WO2023190223A1 - 車両用駆動装置 - Google Patents

車両用駆動装置 Download PDF

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Publication number
WO2023190223A1
WO2023190223A1 PCT/JP2023/011962 JP2023011962W WO2023190223A1 WO 2023190223 A1 WO2023190223 A1 WO 2023190223A1 JP 2023011962 W JP2023011962 W JP 2023011962W WO 2023190223 A1 WO2023190223 A1 WO 2023190223A1
Authority
WO
WIPO (PCT)
Prior art keywords
differential
axial direction
stator core
vehicle drive
gear
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2023/011962
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
真治 近藤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Aisin Corp
Original Assignee
Aisin Corp
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 Aisin Corp filed Critical Aisin Corp
Priority to CN202380022532.2A priority Critical patent/CN118891459A/zh
Priority to JP2024512398A priority patent/JP7670232B2/ja
Priority to EP23780233.5A priority patent/EP4443024A4/en
Priority to US18/728,217 priority patent/US12338880B2/en
Publication of WO2023190223A1 publication Critical patent/WO2023190223A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
    • F16H37/02—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
    • F16H37/06—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts
    • F16H37/08—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing
    • F16H37/0806—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing with a plurality of driving or driven shafts
    • F16H37/0813—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing with a plurality of driving or driven shafts with only one input shaft
    • 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
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • 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
    • 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
    • F16H48/00—Differential gearings
    • F16H48/38—Constructional details
    • F16H48/40—Constructional details characterised by features of the rotating cases
    • 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
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H57/021—Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
    • 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
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H57/037—Gearboxes for accommodating differential gearings
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/30—Structural association with control circuits or drive circuits
    • H02K11/33—Drive circuits, e.g. power electronics
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/06—Cast metal casings
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
    • H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
    • 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
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K2001/001—Arrangement or mounting of electrical propulsion units one motor mounted on a propulsion axle for rotating right and left wheels of this 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
    • F16H—GEARING
    • F16H48/00—Differential gearings
    • F16H48/38—Constructional details
    • F16H48/40—Constructional details characterised by features of the rotating cases
    • F16H2048/405—Constructional details characterised by features of the rotating cases characterised by features of the bearing of the rotating case
    • 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
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H2057/02034—Gearboxes combined or connected with electric machines
    • 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
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H2057/02039—Gearboxes for particular applications
    • F16H2057/02043—Gearboxes for particular applications for vehicle transmissions
    • F16H2057/02052—Axle units; Transfer casings for four wheel drive
    • 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
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H57/021—Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
    • F16H2057/0216—Intermediate shaft supports, e.g. by using a partition wall
    • 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
    • F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
    • F16H37/02—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
    • F16H37/06—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts
    • F16H37/08—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing
    • F16H37/0806—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing with a plurality of driving or driven shafts
    • F16H37/0813—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing with a plurality of driving or driven shafts with only one input shaft
    • F16H37/082—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing with a plurality of driving or driven shafts with only one input shaft and additional planetary reduction gears

