A device for feeding fluid to a hydraulic actuator for controlling a pitch of fan blades of a two-propeller turboprop, the device including: a fluid manifold secured to a rotor of the turboprop and including a cylindrical portion including at least two fluid-circulation grooves, each presenting an outlet orifice; a fluid-admission support secured to a stationary portion of the turboprop and including a cylindrical portion including at least two distinct fluid passages opening to fluid-admission tubes and each leading radially into one of the fluid-circulation grooves of the manifold; and a tub constrained to rotate with the fluid manifold and including a cylindrical portion including at least two fluid-flow channels, each fed with fluid by a respective one of the outlet orifices of the fluid dispenser, each fluid-flow channel leading to a respective chamber of a control actuator.
DISPOSITIF D'ALIMENTATION EN FLUIDE D'UN VERIN HYDRAULIQUE POUR LA COMMANDE DE L'ORIENTATION DES PALES DE SOUFFLANTE D'UN TURBOPROPULSEUR A DOUBLE HELICE
HYDRAULIC SUPPLY SYSTEM FOR A PITCH CHANGING ACTUATOR IN A TURBOFAN ENGINE DRIVING TWO PROPELLERS
VERSORGUNGSSYSTEM FÜR HYDRAULISCH VERSTELLBARE PROPELLER EINES TURBOPROPTRIEBWERKS MIT ZWEI PROPELLER
2017-08-30
Patent
Electronic Resource
French
IPC: | B64C AEROPLANES , Flugzeuge |
European Patent Office | 2018
|European Patent Office | 2016
|DISPOSITIF DE COMMANDE DE L'ORIENTATION DES PALES DE SOUFFLANTE D'UN TURBOPROPULSEUR
European Patent Office | 2017
|DISPOSITIF DE COMMANDE DE L'ORIENTATION DES PALES DE SOUFFLANTE D'UN TURBOPROPULSEUR
European Patent Office | 2017
|DISPOSITIF DE COMMANDE DE L'ORIENTATION DES PALES DE SOUFFLANTE D'UN TURBOPROPULSEUR
European Patent Office | 2017
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