiliary motor (5) of low power (50 cc / 4 stroke), but with very good performance performance, is coupled to the flywheel to reduce the frequency of "on / off" episodes of the main engine and ensure a more regular heating of the passenger compartment as well as maintaining the temperature of the main engine. A drive can be provided at this level to drive the alternator and the brake and clutch assistance.

$ Ce moteur auxiliaire pourra être couple à un moteur électrique à courant continu de quelques kilowatts, destiné a fournir une éventuelle énergie supplémentaire sous forme électrique. $ This auxiliary motor may be coupled to an electric DC motor of a few kilowatts, intended to supply any additional energy in electrical form.

Un alternateur entrainé par le volant d'inertie assure l'entretien de toutes les fonctions électriques du véhicule ainsi que la récupération sous forme électrique de l'énergie résiduelle du volant d'inertie lors de l'arret définitif du véhicule. An alternator driven by the flywheel ensures the maintenance of all the electrical functions of the vehicle as well as the recovery in electrical form of the residual energy of the flywheel when the vehicle comes to a final stop.

Une transmission particulière composée du train d'engrenages (16) et du crabot (7) empêche le moteur (17) de tourner plus vite que ne le permet la vitesse de l'arbre (8). Ainsi, au démarrage, lorsque tout est immobile, le démarrage du moteur (17) entraine le lancement du volant d'inertie (1) a travers le crabot (7) et le variateur a courroies (6). Nu contraire, en marche normale, la vitesse de l'arbre (8) est telle que le crabot (7) est en glissement permanent et ne joue plus aucun role dans la transmission, la recharge en énergie du volant d'inertie étant assurée par l'intermédiaire de l'un des deux embrayages (14) ou (19), l'arbre secondaire (20) et les transmissions à courroies (6) et (10).A particular transmission composed of the gear train (16) and the dog clutch (7) prevents the motor (17) from turning faster than the speed of the shaft (8) allows. Thus, at start-up, when everything is stationary, starting the engine (17) causes the flywheel (1) to be launched through the dog clutch (7) and the belt variator (6). On the contrary, in normal operation, the speed of the shaft (8) is such that the dog clutch (7) is in permanent slip and no longer plays any role in the transmission, the energy recharging of the flywheel being ensured by through one of the two clutches (14) or (19), the secondary shaft (20) and the belt transmissions (6) and (10).

CAS DE L'UTILISATION D'UNE TRANSISSION HYDROMECANIQUE
La figure 2 montre une application ou le variateur (6) est remplacé par une transmission de type hydromécanique: L'énergie mécanique fournie par l'arbre (4) et la roue creuse (21) est transmise vers l'engrenage solaire (23) et l'arbre (8) au travers des engrenages planétaires (22). La machine hydraulique (24) exerce un couple de freinage sur l'engrenage portant les planétaires (22) et transmet en retour une puissance hydraulique vers la deuxième machine hydraulique (25) laquelle la restitue sous forme mécanique vers l'arbre (8). Les deux machines hydrauliques représentées ici sont de type a cylindrée variable commandée par plateau oscillant.CASE OF THE USE OF A HYDROMECHANICAL TRANSMISSION
Figure 2 shows an application where the variator (6) is replaced by a hydromechanical type transmission: The mechanical energy supplied by the shaft (4) and the hollow wheel (21) is transmitted to the solar gear (23) and the shaft (8) through the planetary gears (22). The hydraulic machine (24) exerts a braking torque on the gear carrying the planets (22) and transmits in return hydraulic power to the second hydraulic machine (25) which restores it in mechanical form to the shaft (8). The two hydraulic machines shown here are of the variable displacement type controlled by a swash plate.

