WO2012128583A2 - Transmission et système d'entraînement de roue destinés à un véhicule à moteur doté de ceux-ci - Google Patents

Transmission et système d'entraînement de roue destinés à un véhicule à moteur doté de ceux-ci Download PDF

Info

Publication number
WO2012128583A2
WO2012128583A2 PCT/KR2012/002103 KR2012002103W WO2012128583A2 WO 2012128583 A2 WO2012128583 A2 WO 2012128583A2 KR 2012002103 W KR2012002103 W KR 2012002103W WO 2012128583 A2 WO2012128583 A2 WO 2012128583A2
Authority
WO
WIPO (PCT)
Prior art keywords
gear
clutch
drive shaft
input gear
gears
Prior art date
Application number
PCT/KR2012/002103
Other languages
English (en)
Other versions
WO2012128583A3 (fr
Inventor
Youngjun Kim
Takhyun KIM
Jungin Lee
Original Assignee
Central Corporation
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
Priority claimed from KR1020110130361A external-priority patent/KR101290074B1/ko
Application filed by Central Corporation filed Critical Central Corporation
Publication of WO2012128583A2 publication Critical patent/WO2012128583A2/fr
Publication of WO2012128583A3 publication Critical patent/WO2012128583A3/fr

Links

Images

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
    • B60K17/046—Transmission unit disposed in on near the vehicle wheel, or between the differential gear unit and the wheel with planetary gearing 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D11/00—Clutches in which the members have interengaging parts
    • F16D11/14—Clutches in which the members have interengaging parts with clutching members movable only axially
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D21/00—Systems comprising a plurality of actuated clutches
    • F16D21/02—Systems comprising a plurality of actuated clutches for interconnecting three or more shafts or other transmission members in different ways
    • F16D21/04—Systems comprising a plurality of actuated clutches for interconnecting three or more shafts or other transmission members in different ways with a shaft carrying a number of rotatable transmission members, e.g. gears, each of which can be connected to the shaft by a clutching member or members between the shaft and the hub of the transmission member
    • 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
    • F16H1/00—Toothed gearings for conveying rotary motion
    • F16H1/02—Toothed gearings for conveying rotary motion without gears having orbital motion
    • F16H1/20—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members
    • 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
    • B60K2007/0092—Disposition of motor in, or adjacent to, traction wheel the motor axle being coaxial to the wheel axle
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2300/00—Special features for couplings or clutches
    • F16D2300/24—Concentric actuation rods, e.g. actuation rods extending concentrically through a shaft

