Hydraulic tensioner having an air vent channel

Details Hydraulic tensioner having an air vent channel Hydraulic tensioner having an air vent channel

1997-05-02

1999-08-10

Jeffery, John A.

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, 474138, 474101, F16H 708

Patent

active

059350318

ABSTRACT:
A hydraulic tensioner having an air vent channel formed within or on its housing is provided. Air that mixes into the fluid chamber discharges from the fluid chamber in the bore to an external attachment surface of the housing. The air vent has a circuitous path from the inner wall surface to the external attachment surface, wherein the air vent has cross-sectional area substantially less than the cross-sectional area for the passage to the fluid chamber.

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