L'intéret de ce dispositif est d'@tre réversible et continu jusqu'a la vitesse zéro. L'embrayage (9) et le dispositif d'inversion de marche peuvent etre supprimés. En outre, le variateur hydraulique peut n'etre activé que pour les basses vitesses (O à 40 Km/h). Pour les vitesses supérieures, la machine hydraulique (24) ne tourne plus et transmet un couple statique au différentiel, ce qui réduit considérablement les pertes inhérentes a ce type de transmission. The interest of this device is to be reversible and continuous up to zero speed. The clutch (9) and the reversing device can be omitted. In addition, the hydraulic variator can only be activated for low speeds (0 to 40 km / h). For higher speeds, the hydraulic machine (24) no longer rotates and transmits static torque to the differential, which considerably reduces the losses inherent in this type of transmission.

D'autres propriétées remarquables peuvent alors etre mises a profit: - La puissance traversante est fonction de la pression hydraulique différentielle. Cette information peut être utilisée pour réagir sur le variateur (10) en fonction de la position de la pédale d'accélérateur.Other remarkable properties can then be taken advantage of: - The through power is a function of the differential hydraulic pressure. This information can be used to react on the variator (10) depending on the position of the accelerator pedal.

- Une limitation de couple peut être obtenue facilement par un clapet de décharge limitant la pression hydraulique maximum. - A torque limitation can be easily obtained by a relief valve limiting the maximum hydraulic pressure.

Claims (9)

REVENDICATIONS 1) Dispositif d'entrainement pour véhicule automobile utilisant simultanément deux voies de transmission: - La première réalise la transmission d'énergie mécanique du moteur vers les roues au moyen d'une boite de vitesses à engrenages comprenant un ou plusieurs rapports de vitesses ainsi que les moyens de leur sélection.1) Drive device for a motor vehicle using two transmission channels simultaneously: - The first transmits mechanical energy from the engine to the wheels by means of a gearbox comprising one or more gear ratios as well as the means of their selection. - La deuxième voie de transmission de type à variation continue du rapport de vitesses, réalise le couplage entre un volant d'inertie et les roues du véhicule.- The second type of transmission path with continuous variation of the gear ratio, performs the coupling between a flywheel and the vehicle wheels. 2) Dispositif selon la revendication 1 caractérisé en ce que le volant d'inertie est utilisé comme réservoir d'énergie pour augmenter ou diminuer l'énergie cinétique du véhicule.2) Device according to claim 1 characterized in that the flywheel is used as an energy reservoir to increase or decrease the kinetic energy of the vehicle. 3) Dispositif selon la revendication 1 caractérisé en ce que le volant d'inertie tourne à grande vitesse dans une enceinte vide d'air.3) Device according to claim 1 characterized in that the flywheel rotates at high speed in an empty air enclosure. 4) Dispositif selon la revendication 1 caractérisé par un positionnement vertical du volant d'inertie et de l'arbre de transmission au reste du véhicule.4) Device according to claim 1 characterized by a vertical positioning of the flywheel and the transmission shaft to the rest of the vehicle. 5) Dispositif selon les revendications 1 et 4, caractérisé par une suspension du type cardan destiné à isoler le volant d'inertie des mouvements de roulis et de tangage du véhicule; un dispositif d'effort étant chargé de ramener l'axe du volant d'inertie perpendiculairement a l'assiette du véhicule.5) Device according to claims 1 and 4, characterized by a suspension of the gimbal type intended to isolate the flywheel from the roll and pitch movements of the vehicle; an effort device being responsible for bringing the axis of the flywheel perpendicular to the attitude of the vehicle. 6) Dispositif selon la revendication 1 caractérisé par une utilisation du moteur a un couple proche ou égal a sa valeur maximale. Lorsque le besoin en énergie ne justifie plus un tel fonctionnement, le moteur est arrêté et désolidarisé du reste de la transmission. 6) Device according to claim 1 characterized by a use of the motor has a torque close to or equal to its maximum value. When the energy requirement no longer justifies such an operation, the engine is stopped and disconnected from the rest of the transmission. 7) Dispositif selon la revendication 1 caractérisé par une régulation de la puissance moyenne du moteur basée sur l'alternance d'épisodes de fonctionnement à haut régime et a rapport de vitesses court, et d'épisodes de fonctionnement à bas régime et a rapport de vitesses long, voire meme d'épisodes d'arret complet du moteur.7) Device according to claim 1 characterized by a regulation of the average power of the engine based on the alternation of episodes of operation at high speed and a short speed ratio, and episodes of operation at low speed and a ratio of long speeds, or even episodes of complete engine shutdown. 8) Dispositif selon la revendication 1 complété par une voie de couplage décrabotable entre le moteur et le volant d'inertie. Cette voie additionnelle est destinée à permettre la mise en mouvement dudit volant d'inertie lors du premier démarrage.8) Device according to claim 1 supplemented by a declutching coupling path between the motor and the flywheel. This additional channel is intended to allow the movement of said flywheel during the first start. 9) Dispositif selon la revendication 1 pour lequel le volant d'inertie est utilisé comme source d'énergie pour l'entrai- nement de l'alternateur et la fourniture des assistances au freinage, a l'embrayage et a la direction. 9) Device according to claim 1 for which the flywheel is used as a source of energy for driving the alternator and providing assistance with braking, clutching and steering.
FR9511449A 1995-09-29 1995-09-29 Hybrid vehicle with flywheel drive Pending FR2739330A1 (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2823156A1 (en) * 2001-04-06 2002-10-11 Renault Sas INFINITELY VARIABLE POWER-BASED TRANSMISSION WITH TWO OPERATING MODES
WO2014199064A1 (en) * 2013-06-14 2014-12-18 Technoboost Powertrain of a hydraulic hybrid vehicle, comprising a free wheel and a planetary gear train
FR3008037A1 (en) * 2013-07-02 2015-01-09 Technoboost TRACTION CHAIN OF A HYDRID HYDRAULIC VEHICLE COMPRISING A CLUTCH AND A PLANETARY TRAIN
CN104641148A (en) * 2012-09-17 2015-05-20 技术推进公司 Powertrain for a hydraulic hybrid vehicle, with a planetary gear train comprising a blocking system

