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:
Nov. 10, 2015
Filed:
Dec. 10, 2013
Hyundai Motor Company, Seoul, KR;
Kia Motors Corporation, Seoul, KR;
Haksung Lee, Whasung-Si, KR;
SangLok Song, Whasung-Si, KR;
Jang Mi Lee, Whasung-Si, KR;
Gyeongcheol Kim, Whasung-Si, KR;
HYUNDAI MOTOR COMPANY, Seoul, KR;
KIA MOTORS CORPORATION, Seoul, KR;
Abstract
An oil pump system and method of a hybrid vehicle stably supplies an operating hydraulic pressure to an automatic transmission using only an electric oil pump. The oil pump system of the hybrid vehicle, which supplies an operating hydraulic pressure to an automatic transmission of the hybrid vehicle, includes: an automatic transmission control unit controlling operation of the automatic transmission; an electric oil pump pumping oil to generate an operating hydraulic pressure which is to be supplied to the automatic transmission; and an oil pump control unit receiving information on a state of the automatic transmission from the automatic transmission control unit and controlling operation of the electric oil pump. The operating hydraulic pressure supplied to the automatic transmission may be generated solely through the electric oil pump which is electrically operated.