Aisin Corporation

Toyota Jidosha Kabushiki Kaisha

Takayoshi Hanai

Hiroaki Sanji

Nozomu Takahashi

Teppei Yamashita

Takatoshi Katayama

Akitaka Ichikawa

Hiroshi Kawanishi

Shohei Nagata

Marina Hirata

Tsukasa Sakamaki

Wataru Washino

Kazunori Nakajima

Hideki Ishikawa

A drive unit may include a case comprising an electric motor chamber and a gear chamber; an electric motor comprising a rotor housed in the electric motor chamber; a specific gear housed in the gear chamber; lubricant stored in the electric motor chamber and the gear chamber; and a through hole connecting the electric motor chamber and the gear chamber. An opening of the through hole on a gear chamber side may be positioned so as to face a side surface of the specific gear. A region below a center of the specific gear is defined as a lower region, a part of the lower region that is located rearward of a vertical plane passing through a center axis of the specific gear in a rotation direction of the specific gear is defined as a lower rear region, and the opening may be in the lower rear region.

Drive unit

A parking assembly includes a parking gear in a rotary member included in the first power transmission that transmits power between a rotary electric machine and wheels and movable with the wheels, an engagement member selectively engageable with the parking gear, and a second power transmission that transmits power to the engagement member. The parking gear is coaxial with the rotary electric machine. A reservoir and the second power transmission are located above the first power transmission. An area of the reservoir in a front-rear direction, an area of the first power transmission in the front-rear direction, and an area of the second power transmission in the front-rear direction overlap an area of the rotary electric machine in the front-rear direction.

Vehicle drive device

A vehicle drive device includes an axial oil guide passage that receives oil splashed by a differential input gear and dropping from a meshing portion between the differential input gear and a second counter gear and guides the oil in an axial direction along a third axis to a tooth surface of a first counter gear.

Vehicle drive device with an axial oil guide passage

A vehicle drive device includes a first catch tank that stores oil splashed by a differential input gear in response to a rotor rotating in a first rotation direction and stores oil splashed by a first counter gear in response to the rotor rotating in a second rotation direction reverse to the first rotation direction and a second catch tank that stores oil splashed by the first counter gear in response to the rotor rotating in the second rotation direction. The first catch tank and the second catch tank are aligned in a vertical direction and at least partially overlap each other when viewed in the vertical direction. The second catch tank is at a lower position than the first catch tank.

Growing community of inventors

Kariya, Japan

Takayoshi Hanai