US 12,214,670 B2
Vehicle drive device
Hiroshi Kato, Kariya (JP); Takuyo Maeda, Kariya (JP); Kyosuke Komizo, Kariya (JP); and Shohei Tokoro, Kariya (JP)
Assigned to AISIN CORPORATION, Kariya (JP)
Appl. No. 18/029,444
Filed by AISIN CORPORATION, Aichi (JP)
PCT Filed Dec. 3, 2021, PCT No. PCT/JP2021/044475
§ 371(c)(1), (2) Date Mar. 30, 2023,
PCT Pub. No. WO2022/138072, PCT Pub. Date Jun. 30, 2022.
Claims priority of application No. 2020-217700 (JP), filed on Dec. 25, 2020.
Prior Publication US 2023/0364979 A1, Nov. 16, 2023
Int. Cl. B60K 6/40 (2007.10); B60K 6/365 (2007.10); B60K 6/387 (2007.10); B60K 6/442 (2007.10); B60K 17/16 (2006.01); F16H 3/091 (2006.01); F16H 37/08 (2006.01); B60K 6/52 (2007.10)
CPC B60K 6/40 (2013.01) [B60K 6/365 (2013.01); B60K 6/387 (2013.01); B60K 6/442 (2013.01); B60K 17/165 (2013.01); F16H 37/0806 (2013.01); B60K 6/52 (2013.01); B60Y 2200/92 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A vehicle drive device comprising:
an input member drivingly connected to an internal combustion engine;
an output member drivingly connected to wheels;
a rotary electric machine including a rotor;
a rotary electric machine drive gear drivingly connected to the rotor;
a transmission mechanism including a transmission engagement device configured to switch a state of power transmission;
a distribution differential gear mechanism including a first rotation element drivingly connected to the input member, a second rotation element drivingly connected to the transmission mechanism, and a third rotation element drivingly connected to the rotary electric machine drive gear;
a first distribution output gear connected to the second rotation element so as to rotate integrally with the second rotation element;
a disconnection engagement device configured to connect or disconnect power transmission between the input member and the first rotation element, wherein
the transmission mechanism is configured to transmit rotation transmitted from the distribution differential gear mechanism to the output member,
the distribution differential gear mechanism, the first distribution output gear, and the disconnection engagement device are disposed on a first axis,
the rotary electric machine and the rotary electric machine drive gear are disposed on a second axis different from the first axis,
the transmission engagement device is disposed on a third axis different from the first axis and the second axis,
an axial direction of the rotary electric machine includes a first axial side where the rotary electric machine is disposed with respect to the rotary electric machine drive gear, and a second axial side opposite to the first axial side,
the distribution differential gear mechanism is disposed on the second axial side of the first distribution output gear and the disconnection engagement device, and
the transmission engagement device overlaps the first distribution output gear in a radial view along the radial direction; and
a second distribution output gear connected to the third rotation element so as to rotate integrally with the third rotation element, wherein
the distribution differential gear mechanism is a planetary gear mechanism including a sun gear, a carrier, and a ring gear,
the third rotation element is the ring gear,
the second distribution output gear is disposed on the first axis and on an outer side in a radial direction with respect to the ring gear,
the transmission mechanism includes a first gear disposed on the third axis and meshing with the second distribution output gear, and
the ring gear and the second distribution output gear overlap each other in a radial view along the radial direction.