Hydraulic tensioner having a piston with a pressure relief valve

Details Hydraulic tensioner having a piston with a pressure relief valve Hydraulic tensioner having a piston with a pressure relief valve

1997-05-09

1999-03-09

Marmor, Charles 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

474111, F16H 722, F16H 708

Patent

active

058792562

ABSTRACT:
A hydraulic tensioner having a piston with a pressure relief valve and grooved tip. The tensioner includes an oil passage that is formed in the piston, and that opens at the piston tip. The pressure relief valve is located in the oil passage, and the groove that connects to the opening of the oil passage is formed on the face of the piston tip.

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