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. 05, 1991
Filed:
Oct. 09, 1990
Applicant:
Inventors:
Robert A Muchmore, Mason, OH (US);
William H Roth, Centerville, OH (US);
Assignee:
General Motors Corporation, Detroit, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16D / ;
U.S. Cl.
CPC ...
1921062 ; 1921061 ; 192-329 ; 74574 ; 188380 ;
Abstract
A rotary damper is mounted to a clutch pressure plate within a torque converter clutch of an automatic transmission. The rotary damper is tuned to minimize the magnitude of a natural frequency of rotary vibration in a driveline system induced by the engine firing frequency.