A valve arrangement

Details A valve arrangement A valve arrangement

1991-08-09

1994-01-25

Walton, George L.

Fluid handling

Liquid level responsive or maintaining systems

By float controlled valve

137426, 137436, 137437, 137443, 137444, 251126, F16K 3134, F16K 31126

Patent

active

052808033

ABSTRACT:
An hydraulically assisted inlet valve is disclosed having a by-pass passage (32) which is permanently open. Preferably the valve has a valve body (13) reciprocally mounted in the inlet (4) and carried by a diaphragm (23). The by-pass passage preferably extends through the valve body (13) to apply inlet pressure to one side of the diaphragm.

REFERENCES:
patent: 2588555 (1952-03-01), Molloy
patent: 2619122 (1952-11-01), Hunter
patent: 2811169 (1957-10-01), Buchanan
patent: 3459403 (1969-08-01), Royer
patent: 3495803 (1970-02-01), Schoepe et al.
patent: 3534830 (1970-10-01), Kaila
patent: 3554219 (1971-01-01), Hudson
patent: 3907249 (1975-09-01), Persson
patent: 3994313 (1976-11-01), Brandelli
patent: 4072164 (1978-02-01), Kaden
patent: 4258746 (1981-03-01), Hudson
patent: 4596269 (1986-06-01), Stephens
patent: 4613111 (1986-09-01), Paquet et al.

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