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. 20, 1976
Filed:
May. 06, 1974
Applicant:
Inventor:
Frederick D Keady, Arlington, MA (US);
Assignee:
The Weatherhead Company, Cleveland, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F15B / ;
U.S. Cl.
CPC ...
91372 ; 9137 / ;
Abstract
A motor vehicle fluid power circuit is disclosed which includes a constant displacement pump driven by the engine of the vehicle, a control valve, an open center steering valve, a brake booster accumulator, and a closed center brake booster. The entire output of the pump flows through the control valve under all conditions, and the control valve selectively directs the pump output to the steering valve to assist in steering the vehicle or to the brake booster accumulator (which is hydraulically connected to the brake booster) to assist in braking.