Hydraulic tensioner with a contoured disc check valve

Fluid handling – Line condition change responsive valves – Direct response valves

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137540, F16K 1500

Patent

active

058197940

ABSTRACT:
A hydraulic tensioner includes a disc check valve having a contoured surface that contacts a valve seat. The disc check valve provides a high frequency response. Additionally, the line contact between the disc and valve seat creates high contact pressure upon closing.

REFERENCES:
patent: 568362 (1896-09-01), MacSpadden
patent: 4543987 (1985-10-01), Ekeleme
patent: 4940447 (1990-07-01), Kawashima et al.
patent: 5314388 (1994-05-01), Susuki
patent: 5346436 (1994-09-01), Hunter et al.
patent: 5700213 (1997-12-01), Simpson

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