Aeronautics and astronautics – Spacecraft – With payload accommodation
Patent
1998-07-27
2000-02-22
Swiatek, Robert P.
Aeronautics and astronautics
Spacecraft
With payload accommodation
244158R, B64G 110
Patent
active
060270772
ABSTRACT:
A spacecraft (10) having a cryogenic cooler (24) that maintains different temperatures in thermally insulated and nested enclosures (26, 28, 12). In the coldest enclosure (26), which is maintained, for example, approximately 10.degree. K, low-temperature superconducting (LTS) processors (32, 34) perform bus and payload processing functions at very high speed. The next-coldest enclosure (28) is maintained at approximately 77.degree. K and houses high-temperature superconducting (HTS) electronic modules, such as for power regulation and distribution (40) and a payload sensor processing module (38). The third of the enclosures (12) is maintained at approximately 300.degree. K and houses other modules operating at room temperature, including a transponder (44), power control (46), energy storage (48), a propulsion subsystem (22), a downlink data processing module (49) and the cryogenic cooler (24) itself. Thermal functions of the spacecraft are effectively centralized in the cryogenic cooler (24) and the bus and payload functions of the spacecraft are provided very efficiently in a small, compact an potentially low-cost configuration.
REFERENCES:
patent: 4771971 (1988-09-01), Ludwig et al.
patent: 5086999 (1992-02-01), Mullen
patent: 5518209 (1996-05-01), Chicoine et al.
patent: 5552372 (1996-09-01), Ackermann et al.
Coronel Ramon
Eaton Larry R.
Eller Howard S.
Smith Andrew D.
Spargo John W.
Swiatek Robert P.
Yatsko Michael S.
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