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:
May. 05, 1998
Filed:
Aug. 09, 1996
Applicant:
Inventors:
Edward W Gaughan, Irwin, PA (US);
Vincent F Troiani, New Florence, PA (US);
Assignee:
Westinghouse Air Brake Company, Wilmerding, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60T / ;
U.S. Cl.
CPC ...
303-3 ; 303 15 ;
Abstract
A combined automatic pneumatic and electro-pneumatic brake system for a railroad freight car in which a conventional type ABD control valve device is modified to incorporate a solenoid valve portion at a mounting face from which the manual release valve portion has been removed and where existing passages in the control valve may be accessed in order to utilize the existing car control valve device with only a minimum of modification.