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:
Sep. 05, 2017
Filed:
Mar. 28, 2013
Shenzhen Byd Auto R&d Company Limited, Shenzhen, Guangdong, CN;
Byd Company Limited, Shenzhen, Guangdong, CN;
Junli Zheng, Shenzhen, CN;
Jing Liu, Shenzhen, CN;
Haibin Li, Shenzhen, CN;
Jinchen Lin, Shenzhen, CN;
SHENZHEN BYD AUTO R&D COMPANY LIMITED, Guangdong, CN;
BYD COMPANY LIMITED, Shenzhen, Guangdong, CN;
Abstract
An oil pump is provided. The oil pump comprises a shell, a rotor mounting part on the shell, and a rotor mechanism disposed on the rotor mounting part. The shell has an inlet and an outlet and defines a low-pressure oil chamber and a high-pressure oil chamber therein. A buffer chamber is defined between the low-pressure oil chamber and the high-pressure oil chamber, and a barrier wall is disposed between the buffer chamber and the low-pressure oil chamber. An engine cover comprising the oil pump and an engine comprising the engine cover are also provided.