Aircraft air conditioning energy recovery device

Details Aircraft air conditioning energy recovery device Aircraft air conditioning energy recovery device

1999-05-13

2000-04-04

Poon, Peter M.

Aeronautics and astronautics

Miscellaneous

2441185, 244207, 60 3907, B64D 1100, B64C 300, F02C 618

Patent

active

060450886

ABSTRACT:
The aircraft air conditioning energy recovery device exploits the high level energy in relation to the exterior, in the air conditioning air flow required for renewal, and involves the placement of the aircraft outflow valve in a duct through which all the air flows the duct being arranged from the pressurized cabin to the inside of the engine inlet diffuser, through the pylon and in some cases through the wing, with the air-conditioning flow being fed back to the input air flow through multiple openings on the inside wall of the inlet diffuser. The openings or grooves run at a slight angle to the direction of flow to avoid turbulence. The air conditioning input may be introduced through hollow radial guide vanes attached at the front end to the vanes of the first stage of the low-pressure compressor and to the hollow vanes, open at the back, in the first stage or stages of the low-pressure compressor stator where the pressure is lower than that of the cabin air.

REFERENCES:
patent: 2777301 (1957-01-01), Kuhn
patent: 4738416 (1988-04-01), Birbragher
patent: 5482229 (1996-01-01), Asshauer

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