Starting of turbine engines

Details Starting of turbine engines Starting of turbine engines

1987-11-23

1990-05-01

Casaregola, Louis J.

Power plants

Combustion products used as motive fluid

Different fluids

60739, F02C 726

Patent

active

049207407

ABSTRACT:
The turbine engine may be started without the use of start injectors by a method including the steps of initiating rotation of a compressor and turbine wheel by applying an external angular accelerating force thereto, introducing fuel through a minority of the fuel injectors employed at about 5-10% of rated engine speed while continuing the application of the accelerating force, introducing fuel through the remainder of the injectors after ignition of the fuel introduced by the prior step and when the engine reaches 15-25% of rated speed while maintaining injection through the minority of injectors, and thereafter modulating fuel flow through all of the injectors to operate the engine in a desired fashion. Also disclosed is a turbine engine practicing the foregoing method.

REFERENCES:
patent: 2984970 (1961-05-01), Bertaux et al.
patent: 3335567 (1967-08-01), Hemsworth
patent: 3613360 (1971-10-01), Howes
patent: 4027473 (1977-06-01), Baker
patent: 4638628 (1987-01-01), Rice
patent: 4649700 (1987-03-01), Gardiner et al.
patent: 4711085 (1987-12-01), Lyons

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