Definitions

  • a transmission may include a drive shaft rotated by a rotational torque.
  • the transmission may include a clutch co-rotated with the drive shaft, the clutch held in axially slidable connection with the drive shaft.
  • the transmission may include a push rod connected to the clutch, the push rod moving the clutch in an axial direction.
  • the power source of the roatational torque may be a motor.
  • the drive shaft may be connected with the motor to receive the rotational force therefrom.
  • the drive shaft may pass through the clutch.
  • a driving force transmitting mechanism may be formed at a face or the other opposite face of the clutch.
  • the face and the other opposite face may be disk faces of the clutch arranged in both sides with respect to a circumferential surface of the clutch.
  • the push rod may be connected with the clutch in rotational non-restricting relation.
  • the push rod may not affect the rotation of the clutch at all.
  • One example of the connecting relation may be a connecting relation generated by a bolt joint.
  • a plurality of through-holes may be longitudinally formed in the hollow section of the drive shaft in an axial direction.
  • a plurality of spokes extended outside the hollow section of the drive shaft via the plurality of the through-holes may be further provided to be coupled to the clutch.
  • the spokes may be connected with the push rod in a rotational non-restricting relation.
  • velocity variation of the gear mechanism may be enabled by the operation of the clutch and the varied rotational number may be output as a predetermined deceleration ratio.
  • the input gear of the gear mechanism may include a first input gear coaxially arranged adjacent to the side of the clutch, the first input gear selectively connected to a firts driving force transmitting mechanism formed in one face of the clutch to receive a driving force.
  • the input gear may further include a second input gear formed in a hollow shape to pass the push rod there through.
  • the second input gear may be coaxially arranged adjacent to the other opposite side of the clutch to be selectively connected to a second driving force transmitting mechanism formed in the other opposite face of the clutch to receive the driving force.
  • the second input gear may have a different number of gear teeth from a number of gear teeth formed in the first input gear.
  • the gear mechanism may include a third gear to engage with the first input gear, and a fourth gear connected to co-rotate with the third gear.
  • the fourth gear may engage with the second input gear and have a different number of gear teeth from a number of gear teeth formed in the third gear.
  • a plurality of the third gears and a plurality of the fourth gears may be provided to surround the first input gear and the second input gear, respectively.
  • the first input gear and the second input gear may be sun gears.
  • the third and fourth gears may be arranged around the first input gear and the second input gear, respectively.
  • the first input gear and the second input gear may a sun gear.
  • the third gears and the fourth gears may not revolve around the first input gear and the second input gear.
  • the fifth gear may be directly connected with the second input gear of the input gear in an axial direction.
  • the gear mechanism may include a sixth gear to engage with the fifth gear; and a seventh gear connected to co-rotate with the sixth gear, with a different number of gear teeth from a number of gear teeth formed in the sixth gear.
  • the sixth gear and the seventh gear may be a compound gear.
  • the gear mechanism may include a ring gear having an inner circumference to engage with the plurality of the seventh gears.
  • Such the ring gear may be connected with a wheel of a vehicle. Accordingly, the rotation of the ring gear may rotate the wheel of the vehicle.
  • the seventh gear may be directly connected with the wheel of the vehicle.
  • a compound gear composed of the seventh gear and the sixth gear may be a planet gear to revolve around the fifth gear.
  • the driving force transmitting mechanism may be a projection projected from a face or the other opposite face of the clutch.
  • a corresponding recess may be formed in the input gear to allow the projection therein.
  • the projection may be a ball insertedly provided in the face or the other opposite face of the clutch.
  • the ball may be elastically suspended by a washer spring provided in the clutch.
  • an in-wheel driving system for a vehicle may include the transmission mentioned above.
  • the drive shaft of the transmission may be connected with a driving motor.
  • the transmission may be connected with a vehicle wheel to transmit a rotational force. Accordingly, the rotational force of the driving motor may be transmitted to the vehicle wheel via the transmission.
  • the embodiments have following advantageous effects.
  • the transmission mentioned above may have an effect of a simple structure, a smaller volume and a smaller weight.
  • Such a compact structure may consume less energy and it may be applicable to an electric vehicle.
  • the structure may be compact-sized to be fitted to a small-sized vehicle.
  • FIG. 1 is a perspective view partially illustrating a transmission according to an embodiment of the invention
  • FIG. 3 is a sectional view illustrating a coupling state among a hollow drive shaft, a push rod and a clutch shown in FIG. 1;
  • FIG. 4 is a sectional view illustrating a detailed connectional relation of a first clutch ball shown in FIG. 2;
  • FIGS. 5 and 6 are diagrams illustrating embodiments of a connectional structure between the push rod and a spoke (or a clutch).
  • FIG. 1 is a perspective view partially illustrating a transmission according to an embodiment of the invention.
  • FIG. 2 is a sectional view illustrating a connecting state of the transmission shown in FIG. 1.
  • the transmission is rotated by a driving motor 1 and it may include a hollow drive shaft 10 having a splines 10 formed in an outer surface thereof along a longitudinal direction.
  • the transmission may include a push rod 20 inserted in the hollow drive shaft 10, with being movable along the longitudinal direction of the hollow drive shaft 10 by a stepping motor 100.
  • the push rod 20 may have a thread engaged with the stepping motor 100.
  • the thread of the push rod 20 may be engaged with a housing or a shaft of the motor 100 such that the push rod 20 longitudinally moves as the motor 100 rotates.
  • a clutch 30 engaged with a splines 11 of the hollow drive shaft 10 to co-rotate with the hollow drive shaft 10.
  • the clutch 30 may be also coupled to the push rod 20 via an opening 12 provided in a predetermined portion of the hollow drive shaft 10 to be movable along the longitudinal direction with respect to the hollow drive shaft 10.
  • the opening 12 is a through hole longitudinally formed along an axial direction and the plurality of the openings 12 may be formed along a circumferential direction.
