Supplemental cooling system for avionic equipment

Details Supplemental cooling system for avionic equipment Supplemental cooling system for avionic equipment

1992-09-28

1993-11-16

Wayner, William E.

Refrigeration

Storage of solidified or liquified gas

Spraying of cryogen

622592, 62223, 62332, F17C 702

Patent

active

052612430

ABSTRACT:
A supplemental cooling system is provided for selectively boosting the cooling capacity of a primary cooling system having a cooling duct for feeding cooling air to an electrical device to be cooled. The supplemental cooling system includes a source of cryogenic coolant and a control valve for controlling the amount of cryogenic coolant fed to the cooling duct of the primary cooling system. Also provided is an injection nozzle for injecting the cryogenic coolant into the cooling air duct and a mixer for mixing the cryogenic coolant with the cooling air of the cooling duct so that, as the cryogenic coolant evaporates, the cooling capacity of the primary cooling system is boosted. A controller controls the operation the control valve to regulate the amount of cryogenic coolant released into the cooling duct and thereby set the amount of increased cooling provided.

REFERENCES:
patent: 3109296 (1963-11-01), Williamson et al.
patent: 4481780 (1984-11-01), Delano
patent: 5172555 (1992-12-01), Schmidtke

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