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3120217A1 (en) * 1981-05-21 1982-12-09 Volkswagenwerk Ag, 3180 Wolfsburg Hybrid drive arrangement for multi-axle vehicles, particularly agricultural vehicles
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FR2823156A1 (en) * 2001-04-06 2002-10-11 Renault Sas INFINITELY VARIABLE POWER-BASED TRANSMISSION WITH TWO OPERATING MODES
WO2002081246A1 (en) * 2001-04-06 2002-10-17 Renault S.A.S. Infinitely variable power branching transmission with two operating modes
US7220199B2 (en) 2001-04-06 2007-05-22 Renault S.A.S. Infinitely variable power branching transmission with two operating modes
CN104641148A (en) * 2012-09-17 2015-05-20 技术推进公司 Powertrain for a hydraulic hybrid vehicle, with a planetary gear train comprising a blocking system
WO2014199064A1 (en) * 2013-06-14 2014-12-18 Technoboost Powertrain of a hydraulic hybrid vehicle, comprising a free wheel and a planetary gear train
FR3006944A1 (en) * 2013-06-14 2014-12-19 Technoboost TRACTION CHAIN OF A HYDRID HYDRAULIC VEHICLE, COMPRISING A FREE WHEEL AND A PLANETARY TRAIN
CN105283333A (en) * 2013-06-14 2016-01-27 技术推进公司 Powertrain of a hydraulic hybrid vehicle, comprising a free wheel and a planetary gear train
FR3008037A1 (en) * 2013-07-02 2015-01-09 Technoboost TRACTION CHAIN OF A HYDRID HYDRAULIC VEHICLE COMPRISING A CLUTCH AND A PLANETARY TRAIN

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