Electronic fuel control for a gas turbine engine

Details Electronic fuel control for a gas turbine engine Electronic fuel control for a gas turbine engine

1975-07-07

1977-04-19

Freeh, William L.

Power plants

Combustion products used as motive fluid

Multiple fluid-operated motors

60 3928R, F02C 904

Patent

active

040180441

ABSTRACT:
An electronic fuel control for a gas turbine engine having a gas generator and a separate power turbine includes gas generator and power turbine actual speed transducers, gas generator and power turbine desired speed signal generators, error amplifiers connected to the respective transducers and generators, a "low wins" gate for selecting the lower error, an acceleration control limiter passing the selected signal from the gate to an integrator and an output difference amplifier producing an output signal determined by the difference between the integrator output and that of the gas generator transducer to control the fuel flow to the engine.

REFERENCES:
patent: 3098356 (1963-07-01), Joline
patent: 3421317 (1969-01-01), Bedford
patent: 3523423 (1970-04-01), Young
patent: 3606754 (1971-09-01), White
patent: 3638422 (1972-02-01), Loft et al.

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