Definitions

  • the motor 10 includes a stator 11 fixed to a case 50, a rotor 12 rotatably provided on the inner peripheral side of the stator 11, and a rotor shaft 13 that rotatably supports the rotor 12.
  • the stator 11 includes a stator core 14 and a coil 15 wound around the stator core 14. Both ends of the coil 15 in the axial direction D1 form coil ends 15a that protrude from the stator core 14 on both sides.
  • the stator core 14 has a bolt fixing hole 14c (see FIG. 2) opened along the axial direction D1 in the outer peripheral portion. In this embodiment, the bolt fixing holes 14c are formed at three locations equidistant from the rotation center C1 of the rotor 12 (see FIG.
  • the right R end of the differential case 32 is rotatably supported by the case 50 by a bearing 34
  • the left L end is rotatably supported by the case 50 by a bearing 35. That is, the vehicle drive device 1 includes two bearings 34 and 35 that rotatably support both ends of the differential case 32 in the axial direction D1 relative to the case 50. Further, of the two bearings 34 and 35, the bearing 34 on the right side R is arranged at a position overlapping the differential ring gear 31 in the axial direction D1 when viewed from the radial direction.
  • the case 50 houses a case main body 51 that houses the motor 10, the speed reduction mechanism 20, and the differential device 30, a first cover 52 that closes the left side L of the first space S1 that houses the motor 10, and the differential device 30. It has a second cover 53 that closes the right side R of the second space S2.
  • the case body 51 has a partition wall 54 arranged between the motor 10 and the differential device 30 (see FIG. 2).
  • the opening 54a is provided with a length of about 1/4 in the axial direction D1 of the stator core 14 from the stator core end surface 14a. Note that the size and position of the opening 54a are not limited to these, and can be appropriately set depending on the distance between the stator core 14 and the differential case 32 and the position in the axial direction D1.
  • the end portion 54c on the left side L of the opening 54a is located on the right side R of the center of the stator core 14 in the axial direction D1.
  • the third gear 25 of the reduction mechanism 20 is disposed on the left side L of the second gear 24, that is, on the side of the differential device 30, and the third gear 25 is arranged on the differential ring gear 31 side. is engaged with. Therefore, the differential device 30 can be easily arranged at the center in the axial direction D1 without increasing the length of the speed reduction mechanism 20 in the axial direction D1.
  • vehicle drive device 1 of this embodiment has been described with reference to the case where it is applied to the front wheel drive of an electric vehicle, it is not limited to this, and may be applied to the rear wheel drive, for example, or applied to a hybrid vehicle. You may.
  • stator (11) when the stator (11) is deformed due to vibration or the like, it can be supported by the partition wall (54) so as not to be deformed.
  • a third gear (25) that is disposed on the other axial side (L) of the second gear (24), has a smaller diameter than the differential ring gear (31), and meshes with the differential ring gear (31);
  • a speed reduction mechanism (20) having Preferably, the differential mechanism (33) is disposed at a position where the center of the axial direction (D1) overlaps the rotating electrical machine (10) in the axial direction (D1) when viewed from the radial direction. It is.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Retarders (AREA)
PCT/JP2023/011962 2022-03-30 2023-03-24 車両用駆動装置 Ceased WO2023190223A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN202380022532.2A CN118891459A (zh) 2022-03-30 2023-03-24 车用驱动装置
JP2024512398A JP7670232B2 (ja) 2022-03-30 2023-03-24 車両用駆動装置
EP23780233.5A EP4443024A4 (en) 2022-03-30 2023-03-24 VEHICLE DRIVE DEVICE
US18/728,217 US12338880B2 (en) 2022-03-30 2023-03-24 Vehicle drive device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2022-055142 2022-03-30
JP2022055142 2022-03-30

Publications (1)

Publication Number Publication Date
WO2023190223A1 true WO2023190223A1 (ja) 2023-10-05

Family

ID=88201541

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2023/011962 Ceased WO2023190223A1 (ja) 2022-03-30 2023-03-24 車両用駆動装置

Country Status (5)

Country Link
US (1) US12338880B2 (https=)
EP (1) EP4443024A4 (https=)
JP (1) JP7670232B2 (https=)
CN (1) CN118891459A (https=)
WO (1) WO2023190223A1 (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2025187138A1 (ja) * 2024-03-05 2025-09-12 ジヤトコ株式会社 ユニット

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019094932A (ja) 2017-11-17 2019-06-20 アイシン・エィ・ダブリュ株式会社 車両用駆動装置
JP2020198675A (ja) * 2019-05-31 2020-12-10 日産自動車株式会社 駆動システム
JP2021131097A (ja) * 2020-02-18 2021-09-09 株式会社アイシン 車両用駆動装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5413633B2 (ja) * 2007-10-19 2014-02-12 アイシン・エィ・ダブリュ株式会社 ハイブリッド駆動装置
WO2013081121A1 (ja) * 2011-12-01 2013-06-06 Ntn株式会社 電動モータ搭載自動車のアクセル操作応答制御方法
JP6200825B2 (ja) * 2014-02-12 2017-09-20 本田技研工業株式会社 駆動装置の冷却構造
JPWO2018030372A1 (ja) * 2016-08-09 2019-06-13 日本電産株式会社 モータユニット
JP2019129608A (ja) * 2018-01-24 2019-08-01 トヨタ自動車株式会社 車両用駆動装置
WO2020213508A1 (ja) * 2019-04-19 2020-10-22 日本電産株式会社 駆動装置、および車両駆動システム
WO2021140712A1 (ja) * 2020-01-10 2021-07-15 アイシン・エィ・ダブリュ株式会社 車両用駆動装置
JP7509239B2 (ja) * 2020-12-18 2024-07-02 株式会社アイシン 車両用駆動装置
JP7733984B2 (ja) * 2021-03-08 2025-09-04 ニデック株式会社 駆動装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019094932A (ja) 2017-11-17 2019-06-20 アイシン・エィ・ダブリュ株式会社 車両用駆動装置
JP2020198675A (ja) * 2019-05-31 2020-12-10 日産自動車株式会社 駆動システム
JP2021131097A (ja) * 2020-02-18 2021-09-09 株式会社アイシン 車両用駆動装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP4443024A4

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2025187138A1 (ja) * 2024-03-05 2025-09-12 ジヤトコ株式会社 ユニット

Also Published As

Publication number Publication date
JP7670232B2 (ja) 2025-04-30
US12338880B2 (en) 2025-06-24
US20250102048A1 (en) 2025-03-27
EP4443024A1 (en) 2024-10-09
JPWO2023190223A1 (https=) 2023-10-05
CN118891459A (zh) 2024-11-01
EP4443024A4 (en) 2025-04-23

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