Stall detector for gas turbine engine

Details Stall detector for gas turbine engine Stall detector for gas turbine engine

1975-11-19

1978-10-03

Garrett, Robert E.

Power plants

Combustion products used as motive fluid

60 3928R, 60 3929, 60223, F02C 722

Patent

active

041176685

ABSTRACT:
Stall is detected by monitoring the acceleration schedule of the engine's fuel control and an engine operating parameter, either compressor speed, compressor pressure and computing signals indicative of when both the fuel control is on or near the acceleration schedule and when (1) the compressor speed is decaying at a given rate or (2) compressor discharge or burner pressure is decaying at a given rate or (3) the pressure ratio of low compressor discharge to compressor inlet or burner pressure to compressor inlet is at a predetermined low level, an output signal will be manifested.

REFERENCES:
patent: 3172259 (1965-03-01), North
patent: 3395534 (1968-08-01), Owen
patent: 3426322 (1969-02-01), Balo
patent: 3513899 (1970-05-01), Paduch
patent: 3646753 (1972-03-01), Colman
patent: 3688504 (1972-09-01), Hutchinson
patent: 3805517 (1974-04-01), Sewell
patent: 3830055 (1974-08-01), Erlund
patent: 3849021 (1974-11-01), Eastman
patent: 3852958 (1974-12-01), Adams
patent: 3867717 (1975-02-01), Moehring
patent: 3876326 (1975-04-01), Weitz

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