Fuel control system for a gas turbine engine

Details Fuel control system for a gas turbine engine Fuel control system for a gas turbine engine

1977-10-11

1980-02-12

Garrett, Robert E.

Power plants

Combustion products used as motive fluid

Combined with regulation of power output feature

F02C 904

Patent

active

041876733

ABSTRACT:
A fuel control system for a gas turbine engine has a main metering valve which is positioned by a servo pressure signal controlled by a pilot valve. The pilot valve is responsive to compressor pressures within the engine and also to the operating position of the main metering valve. Response to the main metering valve position is variable in accordance with the difference between desired and actual engine speeds, and is effected by varying the position of a force multiplying roller interposed between the main metering valve and the pilot valve.

REFERENCES:
patent: 2857741 (1958-10-01), Evers
patent: 2926494 (1960-03-01), Farkas
patent: 2935136 (1960-05-01), Wall et al.
patent: 2941601 (1960-06-01), Best
patent: 2959002 (1960-11-01), Best
patent: 3012401 (1961-12-01), Harner
patent: 3084510 (1963-04-01), Marscher
patent: 3187505 (1965-06-01), Plummer
patent: 3196613 (1965-07-01), Porter et al.

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