WO2023054363A1 - 車両用駆動装置 - Google Patents
車両用駆動装置 Download PDFInfo
- Publication number
- WO2023054363A1 WO2023054363A1 PCT/JP2022/035952 JP2022035952W WO2023054363A1 WO 2023054363 A1 WO2023054363 A1 WO 2023054363A1 JP 2022035952 W JP2022035952 W JP 2022035952W WO 2023054363 A1 WO2023054363 A1 WO 2023054363A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- power transmission
- transmission mechanism
- parking
- rear direction
- parking gear
- Prior art date
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 241
- 230000005540 biological transmission Effects 0.000 claims abstract description 216
- 238000004891 communication Methods 0.000 claims description 42
- 230000002093 peripheral effect Effects 0.000 description 29
- 230000004308 accommodation Effects 0.000 description 17
- 238000005192 partition Methods 0.000 description 15
- 238000007789 sealing Methods 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 239000008186 active pharmaceutical agent Substances 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 238000009499 grossing Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Images
Classifications
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- 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
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- 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
- F16H57/04—Features relating to lubrication or cooling or heating
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- 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
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/045—Lubricant storage reservoirs, e.g. reservoirs in addition to a gear sump for collecting lubricant in the upper part of a gear case
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2410/00—Constructional features of vehicle sub-units
- B60Y2410/10—Housings
Definitions
- the present invention relates to a vehicular drive device that includes a rotating electric machine that functions as a driving force source for wheels, a parking mechanism, and a case that accommodates them. Regarding.
- Patent Document 1 An example of such a vehicle driving device is disclosed in Patent Document 1 below.
- reference numerals in Patent Document 1 are quoted in parentheses.
- the first power transmission mechanism (30, 41, 42, 45) and the second power transmission mechanism rotate below the reservoir (77) when viewed in the vertical direction. They are arranged side by side in the front-rear direction (horizontal direction in FIG. 2 of Patent Document 1), which is a direction orthogonal to the axial direction of the electric machine. Therefore, it has been difficult to reduce the longitudinal dimension of the vehicle drive device.
- the characteristic configuration of the vehicle drive system is as follows. a rotating electrical machine that functions as a driving force source for the wheels; a first power transmission mechanism that transmits power between the rotating electric machine and the wheels; a parking mechanism; a case that houses the rotating electric machine and the parking mechanism and that houses at least part of the first power transmission mechanism; a reservoir provided inside the case for storing oil,
- the parking mechanism includes a parking gear provided on a rotating member that interlocks with the wheel in the first power transmission mechanism, an engaging member that selectively engages with the parking gear, and a driving force applied to the engaging member.
- the parking gear is arranged coaxially with the rotating electric machine, A direction orthogonal to the axial direction of the rotating electrical machine in a vertical view along the vertical direction is defined as a front-rear direction, the reservoir and the second power transmission mechanism are arranged above the first power transmission mechanism;
- the longitudinal arrangement area of the reservoir, the longitudinal arrangement area of the first power transmission mechanism, and the longitudinal arrangement area of the second power transmission mechanism correspond to the longitudinal arrangement of the rotating electric machine. There is a point where it overlaps with the area.
- the reservoir and the second power transmission mechanism are arranged above the first power transmission mechanism.
- the longitudinal arrangement area of the reservoir, the longitudinal arrangement area of the first power transmission mechanism, and the longitudinal arrangement area of the second power transmission mechanism overlap with the longitudinal arrangement area of the rotary electric machine. Accordingly, in the front-rear direction, it is possible to place the storage portion, the first power transmission mechanism, and the second power transmission mechanism within a region relatively close to the rotation axis of the rotating electric machine. Therefore, even with the configuration including the rotary electric machine and the parking mechanism, the longitudinal dimension of the vehicle drive device can be kept small.
- Sectional view along the axial direction of the vehicle drive device according to the embodiment 1 is a skeleton diagram of a vehicle drive system according to an embodiment
- FIG. 2 is a diagram showing the positional relationship of each element in the vehicle drive system according to the embodiment when viewed in the axial direction
- FIG. 2 is a diagram showing the positional relationship of each element in the vehicle drive system according to the embodiment when viewed from the up-down direction;
- the vehicle drive device 100 includes a rotating electrical machine 1 , a first power transmission mechanism 6 , a parking mechanism 7 and a case 9 .
- the vehicle drive device 100 further includes an inverter device 10 .
- the rotating electric machine 1 functions as a driving force source for the wheels WH (see FIG. 2).
- the rotating electric machine 1 includes a stator 11 and a rotor 12 rotatably supported with respect to the stator 11 .
- the rotary electric machine 1 has a function as a motor (electric motor) that receives power supply and generates power, and a function as a generator (generator) that receives power supply and generates power.
- the rotary electric machine 1 is electrically connected to a power storage device (not shown) such as a battery or a capacitor. Then, the rotating electric machine 1 is powered by the electric power stored in the power storage device to generate a driving force. Further, the rotary electric machine 1 generates power by the driving force transmitted from the wheel WH side, and charges the power storage device.
- the first power transmission mechanism 6 is configured to transmit power between the rotating electric machine 1 and the wheels WH.
- the first power transmission mechanism 6 includes an input member 2 , a pair of output members 3 , a differential gear mechanism 4 and a counter gear mechanism 5 .
- the parking mechanism 7 includes a parking gear 71 provided on a rotating member interlocking with the wheels WH in the first power transmission mechanism 6 .
- the parking gear 71 is provided on the input member 2 .
- the parking gear 71 is arranged on the first axis X1 that is the rotation axis of the rotor 12 . That is, the parking gear 71 is arranged coaxially with the rotary electric machine 1 .
- the input member 2 is also arranged on the first axis X1.
- the pair of output member 3 and differential gear mechanism 4 are arranged on the second axis X2 different from the first axis X1.
- the counter gear mechanism 5 is arranged on the third axis X3 different from the first axis X1 and the second axis X2.
- the axes X1 to X3 are arranged parallel to each other.
- the direction parallel to the axes X1 to X3 is defined as the "axial direction L" of the vehicle drive device 100.
- One side in the axial direction L is referred to as “first axial side L1”
- the other side in the axial direction L is referred to as “second axial side L2”.
