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:
Dec. 03, 2002
Filed:
Oct. 30, 2000
Applicant:
Inventors:
Eustathios Ioannides, Zeist, NL;
Henning Hans Wittmeyer, Hilversum, NL;
Assignee:
SKF Engineering & Research Centre B.V., Nieuwegein, NL;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B60B 1/700 ; B60C 7/00 ;
U.S. Cl.
CPC ...
B60B 1/700 ; B60C 7/00 ;
Abstract
A railway vehicle wheel always improve damping characteristics when a thin visco-elastic layer is placed between the tire and the connecting disc or ring. The visco-elastic layer improves damping through shearing action and has a thickness that is lower than that of the tire by an order of magnitude.