Hydraulic asymmetric damped belt tensioner

Details Hydraulic asymmetric damped belt tensioner Hydraulic asymmetric damped belt tensioner

2006-10-10

2006-10-10

Charles, Marcus (Department: 3682)

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...

C474S134000, C474S109000

Reexamination Certificate

active

07118504

ABSTRACT:
A belt tensioner for a power transmission belt may be provided that operates on an endless path and that utilizes asymmetric motion control. The belt tensioner may have an arm with a belt engaging section and a drum section, a support member for securing the tensioner relative to the belt, where the arm pivots on the support member, and a tension spring that urges the arm to pivot about the support member in a first direction and urges the belt engaging section against the belt with a force to tension the belt. The tensioner also may have a fluid filled chamber inside a portion of the drum section of the arm and a valve pivotally attached to the tensioner so that the valve extends across the fluid containing chamber.

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