- the side on which the rotary electric machine 1 is arranged with respect to the input member 2 is defined as an axial first side L1
- the opposite side is defined as an axial second side L2.
- a direction perpendicular to each of the axes X1 to X3 is defined as a "radial direction R" with respect to each axis.
- first accommodation portion A1 is a space in which the rotating electric machine 1 is accommodated.
- the second accommodation portion A2 is a space in which the input member 2 and the counter gear mechanism 5 are accommodated.
- third accommodation portion A3 is a space in which a pair of the output member 3 and the differential gear mechanism 4 are accommodated.
- fourth accommodation portion A4 is a space in which the inverter device 10 is accommodated.
- the case 9 includes a partition wall portion 91, a first peripheral wall portion 92a, a first side wall portion 92b, a second peripheral wall portion 93a, a second side wall portion 93b, a third peripheral wall portion 94a, and a third peripheral wall portion 94a. It has three side wall portions 94b, a fourth side wall portion 94c, a housing wall portion 95a, and a lid portion 95b.
- the partition wall portion 91 is formed so as to partition the first accommodation portion A1 and the second accommodation portion A2.
- the partition wall portion 91 is formed to extend along the radial direction R. As shown in FIG. That is, the partition wall 91 partitions the first accommodation portion A1 and the second accommodation portion A2 in the axial direction L. As shown in FIG.
- the first peripheral wall portion 92a is formed so as to cover the outer side of the rotary electric machine 1 in the radial direction R.
- the first side wall portion 92b is formed to cover the first axial side L1 of the rotating electric machine 1 .
- the first peripheral wall portion 92a is formed in a tubular shape with an opening on the axial first side L1.
- An opening on the axial first side L1 of the first peripheral wall portion 92a is closed by the first side wall portion 92b.
- a partition wall portion 91 is integrally provided at a portion of the first peripheral wall portion 92a on the second side L2 in the axial direction with respect to the rotary electric machine 1 .
- the second peripheral wall portion 93a is formed so as to cover the outer sides of the input member 2 and the counter gear mechanism 5 in the radial direction R.
- the second side wall portion 93b is formed to cover the input member 2 and the counter gear mechanism 5 on the second axial side L2.
- a second side wall portion 93b is integrally provided at a portion of the second peripheral wall portion 93a on the second side L2 in the axial direction with respect to the input member 2 and the counter gear mechanism 5 .
- the second peripheral wall portion 93a, the second side wall portion 93b, and the fourth side wall portion 94c are integrally formed to constitute the third case portion 9C.
- this 3rd case part 9C is joined to the 1st case part 9A from the axial direction 2nd side L2.
- the opening of the second peripheral wall portion 93a on the first side L1 in the axial direction is closed by the first case portion 9A (the partition wall portion 91).
- the third peripheral wall portion 94a is formed so as to cover the outer side of the pair of output members 3 and the differential gear mechanism 4 in the radial direction R.
- the third side wall portion 94b is formed to cover the first axial side L1 of the differential gear mechanism 4 .
- the fourth side wall portion 94c is formed to cover the second axial side L2 of the differential gear mechanism 4 .
- both the third peripheral wall portion 94a and the third side wall portion 94b are formed integrally with the first case portion 9A.
- the opening of the third peripheral wall portion 94a on the axial second side L2 is closed by the fourth side wall portion 94c.
- the fourth side wall portion 94c is formed integrally with the second peripheral wall portion 93a and the second side wall portion 93b.
- the first accommodating portion A1 is formed by the partition wall portion 91, the first peripheral wall portion 92a, and the first side wall portion 92b. That is, a space surrounded by the partition wall portion 91, the first peripheral wall portion 92a, and the first side wall portion 92b inside the case 9 is formed as the first accommodating portion A1.
- the fourth accommodation portion A4 is formed by the accommodation wall portion 95a and the lid portion 95b. That is, a space surrounded by the housing wall portion 95a and the lid portion 95b inside the case 9 is formed as the fourth housing portion A4.
- the housing wall portion 95a is formed in a tubular shape surrounding the sides of the inverter device 10 .
- the housing wall portion 95a is mounted on the vehicle from the first peripheral wall portion 92a and the second peripheral wall portion 93a so that an opening for taking the inverter device 10 in and out of the fourth housing portion A4 is formed. It extends upward in the state.
- the “vehicle mounted state” refers to a state in which the vehicle drive device 100 is mounted in the vehicle.
- the housing wall portion 95a is formed integrally with the partition wall portion 91, the first peripheral wall portion 92a, the third peripheral wall portion 94a, and the third side wall portion 94b.
- the lid portion 95b is formed so as to block the opening of the accommodation wall portion 95a.
- the lid portion 95b is detachably attached to the housing wall portion 95a.
- the rotating electrical machine 1 is an inner rotor type rotating electrical machine. That is, the stator 11 is arranged outside in the radial direction R with respect to the rotor 12 . Therefore, the stator core 111 is arranged outside in the radial direction R with respect to the rotor core 121 . Further, the rotor shaft 122 is arranged inside in the radial direction R with respect to the rotor core 121 .
- the rotating electrical machine 1 is a rotating field type rotating electrical machine. Therefore, a stator coil is wound around the stator core 111 .
- the stator coil includes a first coil end portion 112 protruding toward the first axial side L1 with respect to the stator core 111 and a second coil end portion protruding toward the second axial side L2 relative to the stator core 111. 113 are wound around the stator core 111 .
- the rotor core 121 is provided with permanent magnets.
- the input member 2 is drivingly connected to the rotor 12 of the rotary electric machine 1 .
- the input member 2 includes an input gear 21 and an input shaft 22 .
- driving connection refers to a state in which two rotating elements are connected so as to be able to transmit a driving force, and the two rotating elements are connected so as to rotate integrally. It includes a state in which two rotating elements are connected so as to be able to transmit driving force via one or more transmission members.
- Such transmission members include various members that transmit rotation at the same speed or at different speeds, such as shafts, gear mechanisms, belts, and chains.
- the transmission member may include an engagement device for selectively transmitting rotation and driving force, such as a friction engagement device and a mesh type engagement device.
