Fuel control for controlling helicopter rotor/turbine...

Details Fuel control for controlling helicopter rotor/turbine... Fuel control for controlling helicopter rotor/turbine...

F - Mech Eng,Light,Heat,Weapons

02

C

341/95, 341/38.1

F02C 9/28 (2006.01)

Patent

CA 1202098

Fuel Control For Controlling Helicopter Rotor/Turbine Acceleration Abstract The difference in the speed (54, 56) of a helicopter gas engine (20), free turbine (40) from a reference speed (62, 64) generates (80) a desired acceleration signal (81). The difference (82) in actual turbine acceleration (84, 86) from desired acceleration is integrated (100) to provide an engine fuel command signal (67-73) whenever (88) the speed error signal exceeds (90) a predetermined threshold magnitude.

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