公开(公告)号：US11319971B2

公开(公告)日：2022-05-03

申请号：US17034900

申请日：2020-09-28

Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA ,  AISIN AW CO., LTD.

Inventor： Chunyang Sun ,  Wataru Matsumoto ,  Tomonori Uchida ,  Fumiaki Shigematsu ,  Satoshi Miyanaga

IPC: F04D29/40 ,  F04D27/00 ,  F04D29/06 ,  F04D29/046 ,  B60K6/22

Abstract: A vehicle driving apparatus including: a fluid pump; a rotary member; a bearing supporting the rotary member; a pump cover covering the fluid pump; a relief valve; and a casing storing the fluid pump, the rotary member, the bearing, the pump cover and the relief valve. The casing includes a casing body and a casing cover. The casing cover defines a fluid passage that is in communication with an outlet port of the fluid pump, and includes cylindrical-shaped first and second boss portions. The first boss portion includes a supporting portion supporting the rotary member through the bearing which is fitted in a space radially inside the first boss portion. The second boss portion defines a valve room that is in communication with the fluid passage, with the relief valve being stored in the valve room.