- the input gear 21 is connected to the input shaft 22 so as to rotate integrally.
- the input gear 21 is integrally formed with the input shaft 22 .
- the input shaft 22 is connected to the parking gear 71 so as to rotate integrally.
- the input shaft 22 and the parking gear 71 are connected to each other by spline engagement.
- the counter gear mechanism 5 includes a counter input gear 51 that meshes with the input gear 21, a counter output gear 52 that rotates integrally with the counter input gear 51, and a counter shaft 53 that connects the gears 51 and 52 together. I have.
- the counter input gear 51 and the counter output gear 52 are connected via a counter shaft 53 so as to rotate integrally.
- the counter shaft 53 is formed to extend along the third axis X3.
- the counter input gear 51 is connected to the counter shaft 53 by spline engagement.
- the counter output gear 52 is formed integrally with the counter shaft 53 .
- the counter output gear 52 is formed to have a smaller diameter than the counter input gear 51 .
- the counter output gear 52 is arranged such that the arrangement area of the counter output gear 52 in the axial direction L overlaps the arrangement area of the parking gear 71 in the axial direction L. As shown in FIG.
- the differential gear mechanism 4 is configured to distribute the rotation transmitted from the input member 2 side to the pair of output members 3 .
- the differential gear mechanism 4 includes a differential input gear 41 that is an input element of the differential gear mechanism 4 . Therefore, the differential gear mechanism 4 distributes the rotation of the differential input gear 41 to the pair of output members 3 .
- the differential gear mechanism 4 further includes a differential case 42, a pair of pinion gears 43, and a pair of side gears 44.
- both the pair of pinion gears 43 and the pair of side gears 44 are bevel gears.
- the differential case 42 is a hollow member that houses a pair of pinion gears 43 and a pair of side gears 44 .
- the differential case 42 is connected to rotate integrally with the differential input gear 41 .
- the differential input gear 41 is connected to the differential case 42 by bolting.
- the pair of pinion gears 43 are arranged to face each other with a gap in the radial direction R with respect to the second axis X2.
- the pair of pinion gears 43 are attached to a pinion shaft 43a supported so as to rotate integrally with the differential case 42.
- Each of the pair of pinion gears 43 is configured to be rotatable (rotational) about the pinion shaft 43a and rotatable (orbital) about the second axis X2.
- up-down direction V the up-down direction of the vehicle drive device 100 in the vehicle-mounted state
- up-down direction V the upper side and the lower side in the “vertical direction V” are simply referred to as the “upper side” and the “lower side”, respectively.
- a direction perpendicular to the axial direction L when viewed in the vertical direction V is defined as a "front-back direction W".
- One side in the front-rear direction W is defined as “rear side W1”
- front side W2 the other side in the front-rear direction W2".
- the arrangement area of the first power transmission mechanism 6 in the vertical direction V overlaps the arrangement area of the rotary electric machine 1 in the vertical direction V.
- the arrangement regions in the vertical direction V of the input member 2 , the differential gear mechanism 4 , and the counter gear mechanism 5 that constitute the first power transmission mechanism 6 correspond to the vertical directions V of the rotary electric machine 1 . overlaps the placement area of
- the parking mechanism 7 includes an engaging member 72 that selectively engages with the parking gear 71 and a second power transmission mechanism 73 that transmits power to the engaging member 72. ing.
- the second power transmission mechanism 73 includes a transmission shaft 74, a connection member 75, and a pressing member 76.
- the transmission shaft 74 is rotatably supported around the fourth axis X4, which is the axis of the transmission shaft 74.
- the transmission shaft 74 is inserted through a communication hole 9 a that communicates the outside and the inside of the case 9 .
- the fourth axis X4 is arranged along the front-rear direction W.
- the communication hole 9a is formed so as to penetrate the case 9 in the front-rear direction W.
- the communication hole 9a is provided with a seal member for oil-tight sealing between the communication hole 9a and the transmission shaft 74. As shown in FIG.
- the connecting member 75 is a member configured to connect the pressing member 76 and the transmission shaft 74 .
- the connection member 75 is connected to the transmission shaft 74 so as to rotate integrally therewith.
- the connection member 75 also rotatably supports the pressing member 76 .
- the transmission shaft 74 is arranged to pass through the connection member 75 in the front-rear direction W.
- the pressing member 76 is supported by the connection member 75 so as to rotate about an axis along the front-rear direction W that is different from the fourth axis X4 that is the rotation axis of the transmission shaft 74 . Therefore, the pressing member 76 moves along the vertical direction V via the connecting member 75 as the transmission shaft 74 rotates.
- the connection member 75 is a detent lever whose posture is held by a detent spring, and has an uneven portion with which the roller of the detent spring engages.
- the pressing member 76 is a member that presses the pressed portion 721 provided on the engaging member 72 .
- the pressing member 76 includes a connecting portion 761 and a cam portion 762 .
- the connecting portion 761 is rotatably connected to the connecting member 75 .
- the connecting portion 761 is supported by the connecting member 75 while passing through the connecting member 75 in the front-rear direction W. As shown in FIG.
- the cam portion 762 is configured to change the posture of the engaging member 72 along the surface shape of the cam portion 762 .
- the cam portion 762 is arranged below the connecting portion 761 .
- the cam portion 762 is formed so as to extend along the vertical direction V. As shown in FIG.
- the vehicle drive system 100 includes a reservoir 8. As shown in FIG. 3, the vehicle drive system 100 includes a reservoir 8. As shown in FIG. The reservoir 8 is provided inside the case 9 .
- the storage portion 8 is configured to store oil.
- the reservoir 8 includes a first reservoir 81 and a second reservoir 82 arranged below the first reservoir 81 .
- the storage section 8 receives and stores the oil that is raked up by the differential input gear 41, the counter input gear 51, etc., and supplies it to the parts to be supplied (for example, bearings, gear meshing parts, the rotor 12 of the rotary electric machine 1). , first coil end portion 112, second coil end portion 113, etc.).
- the reservoir 8 and the second power transmission mechanism 73 are arranged above the first power transmission mechanism 6 .
- the first reservoir 81 is arranged above the input member 2 and the counter gear mechanism 5 of the first power transmission mechanism 6 .