  • a plurality of first clutch balls 31 may be provided in a face of the clutch 30 with spaced apart the same distance from a rotational center of the hollow drive shaft 10.
  • a plurality of second clutch balls 32 may be provided in the other opposite face of the clutch 30 with spaced farther from the rotational center of the hollow drive shaft 10 than the first clutch balls 31.
  • a first input gear 40 is located adjacent to a side of the clutch 30 and the hollow drive shaft 10 passes through a center of the first input gear 40. Also, the first clutch ball 31 is inserted in the first input gear 40 as the clutch 30 moves toward the first input gear 40. The first input gear 40 is rotated by the rotational force transmitted from the hollow drive shaft 10 via the first clutch ball 31.
  • a second input gear 50 is located adjacent to the other opposite side of the clutch 30 and the hollow drive shaft 10 passes through a center of the second input gear 40. The second clutch ball 32 is inserted in the second input gear 50 as the clutch 30 moves toward the second input gear 50. The second input gear 50 is rotated by a rotational force transmitted from the hollow drive shaft 10 via the second clutch ball 32.
  • the second input gear 50 has a larger diameter and a larger number of gear teeth than the first input gear 40.
  • a third gear 61 and a fourth gear 62 to engage with the first input gear 40 and the second input gear 50, respectively, may compose a first compound gear 60.
  • a rotational number of the first compound gear 60 may be variable according to a gear ratio with the first input gear 40 or the second input gear 50.
  • FIG. 1 shows a single first compound gear 60, three first compound gears 60 may be arranged at intervals of 120 degrees.
  • the first input gear 40 and the second input gear 50 may a sun gear.
  • the first compound gear 60 may not revolve around the first input gear 40 and the second input gear 50, and it may rotate on its axis at a fixed position supported by a bearing structure of a housing.
  • the third gear 61 has a larger diameter and a larger number of gear teeth than the fourth gear 62. Also, the third gear 61 has a smaller number of gear teeth than the second input gear 50 and the third gear 61 has the same number of gear teeth as the first input gear 40.
  • a fifth gear 70 is axially connected to the second input gear 50 and an axial connecting part 71 is formed in the fifth gear 70 for the axial connection.
  • a corresponding portion of the second input gear 50 is inserted in the axial connecting part 70 for the axial connection.
  • the fifth gear 70 has a hollow section 73. Accordingly, the push rod 20 passes through the fifth gear 70 to be connected to a stepping motor 100.
  • the fifth gear 70 is supported at the axial connecting part 71 and an end 74 located in opposite to the axial connecting part 71 by the bearing supporting structure of the housing.
  • the fifth gear 70 has a smaller number of gear teeth than the second input gear 50.
  • a sixth gear 82 engages with a gear 72 formed in outer circumference of the fifth gear 70.
  • the sixth gear 82 may form a second compound gear 80, together with a seventh gear 83.
  • the second compound gear 80 is supported at both ends 81 and 84 thereof by a bearing supporting structure of the housing.
  • Three second compound gears 80 are arranged at intervals of 120 degrees, with surrounding the gear 72 of the fifth gear 70.
  • the sixth gear 82 has a larger diameter and a larger number of gear teeth than the seventh gear 83, and it has a larger number of gear teeth than the fifth gear 70.
  • the fifth gear 70 and the second compound gear 80 have a relation that is similar to a relation between a sun gear and a planet gear. However, the second compound gear 80 may only rotate on its axis and it may not revolve around the fifth gear 70.
  • the ring gear 90 may be connected to a vehicle wheel. Accordingly, the ring gear 90 may co-rotate with the vehicle wheel.
  • a driving force of the driving motor 1 is transmitted to the hollow drive shaft 10, to rotate the hollow drive shaft 10.
  • a push rod 20 is inserted in the hollow drive shaft 10 and the push rod 20 performs linear reciprocating movement at a predetermined interval along a longitudinal direction within the hollow drive shaft 10 by the operation of a stepping motor 100 generating an auxiliary driving force.
  • the stepping motor 100 may be fixed to the housing.
  • a hydraulic cylinder may substitute for the stepping motor 100.
  • Spokes 21 is coupled to an end of the push rod 20 and the spokes 21 are projected outwardly via the openings 21 of the hollow drive shaft 10. Also, the spokes 21 are fixedly inserted in a recess provided in a face of the clutch 30.
  • the spokes 21 may be connected with the push rod 20 in a rotational non-restricting relation.
  • the push rod 20 and the spokes 21 may be connected with each other by a rolling bearing 22 as shown in FIG. 5 or by a ball joint 22 as shown in FIG. 6.
  • the spokes 21 may be connected with the push rod 20 in a rotational restricting relation in a case where a thread of the push rod 20 is engaged with a corresponding thread of a shaft of the motor 100.
  • the clutch 30 engaging with the spliness 11 rotates as the hollow drive shaft 10 rotates.
  • the clutch 30 may be reciprocated along the longitudinal direction of the hollow drive shaft 10 by the axial movement of the push rod 20 during the rotation of the clutch 30.
  • the splines 11 may be employed to transmit the rotational force and to guide the linear movement of the clutch 30 simultaneously.
  • a vehicle in the neutral condition may be stationary. Accordingly, the first input gear 40 may be coupled to the clutch 30 in the stationary state and gear-shifting shocks will not be generated because there is no difference in the relative rotational speed.
  • the push rod 20 When the driving at a small gear ratio is required by a predetermined speed reached by the hollow drive shaft 10, the push rod 20 is retreating to move the clutch 30 to a position corresponding to the neutral condition that is adjacent to the second input gear 50. After that, the rotational speed of the hollow drive shaft 10 is fitted to that of the second input gear 50 based on information of each speed sensor and then the clutch 30 is pushed slowly, to seat the second clutch balls 32 in the recesses 51 of the second input gear 50 in a state of little gear-shifting shocks.
  • the clutch 30 may rotate the second input gear 50 without decelerating the driving speed of the hollow drive shaft 10 through the deceleration ratios between the first input gear 40 and the third gear 61 and between the second input gear 50 and the fourth input gear 62.
  • the rotation of the second input gear 50 may be transmitted to the ring gear 92 via the fifth gear 70 and the second compound gear 80.
  • the rotational force may be additionally decelerated via the fifth gear 70 and the second compound gear 80.
  • FIG. 4 is a sectional view partially illustrating the clutch 30 having the first clutch ball 31 inserted therein.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Structure Of Transmissions (AREA)
  • Mechanical Operated Clutches (AREA)

