Method and device for sequentially spraying a cryogenic liquid,

Refrigeration – Processes – Treating an article

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62 521, 62374, F17C 1702

Patent

active

060704160

ABSTRACT:
Method of sequentially spraying a cryogenic liquid comprising sequentially applying a dose of a propellant gas to a dose of the cryogenic liquid and sequentially spraying this liquid, the pressure of the propellant gas being greater than that of the cryogenic liquid.

REFERENCES:
patent: 4075869 (1978-02-01), Fitsall
patent: 4745762 (1988-05-01), Taylor
patent: 5011633 (1991-04-01), Neefe
patent: 5035750 (1991-07-01), Tada et al.
patent: 5261243 (1993-11-01), Dunsmore
patent: 5394704 (1995-03-01), Johnson
Copy of EP Search Report No. 98 40 1638 dated Nov. 11, 1998.
Gromley, T.R., "A Laboratory Scale Liquid Nitrogen Freezer," Irish Journal of Agricultural Research, vol. 14, No. 2, 1975, 214-217.

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