- the second storage portion 82 is arranged above the input member 2 of the first power transmission mechanism 6 .
- the transmission shaft 74 of the second power transmission mechanism 73 is arranged above the input member 2, the differential gear mechanism 4, and the counter gear mechanism 5 of the first power transmission mechanism 6.
- a connecting member 75 of the second power transmission mechanism 73 is arranged above the input member 2 and the counter gear mechanism 5 of the first power transmission mechanism 6 .
- the pressing member 76 of the second power transmission mechanism 73 is arranged above the input member 2 of the first power transmission mechanism 6 .
- the entire arrangement area of the input member 2 of the first power transmission mechanism 6 in the longitudinal direction W and part of the arrangement area of the counter gear mechanism 5 of the first power transmission mechanism 6 in the longitudinal direction W are overlaps with the arrangement area in the front-rear direction W of .
- the entire arrangement area in the front-rear direction W of the connection member 75 and the pressing member 76 of the second power transmission mechanism 73 and part of the arrangement area in the front-rear direction W of the transmission shaft 74 of the second power transmission mechanism 73 are It overlaps with the arrangement area in the front-rear direction W of the rotating electric machine 1 .
- the vehicle drive system 100 a rotating electrical machine 1 that functions as a driving force source for the wheels WH; a first power transmission mechanism 6 that transmits power between the rotary electric machine 1 and the wheels WH; a parking mechanism 7; a case 9 that houses the rotating electric machine 1 and the parking mechanism 7 and that houses at least part of the first power transmission mechanism 6; A reservoir 8 provided inside the case 9 and storing oil,
- the parking mechanism 7 includes a parking gear 71 provided on a rotating member (here, the input member 2 ) that interlocks with the wheels WH in the first power transmission mechanism 6 , and an engagement that selectively engages with the parking gear 71 .
- the parking gear 71 is arranged coaxially with the rotary electric machine 1
- a direction orthogonal to the axial direction L of the rotary electric machine 1 in a vertical view along the vertical direction V is defined as a front-rear direction W
- the reservoir 8 and the second power transmission mechanism 73 are arranged above the first power transmission mechanism 6,
- the arrangement area of the storage portion 8 in the longitudinal direction W, the arrangement area of the first power transmission mechanism 6 in the longitudinal direction W, and the arrangement area of the second power transmission mechanism 73 in the longitudinal direction W correspond to the arrangement of the rotary electric machine 1 in the longitudinal direction W. area overlaps.
- the reservoir 8 and the second power transmission mechanism 73 are arranged above the first power transmission mechanism 6 .
- the arrangement area of the reservoir 8 in the front-rear direction W, the arrangement area of the first power transmission mechanism 6 in the front-rear direction W, and the arrangement area of the second power transmission mechanism 73 in the front-rear direction W correspond to the front-rear direction W of the rotary electric machine 1. overlaps the placement area of As a result, in the front-rear direction W, the arrangement area of the storage portion 8 and the second power transmission mechanism 73 can be accommodated within an area relatively close to the rotation axis (first axis X1) of the rotary electric machine 1 . Therefore, even with the configuration including the rotary electric machine 1 and the parking mechanism 7, the dimension of the vehicle drive device 100 in the front-rear direction W can be kept small.
- the reservoir 8 is located above the parking gear 71 and overlaps the second power transmission mechanism 73 when viewed in the front-rear direction W along the front-rear direction.
- the storage portion 8 and the second power transmission mechanism 73 can be arranged using the space above the parking gear 71 . Therefore, it is easy to downsize the vehicle drive device 100 .
- the differential gear mechanism 4 and the second power transmission mechanism 73 It is easy to secure an arrangement area for each of the transmission mechanisms 73 .
- the communication hole 9a through which the transmission shaft 74 of the second power transmission mechanism 73 is inserted is arranged so that the arrangement area of the communication hole 9a in the front-rear direction W and the arrangement area of the rotary electric machine 1 in the front-rear direction W overlap. are placed in
- the second power transmission mechanism 73 includes the transmission shaft 74 that is inserted through the communication hole 9a that communicates the outside and the inside of the case 9 and that is rotatably supported around the axis. , The arrangement area of the rotary electric machine 1 in the front-rear direction W and the arrangement area of the communication hole 9a in the front-rear direction W overlap.
- the pressed portion 721 of the engaging member 72 is formed so as to extend along the vertical direction V. That is, the pressed portion 721 is formed to extend along the moving direction of the pressing member 76 . In the example shown in FIG. 3, the pressed portion 721 is arranged between the first axis X1 and the pressing member 76 in the front-rear direction W. As shown in FIG.
- the second power transmission mechanism 73 includes a transmission shaft 74 that is inserted through the communication hole 9a that communicates the outside and the inside of the case 9 and that is rotatably supported around the axis; a pressing member 76 that moves with the rotation of the transmission shaft 74 and presses the pressed portion 721 provided on the engaging member 72, The pressed portion 721 is formed to extend along the moving direction of the pressing member 76 .
- the surface of the cam portion 762 is formed with a first surface 76a, a second surface 76b, and a third surface 76c.
- Each of the first surface 76a and the second surface 76b is formed in a cylindrical shape having an axis along the vertical direction V. As shown in FIG.
- the second surface 76b is arranged below the first surface 76a.
- the second surface 76b has a smaller outer diameter than the first surface 76a.
- the third surface 76c is formed in a truncated cone shape connecting the first surface 76a and the second surface 76b.
- the rotating portion 722 extends upward as it approaches the parking gear 71 from the fifth axis X5.
- the rotating portion 722 is located above the first axis X1, which is the rotation axis of the parking gear 71, from the fifth axis X5 and is positioned forward and backward between the first axis X1 and the pressing member 76. It extends towards the area between the directions W.
- the pressed portion 721 is formed to extend upward from the upper end portion of the rotating portion 722 .
- the engaging portion 723 is formed to engage with the parking gear 71 .
- the engaging portion 723 is arranged above the first axis X ⁇ b>1 that is the rotational axis of the parking gear 71 .
- the engaging portion 723 is formed to protrude from the upper end portion of the rotating portion 722 toward the parking gear 71 .
