Variable flow capacity gas turbine engine for improved part load

Details Variable flow capacity gas turbine engine for improved part load Variable flow capacity gas turbine engine for improved part load

1976-10-15

1979-03-27

Casaregola, Louis J.

Power plants

Combustion products used as motive fluid

60 3925, F02C 904, F02C 902

Patent

active

041458753

ABSTRACT:
A gas turbine engine includes a compressor having a plurality of fixed diffuser passages therein each including a gate and associated cam ring control means for operating each of the gates either open or closed to vary the gas flow through the compressor diffuser for turbine engine control; the gas turbine engine further includes a turbine section having a plurality of turbine nozzle passages each having a separate gate therein selectively operated under the control of cam ring means to vary the amount of motive fluid to the turbine in accordance with desired engine operation and wherein each of the gates are operative with respect to either the diffuser or the nozzle passages to change the area of gas flow therethrough by blocking some or all of the channels without resultant change in incident angle of the gas flow with respect to the inlet of each of the passages.

REFERENCES:
patent: 3025668 (1962-03-01), Mock
patent: 3255586 (1966-06-01), Hennig
patent: 3797230 (1974-03-01), Amann
patent: 3899886 (1975-08-01), Swick
patent: 3981140 (1976-09-01), Lunsford

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