Abstract

La présente invention a trait à une transmission et à un système d'entraînement de roue destinés à un véhicule doté de ceux-ci, laquelle transmission inclut un arbre de transmission tourné par un couple de rotation ; un embrayage tourné conjointement avec l'arbre de transmission, lequel embrayage est maintenu de manière à être en connexion coulissante axiale avec l'arbre de transmission et est doté d'un mécanisme de transmission de force d'entraînement formé sur au moins une face de celui-ci ; et une tige de culbuteur qui est connectée à l'embrayage, laquelle tige de culbuteur déplace l'embrayage dans une direction axiale.
PCT/KR2012/002103 2011-03-23 2012-03-23 Transmission et système d'entraînement de roue destinés à un véhicule à moteur doté de ceux-ci WO2012128583A2 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR10-2011-0025836 2011-03-23
KR20110025836 2011-03-23
KR10-2011-0130361 2011-12-07
KR1020110130361A KR101290074B1 (ko) 2011-03-23 2011-12-07 변속장치와 이를 포함하여 구성되는 차량용 인휠구동 시스템

Publications (2)

Publication Number Publication Date
WO2012128583A2 true WO2012128583A2 (fr) 2012-09-27
WO2012128583A3 WO2012128583A3 (fr) 2013-01-03

Family

ID=46879920

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2012/002103 WO2012128583A2 (fr) 2011-03-23 2012-03-23 Transmission et système d'entraînement de roue destinés à un véhicule à moteur doté de ceux-ci

Country Status (1)

Country Link
WO (1) WO2012128583A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2591095A (en) * 2020-01-14 2021-07-21 Qinetiq Ltd A drive system for a skid steered vehicle