- the engaging portion 723 is configured to engage with one of a plurality of recesses formed in the parking gear 71 .
- the second power transmission mechanism 73 that transmits power to the engaging member 72 can be easily arranged above the parking gear 71 . Therefore, it is easy to arrange the communication hole 9a through which the transmission shaft 74 of the second power transmission mechanism 73 is inserted at a relatively high position. Therefore, compared to the case where the communication hole 9a is located at a lower position, the sealing structure of the communication hole 9a can be made less susceptible to the influence of oil inside the case 9, water outside the case 9, and the like. It is easy to simplify the structure.
- the parking mechanism 7 further includes a drive source 77 that drives the transmission shaft 74 to rotate.
- the drive source 77 is arranged outside the case 9 .
- the drive source 77 is connected to a portion of the transmission shaft 74 inserted through the communication hole 9 a and exposed to the outside of the case 9 .
- the drive source 77 is an electric motor that rotationally drives the transmission shaft 74 around the fourth axis X4.
- the power of the drive source 77 can appropriately rotate the transmission shaft 74 .
- the work of assembling and removing the driving source 77 can be easily performed.
- the drive source 77 is arranged so as to overlap the second power transmission mechanism 73 when viewed in the front-rear direction W along the front-rear direction.
- the drive source 77 is arranged so as to overlap the transmission shaft 74 and the connection member 75 of the second power transmission mechanism 73 when viewed in the front-rear direction.
- the vehicle drive device 100 is positioned in at least one of the vertical direction V and the axial direction L. can be easily miniaturized.
- the second power transmission mechanism 73 is arranged above the parking gear 71 in this embodiment.
- the second power transmission mechanism 73 is arranged so as to overlap the parking gear 71 when viewed in the vertical direction V.
- the connection member 75 and the pressing member 76 of the second power transmission mechanism 73 are arranged so as to overlap the parking gear 71 when viewed in the vertical direction.
- the second power transmission mechanism 73 is located above the parking gear 71 and overlaps the parking gear 71 when viewed in the vertical direction V. As shown in FIG.
- the vehicle drive device 100 is positioned in at least one of the axial direction L and the longitudinal direction W. can be easily miniaturized.
- the second power transmission mechanism 73 is arranged above the parking gear 71 . Therefore, it is easy to arrange the communication hole 9a through which the transmission shaft 74 of the second power transmission mechanism 73 is inserted at a relatively high position. Therefore, compared to the case where the communication hole 9a is located at a lower position, the sealing structure of the communication hole 9a can be made less susceptible to the influence of oil inside the case 9, water outside the case 9, and the like. It is easy to simplify the structure.
- the configuration in which the transmission shaft 74 is arranged along the front-rear direction W has been described as an example.
- the transmission shaft 74 may be arranged along the vertical direction V or the axial direction L, for example, without being limited to such a configuration.
- the communication hole 9a through which the transmission shaft 74 is inserted is arranged so that the arrangement area of the communication hole 9a in the front-rear direction W and the arrangement area of the rotary electric machine 1 in the front-rear direction W overlap. is preferred.
- the pressing member 76 of the second power transmission mechanism 73 is arranged so as to overlap with the rotary electric machine 1 when viewed in the axial direction L, as an example.
- both the connecting member 75 and the pressing member 76 may overlap with the rotating electric machine 1 when viewed in the axial direction.
- the entire second power transmission mechanism 73 may be configured so as not to overlap the rotary electric machine 1 when viewed in the axial direction.
- the configuration in which the engaging portion 723 of the engaging member 72 is arranged above the first axis X ⁇ b>1 that is the rotational axis of the parking gear 71 has been described as an example. However, without being limited to such a configuration, the engaging portion 723 may be arranged below the first axis X1.
- the fifth axis X5 which is the rotation axis of the engaging member 72, is arranged on the front side W2 with respect to the parking gear 71, as an example.
- the fifth axis X5 may be located above or below the parking gear 71 within a range that overlaps the area in the front-rear direction W where the parking gear 71 is arranged. It is good also as a structure arranged at.
- the vehicle drive device (100) includes: a rotating electric machine (1) functioning as a driving force source for wheels (WH); a first power transmission mechanism (6) that transmits power between the rotating electric machine (1) and the wheel (WH); a parking mechanism (7); a case (9) that houses the rotating electric machine (1) and the parking mechanism (7) and houses at least part of the first power transmission mechanism (6); A reservoir (8) provided inside the case (9) and storing oil,
- the parking mechanism (7) includes a parking gear (71) provided on a rotating member (2) that interlocks with the wheel (WH) in the first power transmission mechanism (6), and a parking gear (71).
- the parking gear (71) is arranged coaxially with the rotating electric machine (1), A direction perpendicular to the axial direction (L) of the rotating electric machine (1) in a vertical view along the vertical direction (V) is defined as a front-rear direction (W),
- the reservoir (8) and the second power transmission mechanism (73) are arranged above the first power transmission mechanism (6),
- the arrangement area in the direction (W) overlaps the arrangement area in the front-rear direction (W) of the rotating electric machine (1).
- the reservoir (8) and the second power transmission mechanism (73) are arranged above the first power transmission mechanism (6). Further, the arrangement area in the longitudinal direction (W) of the reservoir (8), the arrangement area in the longitudinal direction (W) of the first power transmission mechanism (6), and the arrangement area in the longitudinal direction (W) of the second power transmission mechanism (73) The arrangement area of overlaps with the arrangement area of the rotating electric machine (1) in the front-rear direction (W). As a result, in the front-rear direction (W), the arrangement area of the reservoir (8) and the second power transmission mechanism (73) can be accommodated within an area relatively close to the rotation axis (X1) of the rotating electric machine (1). can be done. Therefore, even with the configuration including the rotating electric machine (1) and the parking mechanism (7), the dimension in the front-rear direction (W) of the vehicle drive device (100) can be kept small.
- the storage portion (8) is positioned above the parking gear (71) and overlaps the second power transmission mechanism (73) when viewed in the front-rear direction (W). is preferably placed in
- the second power transmission mechanism (73) is arranged so as to overlap the rotating electric machine (1) when viewed in the axial direction (L).
