Active spacecraft thermal control system and method

Details Active spacecraft thermal control system and method Active spacecraft thermal control system and method

1997-04-28

1999-09-21

Barefoot, Galen L.

Aeronautics and astronautics

Spacecraft

Attitude control

165 41, B64G 158

Patent

active

059542985

ABSTRACT:
A spacecraft (10) has combined propulsion and active thermal control systems. A propellant storage tank (20) couples to a pressurant storage tank (18). A working fluid (52) resides in the pressurant storage tank (18) and propels propellant when needed while concurrently acting as a thermal working fluid. The working fluid (52) is expanded then routed to selected cooled components (64). After passing by the cooled components (64), the working fluid (52) is compressed and passed by selected heated components (82). A controller (36) monitors temperature sensors (88) and controls valve assemblies (60, 78) to determine the components (64, 82) to which the working fluid (52) is routed.

REFERENCES:
patent: 5005787 (1991-04-01), Cullingford
patent: 5135184 (1992-08-01), Billig
patent: 5236152 (1993-08-01), Lander et al.
patent: 5251852 (1993-10-01), Pulkowski et al.
patent: 5267605 (1993-12-01), Doty et al.
patent: 5305973 (1994-04-01), Shortland et al.
patent: 5419156 (1995-05-01), Sywulka

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