WO2021152610A1 - Ensemble groupe motopropulseur - Google Patents

Ensemble groupe motopropulseur Download PDF

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Publication number
WO2021152610A1
WO2021152610A1 PCT/IN2021/050054 IN2021050054W WO2021152610A1 WO 2021152610 A1 WO2021152610 A1 WO 2021152610A1 IN 2021050054 W IN2021050054 W IN 2021050054W WO 2021152610 A1 WO2021152610 A1 WO 2021152610A1
Authority
WO
WIPO (PCT)
Prior art keywords
assembly
powertrain assembly
driven sprocket
powertrain
driven
Prior art date
Application number
PCT/IN2021/050054
Other languages
English (en)
Inventor
Meibalan Mugilan
Rawat ANKIT
Subramoniam Chithambaram
Original Assignee
Tvs Motor Company Limited
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 Tvs Motor Company Limited filed Critical Tvs Motor Company Limited
Priority to CN202180009521.1A priority Critical patent/CN114945489A/zh
Priority to MX2022008180A priority patent/MX2022008180A/es
Publication of WO2021152610A1 publication Critical patent/WO2021152610A1/fr

Links

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
    • B60K7/00—Disposition of motor in, or adjacent to, traction wheel
    • B60K7/0007—Disposition of motor in, or adjacent to, traction wheel the motor being electric
    • 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
    • B60K17/00—Arrangement or mounting of transmissions in vehicles
    • B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
    • B60K17/043—Transmission unit disposed in on near the vehicle wheel, or between the differential gear unit and the wheel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M7/00—Motorcycles characterised by position of motor or engine
    • B62M7/08—Motorcycles characterised by position of motor or engine with the engine over the rear wheel
    • 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
    • B60K7/00—Disposition of motor in, or adjacent to, traction wheel
    • B60K2007/0046—Disposition of motor in, or adjacent to, traction wheel the motor moving together with the vehicle body, i.e. moving independently from the wheel axle
    • 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
    • B60K7/00—Disposition of motor in, or adjacent to, traction wheel
    • B60K2007/0061—Disposition of motor in, or adjacent to, traction wheel the motor axle being parallel to the wheel axle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2200/00—Type of vehicle
    • B60Y2200/10—Road Vehicles
    • B60Y2200/12—Motorcycles, Trikes; Quads; Scooters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2200/00—Type of vehicle
    • B60Y2200/10—Road Vehicles
    • B60Y2200/12—Motorcycles, Trikes; Quads; Scooters
    • B60Y2200/126—Scooters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K2204/00—Adaptations for driving cycles by electric motor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M9/00—Transmissions characterised by use of an endless chain, belt, or the like
    • B62M9/02—Transmissions characterised by use of an endless chain, belt, or the like of unchangeable ratio