- the second power transmission mechanism (73) is arranged at a position above the parking gear (71) and overlapping the parking gear (71) when viewed in the vertical direction. be.
- the second power transmission mechanism (73) is arranged above the parking gear (71). Therefore, it is easy to arrange the communication hole (9a) through which the transmission shaft (74) of the second power transmission mechanism (73) is inserted at a relatively high position. Therefore, compared to the case where the communication hole (9a) is located at a lower position, the sealing structure of the communication hole (9a) is less affected by the oil inside the case (9) and the water outside the case (9). , and it is easy to simplify the seal structure.
- the second power transmission mechanism (73) is inserted into a communication hole (9a) that communicates the outside and the inside of the case (9), and is supported by a transmission shaft (74) rotatably around its axis. ), It is preferable that the arrangement area of the rotary electric machine (1) in the front-rear direction (W) and the arrangement area of the communication hole (9a) in the front-rear direction (W) overlap.
- the transmission shaft (74) inserted through the communication hole (9a) is prevented from being arranged side by side with the rotary electric machine (1) in the front-rear direction (W). Therefore, the dimension of the vehicle drive system (100) in the front-rear direction (W) can be kept small.
- the second power transmission mechanism (73) is inserted into a communication hole (9a) that communicates the outside and the inside of the case (9), and is supported by a transmission shaft (74) rotatably around its axis. ), and a pressing member (76) that moves with the rotation of the transmission shaft (74) and presses the pressed portion (721) provided on the engaging member (72), It is preferable that the pressed portion (721) is formed so as to extend along the moving direction of the pressing member (76).
- the second power transmission mechanism (73) is inserted into a communication hole (9a) that communicates the outside and the inside of the case (9), and is supported by a transmission shaft (74) rotatably around its axis. ),
- the parking mechanism (7) further includes a drive source (77) that rotationally drives the transmission shaft (74),
- the drive source (77) is preferably arranged outside the case (9).
- the power of the drive source (77) can appropriately rotate the transmission shaft (74). Further, according to this configuration, the work of assembling and removing the driving source (77) can be easily performed.
- the drive source (77) is arranged so as to overlap the second power transmission mechanism (73) when viewed in the front-rear direction (W).
- the vertical (V) and axial (L) At least one of the above facilitates miniaturization of the vehicle drive device (100).
- the second power transmission mechanism (73) that transmits power to the engaging member (72) can be easily arranged above the parking gear (71). Therefore, it is easy to arrange the communication hole (9a) through which the transmission shaft (74) of the second power transmission mechanism (73) is inserted at a relatively high position. Therefore, compared to the case where the communication hole (9a) is located at a lower position, the sealing structure of the communication hole (9a) is less affected by the oil inside the case (9) and the water outside the case (9). , and it is easy to simplify the seal structure.
- the first power transmission mechanism (6) is an input member (2) drivingly connected to the rotor (12) of the rotating electric machine (1); a pair of output members (3) each drivingly connected to the wheel (WH); a differential gear mechanism (4) for distributing the rotation transmitted from the input member (2) side to the pair of output members (3),
