Turbine cooling air modulation apparatus

Details Turbine cooling air modulation apparatus Turbine cooling air modulation apparatus

1979-03-30

1981-10-27

Garrett, Robert E.

Power plants

Combustion products used as motive fluid

With variable oxidizer control

60 3975, 415115, 415116, F02C 718

Patent

active

042965993

ABSTRACT:
The cooling air flowpath for a turbomachine includes a plurality of valves placed in mutually parallel relationship to collectively provide for the modulation of the cooling airflow. Minimum flow requirements are assured while economizing on air to increase efficiency. Any single valve passes only a small portion of the total air so that a valve failure does not appreciably reduce the overall cooling function.

REFERENCES:
patent: 2811833 (1957-11-01), Broffitt
patent: 2951340 (1960-09-01), Howald
patent: 3584458 (1971-06-01), Wetzler
patent: 3663118 (1972-05-01), Johnson
patent: 3966354 (1976-06-01), Patterson
patent: 4213738 (1980-07-01), Williams

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