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:
Nov. 24, 1998
Filed:
Mar. 24, 1997
Applicant:
Inventors:
Ulrich Rohs, Duren, DE;
Dietmar Heidingsfeld, Aachen, DE;
Assignee:
Patentverwertungsgesellschaft Rohs Voigt mbh, Duren, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16D / ; F16F / ;
U.S. Cl.
CPC ...
464 68 ; 464-1 ; 192201 ; 1922141 ;
Abstract
A torsional oscillation damper includes a primary part resiliently secured via tangential compression springs to a secondary part mounted on a driven member. Provided between the primary part and the secondary part is a friction unit which is so acted upon by a rotating actuator that the value of friction decreases with increasing speed.