Power plants – Combustion products used as motive fluid – Combined with regulation of power output feature
Patent
1984-12-20
1987-04-07
Casaregola, Louis J.
Power plants
Combustion products used as motive fluid
Combined with regulation of power output feature
415 27, F02C 918
Patent
active
046550348
ABSTRACT:
Flexibility in the control of the compressor bleed valve is of the type utilized in a twin spool axial flow engine for preventing compressor surge is manifested by electronically summing an approximated rate of change of burner pressure that has a first order time constant introduced to actual burner pressure and a burner pressure limit that is scheduled as a function of corrected high pressure compressor speed and the altitude of the aircraft. The signal may be treated by a hysteresis circuit to stabilize the bleed valve.
REFERENCES:
patent: 3006145 (1961-10-01), Sobey
patent: 4060980 (1977-12-01), Elsaesser et al.
patent: 4117668 (1978-10-01), Elsaesser et al.
patent: 4164034 (1979-08-01), Glennon et al.
Kenison David F.
Lynn David G.
Casaregola Louis J.
Friedland Norman
United Technologies Corporation
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