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:
Aug. 15, 1989
Filed:
Sep. 18, 1985
Applicant:
Inventors:
Masao Nishikawa, Tokyo, JP;
Takashi Aoki, Saitama, JP;
Yoichi Sato, Saitama, JP;
Yukihiro Fukuda, Saitama, JP;
Assignee:
Honda Giken Kogyo Kabushiki Kaisha, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B60K / ;
U.S. Cl.
CPC ...
74867 ; 74866 ;
Abstract
An automatic shift transmission for vehicles of the type in which the shifting of speed is automatically effected with a changeover valve having an orifice installed upstream thereof and a pilot type solenoid valve installed downstream thereof. A pressure reducing valve is provided upstream of the orifice. The amount of hydraulic oil consumed through the solenoid valve is possibly reduced.