Chain tensioner with damping feature

Details Chain tensioner with damping feature Chain tensioner with damping feature

1997-02-26

1998-08-25

Schoeppel, Roger J.

Endless belt power transmission systems or components

Means for adjusting belt tension or for shifting belt,...

Tension adjuster has surface in sliding contact with belt

474135, F16H 708

Patent

active

057978182

ABSTRACT:
A tensioner capable of controlling strand vibration and motion and reducing noise in a slack strand of a chain assembly includes a flexible shoe, an elongated spring and a resilient damping device. The flexible shoe is pivotally mounted on a tensioner bracket to engage and tension a chain. The elongated spring is inserted in the flexible shoe to apply a tensioning force to the shoe. The resilient damping device is mounted between the tensioner bracket and the spring to limit chain vibration occurring due to valve events and firing pulses of an engine. The damping device is particularly useful in damping vibration in an automotive engine timing drive.

REFERENCES:
patent: 3490302 (1970-01-01), Turner et al.
patent: 4921472 (1990-05-01), Young
patent: 5055088 (1991-10-01), Cradduck et al.
patent: 5266066 (1993-11-01), White
patent: 5286234 (1994-02-01), Young
patent: 5462493 (1995-10-01), Simpson

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