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. 09, 1985
Filed:
Nov. 18, 1981
Applicant:
Inventors:
Koji Sumiya, Aichi, JP;
Kojiro Kuramochi, Aichi, JP;
Assignees:
Aisin Warner Kabushiki Kaisha, Anjo, JP;
Toyota Jidosha Kogyo Kabushiki Kaisha, Toyota, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B60K / ;
U.S. Cl.
CPC ...
74869 ; 74869 ; 74863 ;
Abstract
In a hydraulic control system for an automatic transmission for vehicles having a pump being driven by the engine of the vehicle for generating a pressure of pressurized fluid in the hydraulic control system, and a pressure regulator valve for regulating the pressure of pressurized fluid supplied from the pump in keeping with an input signal pressure varying in accordance with the cruising condition of the vehicle, a pressure relief valve is provided in the input fluid passage of the regulator valve for relieving the pressure when the input signal pressure exceeds a predetermined level.