Stop fill valve

Details Stop fill valve Stop fill valve

1984-01-20

1984-11-20

Walton, George L.

Fluid handling

Liquid level responsive or maintaining systems

By float controlled valve

73307, 73317, 116229, 141 95, 141198, 141DIG1, 137425, 137446, 137558, F16K 3120, F16K 3700, F16K 3300

Patent

active

044833679

ABSTRACT:
A direct indicating automatic stop fill valve is mounted to the inlet to an LPG tank whereby inlet ports to the tank volume are covered by a slidably mounted cylinder which is raised through contact with a float/cam arrangement until the tank level reaches a predetermined level. The cylinder is then driven into a sealing position to stop the flow into the tank by a differential pressure force resulting from the inlet pressure being higher than tank fluid pressure. The cylinder also supports a drive magnet for actuating a gauging mechanism to visibly indicate the open or closed status of the stop fill valve.

REFERENCES:
patent: 2634608 (1953-04-01), Sorber
patent: 2697350 (1954-12-01), Sorber
patent: 3339519 (1967-09-01), Taylor et al.
patent: 3688795 (1972-09-01), Taylor
patent: 3756269 (1973-09-01), Brown
patent: 4064907 (1977-12-01), Billington et al.
patent: 4142552 (1979-03-01), Brown et al.
patent: 4313459 (1982-02-01), Mylander

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