WO2007097086A1 - Unité de propulsion de voiture électrique - Google Patents

Unité de propulsion de voiture électrique Download PDF

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Publication number
WO2007097086A1
WO2007097086A1 PCT/JP2006/323794 JP2006323794W WO2007097086A1 WO 2007097086 A1 WO2007097086 A1 WO 2007097086A1 JP 2006323794 W JP2006323794 W JP 2006323794W WO 2007097086 A1 WO2007097086 A1 WO 2007097086A1
Authority
WO
WIPO (PCT)
Prior art keywords
motor
drive unit
electric vehicle
rotation
side rotating
Prior art date
Application number
PCT/JP2006/323794
Other languages
English (en)
Japanese (ja)
Inventor
Tomoaki Makino
Original Assignee
Ntn 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
Application filed by Ntn Corporation filed Critical Ntn Corporation
Publication of WO2007097086A1 publication Critical patent/WO2007097086A1/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
    • 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
    • B60K2007/0092—Disposition of motor in, or adjacent to, traction wheel the motor axle being coaxial to the wheel axle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2220/00—Electrical machine types; Structures or applications thereof
    • B60L2220/50—Structural details of electrical machines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/40—Drive Train control parameters
    • B60L2240/42—Drive Train control parameters related to electric machines
    • B60L2240/421—Speed
    • 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
    • F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
    • F16H1/32—Toothed gearings for conveying rotary motion with gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear
    • 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
    • Y02T10/64—Electric machine technologies in electromobility

