Asymmetrically hydraulically damped drivebelt tensioner for auto

Details Asymmetrically hydraulically damped drivebelt tensioner for auto Asymmetrically hydraulically damped drivebelt tensioner for auto

1997-07-23

1999-07-20

Jeffery, John A.

Endless belt power transmission systems or components

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

Guide roll mounted for movement of its axis along arcuate...

474148, F16H 712

Patent

active

059249471

ABSTRACT:
An accessory belt tensioner for an automotive engine includes a hub adapted to be fixed to an engine, an arm journaled upon the hub, a tensioner pulley mounted upon the arm, a torsion spring interposed between the arm and hub, with the spring serving to resiliently bias the arm and tensioner pulley into contact with an accessory drivebelt, and a rotational fluid damper, incorporated within the hub, for damping the rotational motion of the arm with respect to the hub.

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