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:
Jun. 07, 1994
Filed:
Nov. 12, 1992
Masuo Kashiwabara, Isesaki, JP;
Japan Electronic Control Systems Co., Ltd., Isesaki, JP;
Abstract
In an automatic transmission provided with a hydraulic lockup clutch which can directly and mechanically engage an input shaft with an output shaft of a torque converter, input torque of the above torque converter is detected and an working oil pressure supplied to said lockup clutch is detected. And a target oil pressure for said lockup clutch is set based on said input torque, supply of the oil pressure is feedback controlled so that an actual working oil pressure gets close to said target oil pressure, and said lockup clutch is controlled to the semi-clutch state.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile