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. 18, 2000
Filed:
Sep. 08, 1999
Applicant:
Inventor:
Bradley J Shaffer, Romney, IN (US);
Assignee:
Caterpillar, Inc., Peoria, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02B / ;
U.S. Cl.
CPC ...
1231921 ; 74574 ;
Abstract
A combined axial and torsional crankshaft vibration damper for reciprocating engines comprising a hub fastened to a crankshaft and a inertia ring connected to the hub by a material that transmits a portion of the vibratory movement of the crankshaft to the inertia ring which tends to continue constant rotational movement and resists the vibrational movement and dampens the axial and torsional vibration of the crankshaft.