Method for improving the fuel efficiency of a gas turbine engine

Details Method for improving the fuel efficiency of a gas turbine engine Method for improving the fuel efficiency of a gas turbine engine

1982-08-30

1985-11-05

Casaregola, Louis J.

Power plants

Combustion products used as motive fluid

60 3907, 60736, F02C 608

Patent

active

045505616

ABSTRACT:
An energy recovery system is provided for an aircraft gas turbine engine of the type in which some of the pneumatic energy developed by the engine is made available to support systems such as an environmental control system. In one such energy recovery system, some of the pneumatic energy made available to but not utilized by the support system is utilized to heat the engine fuel immediately prior to the consumption of the fuel by the engine. Some of the recovered energy may also be utilized to heat the fuel in the fuel tanks. Provision is made for multi-engine applications wherein energy recovered from one engine may be utilized by another one of the engines or systems associated therewith.

REFERENCES:
patent: 2637984 (1953-05-01), Bloomberg
patent: 2691274 (1954-10-01), Whitney, Jr.
patent: 3158197 (1964-11-01), Blezard
patent: 3537513 (1970-11-01), Austin et al.
patent: 3547380 (1970-12-01), Kappus et al.
patent: 3623546 (1971-11-01), Banthin et al.
"Preliminary Analysis of Aircraft Fuel Systems for Use with Broadened Specification Jet Fuels," Pasion and Thomas, Final Report, May 1976 (Cover, pp. 3, 31, 45, 46, 47, 59, 61).
"High-Freezing-Point Fuels Used for Aviation Turbine Engines" Friedman, Mar. 1979 (Cover, pp. 6, 8, 9).

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