A propeller pitch control system for a turboprop engine of an aircraft includes a negative torque sensor, a full feather control valve assembly, and a feather valve assembly. The feather valve assembly is responsive to fluid pressures from the negative torque sensor and the control valve assembly to move between a plurality of positions. An engine control unit or a manual user interface can also be used to control the position of the feather.
AIRCRAFT TURBOPROP ENGINE PROPELLER PITCH CONTROL SYSTEM INCLUDING A CONTROLLABLE FEATHER VALVE
SYSTEME DE CONTROLE DU PAS DE L`HELICE DU TURBOPROPULSEUR DE L`AERONEF COMPRENANT UN CLAPET SENSIBLE CONTROLABLE
2020-08-08
Patent
Elektronische Ressource
Englisch
Aircraft turboprop engine propeller pitch control system including a controllable feather valve
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