The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 18, 2020
Filed:
Feb. 08, 2019
Toyota Jidosha Kabushiki Kaisha, Toyota-shi, Aichi, JP;
Aisin Aw Co., Ltd., Anjo-shi, Aichi, JP;
Eiji Ito, Nisshin, JP;
Kiyonori Takagi, Okazaki, JP;
Kazuki Toya, Anjo, JP;
Yuki Kawamoto, Anjo, JP;
Naoya Jinnai, Anjo, JP;
TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota, JP;
AISIN AW CO., LTD., Aichi, JP;
Abstract
A vehicle drive device comprises: a power transmission mechanism transmitting a drive power from a drive power source to a plurality of wheels; a differential gear mechanism provided in the power transmission mechanism and distributing the drive power input from the drive power source to the plurality of wheels; a casing housing the power transmission mechanism; and an oil pump sucking a lubricating oil stored in the casing, and the device drives the oil pump in conjunction with rotation of the differential gear mechanism. In the device, a catch tank storing the lubricating oil is provided in the casing, an introduction path is formed in the casing for introducing the lubricating oil scooped up by the differential gear mechanism during backward running of a vehicle into the catch tank, and a discharge oil passage connected to a discharge port of the oil pump is connected to the catch tank.