Cryogenic freezer

Details Cryogenic freezer Cryogenic freezer

1979-08-06

1980-10-28

Capossela, Ronald C.

Refrigeration

Liquid contacting discrete commodity

With article conveyer or transporter

62380, F25D 1702

Patent

active

042299470

ABSTRACT:
A cryogenic freezer of the elongated, tunnel-type is disclosed in which a centrally located blower recirculates injected cryogenic refrigerant at extremely high velocities through a pair of minimum size product contact chambers. In one preferred embodiment, the cross-sectional area of the product contact chamber is variable so as to maintain minimum sizes for products of different height.

REFERENCES:
patent: 3403527 (1968-10-01), Berreth et al.
patent: 3553973 (1971-01-01), Moran
patent: 3600901 (1971-08-01), Wagner
patent: 3611745 (1971-10-01), Schlemmer
patent: 3672181 (1972-06-01), Tyree, Jr.
patent: 3708995 (1973-01-01), Berg
patent: 3813895 (1974-06-01), Klee et al.
patent: 3818719 (1974-06-01), Banike
patent: 3824806 (1974-07-01), Wagner
patent: 3892104 (1975-07-01), Klee et al.
patent: 4086784 (1978-05-01), Wagner

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