Definitions

  • the present subject matter relates to the vehicle. More particularly, the present subject matter relates to powertrain assembly for an electric vehicle.
  • the alternative means includes electric vehicles, where these vehicle uses motor as the prime mover.
  • the electric vehicle is attractive in that the power unit in the form of a rechargeable battery pack is environmentally clean as it does not pollute the air during its operation and its operation is silent. Hence preference of users is rapidly shifting towards electrical vehicle for their regular usage.
  • traction motors must withstand predetermined temperature ranges as well as shock, vibration and abuse hence optimal placement of motors without any compromise in space for luggage compartment or battery storage compartment and at the same time ensuring required torque and speed is always a challenge for automobile players.
  • Fig. 1 illustrates a left side view of the powertrain assembly (PA), as per preferred embodiment of the present invention.
  • Fig. 2 illustrates a sectional top view of a powertrain assembly (PA) across A-A’ axis where few parts are omitted from the figure as per preferred embodiment of the present subject matter.
  • Fig. 3 illustrates a left side view of the powertrain assembly (PA) where few parts are omitted from the figure, as per preferred embodiment of the present invention where few parts are omitted.
  • Fig. 4a illustrates the side view of a drive train oscillation reduction device (213) and top section view of the drive train oscillation reduction device (213) across B-B’ axis as per preferred embodiment of the present subject matter.
  • Fig. 4b illustrates an exploded view of a powertrain assembly (PA) showing drive train oscillation reduction device (213) as per preferred embodiment of the present subject matter.
  • PA powertrain assembly
  • a transmission system or gear box is typically provided.
  • a trade-off between torque requirement and range of the vehicle is difficult since at higher torque requirements the range of the vehicle drops.
  • the electric drive comprising of independent electric motor mounted on the frame assembly.
  • independent electric motor is connected to the drive wheel through the endless transmission the tension in the endless transmission means like chain is a very essential parameter that determines transmission system performance.
  • a transmission system having chain connecting motor shaft to the drive wheel is typically subject to elongation of its length owing to wear and tear of the chain links; which in turn results in slackness of the chain; causes loss in the efficiency of the transmission and thus loss in performance of powertrain assembly as well as poor durability.
  • the reduction devices are used in the vehicle to increase the amount of torque per revolution of a shaft which increases the torque but often challenged with increased stress in the chain which connects the gear reduction output from electric motor to the drive wheels.
  • tension and slackness whipping of chain occurs. This results in rough performance of the powertrain assembly accompanied by noise and vibration resembling a rattle which increases with r.p.m. (revolution per minute) of the electric motor.
  • r.p.m. revolution per minute
  • I Independent motors supported on the frame assembly have the ability to produce high torque over a range of speeds. Therefore, high capacity of the electric motor is preferably adapted which results in more weight and cost. Further, higher capacity electric motors draw more power from the batteries. Thus, to increase the range of the electric vehicle high watt-hour batteries need to be packaged within the electric vehicle. Thus, packaging of a high capacity motor and high watt-hour batteries adversely affects the vehicle layout in terms of aspects like adequate foot space or luggage space or utility space, frame design and also involves custom design of frame assembly to support the high capacity electric motor and high watt-hour batteries as well as its location/mountings. So, an electric drive assembly should be implementable with minimal changes in an existing layout architecture of a conventional vehicle and with minimum modification of frame component to support the electric motor.
  • drivetrain oscillations in electric vehicle are more as compare to the IC engine powered vehicles.
  • the drivetrain oscillation is a phenomenon of fluctuating vehicle speed caused by torsional vibrations in the vehicle powertrain i.e. initial response or jerk that arises due to high rate of change of driveline torque.
  • the acceleration jerks of a vehicle propelled by an electric motor more particularly, jerks felt in acceleration phase from a steady state or after a deceleration phase, requires complex mechanism to reduce the drivetrain oscillations.
  • the present subject matter relates to a two stage reduction powertrain assembly.
  • the powertrain assembly comprising of a prime mover which is supported on a primary housing, said primary housing enclosing a transmission system.
  • the transmission system includes a drive shaft assembly operatively connected to the driven shaft assembly through transmission means, a cover member, said cover member is detachably attached to the primary housing, and a secondary housing, said secondary housing enclosing a gear reduction system.
  • the transmission means includes chain transmission.
  • the gear reduction system includes a driving gear installed on the driven shaft and a driven gear installed on a wheel shaft. The wheel shaft is parallel and alongside the driven shaft such that said driven gear is engaged with said driving gear.
  • the two-stage reduction includes primary stage as chain transmission and secondary stage includes gear stage reduction.
  • primary stage i.e. chain transmission
