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US 2005/0215331 A1Published application
Self dampening rotary shaft
AssigneeGKN Driveline North America, Inc.
InventorCraig Campbell
Life of this patent
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Abstract
A rotary shaft includes internal self-dampening means for absorbing rotational energy generated by the rear axle and/or clutch of a motor vehicle.
Claims21
A rotary shaft for use in the drive line of a motor vehicle, the shaft comprising internal dampening means to absorb vibration energy of the rotary shaft and increase the resonant frequency of bending of the shaft.
A shaft for use in a motor vehicle, said shaft including;
- a tube-like section;
- and
- a ceramic insert arranged on or near a surface of said tube section, said ceramic insert increases the resonant frequency of the shaft.
Dependencies are inferred from the claim text.