Expandable radiator

Details Expandable radiator Expandable radiator

1988-10-11

1989-06-27

Davis, Jr., Albert W.

Heat exchange

With vehicle feature

165 46, 16510426, 244158R, B64G 150, F28D 1502

Patent

active

048420450

ABSTRACT:
An expandable heat rejection system for radiating heat from a source of heat on a spacecraft or like vehicle is described and comprises a fluid heat exchange medium in operative circulating heat exchange relationship with the source for absorbing heat by evaporation of a liquid phase or the medium, an elongate inflatable sleeve defining an expandable and collapsible volume closed at a first end and including an inlet and outlet at a second end and further defining a condensation surface on the inner surface of the sleeve and a heat radiating surface on the outer surface of the sleeve, a reel attachable to the vehicle and operatively attached to the first end of the sleeve for selectively winding and unwinding the sleeve in response to pressure generated within the system.

REFERENCES:
patent: 3169379 (1965-02-01), Black
patent: 3417942 (1968-12-01), Van Alstyne
patent: 3496995 (1970-02-01), Rosen et al.
patent: 3931532 (1976-01-01), Byrd
patent: 4212347 (1980-07-01), Eastman
patent: 4313492 (1982-02-01), Andros et al.
patent: 4402358 (1983-09-01), Wolf
patent: 4727932 (1988-03-01), Mahefbey

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