Method of starting turbine engines

Details Method of starting turbine engines Method of starting turbine engines

1988-10-03

1990-02-06

Casaregola, Louis J.

Power plants

Combustion products used as motive fluid

60 39141, F02C 722, F02C 726

Patent

active

048979945

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: 4027473 (1977-06-01), Baker
patent: 4603548 (1986-08-01), Ishibashi et al.
patent: 4683715 (1987-08-01), Iizuka et al.

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