Temperature actuated valve and phase separation method

Details Temperature actuated valve and phase separation method Temperature actuated valve and phase separation method

1981-12-07

1984-04-10

Capossela, Ronald C.

Refrigeration

Storage of solidified or liquified gas

Including cryostat

62 52, 62 63, 165 40, 236 93R, 236102, F17C 702

Patent

active

044413270

ABSTRACT:
The temperature actuated valve comprises a thermally more sensitive valve stem than the valve housing. The stem expands at a faster rate and causes vapor entering the valve to be gradually vented through an orifice of gradually increasing area as the temperature of the gas increases. It has application as a cryogenic phase separator valve which allows any cryogen vaporized in a cryogen delivery system to be automatically vented from the valve and to allow for an even flow of liquid to the spray nozzles and onto products of cryogenic freezing tunnels.

REFERENCES:
patent: Re28712 (1976-02-01), Klee
patent: 3403527 (1968-10-01), Berreth et al.
patent: 3427820 (1969-02-01), Hart
patent: 3583171 (1971-06-01), Flynn et al.
patent: 3613386 (1971-10-01), Klee et al.
patent: 3813895 (1974-06-01), Klee et al.
patent: 3845635 (1974-11-01), Perkins et al.
patent: 3892104 (1975-07-01), Klee et al.
patent: 4002039 (1977-01-01), Cramer et al.
patent: 4171625 (1979-10-01), Morgan et al.

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