US 12,070,993 B2
Vehicle drive device
Tomoyuki Suzuki, Anjo (JP); and Naoya Odashima, Toyota (JP)
Assigned to AISIN CORPORATION, Kariya (JP); and TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota (JP)
Appl. No. 17/273,645
Filed by AISIN CORPORATION, Kariya (JP); and TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota (JP)
PCT Filed Dec. 6, 2019, PCT No. PCT/JP2019/047773
§ 371(c)(1), (2) Date Mar. 4, 2021,
PCT Pub. No. WO2020/188904, PCT Pub. Date Sep. 24, 2020.
Claims priority of application No. 2019-051545 (JP), filed on Mar. 19, 2019.
Prior Publication US 2021/0316602 A1, Oct. 14, 2021
Int. Cl. B60K 1/00 (2006.01); B60L 15/00 (2006.01); H02K 5/20 (2006.01); H02K 7/00 (2006.01)
CPC B60K 1/00 (2013.01) [B60L 15/00 (2013.01); H02K 5/20 (2013.01); H02K 7/006 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A vehicle drive device comprising:
a rotary electric machine that has a cylindrical shape;
an inverter that drivingly controls the rotary electric machine; and
a case for housing the rotary electric machine and the inverter, wherein
the case includes a main body portion and a cover portion,
the main body portion houses the rotary electric machine and at least a part of the inverter,
the cover portion is joined to the main body portion so as to cover an opening portion of the main body portion,
a virtual plane parallel to a tangent plane set on an outer peripheral surface of the rotary electric machine is set as a first reference plane, and a virtual plane parallel to another tangent plane intersecting with the first reference plane is set as a second reference plane,
the inverter includes a cooler, a first unit that is fixed to the cooler via a first mounting surface that is parallel to the first reference plane, and a second unit that is fixed to the cooler via a second mounting surface that is parallel to the second reference plane,
the cooler is fixed to the main body portion, and
a joining plane at which the main body portion and the cover portion are joined is inclined with respect to both the first reference plane and the second reference plane.