Gas turbine engine starting technique and control

Details Gas turbine engine starting technique and control Gas turbine engine starting technique and control

1982-05-26

1984-08-14

Casaregola, Louis J.

Power plants

Combustion products used as motive fluid

Different fluids

60 39281, F02C 726, F02C 928

Patent

active

044648952

ABSTRACT:
The prompt starting of a gas turbine engine is achieved, even when utilizing comparatively poor grade fuel with relatively high viscosity, by modulating the fuel flow between high and low flow rates during the ignition portion of a start schedule. The fuel flow modulation is accomplished by delivering a pulse width modulated control signal to a fuel metering device and modulation is terminated when ignition is verified.

REFERENCES:
patent: 3242367 (1966-12-01), Bauger et al.
patent: 3520133 (1970-07-01), Loft et al.
patent: 3688495 (1972-09-01), Fehler et al.
patent: 4015426 (1977-04-01), Hobo et al.

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