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:
Jul. 20, 1982
Filed:
Oct. 27, 1978
Applicant:
Inventor:
Robert C Bremer, Jr, Brownsburg, IN (US);
Assignee:
Wallace Murray Corporation, New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16F / ; F16F / ;
U.S. Cl.
CPC ...
74574 ; 7457 / ; 74604 ;
Abstract
A torsional vibration damper of the type having an inertia ring secured to a hub, the hub being coupled to the crankshaft of an internal combustion engine. Elastomer members are sandwiched between the hub and inertia ring. The improvement of this invention relates to a radially inwardly extending tongue carried by the inertia ring, a portion of which is sandwiched by the elastomer members. A viscous shear liquid is carried by an annular internal cavity of the hub, the radially innermost portion of the tongue immersed in the shear liquid.