- the differential gear mechanism (4) is arranged on one side in the front-rear direction (W) with respect to the parking gear (71),
- the engagement member (72) is rotatable with respect to the case (9) about a rotation shaft disposed on the other side of the parking gear (71) in the longitudinal direction (W). It is preferred that it is supported.
- the space above the parking gear (71) is widened compared to, for example, a configuration in which the rotation shaft of the engaging member (72) is arranged above the parking gear (71). easy to secure.
- the reservoir (8) is provided above the parking gear (71)
- the size of the vehicle drive device (100) is suppressed from increasing, and the reservoir (8) and the second It becomes easy to arrange the two power transmission mechanisms (73) side by side in the front-rear direction (W).
- the technology according to the present disclosure can be used in a vehicle drive device that includes a rotating electric machine that functions as a driving force source for wheels, a parking mechanism, and a case that accommodates them.
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Abstract
Description
に関する。
車輪の駆動力源として機能する回転電機と、
前記回転電機と前記車輪との間で動力を伝達する第1動力伝達機構と、
パーキング機構と、
前記回転電機及び前記パーキング機構を収容すると共に、前記第1動力伝達機構の少なくとも一部を収容するケースと、
前記ケースの内部に設けられ、油が貯留される貯留部と、を備え、
前記パーキング機構は、前記第1動力伝達機構における前記車輪に連動する回転部材に設けられたパーキングギヤと、前記パーキングギヤに対して選択的に係合する係合部材と、前記係合部材に動力を伝達する第2動力伝達機構と、を備え、
前記パーキングギヤは、前記回転電機と同軸上に配置され、
上下方向に沿う上下方向視で前記回転電機の軸方向に直交する方向を前後方向として、
前記貯留部及び前記第2動力伝達機構が、前記第1動力伝達機構に対して上側に配置され、
前記貯留部の前記前後方向の配置領域、前記第1動力伝達機構の前記前後方向の配置領域、及び前記第2動力伝達機構の前記前後方向の配置領域が、前記回転電機の前記前後方向の配置領域と重なっている点にある。
車輪WHの駆動力源として機能する回転電機1と、
回転電機1と車輪WHとの間で動力を伝達する第1動力伝達機構6と、
パーキング機構7と、
回転電機1及びパーキング機構7を収容すると共に、第1動力伝達機構6の少なくとも一部を収容するケース9と、
ケース9の内部に設けられ、油が貯留される貯留部8と、を備え、
パーキング機構7は、第1動力伝達機構6における車輪WHに連動する回転部材(ここでは、入力部材2)に設けられたパーキングギヤ71と、当該パーキングギヤ71に対して選択的に係合する係合部材72と、当該係合部材72に動力を伝達する第2動力伝達機構73と、を備え、
パーキングギヤ71は、回転電機1と同軸上に配置され、
上下方向Vに沿う上下方向視で回転電機1の軸方向Lに直交する方向を前後方向Wとして、
貯留部8及び第2動力伝達機構73が、第1動力伝達機構6に対して上側に配置され、
貯留部8の前後方向Wの配置領域、第1動力伝達機構6の前後方向Wの配置領域、及び第2動力伝達機構73の前後方向Wの配置領域が、回転電機1の前後方向Wの配置領域と重なっている。
回転電機1のロータ12に駆動連結された入力部材2と、
それぞれが車輪WHに駆動連結される一対の出力部材3と、
入力部材2の側から伝達される回転を一対の出力部材3に分配する差動歯車機構4と、を備え、
差動歯車機構4は、貯留部8に対して前後方向Wにおける第2動力伝達機構73の側とは反対側に配置されている。
回転電機1の前後方向Wの配置領域と、連通孔9aの前後方向Wの配置領域とが重なっている。
被押圧部721は、押圧部材76の移動方向に沿って延在するように形成されている。
回転電機1のロータ12に駆動連結された入力部材2と、
それぞれが車輪WHに駆動連結される一対の出力部材3と、
入力部材2の側から伝達される回転を一対の出力部材3に分配する差動歯車機構4と、を備え、
差動歯車機構4は、パーキングギヤ71に対して前後方向Wの一方側である後側W1に配置され、
係合部材72は、パーキングギヤ71に対して前後方向Wの他方側である前側W2に配置された回動軸を中心として、ケース9に対して回動自在に支持されている。
パーキング機構7は、伝達軸74を回転駆動する駆動源77を更に備え、
駆動源77は、ケース9の外部に配置されている。
また、本構成によれば、駆動源77の組み付け作業及び取り外し作業を容易に行うことができる。
また、本構成によれば、第2動力伝達機構73がパーキングギヤ71に対して上側に配置されている。そのため、第2動力伝達機構73の伝達軸74が挿通された連通孔9aを比較的高い位置に配置し易い。したがって、連通孔9aが低い位置にある場合に比べて、連通孔9aのシール構造がケース9の内部の油やケース9の外部の水等の影響を受け難いようにすることができ、当該シール構造の簡素化を図り易い。
(1)上記の実施形態では、伝達軸74が前後方向Wに沿って配置された構成を例として説明した。しかし、そのような構成に限定されることなく、例えば、伝達軸74が上下方向V又は軸方向Lに沿って配置されていても良い。このような場合であっても、伝達軸74が挿通される連通孔9aは、当該連通孔9aの前後方向Wの配置領域と回転電機1の前後方向Wの配置領域とが重なるように配置されると好適である。
以下では、上記において説明した車両用駆動装置(100)の概要について説明する。
車輪(WH)の駆動力源として機能する回転電機(1)と、
前記回転電機(1)と前記車輪(WH)との間で動力を伝達する第1動力伝達機構(6)と、
パーキング機構(7)と、
前記回転電機(1)及び前記パーキング機構(7)を収容すると共に、前記第1動力伝達機構(6)の少なくとも一部を収容するケース(9)と、
前記ケース(9)の内部に設けられ、油が貯留される貯留部(8)と、を備え、
前記パーキング機構(7)は、前記第1動力伝達機構(6)における前記車輪(WH)に連動する回転部材(2)に設けられたパーキングギヤ(71)と、前記パーキングギヤ(71)に対して選択的に係合する係合部材(72)と、前記係合部材(72)に動力を伝達する第2動力伝達機構(73)と、を備え、
前記パーキングギヤ(71)は、前記回転電機(1)と同軸上に配置され、
上下方向(V)に沿う上下方向視で前記回転電機(1)の軸方向(L)に直交する方向を前後方向(W)として、
前記貯留部(8)及び前記第2動力伝達機構(73)が、前記第1動力伝達機構(6)に対して上側に配置され、
前記貯留部(8)の前記前後方向(W)の配置領域、前記第1動力伝達機構(6)の前記前後方向(W)の配置領域、及び前記第2動力伝達機構(73)の前記前後方向(W)の配置領域が、前記回転電機(1)の前記前後方向(W)の配置領域と重なっている。
前記第1動力伝達機構(6)は、
前記回転電機(1)のロータ(12)に駆動連結された入力部材(2)と、
それぞれが前記車輪(WH)に駆動連結される一対の出力部材(3)と、
前記入力部材(2)の側から伝達される回転を一対の前記出力部材(3)に分配する差動歯車機構(4)と、を備え、
前記差動歯車機構(4)は、前記貯留部(8)に対して前記前後方向(W)における前記第2動力伝達機構(73)の側とは反対側に配置されていると好適である。