Definitions

  • the present invention relates to an electric vehicle drive unit that rotationally drives drive wheels of an electric vehicle or the like.
  • a conventional electric vehicle drive unit is described in, for example, Japanese Patent Application Laid-Open No. 2005-7914.
  • the electric vehicle drive unit described in the publication discloses a motor that generates a driving force, a wheel hub that connects the tire, and the motor and the wheel hub to reduce the rotation of the rotor of the motor to the tire.
  • a transmission reduction gear employs a parallel shaft gear mechanism formed by combining a plurality of gears having different numbers of teeth.
  • the electric vehicle drive unit in which the output shaft of the electric motor and the wheel hub are coaxially connected via a speed reducer does not require a large power transmission mechanism such as a propeller shaft or a differential gear. Therefore, it is attracting attention in terms of reducing the weight and size of vehicles.
  • the electric vehicle drive unit attached to the unsprung part of the vehicle has a problem that the riding comfort becomes worse due to the increase of the unsprung weight, and has not yet been put into practical use.
  • JP-A-5-332401 is not an electric vehicle drive unit in which the electric motor and the speed reducer are mounted under the spring, but the planetary gear speed reducer is provided in two stages, and the second stage planetary gear speed reduction is provided. The output from the machine is distributed to the left and right unsprung wheels via the drive shaft.
  • the reduction ratio of the parallel shaft gear mechanism and the planetary gear mechanism employed in the reduction gears described in each of the above publications is the former force SlZ2 to lZ3 from the viewpoint of gear strength and the like, and the latter is 1Z3 to 1 Generally set to about Z6.
  • This is insufficient as a reduction ratio of a reduction gear mounted on an electric vehicle drive unit.
  • the reduction gear needs to have a multistage configuration. This leads to an increase in the weight and size of the reducer, which is inappropriate for electric vehicle drive units that require a connecting toy.
  • the planetary gear reducer described in JP-A-5-332401 can obtain a large reduction ratio as compared with a parallel shaft gear. Since it is composed of a pinion gear carrier, there is a problem that the number of parts is large and compaction is difficult.
  • an object of the present invention is to provide an electric vehicle drive unit that employs a speed reduction unit that is compact and provides a high speed reduction ratio.
  • An electric vehicle drive unit includes first and second drive devices that respectively rotate and drive left and right wheels.
  • Each drive device includes a motor unit that rotationally drives the motor-side rotation member, and a reduction unit that decelerates the rotation of the motor-side rotation member and transmits it to the wheel-side rotation member fixedly connected to the wheel knob.
  • the motor-side rotating member includes an eccentric portion, and the speed reducing portion is rotatably held by the eccentric portion, and performs a revolving motion centering on the rotation axis as the motor-side rotating member rotates.
  • the outer peripheral engagement member that engages with the outer peripheral portion of the revolution member and causes the rotation of the revolution member, and the rotation movement of the revolution member is converted into a rotation movement around the rotation axis of the motor side rotation member.
  • a movement mechanism that transmits to the wheel side rotating member.
  • the motor-side rotating member of the first driving device and the motor-side rotating member of the second driving device are arranged coaxially.
  • the revolution member has, for example, a plurality of waveforms on the outer peripheral portion thereof.
  • the counter member further includes a counterweight attached to the motor-side rotating member in a phase that cancels the unbalanced inertial couple due to the eccentric motion of the revolving member.
  • the eccentric portion generates an unbalanced inertia couple together with the centrifugal force. Therefore, the counterweight is arranged at a phase that cancels out the unbalanced inertial couple generated by the revolving member.
  • the vibration of the electric vehicle drive device (of the present invention) can be suppressed.
  • the motion mechanism has, for example, an inner pin that connects the revolving member and the wheel-side rotating member, and a hole that receives an inner pin whose diameter is larger than the outer diameter of the inner pin by a predetermined amount.
  • the hole is provided in the revolving member, and the inner pin is held by the wheel side rotating member.
  • the motor-side rotation member includes a cylindrical motor rotation shaft that is rotationally driven by the motor, and a speed reducer input shaft having an outer diameter surface that fits into the inner diameter surface of the motor rotation shaft.
  • the motor rotation shaft and the speed reduction unit input shaft are spline-fitted.
  • FIG. 1 is a diagram showing an electric vehicle drive unit according to an embodiment of the present invention.
  • FIG. 2 is a diagram showing an electric vehicle employing the electric vehicle drive unit of FIG.
  • FIG. 3 is a diagram showing a first drive device of the electric vehicle drive unit of FIG. 1.
  • FIG. 4 is a partially enlarged view of the speed reducing portion of FIG.
  • FIG. 5 is a cross-sectional view taken along the line ZZ in FIG.
  • an electric vehicle drive unit 20 according to an embodiment of the present invention will be described.
  • an electric vehicle 11 has a driving force applied to a chassis 12, front wheels 13a and 13b as steering wheels, rear wheels 14a and 14b as drive wheels, and left and right drive shafts 15a and 15b.
  • Electric vehicle drive unit 20 for transmitting the power.
  • the drive shafts 15a and 15b are composed of constant velocity joints and shaft portions, and are spline-fitted to the vehicle drive unit 20 and the drive wheels 14a and 14b.
  • the model shown in Fig. 1 is used.
  • An electric vehicle drive unit 20 according to an embodiment of the present invention is employed.
  • an electric vehicle drive unit 20 includes a motor unit 21 that rotationally drives a motor-side rotating member 30 disposed in a casing, and a wheel side that decelerates the rotation of the motor-side rotating member 30.
  • the first drive device 20a having a speed reducing portion 31 that transmits to the rotating member 38, and the second drive device 20b having the same shape as the first drive device, the first drive device 20a drives the drive shaft 15a to the second drive
  • the device 20b drives the drive shaft 15b to rotate.
  • the motor side rotating member 30 of the first drive device 20a and the motor side rotating member 30 of the second drive device 20b are arranged coaxially.
  • the second driving device 20b has the same shape as the first driving device 20a, and thus the description thereof is omitted.
  • the motor 21 of the first drive device 20a includes a stator 24 fixed to the casing, a rotor 23 disposed with a gap in the radial direction inside the stator, and a rotor 23 fitted into the rotor 23.
  • the radial gap motor includes a motor rotating shaft 22 that rotates integrally with the motor 23.
  • the speed reducer 31 includes a speed reducer input shaft 32 having eccentric parts 32a and 32b, and curved plates 33 and 3 4 as revolving members that are rotatably held by the eccentric parts 32a and 32b by rolling bearings 33a and 34a. And a plurality of outer pins 35 as outer peripheral engagement members that are held in a fixed position on the casing and engage with the outer peripheral portions of the curved plates 33 and 34, and the wheel side rotating member 38 And a counterweight 36a, 36b.
