Hydraulic tensioner with grooved reservoir cover

Details Hydraulic tensioner with grooved reservoir cover Hydraulic tensioner with grooved reservoir cover

1997-03-26

1999-03-23

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

058851798

ABSTRACT:
A hydraulic tensioner that uses a dimpled or grooved section in the cover plate to provide lubrication without the loss of oil pressure. The dimple directs a jet or spray of oil onto the chain as it runs by the tensioner. The cover plate also includes a depression, which extends down into the reservoir to add strength to the cover plate by stiffening.

REFERENCES:
patent: 3964331 (1976-06-01), Oldfield
patent: 4190025 (1980-02-01), Wahl
patent: 4909777 (1990-03-01), Inoue et al.
patent: 5087225 (1992-02-01), Futami et al.
patent: 5181889 (1993-01-01), Maruyama et al.
patent: 5352159 (1994-10-01), Suzuki et al.
patent: 5441457 (1995-08-01), Tsutsumi et al.
patent: 5597367 (1997-01-01), Trzmiel et al.
patent: 5628701 (1997-05-01), Dembosky et al.
patent: 5630767 (1997-05-01), Hirabayashi et al.
EPO Search Report for Application No. EP 98301489.5, dated Jul. 27, 1998.

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