Hydraulic tensioner with modular inlet check valve with pressure

Details Hydraulic tensioner with modular inlet check valve with pressure Hydraulic tensioner with modular inlet check valve with pressure

1997-01-23

1998-01-13

Schoeppel, Roger J.

Endless belt power transmission systems or components

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

Tension adjuster or shifter driven by electrical or fluid motor

474135, F16H 708

Patent

active

057073090

ABSTRACT:
A hydraulic tensioner for a wrapped power transmission device designed to minimize the amount of air present in the pressure chamber. The hydraulic tensioner includes a combination pressure relief-check valve for use with a hollow piston pressure chamber containing a spring within the pressure chamber to bias the piston outward from the bore. The valve housing is designed to reduce the volume of fluid contained within the pressure chamber minimizing the amount of air which may become trapped in the pressure chamber thus improving the performance of the tensioner.

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