  • a guiding and tensioner assembly is provided for primary stage i.e. chain transmission.
  • the guiding and tensioner assembly is mounted between drive shaft assembly and driven shaft assembly.
  • the guiding and tensioner assembly includes a tensioner, and at least two guide members.
  • the tensioner is mounted on the primary housing using at least two bolts.
  • the tensioner is mounted on the top surface of the primary housing.
  • FIG 1 illustrates the side view of powertrain assembly (PA) as per preferred embodiment of the present invention.
  • the present invention has a frame assembly (FA) similar to a two wheeler, three wheeler or four wheeler frame known in the art.
  • the powertrain assembly (PA) is pivotally connected to the frame assembly (FA).
  • the present invention can have steering system (not shown) and a seat assembly (not shown).
  • the powertrain assembly (PA) includes a prime mover (101), as per preferred embodiment i.e. electric motor (101) is operatively connected to the drive wheel (100).
  • a braking system (103) is attached to drive wheel (100).
  • brake system (103) can be inbuilt in drive wheel (100).
  • vehicle may have a centre stand (102), used especially when the operator is not on the vehicle.
  • the centre stand (102) is operatively connected to at least portion of the powertrain assembly (PA).
  • a cushioning means (not shown) is used to dampen the road shocks, wherein said cushioning means (not shown) one end is connected to the cushion member mount structure (104).
  • FIG. 2 illustrates a sectional top view of a powertrain assembly (PA) across A-A’ axis as per preferred embodiment of the present subject matter.
  • a prime mover (101) is supported on a primary housing (201), said primary housing (201) enclosing a transmission system.
  • the transmission system includes a drive shaft assembly (DSA) operatively connected to the driven shaft assembly (DRSA) through transmission means (206), a cover member (202).
  • the cover member (202) is detachably attached to the primary housing (201).
  • the secondary housing (203) encloses a gear reduction system.
  • a wheel assembly (212) is removably attached to the secondary housing (203) such that secondary housing (203) is sandwiched between the wheel assembly (212) and primary housing (201) when viewed from the rear of the powertrain assembly (PA).
  • the drive shaft assembly (DSA) includes driving sprocket (204), said driving sprocket (204) is installed on a drive shaft (207).
  • the drive shaft (207) includes shaft of the prime mover (101) i.e. electric motor (101).
  • a driven shaft (208) is adapted to have external splines at one of its end to accommodate the driven shaft assembly (DRSA).
  • a driven shaft assembly (DRSA) includes a driven sprocket (205) and a drive train oscillation reduction device (213) both are installed on a driven shaft (208).
  • transmission means (206) includes a chain.
  • the power from the electric motor (101) drives the driving sprocket (204) of the drive shaft assembly (DSA).
  • the driving sprocket (204) drives the driven sprocket (205) through transmission means (206).
  • the driven shaft (208) further operatively connected to a wheel shaft (209) through gear reduction system.
  • the gear reduction system includes at least one driving gear (214) installed on the driven shaft (208) and at least one driven gear (215) installed on the wheel shaft (209).
  • the wheel shaft (209) is parallel and alongside the driven shaft (208) such that driving gear (214) is engaged with the driven gear (215).
  • both the ends are rotatably supported on the bearings (210) such that one end is rotatably supported on the secondary housing (203) and another end is rotatably supported on the primary housing (201). Further, for the wheel shaft
  • both the ends are rotatably supported on the bearings (211) such that one end is rotatably supported on the secondary housing (203) and another end is rotatably supported on the primary housing (201).
  • This architecture & layout of the drive & drive shaft system enables a compact layout overcoming all problems cited earlier.
  • FIG. 3 illustrates a left side view of a powertrain assembly where few parts are omitted from the figure as per preferred embodiment of the present subject matter.
  • the transmission system includes a guiding and tensioner assembly (GTA) is provided to maintain optimum tension and support throughout the operating life of the transmission means (206).
  • the guiding and tensioner assembly (GTA) comprising of at least two guide member (302a, 302b) and at least one tensioner (301).
  • the guide members (302a, 302b) is mounted on the slack side and the tensioned side of the transmission means (206) respectively.
  • the primary transmission here is the silent chain transmission, which rotates in the clockwise direction during the forward propulsion of the vehicle.
  • the tensioner (301) is mounted on the primary housing (201) using at least two bolts (301a). as per preferred embodiment the tensioner (301) is mounted on the top surface of the primary housing (201). There is normally a housing (not shown) of tensioner (301) which encloses a plunger (not shown).
  • the positive bias force on the plunger (not shown) pushes on the guide member (302a) to maintain optimum tension.
  • the tensioner (301) is mounted on the top of the primary housing (201) with the plunger (not shown) projected inside the primary housing (201).
  • the guide member (302a) and tensioner (301) guide the slack side of the transmission means (206) and apply the pressure coming through the tensioner plunger (not shown) in the downward direction.
  • the guide members (302a, 302b) is configured to have a top land part (not shown).
  • the top land part (not shown) of the guide member (302a, 302b) is in sliding contact with the transmission means (206).
