Heat exchange – Movable heating or cooling surface – Rotary drum
Patent
1982-10-15
1983-12-13
Davis, Jr., Albert W.
Heat exchange
Movable heating or cooling surface
Rotary drum
165 41, 165 96, F28F 1300
Patent
active
044200358
ABSTRACT:
A variable, thermal control system (10) for regulating the temperature of an exothermic process plant carried aboard an earth orbiting spacecraft is made with a plurality of curved radiator panels (14) arcuately positioned in a circular arrangement to form an open receptacle. A module (12) containing the process is insertable into the receptacle. Heat exchangers (42) having broad exterior surfaces (43) extending axially above the circumference of the module (12) fit within arcuate spacings (18) between adjacent radiator panels (14). Banks of variable conductance heat pipes (24) partially embedded within and thermally coupled to the radiator panels (14) extend across the arcuate spacings (18) and are thermally coupled to broad exterior surfaces (43) of the heat exchangers by flanges (26). Temperature sensors (86) monitor the temperature of process fluid flowing from the module through the heat exchanges. Thermal conduction between the heat exchangers (42) and the radiator panels is regulated by heating a control fluid within the heat pipes to vary the effective thermal length of the heat pipes (24) in inverse proportion to changes in the temperature of the process fluid.
REFERENCES:
patent: 3450195 (1969-06-01), Schnacke
patent: 3517730 (1970-06-01), Wyatt
patent: 3525386 (1970-08-01), Grover
patent: 4162701 (1979-07-01), Ollendorf
Bushnell Robert E.
Davis Jr. Albert W.
Manning John R.
The United States of America as represented by the Administrator
Tresansky John O.
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