Fuel control system

Details Fuel control system Fuel control system

1984-09-19

1995-11-07

Walsh, Donald P.

Power plants

Combustion products used as motive fluid

60 3906, 60 3948, 60741, 60742, F02C 900

Patent

active

054638631

ABSTRACT:
A fuel control system for a gas turbine aero engine comprises a first metering valve 22 which is controlled by a feed back loop 43 in flow series with a manually operated metering valve 34. A pressure drop regulator 31, 39 regulates the pressure drop across the series connected valves 22, 34. In this way response of the control system is directly influenced by movement of the manual valve 34 and the automatic valve 22 stabilizes the fuel flow rate in response to monitored operating parameters of the engine.

REFERENCES:
patent: 3121456 (1964-02-01), McCathron et al.
patent: 4337616 (1982-07-01), Downing

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