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. 19, 1980
Filed:
Sep. 25, 1978
Applicant:
Inventors:
Donald L Dzioba, Frankenmuth, MI (US);
Dennis C Eckhardt, Saginaw, MI (US);
Assignee:
General Motors Corporation, Detroit, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F15B / ; F01B / ;
U.S. Cl.
CPC ...
9137 / ; 92136 ; 74499 ; 7442 / ;
Abstract
Power steering gear with integral rotary valve for directing hydraulic pressure fluid to and from a piston nut and in which a sector gear actuated plunger provides a drag load on piston nut screw so that the valve body will be grounded and the valve spool will be immediately turned relative to the valve body on rotation of the stub shaft before there is lash take-up between the threads of the piston nut and screw which drivingly connect the valve body to the piston nut and sector gear.