Combination cryogenic and mechanical freezer apparatus and metho

Details Combination cryogenic and mechanical freezer apparatus and metho Combination cryogenic and mechanical freezer apparatus and metho

1991-05-23

1992-12-15

Capossela, Ronald C.

Refrigeration

Processes

Treating an article

62332, 62381, F25D 1306

Patent

active

051706318

ABSTRACT:
Combined cryogenic and mechanical refrigeration freezer utilizing an open spiral conveyor for transporting food to be frozen through a first cryogenic zone enclosed by a secondary housing and then through a mechanically refrigerated zone subjected to circulating air cooled by mechanical refrigeration and cryogenic vapor from the first cryogenic zone.

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