  • the motor-side rotating member 30 includes a cylindrical motor rotating shaft 22 that is rotationally driven by the motor 21, and a speed reducing portion that has an outer diameter surface that fits into the inner diameter surface of the motor rotating shaft 22. It is configured by spline fitting the force shaft 32.
  • the motor-side rotating member 30 is rotatably supported by rolling bearings 30a, 30b, and 30c at both ends of the motor 21 and the left end of the speed reduction portion 31.
  • the curved plate 33 has a plurality of corrugations formed of a trochoidal system curve such as epitrochoid on the outer peripheral portion, and has a plurality of through holes penetrating the one end surface force and the other end surface. 3 3b are provided at equal intervals on a circumferential track centering on the rotation axis of the curved plate 33.
  • the curved plate 34 has the same shape as the curved plate 33.
  • the outer pins 35 are equally spaced on a circumferential track around the rotation axis of the motor side rotating member 30. Is provided. This coincides with the revolution trajectory of the curved plates 33, 34. Therefore, when the curved plates 33, 34 revolve, the curved waveform and the outer pin 35 are engaged, and the curved plates 33, 34 rotate. Give rise to Further, in order to reduce the contact resistance with the curved plates 33, 34, needle roller bearings 35a are provided at positions where they contact the outer peripheral surfaces of the curved plates 33, 34.
  • the counterweights 36a and 36b are disc-shaped and have a through-hole that engages with the speed reduction unit input shaft 32 at a position where the central force is also removed, and are unbalanced inertia couples generated by the rotation of the curved plates 33 and 34.
  • the eccentric portions 32a and 32b are arranged outside the eccentric portions 32a and 180 degrees out of phase.
  • the curved plates 33, 34 and the counterweights 36a, 36b are, as shown in FIG. 4, the center point between the two curved plates 33, 34 is G, and the center point G and each curve
  • the distance between the center of the plates 33 and 34 is Ll
  • the distance between the center point G and each counterweight 36a, 36b is L2
  • the mass of the curved plate 33 and counterweight 36a on the left side of the center point G is ml, from the center point G.
  • the motion structure is composed of a plurality of inner pins 37 held by the wheel-side rotating member 38 and through holes 33b, 34b provided in the curved plates 33, 34.
  • the inner pins 37 are provided at equal intervals on a circumferential track centering on the rotation axis of the wheel side rotation member 38.
  • needle roller bearings 37a are provided at positions in contact with the inner wall surfaces of the through holes 33b, 34b of the curved plates 33, 34.
  • the through holes 33b and 34b are provided at positions corresponding to the plurality of inner pins 37.
  • the inner diameters of the through holes 33b and 34b are the outer diameters of the inner pins 37 (the maximum outer diameter including the needle roller bearing 37a). (Diameter) is set larger by a predetermined amount.
  • the wheel-side rotating member 38 has a flange portion having a hole for holding the inner pin 37 on the end surface, and a cylindrical shaft portion that is fitted to the drive shaft 15b. It is supported rotatably by rolling bearings 38a and 30c.
  • the motor 21 supplies an alternating current to the coil of the stator 24 by an external force.
  • the rotor 23 constituted by a permanent magnet or a DC electromagnet rotates. At this time, the rotor 23 rotates at a higher speed as the voltage of higher frequency is applied to the coil.
  • the curved plates 33 and 34 revolve around the rotation axis of the motor side rotating member 30.
  • the outer pin 35 engages with the curved waveform of the curved plates 33 and 34 to cause the curved plates 33 and 34 to rotate in the direction opposite to the rotation of the motor side rotating member 30.
  • the inner pin 37 passing through the through holes 33b and 34b comes into contact with the inner wall surface of the through holes 33b and 34b as the curved plates 33 and 34 rotate. It is transmitted to the drive shaft 15a via the wheel side rotating member 38. From this, the revolving motion of the curved plates 33 and 34 is not transmitted to the inner pin 37, but only the rotational motion of the curved plates 33 and 34 is transmitted to the wheel side rotating member 38.
  • the speed reduction ratio of the speed reduction unit 31 having the above-described configuration is such that the number of outer pins 35 is Z and the wave of the curved plates 33 and 34 is
  • the reduction ratio is ⁇ ⁇ , and a very large reduction ratio can be obtained compared to parallel shaft gear reducers and planetary gear reducers.
  • the electric vehicle drive unit 20 configured as described above, since the rotation of the motor 21 is decelerated by the speed reduction unit 31 and transmitted to the drive wheels 14a and 14b, the low-torque, high-rotation type motor 21 is used. However, it is possible to transmit the necessary torque to the drive wheels 14a and 14b. As a result, the electric vehicle drive unit 20 can be reduced in size and weight, so that the electric vehicle 11 having a large cabin space and low fuel consumption can be obtained.
  • the force provided with two curved plates of the speed reduction unit with a 180 ° phase change can be set arbitrarily.
  • three curved plates are provided. In this case, it is recommended to change the 120 ° phase.
  • the motion conversion mechanism in the above-described embodiment has been illustrated as an example including the inner pin fixed to the wheel side rotation member and the through hole provided in the curved plate, the present invention is not limited thereto.
  • the rotation of the speed reducer can be arbitrarily configured to be transmitted to the drive wheels.
  • it may be a motion conversion mechanism composed of an inner pin fixed to a curved plate and a hole formed in the wheel side rotating member.
  • the bearings provided on the outer pin and the inner pin are needle roller bearings from the viewpoint of reducing the radial thickness
  • the present invention is not limited thereto.
  • cylindrical roller bearings, tapered roller bearings, angular contact ball bearings, four-point contact ball bearings, self-aligning roller bearings, etc. can do.
  • any type of rolling bearing can be applied as a bearing that supports the motor-side rotating member, the wheel-side rotating member, the gear carrier, and the like.
  • the force shown in the example using a radial gap motor in which a radial gap is provided between the stator and the rotor is applied.
  • Any type of motor is not limited thereto. be able to.
  • the electric vehicle drive unit can be made compact in the axial direction.
  • the rear wheels 14a and 14b are used as driving wheels.
  • the front wheels 13a and 13b are not limited to this. It may be a car.
  • the term “electric vehicle” is a concept including all vehicles that obtain driving force from electric power, and should be understood as including, for example, hybrid vehicles.
  • the motor-side rotating member shown in each of the above embodiments can be simplified in shape by spline-fitting the motor rotating shaft and the speed reducing portion input shaft, and Assemblability is improved.
  • an integrated motor-side rotating member that is not limited to this may be used.
  • the present invention is advantageously used in an electric vehicle drive unit employed in an electric vehicle or the like.

