Fluid handling – Diverse fluid containing pressure systems – Gas pressure storage over or displacement of liquid
Patent
1980-02-25
1981-11-24
Schwadron, Martin P.
Fluid handling
Diverse fluid containing pressure systems
Gas pressure storage over or displacement of liquid
137192, 137397, 137430, 138 26, 138 30, 222 67, B67D 554, F16K 2116, F16K 3118
Patent
active
043018270
ABSTRACT:
A guided-float accumulator suitable for use with a hydraulic system for an oil well blowout preventer is provided with a wing shut-off valve. Radially inwardly directed outlet parts are aimed at the bottom of the valve wing to generate unbalanced reaction forces which oppose the bernoulli effect forces caused by rapid movement of fluid through the chamber of the shut-off valve, thus preventing premature closing of the valve.
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patent: 1536686 (1925-05-01), Mullen et al.
patent: 2616453 (1952-11-01), Green
patent: 2731038 (1956-01-01), Purcell
patent: 3593746 (1971-07-01), Allewitz
patent: 3782418 (1974-01-01), Zahid
patent: 4080996 (1978-03-01), Zahid
patent: 4112978 (1978-09-01), Olbrich et al.
Murthy Rajam R.
Rice Billy J.
Koomey, Inc.
Schwadron Martin P.
Walton G. L.
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