  • FIG. 4a illustrates the side view of the drive train oscillation reduction device and top section view of the drive train oscillation reduction device across B-B’ axis as per preferred embodiment of the present subject matter.
  • the driven shaft assembly comprises of the drive train oscillation reduction device (213).
  • the drive train oscillation reduction device (213) is primarily formed of a retainer disc (402) and a retainer plate (406).
  • the driven sprocket (205) is disposed between the retainer disc (402) and the retainer plate (406) such that retainer disc (402) is disposed on the prime mover (101) i.e. electric motor (101) side, and the retainer plate (406) is disposed on the transmission side.
  • retainer disc (402), driven sprocket (205) and retainer plate (406) are fixed together by a plurality of pins (401) passing through plurality of holes provided in each of retainer disc (402), retainer plate (406) and driven sprocket (205). Thereby driven sprocket (205), retainer plate (406) and retainer disc (402) hold together as a single unit.
  • the retainer disc (402) is integrally formed with the insert (407).
  • the insert (407) configured to have a central hole (402c) configured with internal splines corresponding to the external splines on the driven shaft (208).
  • the insert (407) is made up of high-density material as compared to the outer body of retainer disc (402).
  • the plurality of bushes (403) are arranged to maintain optimum gap between the driven sprocket (205) and retainer plate (406).
  • one end of the bush (403) is protruding in the transmission side in order to maintain optimum gap between driven sprocket (205) and retainer plate (406).
  • a shim (404a) and spring washer (404b) is provided between the retainer disc (402) and driven sprocket (205) to compress the driven sprocket (205) with retainer plate (406) to prevent the free axial float of driven sprocket (205).
  • This configuration of spring washer (404b) will avoid the rattling noise generation by resisting free axial float of driven sprocket (205).
  • Figure 4b illustrates an exploded view of a powertrain assembly showing drive train oscillation reduction device (213) as per preferred embodiment of the present subject matter.
  • the plurality of opening (402b, 406b, 205b) in each of retainer disc (402), retainer plate (406), driven sprocket (205) are preferably four in numbers and are circumferentially equally spaced from each other.
  • the driven sprocket (205) is configured to have plurality of openings or cavities (205b) of predetermined shape.
  • the predetermined shape is like elongated holes.
  • the elongated openings (205b) accommodate the plurality of bushes (403).
  • each of retainer disc (402), driven sprocket (205) and retainer plate (406) is configured to have central hole (402c, 205c, 406c) respectively.
  • the central hole (402c, 205c, 406c) is opened axially to accommodate driven shaft (208).
  • the driven sprocket (205) provided with a plurality of driven sprocket windows (205a) in the circumferential direction.
  • These driven sprocket windows (205a) are preferably four in numbers and are circumferentially equally spaced from each other.
  • the plurality of driven sprocket openings or windows (205a) are substantially circumferentially long to accommodate the spring (405).
  • the plurality of driven sprocket windows (205a) are configured to have predetermined shape.
  • the plurality of driven sprocket windows (205a) are substantially circumferentially long to accommodate the spring (405) which is disposed such that it is partially protruding from both the sides in axial direction of the driven sprocket (205).
  • each of retainer disc (402) and retainer plate (406) is formed of corresponding windows (402a, 406a).
  • the springs (405) are provided with the axial float between the retainer disc (402) and retainer plate (406) to prevent constraint on radial squeezing during working.
  • the plurality of bush (403) in each opening (205b) of driven sprocket allow predetermined radial movement of the driven sprocket (205) between the retainer plate (406) and retainer disc (402) thus causing compression of the spring (405) while reducing the jerk.
  • the direction of compression of spring (405) in acceleration will be opposite to the direction of compression of spring (405) in deceleration. [00028] Therefore, the present invention achieves enhanced transmission efficiency and considerably increases the range of electric vehicle.
  • the present subject matter facilitates the working of low torque electric motor using two stage reduction transmission system wherein primary transmission is chain drive and secondary transmission is gear drive, thereby slackness in the chain drive is reduced which increases the efficiency of powertrain assembly.
  • the size of the primary housing and cover member is reduced in the longitudinal direction as the secondary transmission i.e. gear transmission is provided on the other end i.e. in the lateral direction of the vehicle operatively connected to wheel assembly and primary housing.
  • present architecture & layout of the transmission system & powertrain assembly reduces the weight and cost.
  • low torque prime mover with two stage reduction increases the range of the electric vehicle as less current is drawn by the low torque prime mover while at the same time delivering optimum torque.
  • the slackness in the chain drive due to prolonged usage is compensated by implementation of guiding and tensioner assembly. Furthermore, the drive oscillations during sudden acceleration and deceleration are eliminated by using simple and inexpensive drive oscillation reduction device the two-stage reduction transmission system configured to have guiding and tensioner assembly and drive oscillation reduction device enhances the overall performance of the electric vehicle.
  • Tensioner 301a At least two bolts

