Fuel system pneumatic purge apparatus and method

Details Fuel system pneumatic purge apparatus and method Fuel system pneumatic purge apparatus and method

1975-11-21

1977-08-16

Gordon, Clarence R.

Power plants

Combustion products used as motive fluid

60 3909F, 60 3928R, 60 3929, 137101, 60 3909D, F02C 722, F02C 912, F02C 726

Patent

active

040416950

ABSTRACT:
A pneumatic purge system retrofittable upon existing gas turbine engines which includes an accumulator for storing pressurized gas at the maximum pressure developed by the compressor of the turbine engine. Upon actuating a solenoid fuel shutoff valve to initiate engine shutdown, stored gas from the accumulator flows into the fuel manifold to purge fuel therefrom into the combustion chamber. Timing of the pneumatic purging sustains the combustion process to burn substantially all the purged fuel.

REFERENCES:
patent: 2551241 (1951-05-01), Buckland
patent: 2814180 (1957-11-01), Hession
patent: 2818110 (1957-12-01), Rulseh
patent: 3107489 (1963-10-01), Palfreyman
patent: 3344602 (1967-10-01), Davies
patent: 3498056 (1970-03-01), Avery

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