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:
Jun. 29, 1993
Filed:
Sep. 16, 1991
Applicant:
Inventors:
Robert D Dimsa, Elizabeth, PA (US);
Robert J Jenets, North Huntingdon, PA (US);
Assignee:
Westinghouse Air Brake Company, Wilmerding, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60T / ;
U.S. Cl.
CPC ...
303 15 ; 303 20 ;
Abstract
A microprocessor based, electro-pneumatic brake control system for a locomotive including electro-pneumatic valves operated by a microprocessor for controlling the locomotive brake pressure in parallel with a pneumatic back-up control valve that includes a quick release valve to bail off the locomotive brake. A brake assurance circuit is provided to apply the locomotive brakes through the electro-pneumatic valves in bypass of the microprocessor when a loss of electrical power at the microprocessor occurs.