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
  • General Details Of Gearings (AREA)

Abstract

La présente invention concerne un ensemble groupe motopropulseur (PA) comprenant un moteur d'entraînement (101) qui est supporté sur un logement principal (201), le logement principal (201) renfermant un système de transmission. Le système de transmission comprend un ensemble arbre d'entraînement (DSA) raccordé de manière fonctionnelle à un ensemble arbre entraîné (DSRA) par l'intermédiaire de moyens de transmission (206), un élément couvercle (202), l'élément couvercle (202) étant fixé de façon détachable au logement principal (201), et un logement secondaire (203), le logement secondaire (203) renfermant un système de couple réducteur. Ainsi, la présente invention facilite le travail d'un moteur d'entraînement à faible couple (101) à l'aide d'un système de transmission à réduction à deux étages, une transmission principale étant une transmission par chaîne et une transmission secondaire étant un entraînement par engrenages, ce qui permet de réduire le relâchement de la transmission par chaîne et augmente l'efficacité de l'ensemble groupe motopropulseur (PA). De plus, le relâchement de la transmission par chaîne dû à une utilisation prolongée est compensé par l'utilisation d'un ensemble de guidage et de tendeur (GTA).
PCT/IN2021/050054 2020-02-01 2021-01-21 Ensemble groupe motopropulseur WO2021152610A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202180009521.1A CN114945489A (zh) 2020-02-01 2021-01-21 动力系组件
MX2022008180A MX2022008180A (es) 2020-02-01 2021-01-21 Ensamble de sistema de propulsion.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IN202041004541 2020-02-01
IN202041004541 2020-02-01

Publications (1)

Publication Number Publication Date
WO2021152610A1 true WO2021152610A1 (fr) 2021-08-05

Family

ID=77078652

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IN2021/050054 WO2021152610A1 (fr) 2020-02-01 2021-01-21 Ensemble groupe motopropulseur

Country Status (3)

Country Link
CN (1) CN114945489A (fr)
MX (1) MX2022008180A (fr)
WO (1) WO2021152610A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114426075A (zh) * 2021-12-31 2022-05-03 宗申·比亚乔佛山摩托车企业有限公司 一种防止偏移且便于更换的衬套座装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130130857A1 (en) * 2010-07-13 2013-05-23 Gkn Driveline International Gmbh Electric drive for a motor vehicle
EP2626231A2 (fr) * 2012-02-09 2013-08-14 Honda Motor Co., Ltd. Dispositif dýalimentation électrique pour véhicule électrique
US20190351756A1 (en) * 2018-05-16 2019-11-21 Borgwarner Inc. Electric all wheel drive two speed with chain drop

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130130857A1 (en) * 2010-07-13 2013-05-23 Gkn Driveline International Gmbh Electric drive for a motor vehicle
EP2626231A2 (fr) * 2012-02-09 2013-08-14 Honda Motor Co., Ltd. Dispositif dýalimentation électrique pour véhicule électrique
US20190351756A1 (en) * 2018-05-16 2019-11-21 Borgwarner Inc. Electric all wheel drive two speed with chain drop

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114426075A (zh) * 2021-12-31 2022-05-03 宗申·比亚乔佛山摩托车企业有限公司 一种防止偏移且便于更换的衬套座装置

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Publication number Publication date
MX2022008180A (es) 2022-08-02
CN114945489A (zh) 2022-08-26

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