Integrated auxiliary power and environmental control unit

Details Integrated auxiliary power and environmental control unit Integrated auxiliary power and environmental control unit

1982-09-23

1985-05-07

Casaregola, Louis J.

Power plants

Combustion products used as motive fluid

60 3915, 60 39183, F02C 608

Patent

active

045149763

ABSTRACT:
An integrated auxiliary power unit and environmental control unit for an airplane 2, said integrated unit 2 comprising a prime mover 4, a variable geometry compressor 22 operable selectably by bleed air from the propulsion engine of said airplane or connectable via an overrunning clutch 18 to said prime mover, a controlled emission turbine 24 which is shaft-coupled to said compressor 22 and cooperating with said compressor to form an environmental control unit, and means for diverting a portion of the output of said compressor for use as an auxiliary power unit.

REFERENCES:
patent: 2777301 (1957-01-01), Kuhn
patent: 3101926 (1963-08-01), Weber
patent: 3799694 (1974-03-01), Duzan
patent: 3965673 (1976-06-01), Friedrich
patent: 4091613 (1978-05-01), Young

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