Abstract

L'invention concerne une unité de propulsion (20) de voiture électrique qui comprend un premier dispositif de propulsion (20a) comportant un moteur (21) pour entraîner en rotation un élément (30) latéral rotatif de moteur placé dans un corps; une partie (31) d'engrenage de réduction pour réduire la vitesse de rotation de l'élément (30) latéral rotatif de moteur et transmettre la vitesse de rotation réduite à un élément (38) latéral rotatif de roue; et un second dispositif de propulsion (20b) qui présente la même forme que le premier. Chacune des parties (31) de l'engrenage de réduction du premier dispositif de propulsion (20a) et du second dispositif de propulsion (20b) comprend un arbre d'entrée (32) de partie d'engrenage de réduction comportant des éléments excentriques (32a, 32b), des plaques cintrées (33, 34) servant d'éléments rotatifs qui sont maintenues en rotation par les éléments excentriques (32a, 32b), une pluralité de broches extérieures (35) servant d'éléments de contact périphérique extérieur en prise avec les éléments périphériques extérieurs des plateaux cintrés (33, 34), et un mécanisme de conversion de mouvement pour transmettre les mouvements de rotation des plaques cintrées (33, 34) à l'élément (38) latéral rotatif de roue.
PCT/JP2006/323794 2006-02-22 2006-11-29 Unité de propulsion de voiture électrique WO2007097086A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2006045192A JP2007224979A (ja) 2006-02-22 2006-02-22 電気自動車駆動ユニット
JP2006-045192 2006-02-22

Publications (1)

Publication Number Publication Date
WO2007097086A1 true WO2007097086A1 (fr) 2007-08-30

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2006/323794 WO2007097086A1 (fr) 2006-02-22 2006-11-29 Unité de propulsion de voiture électrique

Country Status (2)

