Accumulator with check stopper

Details Accumulator with check stopper Accumulator with check stopper

1993-03-11

1994-11-22

Look, Edward K.

Power plants

Pressure fluid source and motor

With control means for structure storing work driving energy

92183, 303 87, 13753311, 138 31, F16D 3102, F01B 3118, F16K 1504

Patent

active

053657365

ABSTRACT:
An accumulator for use in a hydraulic control circuit comprises a check valve for allowing a suction of air into a working fluid pressure chamber from the atmosphere. The check valve includes a valve cylinder integrally formed with a member for defining the working fluid pressure chamber. The check valve includes a check ball movable within a bore of the cylinder, and a ball stopper having an outer peripheral surface formed with mesh-like grooves press fitted into the bore to retain the ball within the bore.

REFERENCES:
patent: 30351 (1860-10-01), Robinson et al.
patent: 2817361 (1957-12-01), Mercier
patent: 3718375 (1973-02-01), Bowler et al.
patent: 3841349 (1974-10-01), Todd
patent: 4281679 (1981-08-01), Stearns
patent: 4969697 (1990-11-01), Lindenman
patent: 5020864 (1991-06-01), Tanaka
patent: 5031969 (1991-07-01), Siegel
patent: 5107890 (1992-04-01), Gute

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