Pressurized air chamber in a main freezer for flash freezing

Details Pressurized air chamber in a main freezer for flash freezing Pressurized air chamber in a main freezer for flash freezing

2005-11-29

2005-11-29

Tapolcai, William E. (Department: 3744)

Refrigeration

Gas controller or director

Cooled gas directed relative to cooled enclosure

C062S416000

Reexamination Certificate

active

06968712

ABSTRACT:
A flash freezer and process is described in which a freezer cabinet is configured to be positioned within the refrigerated air compartment of a primary freezer. An internal flash freeze compartment is located within the cabinet next to a plenum which is separated from the flash freeze compartment by a bulkhead. A plurality of first air passage apertures is formed through the bulkhead to permit passage of air between the flash freeze compartment and the plenum. A plurality of second air passage apertures is formed through a cabinet wall opposite to the bulkhead. The air passage apertures are arranged to control passage of refrigerated air under pressure from the refrigerated air compartment to direct a uniform pressurized airflow through the flash freeze compartment and over the articles placed therein.

REFERENCES:
patent: 2305075 (1942-12-01), Gilpin
patent: 4339928 (1982-07-01), Guibert
patent: 5277039 (1994-01-01), Haasis
patent: 5902618 (1999-05-01), Haasis, Jr.
patent: 6073458 (2000-06-01), Kim
patent: 6220049 (2001-04-01), Lajeunesse
patent: 6263693 (2001-07-01), Gladd, Sr.
patent: 6422031 (2002-07-01), Mandel et al.
patent: 2003/0080126 (2003-05-01), Voute et al.
patent: 5-332665 (1993-12-01), None

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