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:
Oct. 19, 2004
Filed:
Aug. 19, 2002
Applicant:
Inventors:
Tae-Kyun Kim, Hwaseong, KR;
Byung-Kwan Shin, Yongin, KR;
Assignee:
Hyundai Motor Company, Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16H 3/100 ;
U.S. Cl.
CPC ...
F16H 3/100 ;
Abstract
A hydraulic control system, in which a powertrain of a 5-speed automatic transmission is controlled using five clutches and three brakes such that fuel consumption is reduced and engine torque is more efficiently utilized. The hydraulic control system includes four pressure control valves, three switching valves, and three fail-safe valves that are controlled by solenoid valves.