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:
Jan. 03, 1989
Filed:
Jul. 20, 1987
Applicant:
Inventors:
Kohei Ohsono, Saitama, JP;
Yoshihisa Iwatsuka, Sizuoka, JP;
Assignee:
Honda Giken Kogyo Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16H / ;
U.S. Cl.
CPC ...
474 28 ; 74868 ;
Abstract
A hydraulic control system for a stepless belt and pulley transmission in which the sides of the pulleys are movable by hydraulic pressure to vary the position of the belt and thereby the transmission ratio and belt tension. The control system comprises control valves including servo mechanisms for controlling the supply of operating fluid to the pulleys during various phases of system operation.