Patent ID: 7549927
Filing Date: 2009-06-23
Classification: F16C,F16F,Y10T

Abstract:
1. A tunable damper for a torque transferring assembly having a tubular shaft including an inner surface defining an elongated cavity, the damper being cylindrical in shape and comprising: an input channeling portion and an output channeling portion, each channeling portion formed from a first predetermined foam material having a first density and a diameter sufficient for providing a resilient bias force against the inner surface of the tubular shaft; and at least one absorber formed from a second predetermined foam material having a second density different from the first predetermined foam material and first density, respectively, the at least one absorber positioned between the input and output channeling portions for attenuating a first predetermined range of frequencies of noise produced or transmitted by the torque transferring assembly, wherein the diameter of the input and output channeling portions is larger than a diameter of the at least one absorber.