Air pump for turbofan fuel control system

Details Air pump for turbofan fuel control system Air pump for turbofan fuel control system

1977-09-01

1980-01-08

Casaregola, Louis J.

Power plants

Reaction motor

Interrelated reaction motors

60 3907, F02K 3904

Patent

active

041821190

ABSTRACT:
This invention relates to apparatus which provides a positive flow of ambient air through the temperature sensor of the fuel control equipment used with a turbofan engine. The temperature sensing element of the fuel control unit is bathed in a continuously fresh sample of ambient air drawn in from the engine inlet by an air-jet pump that is powered by pressurized air bled-off from the bypass fan duct.

REFERENCES:
patent: 3552883 (1971-01-01), Weatherbee

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