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:
Apr. 22, 1980
Filed:
Oct. 25, 1977
Applicant:
Inventor:
Kazuo Ishikawa, Hoi, JP;
Assignee:
Aisin Seiki Kabushiki Kaisha, Aichi, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B60K / ; B60K / ;
U.S. Cl.
CPC ...
192-0052 ; 192-357 ; 192 / ; 192-0075 ;
Abstract
A clutch control system for a manual transmission comprises a servo cylinder for selectively engaging a clutch engagement mechanism, and a shift valve for connecting a source of oil pressure to the servo cylinder upon shifting of the transmission to operate the servo cylinder and for connecting the servo cylinder to an oil reservoir after shifting of the transmission to release the operation of the servo cylinder. The control system further comprises a thermostatically operated valve associated with the shift valve for controlling the flow of oil discharged from the servo cylinder to the oil reservoir in accordance with changes of the oil temperature.