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. 18, 2007
Filed:
Jul. 19, 2005
Applicants:
Francisco Alvarez, Belleville, MI (US);
Charles Poon, Canton, MI (US);
David Pariseau, Royal Oak, MI (US);
Matthew Vance, Dearborn, MI (US);
Craig Smith, Lake Orion, MI (US);
Inventors:
Francisco Alvarez, Belleville, MI (US);
Charles Poon, Canton, MI (US);
David Pariseau, Royal Oak, MI (US);
Matthew Vance, Dearborn, MI (US);
Craig Smith, Lake Orion, MI (US);
Assignee:
Ford Global Technologies, LLC, Dearborn, MI (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F16F 15/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
A torsionally tuned damper assembly for a geared power transmission is disclosed. The damper assembly, at a power output end of a transmission power output shaft, has an inertia ring with a calibrated natural torsional frequency that reduces the resonance energy developed by gear rattle forces at a transmission gear mesh.