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:
Mar. 22, 1977
Filed:
Dec. 05, 1975
Applicant:
Inventors:
Hans Gebhardt, Munich, DT;
Franz Prahl, Munich, DT;
Assignee:
Knorr-Bremse GmbH, Munich, DT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16D / ;
U.S. Cl.
CPC ...
188 716 ; 1882 / ; 192 7012 ; 301 / ;
Abstract
A brake disc for railway vehicle disc brakes that can be operated in both directions of rotation has a friction ring traversed by radial cooling ducts formed by a plurality of ribs. A radial impeller is mounted in the space radially inwardly of the friction ring and the impeller has an axial intake and a radial outlet directed toward the cooling air ducts. A plurality of radially oriented blades are provided on the impeller between the intake and outlet.