The present invention relates to a pitch-change mechanism for a turbine engine propeller, said turbine engine comprising a stator portion and a rotor portion, said pitch-change mechanism comprising an electrohydraulic actuator comprising: - a cylinder for actuating the propeller, comprising a first chamber and a second chamber; - a hydraulic pump suitable for selectively supplying the first chamber or the second chamber of the cylinder with pressurized hydraulic fluid; - a hydraulic fluid reservoir configured to store a pressurized hydraulic fluid; - a valve controlled between a first position in which the valve places the first chamber of the cylinder in fluid communication with the hydraulic pump, and a second position in which the valve places the first chamber of the cylinder in fluid communication with the hydraulic fluid reservoir.
SYSTEME ELECTROHYDRAULIQUE DE CONTRÔLE DE PAS D'UNE HÉLICE DE TURBOMACHINE AVEC POSITION DE MISE EN DRAPEAU
ELECTROHYDRAULIC PITCH-CONTROL SYSTEM FOR A TURBINE ENGINE PROPELLER WITH FEATHERING POSITION
ELEKTROHYDRAULISCHES ANSTELLWINKELREGELSYSTEM FÜR EINEN TURBINENMOTORPROPELLER MIT SEGELSTELLUNG
2024-04-10
Patent
Elektronische Ressource
Französisch
Europäisches Patentamt | 2022
|ROTOR POUR HELICE DE TURBOMACHINE AVEC DISPOSITIF DE MISE EN DRAPEAU DES PALES DE L'HELICE
Europäisches Patentamt | 2017
|Europäisches Patentamt | 2021
|Europäisches Patentamt | 2018
|Europäisches Patentamt | 2019
|