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105156600B (zh) * 2015-09-30 2018-01-16 王新平 一种外转式二档电动变速器
CN105952850A (zh) * 2016-02-26 2016-09-21 王新平 一种外转式二挡变速电动车的驱动机构

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100368651B1 (ko) * 2000-07-18 2003-01-24 현대자동차주식회사 차량용 종감속 장치
JP2007146986A (ja) * 2005-11-29 2007-06-14 Yoshinobu Wada 自転車用変速装置
JP2010188745A (ja) * 2009-02-13 2010-09-02 Kanzaki Kokyukoki Mfg Co Ltd 車輪ハブ駆動ユニット
JP2010249303A (ja) * 2009-04-20 2010-11-04 Toyota Motor Corp 常時噛合式の車両用変速機

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100368651B1 (ko) * 2000-07-18 2003-01-24 현대자동차주식회사 차량용 종감속 장치
JP2007146986A (ja) * 2005-11-29 2007-06-14 Yoshinobu Wada 自転車用変速装置
JP2010188745A (ja) * 2009-02-13 2010-09-02 Kanzaki Kokyukoki Mfg Co Ltd 車輪ハブ駆動ユニット
JP2010249303A (ja) * 2009-04-20 2010-11-04 Toyota Motor Corp 常時噛合式の車両用変速機

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2591095A (en) * 2020-01-14 2021-07-21 Qinetiq Ltd A drive system for a skid steered vehicle
GB2591095B (en) * 2020-01-14 2023-11-29 Qinetiq Ltd A drive system for a skid steered vehicle

Also Published As

Publication number Publication date
WO2012128583A3 (fr) 2013-01-03

Similar Documents

Publication Publication Date Title
WO2013147347A1 (fr) Transmission
EP2333374B1 (fr) Dispositif d'entrainement de moteur electrique
WO2010143813A2 (fr) Appareil de transmission de puissance
WO2011014024A2 (fr) Boîte à engrenages automatique à pas multiple mécanique
WO2012060610A2 (fr) Réducteur hybride
WO2017014351A1 (fr) Ensemble actionneur pour frein de stationnement électronique
WO2010093227A2 (fr) Transmission à variation continue
WO2015023080A1 (fr) Réducteur
WO2018212406A1 (fr) Transmission multi-vitesse de moteur pour moyen de transport
WO2012128583A2 (fr) Transmission et système d'entraînement de roue destinés à un véhicule à moteur doté de ceux-ci
WO2022154314A1 (fr) Structure de lubrification de dispositif d'entraînement électrique pour véhicule et dispositif d'entraînement électrique comprenant ladite structure de lubrification
WO2022154313A1 (fr) Dispositif d'entraînement électrique pour véhicules comprenant un système hydraulique
WO2015056832A1 (fr) Ensemble manivelle permettant d'augmenter le rapport de rotation
WO2015156592A1 (fr) Transmission variable en continu
WO2010024569A2 (fr) Mécanisme contrarotatif
WO2012070878A1 (fr) Train d'engrenages pour transmission variable de façon continue
WO2012128584A2 (fr) Transmission et système d'entraînement de roue destinés à un véhicule à moteur doté de ceux-ci
WO2009145544A2 (fr) Générateur de vibrations
WO2013085233A1 (fr) Système d'entraînement dans la pour véhicule
US11255430B2 (en) Gearing assemblies and apparatus
CN106972693A (zh) 一种中置电机和配置该中置电机的电动自行车
WO2013085232A1 (fr) Transmission et système d'entraînement et système d'entraînement dans la roue pour véhicule comprenant cette transmission
WO2022145904A1 (fr) Dispositif d'entraînement électrique pour véhicule
WO2023238976A1 (fr) Dispositif de transfert de puissance de véhicule électrique configuré pour transférer efficacement une puissance et véhicule électrique comprenant ce dernier
CN206664847U (zh) 中置电机和配置该中置电机的电动自行车

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 12761410

Country of ref document: EP

Kind code of ref document: A2

NENP Non-entry into the national phase in:

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 12761410

Country of ref document: EP

Kind code of ref document: A2