Scalable thermal control system for spacecraft mounted...

Details Scalable thermal control system for spacecraft mounted... Scalable thermal control system for spacecraft mounted...

2007-09-18

2007-09-18

Dinh, Tien (Department: 3644)

Aeronautics and astronautics

Spacecraft

With shield or other protective means

Reexamination Certificate

active

10829358

ABSTRACT:
A spacecraft instrument thermal control method and system providing scalable thermal control of on-board instrument temperature. Adapted for a spacecraft with bus supporting instrumentation and thermal radiator panels, cooling is carried out by one or more active coolers, such as cryocoolers, each mounted to the spacecraft at a radiator spatially separated from the instrument, with cold side of the cooler being thermally coupled to an instrument focal plane or other instrument location requiring cryogenic cooling and the warm side coupled to the radiator. A closed loop temperature control system measures the temperature of the controlled portion of the instrument, and adjusts active cooler drive signals to maintain a specified set point temperature.

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