Method and apparatus for reducing the temperature of articles

Details Method and apparatus for reducing the temperature of articles Method and apparatus for reducing the temperature of articles

1979-07-26

1982-04-20

Capossela, Ronald C.

Refrigeration

Processes

Treating an article

62 64, 62332, 62374, 62380, F25D 1306

Patent

active

043252214

ABSTRACT:
A method of freezing animal carcasses comprises spraying the carcass with liquid nitrogen to produce a chilled outer layer thereby to seal the moisture within the carcass for the dual purpose of maintaining the quality of the meat and preventing the frosting or icing up of the heat exchange coils of a forced draught cooling system utilized subsequently to bring the entirety of the carcass to a desired chilled or frozen condition. Also disclosed is a freezing room including means for liberating a cryogenic liquid into the air stream from the fans of a forced draught cooling system for rapid pull-down of the room temperature.

REFERENCES:
patent: 3458324 (1969-07-01), Kramer
patent: 3507128 (1970-04-01), Murphy et al.
patent: 3805538 (1974-04-01), Fritch, Jr. et al.
patent: 4028774 (1977-06-01), Allan et al.

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