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:
Sep. 25, 1979
Filed:
Jul. 27, 1977
Applicant:
Inventor:
Keizaburo Usui, Yokohama, JP;
Assignee:
Nissan Motor Company, Limited, Yokohama, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B60K / ; B60K / ;
U.S. Cl.
CPC ...
74863 ; 74864 ; 74866 ; 74869 ;
Abstract
A fluid pressure supply arrangement for the hydraulic control system of an automated countershaft power transmission for an automotive vehicle, wherein a fluid pressure is generated by vacuum supplied through a vacuum cut-off valve and is directed to the hydraulic control system through a pressure cut-off valve, each of the vacuum and pressure cut-off valves being closed when the engine is at rest and simultaneously the gearshift control lever for the power transmission is held free from a manipulative force.
Usui, Keizaburo. (1979). Fluid pressure supply arrangement for fluid operated countershaft power (U.S. Patent No. 4168638). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4168638
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile