2つのエアサイクルマシンを利用する環境制御装置

Japanese Patent JP4906225

B2

An environmental control system and method are provided for conditioning water-vapor compressed air for supply as conditioned air. The environmental control system (8) includes two air cycle machines (9, 10) that rotate independent of each other. The air cycle machine (9) includes a turbine (11) that drives a fan (12), and the air cycle machine (10) includes a turbine (15) that drives a compressor (16). The environmental control system (8) further includes a primary heat exchanger (19) upstream of the compressor (16), a secondary heat exchanger (20) downstream of the compressor (16), are heater (21) downstream of the secondary heat exchanger (20), a condenser (22) downstream of the reheater (21), a water collector (24) downstream of the condenser (22), and three bypass control valves (28, 30, 32). In combination, the turbine (11), reheater (21), condenser (22), and water collector (24) form a dehumidification loop (34) for the environmental control system (8). In one mode of operation, the environmental control system (8) further compresses the compressed air in the compressor (16) and then dehumidifies the further compressed air in the dehumidification loop (34) before expanding the dehumidified further compressed air in the turbine (15) to cool the dehumidified further compressed air and to power the compressor (16) in the absence of rotating engagement between the turbine (15) and the turbine (11).

Hip sky, harold

JP2002517374A

March 28, 2012

July 27, 2001

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HAMILTON SUNDSTRAND CORPORATION

B64D13/08; F25B9/00; B64D13/06

JP2000203496A

WO1997037890A1
US5887445

Tsuyoshi Hashimoto
Tomioka Kiyoshi

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