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:
Jan. 11, 2005
Filed:
Jul. 26, 2001
Applicants:
Matthew D. Mitsch, Pittsburgh, PA (US);
James M. Varney, North Huntingdon, PA (US);
Inventors:
Matthew D. Mitsch, Pittsburgh, PA (US);
James M. Varney, North Huntingdon, PA (US);
Assignee:
Westinghouse Air Brake Technologies Corporation, Wilmerding, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60G 1152 ;
U.S. Cl.
CPC ...
Abstract
In combination with a railway locomotive brake valve which has an exhaust valve assembly, a spring housing and a range spring, there is a device for providing enhanced damping capabilities. The device minimizes spring oscillation during operation of the locomotive brake valve.