Device for cooling a detector, particularly in an optical seeker

Details Device for cooling a detector, particularly in an optical seeker Device for cooling a detector, particularly in an optical seeker

1987-04-02

1988-06-14

Capossela, Ronald C.

Refrigeration

Refrigeration producer

Evaporator, e.g., heat exchanger

62216, F25B 1900

Patent

active

047503386

ABSTRACT:
A detector (24) in an optical seeker is cooled by means of the Joule-Thomson effect by expansion of pressurized gas. The pressurized gas is generated by a compressor (10) and is guided through a molecular filter (18) to the cooling device (22). The molecular filter (18) adsorbs disturbing components of the pressurized gas. In order to regenerate the molecular filter (18) a gas flow is periodically guided in opposite direction from a storage vessel (30) through the molecular filter (18) to an outlet. In normal operation the molecular filter (18) is cooled by Peltier elements (38). During the regeneration it is heated.

REFERENCES:
patent: 3225517 (1965-12-01), Wachsmith
patent: 3367120 (1968-02-01), Franklin
patent: 3488971 (1970-01-01), Meckler
patent: 4080802 (1978-03-01), Annable
Kaltetechnik: 15th Yr., No. 5 (1963), pp. 137-143.
"Linde-Berichte Aus Technik und Wissenschaft," No. 57 (1985), pp. 48-51.
Ullmanns Enzykopadie der Technischen Chemie, vol. 2 (1972), p. 610.

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