Dump valve assembly

Details Dump valve assembly Dump valve assembly

1987-06-17

1988-08-30

Walton, George L.

Fluid handling

Freeze condition responsive safety systems

Low temperature responsive drains

123 415, 237 80, E03B 710, F16L 5507

Patent

active

047669250

ABSTRACT:
Dump valve assembly for a cooling system in which the coolant is water without antifreeze, the system having a compressed air-operated dump valve supplied with operating air from a special reservoir charged through a check valve with compressed air from an associated compressed air system and, under emergency conditions when the associated compressed air system is shut down, automatically operating the dump valve by discharging compressed air thereto under control of a temperature responsive solenoid-actuated valve.

REFERENCES:
patent: 1028808 (1912-06-01), Campbell
patent: 2032670 (1936-03-01), Simmen
patent: 2408183 (1946-09-01), Wood
patent: 2597061 (1952-05-01), Burich
patent: 2688460 (1954-09-01), Borgerd
patent: 2887126 (1959-05-01), Frantz
patent: 3621907 (1971-11-01), Ephraim, Jr.
patent: 4065096 (1977-12-01), Frantz et al.
patent: 4126108 (1978-11-01), Christensen
patent: 4231384 (1980-11-01), Christensen
patent: 4232696 (1980-11-01), Burris et al.

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