High efficiency air cycle air conditioning system

Details High efficiency air cycle air conditioning system High efficiency air cycle air conditioning system

1983-12-09

1985-08-20

Capossela, Ronald C.

Refrigeration

Air compressor, cooler and expander type

Motor-type expander

62434, F25D 900

Patent

active

045356068

ABSTRACT:
A high efficiency air cycle air conditioning system (10), driven and charged by a gas turbine engine (15), operates in a closed-loop, Brayton cycle. The system includes a main (bootstrap) compressor (75) discharging to a sink heat exchanger (85) which in turn discharges to a regenerative heat exchanger (110). Air is ducted from the regenerative heat exchanger to an expansion turbine (120) where the air is chilled and then ducted to load (20). Air exhausted from the load is again ducted through the regenerative heat exchanger where the load exhaust air precools turbine inlet air. The capacity (operating pressures) of, and input power to the system are controlled by modulation of charge air provided to the system from the gas turbine engine and if desired, may be further controlled by selective bleeding of air from the system, selective bypassing of the system turbine with refrigerant, or modulation of shaft input power to the main compressor.

REFERENCES:
patent: 2772621 (1956-12-01), Arnoldi
patent: 2966047 (1960-12-01), De Paravicini
patent: 3277658 (1966-10-01), Leonard, Jr.
patent: 3355903 (1967-12-01), LaFleur
patent: 3367125 (1968-02-01), McGrath
patent: 3494145 (1970-02-01), Davis et al.
patent: 3868827 (1975-03-01), Linhardt et al.
patent: 4127011 (1978-11-01), Giles et al.

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