A propeller pitch control system for a turboprop engine of an aircraft includes a negative torque sensor (108), a full feather control valve assembly (110), and a feather valve assembly (112). The feather valve assembly (112) is responsive to fluid pressures from the negative torque sensor (108) and the control valve assembly (110) 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
SYSTEM ZUR STEUERUNG DER PROPELLERSTEIGUNG EINES FLUGZEUG-TURBOPROP-MOTORS MIT EINEM STEUERBAREN SEGELSTELLUNGSVENTIL
SYSTÈME DE COMMANDE DE PAS D'HÉLICE DE MOTEUR À TURBOPROPULSEUR D'AÉRONEF COMPRENANT UNE VALVE DE MISE EN DRAPEAU CONTRÔLABLE
2020-08-12
Patent
Elektronische Ressource
Englisch
IPC: | B64C AEROPLANES , Flugzeuge |
Aircraft turboprop engine propeller pitch control system including a controllable feather valve
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