Transmission bearing noise attenuation device

Details Transmission bearing noise attenuation device Transmission bearing noise attenuation device

2011-03-01

2011-03-01

Johnson, Vicky A (Department: 3656)

Endless belt power transmission systems or components

Pulley with belt-receiving groove formed by drive faces on...

Reexamination Certificate

active

07896764

ABSTRACT:
A transmission noise attenuation device for a bearing assembly of a belt-driven conical-pulley transmission having a chain that serves as an endless torque-transmitting device. A shaft is rotatably supported in a bearing that includes a bearing outer ring with a cylindrical outer surface, wherein the bearing is supported in a bearing housing. At least one cam ring is positioned between the bearing housing inner surface and the bearing outer ring outer surface. The cam ring is elastically deformable to allow limited radial movement between the bearing housing inner surface and the bearing outer ring outer surface.

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