Climatizing of aircraft

Details Climatizing of aircraft Climatizing of aircraft

1979-08-02

1981-08-18

Capossela, Ronald C.

Refrigeration

Air compressor, cooler and expander type

Motor-type expander

62 89, 62172, 62201, 62430, F25D 900

Patent

active

042839246

ABSTRACT:
An aircraft cabin is climatized by tapping air from the engine compressors and feeding it into the cabin through a loop which includes a compressor, a cooling turbine driving the compressor, and several cooling stages. A second loop, using preferably helium, includes a second compressor and a second turbine, the second compressor being driven by both turbines, and the cooled helium is in heat exchange with another cooling loop which runs through instrument compartments. Discharged cabin air is used to precool the compressed helium.

REFERENCES:
patent: 3177679 (1965-04-01), Quick et al.
patent: 4014179 (1977-03-01), Iles et al.
patent: 4015438 (1977-05-01), Kinsell et al.

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