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.

Date of Patent:
Mar. 20, 1979

Filed:

Sep. 30, 1977
Applicant:
Inventors:

Richard C Bueler, Des Peres, MO (US);

Dennis M McWilliams, Florissant, MO (US);

Assignee:

Wagner Electric Corporation, St. Louis, MO (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60T / ; B60T / ; B60T / ;
U.S. Cl.
CPC ...
303118 ; 303-7 ; 303 40 ; 303 52 ;
Abstract

A dual relay valve for controlling the supply of fluid pressure to two sets of brakes is operated by a single source of control fluid pressure. A solenoid-operated valve, controlled by a skid-control logic circuit isolates and vents the control fluid pressure upon detection of skid conditions.


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