Cooling system for optical port

Details Cooling system for optical port Cooling system for optical port

1996-05-06

1998-07-28

Ford, John K.

Heat exchange

With vehicle feature

165287, 165299, 432237, 244117A, 2441293, F28F 2700, G05D 2312, G05D 2302

Patent

active

057851131

ABSTRACT:
A system for eliminating distortion of optical ports during supersonic flight includes an electrohydraulic pump which is controlled by a potentiometer actuated by expansion and contraction of a gas that acts on a piston which is mounted in a cylinder. The cylinder is mounted in thermal contact with a frame which supports one or more layers of optical glass. The electrohydraulic pump operates to pump cooling fluid into the frame thereby cooling the frame and the optical glass when the gas expands as a result of heating during supersonic flight.

REFERENCES:
patent: 1114246 (1914-10-01), Furber
patent: 2233650 (1941-03-01), Swartz
patent: 3192575 (1965-07-01), Rosenau, Jr. et al.
patent: 3452553 (1969-07-01), Dershin et al.
patent: 4932608 (1990-06-01), Heidish et al.
patent: 5014932 (1991-05-01), Driftmyer
patent: 5257757 (1993-11-01), Paul et al.
patent: 5305973 (1994-04-01), Shortland et al.

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