また、本構成によれば、第2動力伝達機構(73)がパーキングギヤ(71)に対して上側に配置されている。そのため、第2動力伝達機構(73)の伝達軸(74)が挿通された連通孔(9a)を比較的高い位置に配置し易い。したがって、連通孔(9a)が低い位置にある場合に比べて、連通孔(9a)のシール構造がケース(9)の内部の油やケース(9)の外部の水等の影響を受け難いようにすることができ、当該シール構造の簡素化を図り易い。
前記回転電機(1)の前記前後方向(W)の配置領域と、前記連通孔(9a)の前記前後方向(W)の配置領域とが重なっていると好適である。
前記被押圧部(721)は、前記押圧部材(76)の移動方向に沿って延在するように形成されていると好適である。
前記パーキング機構(7)は、前記伝達軸(74)を回転駆動する駆動源(77)を更に備え、
前記駆動源(77)は、前記ケース(9)の外部に配置されていると好適である。
また、本構成によれば、駆動源(77)の組み付け作業及び取り外し作業を容易に行うことができる。
前記駆動源(77)は、前記前後方向(W)に沿う前後方向視で、前記第2動力伝達機構(73)と重複するように配置されていると好適である。
前記第1動力伝達機構(6)は、
前記回転電機(1)のロータ(12)に駆動連結された入力部材(2)と、
それぞれが前記車輪(WH)に駆動連結される一対の出力部材(3)と、
前記入力部材(2)の側から伝達される回転を一対の前記出力部材(3)に分配する差動歯車機構(4)と、を備え、
前記差動歯車機構(4)は、前記パーキングギヤ(71)に対して前記前後方向(W)の一方側に配置され、
前記係合部材(72)は、前記パーキングギヤ(71)に対して前記前後方向(W)の他方側に配置された回動軸を中心として、前記ケース(9)に対して回動自在に支持されていると好適である。
Claims (11)
- 車輪の駆動力源として機能する回転電機と、
前記回転電機と前記車輪との間で動力を伝達する第1動力伝達機構と、
パーキング機構と、
前記回転電機及び前記パーキング機構を収容すると共に、前記第1動力伝達機構の少なくとも一部を収容するケースと、
前記ケースの内部に設けられ、油が貯留される貯留部と、を備え、
前記パーキング機構は、前記第1動力伝達機構における前記車輪に連動する回転部材に設けられたパーキングギヤと、前記パーキングギヤに対して選択的に係合する係合部材と、前記係合部材に動力を伝達する第2動力伝達機構と、を備え、
前記パーキングギヤは、前記回転電機と同軸上に配置され、
上下方向に沿う上下方向視で前記回転電機の軸方向に直交する方向を前後方向として、
前記貯留部及び前記第2動力伝達機構が、前記第1動力伝達機構に対して上側に配置され、
前記貯留部の前記前後方向の配置領域、前記第1動力伝達機構の前記前後方向の配置領域、及び前記第2動力伝達機構の前記前後方向の配置領域が、前記回転電機の前記前後方向の配置領域と重なっている、車両用駆動装置。 - 前記貯留部は、前記パーキングギヤに対して上側であって、前記前後方向に沿う前後方向視で前記第2動力伝達機構と重複する位置に配置されている、請求項1に記載の車両用駆動装置。
- 前記第1動力伝達機構は、
前記回転電機のロータに駆動連結された入力部材と、
それぞれが前記車輪に駆動連結される一対の出力部材と、
前記入力部材の側から伝達される回転を一対の前記出力部材に分配する差動歯車機構と、を備え、
前記差動歯車機構は、前記貯留部に対して前記前後方向における前記第2動力伝達機構の側とは反対側に配置されている、請求項2に記載の車両用駆動装置。 - 前記第2動力伝達機構は、前記軸方向に沿う軸方向視で、前記回転電機と重複するように配置されている、請求項1から3のいずれか一項に記載の車両用駆動装置。
- 前記第2動力伝達機構は、前記パーキングギヤに対して上側であって、前記上下方向視で前記パーキングギヤと重複する位置に配置されている、請求項1から4のいずれか一項に記載の車両用駆動装置。
- 前記第2動力伝達機構は、前記ケースの外部と内部とを連通する連通孔に挿通されて、軸心回りに回転自在に支持された伝達軸を備え、
前記回転電機の前記前後方向の配置領域と、前記連通孔の前記前後方向の配置領域とが重なっている、請求項1から5のいずれか一項に記載の車両用駆動装置。 - 前記第2動力伝達機構は、前記ケースの外部と内部とを連通する連通孔に挿通されて、軸心回りに回転自在に支持された伝達軸と、前記伝達軸の回転に伴って移動して、前記係合部材に設けられた被押圧部を押圧する押圧部材と、を備え、
前記被押圧部は、前記押圧部材の移動方向に沿って延在するように形成されている、請求項1から6のいずれか一項に記載の車両用駆動装置。 - 前記第2動力伝達機構は、前記ケースの外部と内部とを連通する連通孔に挿通されて、軸心回りに回転自在に支持された伝達軸を備え、
前記パーキング機構は、前記伝達軸を回転駆動する駆動源を更に備え、
前記駆動源は、前記ケースの外部に配置されている、請求項1から7のいずれか一項に記載の車両用駆動装置。 - 前記駆動源は、前記前後方向に沿う前後方向視で、前記第2動力伝達機構と重複するように配置されている、請求項8に記載の車両用駆動装置。
- 前記係合部材は、前記パーキングギヤの回転軸心よりも上側で前記パーキングギヤと係合するように配置されている、請求項1から9のいずれか一項に記載の車両用駆動装置。
- 前記第1動力伝達機構は、
前記回転電機のロータに駆動連結された入力部材と、
それぞれが前記車輪に駆動連結される一対の出力部材と、
前記入力部材の側から伝達される回転を一対の前記出力部材に分配する差動歯車機構と、を備え、
前記差動歯車機構は、前記パーキングギヤに対して前記前後方向の一方側に配置され、
前記係合部材は、前記パーキングギヤに対して前記前後方向の他方側に配置された回動軸を中心として、前記ケースに対して回動自在に支持されている、請求項10に記載の車両用駆動装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP22876229.0A EP4393736A1 (en) | 2021-09-28 | 2022-09-27 | Drive device for vehicle |
CN202280064336.7A CN117999180A (zh) | 2021-09-28 | 2022-09-27 | 车辆用驱动装置 |
Applications Claiming Priority (2)
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JP2009280178A (ja) * | 2008-05-26 | 2009-12-03 | Toyota Motor Corp | パーキングポール、パーキング装置、及びハイブリッド車両 |
WO2011141947A1 (ja) | 2010-05-10 | 2011-11-17 | トヨタ自動車株式会社 | 動力伝達装置のパーキングロック機構 |
WO2019194076A1 (ja) * | 2018-04-06 | 2019-10-10 | 日本電産株式会社 | モータユニット |
JP2020106096A (ja) * | 2018-12-27 | 2020-07-09 | ダイハツ工業株式会社 | 駆動ユニット |
JP2021105423A (ja) * | 2019-12-26 | 2021-07-26 | ダイハツ工業株式会社 | トランスアクスル |
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- 2022-09-27 EP EP22876229.0A patent/EP4393736A1/en active Pending
- 2022-09-27 CN CN202280064336.7A patent/CN117999180A/zh active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2009280178A (ja) * | 2008-05-26 | 2009-12-03 | Toyota Motor Corp | パーキングポール、パーキング装置、及びハイブリッド車両 |
WO2011141947A1 (ja) | 2010-05-10 | 2011-11-17 | トヨタ自動車株式会社 | 動力伝達装置のパーキングロック機構 |
WO2019194076A1 (ja) * | 2018-04-06 | 2019-10-10 | 日本電産株式会社 | モータユニット |
JP2020106096A (ja) * | 2018-12-27 | 2020-07-09 | ダイハツ工業株式会社 | 駆動ユニット |
JP2021105423A (ja) * | 2019-12-26 | 2021-07-26 | ダイハツ工業株式会社 | トランスアクスル |
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