Fuel control system for gas turbine engine

Details Fuel control system for gas turbine engine Fuel control system for gas turbine engine

Filed on

1980-11-28

Date issued

1984-01-03

Examiner

Casaregola, Louis J.

Patent Class

Power plants

SubClass

Combustion products used as motive fluid

SubSubClass

Multiple fluid-operated motors

Other Related Categories

60 39281, F02C 310, F02C 928

Type

Patent

Status

active

Patent number

044235925

Description

ABSTRACT:
A fuel control system (11) for a gas turbine engine (10) is disclosed. The proportional control regulates the fuel flow Wf from a hydromechanical unit (36) based upon an error signal E representing the difference between a demanded speed signal Nd and an actual speed signal Ng. The demanded speed signal Nd is generated by an integrator (32) as the time integral of the difference between the demanded signal Nd and a scheduled speed signal Ngs. Additionally, the difference signal is limited between an upper limit Al and a lower limit Dl prior to the integration by a comparator (28) and limited circuit (30).

REFERENCES:
patent: 3006144 (1961-10-01), Arnett et al.
patent: 3152444 (1964-10-01), Peczkowski et al.
patent: 3393691 (1968-07-01), Longstreet et al.
patent: 3587229 (1971-06-01), Peczkowski
patent: 3832846 (1974-09-01), Leeson
patent: 3888078 (1975-06-01), Greune et al.
patent: 3936226 (1976-02-01), Harner et al.
patent: 3956884 (1976-05-01), Eves
patent: 4018044 (1977-04-01), Joby et al.
patent: 4040250 (1977-08-01), Saunders et al.
patent: 4045955 (1977-09-01), Brannstrom et al.
patent: 4100731 (1978-07-01), Janes et al.
patent: 4134257 (1979-01-01), Riple
patent: 4171613 (1979-10-01), Schmidt-Roedenbeck et al.
patent: 4188781 (1980-02-01), Johnson et al.
"SD Series" Controls for Aero-Engines, D. A. Caine, Nov. 1975.
Digital Control for Helicopter Powerplants, D. A. Caine & S. Janik, Nov. 1979.
NDEC, A Control Concept for Helicopter Gas Turbines, D. J. Hawes & R. M. Evans, May, 1980.

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