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. 06, 2018
Filed:
Jun. 20, 2016
Hyundai Motor Company, Seoul, KR;
Kia Motors Corporation, Seoul, KR;
Hyun Ku Lee, Seoul, KR;
Sa Man Hong, Seoul, KR;
Moo Suk Kim, Hwaseong-si, KR;
Jin Seung Lim, Seoul, KR;
Seung Jin Lee, Yongin-si, KR;
HYUNDAI MOTOR COMPANY, Seoul, KR;
KIA MOTORS CORPORATION, Seoul, KR;
Abstract
A method for controlling a line pressure of an automatic transmission, and controlling the line pressure when oil is supplied to elements of the automatic transmission through hydraulic passages and valves of a valve body at the time of initially starting a vehicle includes a line pressure setting operation of setting the line pressure of the automatic transmission to be equal to or lower than a set pressure when a vehicle is initially started, and a line pressure converting operation of converting the line pressure into a pressure equal to or higher than the set pressure when the automatic transmission is operated for shifting or when a set time has lapsed since initial vehicle starting.