Country Link
JP (1) JP2007224979A (fr)
WO (1) WO2007097086A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011003489A1 (fr) * 2009-07-10 2011-01-13 Dr. Ing. H.C.F. Porsche Aktiengesellschaft Dispositif de propulsion pour automobile avec essieu de portail comprenant une machine électrique
EP2292946A1 (fr) * 2008-07-02 2011-03-09 NTN Corporation Engrenage de réduction cycloïdal, dispositif d entraînement de moteur-roue, et dispositif d entraînement de moteur pour véhicule
WO2012066035A1 (fr) * 2010-11-16 2012-05-24 Borgwarner Torqtransfer Systems Ab Essieu électrique
CN104955667A (zh) * 2013-01-29 2015-09-30 Ntn株式会社 电动汽车驱动单元
FR3047447A3 (fr) * 2016-02-10 2017-08-11 Renault Sas Moteur electrique dans le chassis pour vehicule hybride

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011107074A1 (de) 2011-07-11 2013-01-17 Magna Steyr Fahrzeugtechnik Ag & Co. Kg Elektrische Maschine mit zwei Rotoren, sowie Antriebseinheit und Fahrzeug mit einer solchen Maschine
CN105515312B (zh) * 2016-01-22 2017-02-22 吉林大学 一种电动汽车用双机械端口驱动装置
JP2018028365A (ja) * 2016-08-19 2018-02-22 Ntn株式会社 車両駆動装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05116542A (ja) * 1992-03-19 1993-05-14 Aisin Aw Co Ltd 電気自動車用駆動装置
JPH1051999A (ja) * 1996-08-06 1998-02-20 Sumitomo Heavy Ind Ltd 内接噛合遊星歯車構造を採用したギヤドモータ
JPH10306854A (ja) * 1997-05-02 1998-11-17 Tokyo Pijiyon Kk 歯車減速機
JP2001140996A (ja) * 1999-11-18 2001-05-22 Shoken Ri サイクロイド減速型電動車輪モータ
JP2001349386A (ja) * 2000-06-07 2001-12-21 Sumitomo Heavy Ind Ltd 変速機の出力部構造及び搬送システムの駆動機構

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05116542A (ja) * 1992-03-19 1993-05-14 Aisin Aw Co Ltd 電気自動車用駆動装置
JPH1051999A (ja) * 1996-08-06 1998-02-20 Sumitomo Heavy Ind Ltd 内接噛合遊星歯車構造を採用したギヤドモータ
JPH10306854A (ja) * 1997-05-02 1998-11-17 Tokyo Pijiyon Kk 歯車減速機
JP2001140996A (ja) * 1999-11-18 2001-05-22 Shoken Ri サイクロイド減速型電動車輪モータ
JP2001349386A (ja) * 2000-06-07 2001-12-21 Sumitomo Heavy Ind Ltd 変速機の出力部構造及び搬送システムの駆動機構

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2292946A1 (fr) * 2008-07-02 2011-03-09 NTN Corporation Engrenage de réduction cycloïdal, dispositif d entraînement de moteur-roue, et dispositif d entraînement de moteur pour véhicule
EP2292946A4 (fr) * 2008-07-02 2011-11-30 Ntn Toyo Bearing Co Ltd Engrenage de réduction cycloïdal, dispositif d entraînement de moteur-roue, et dispositif d entraînement de moteur pour véhicule
US8506438B2 (en) 2008-07-02 2013-08-13 Ntn Corporation Cycloidal speed reducer, in-wheel motor drive device, and vehicle motor drive device
WO2011003489A1 (fr) * 2009-07-10 2011-01-13 Dr. Ing. H.C.F. Porsche Aktiengesellschaft Dispositif de propulsion pour automobile avec essieu de portail comprenant une machine électrique
US8640801B2 (en) 2009-07-10 2014-02-04 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Propulsion device for automobile with portal axle comprising an electrical machine
WO2012066035A1 (fr) * 2010-11-16 2012-05-24 Borgwarner Torqtransfer Systems Ab Essieu électrique
US9120479B2 (en) 2010-11-16 2015-09-01 Borgwarner Torqtransfer Systems Ab Electrical axle
CN104955667A (zh) * 2013-01-29 2015-09-30 Ntn株式会社 电动汽车驱动单元
FR3047447A3 (fr) * 2016-02-10 2017-08-11 Renault Sas Moteur electrique dans le chassis pour vehicule hybride

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