Stationary actuator device for controlling the pitch of fan blades of a turboprop

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Stationary actuator device for controlling the pitch of fan blades of a turboprop

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BELMONTE OLIVIER / BOSCO FRANCK EMMANUEL

A device for controlling pitch of fan blades of a turboprop including at least one set of variable-pitch fan blades constrained to rotate with a rotary ring centered on a longitudinal axis and mechanically connected to a turbine rotor, each blade coupled for pitch adjustment to a synchronization ring. A turntable is mounted via a rotary connection to a rod of an actuator that is secured to a stationary structural element of the turboprop, the turntable being mechanically connected to the synchronization ring by a plurality of connection arms hinge-mounted on the turntable and connected to the synchronization ring such that a longitudinal movement of the turntable under drive from the actuator causes the synchronization ring to turn about the longitudinal axis.

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Document information

Title :

Stationary actuator device for controlling the pitch of fan blades of a turboprop

Contributors:

BELMONTE OLIVIER (author) / BOSCO FRANCK EMMANUEL (author)

Publication date :

2016-03-15

Type of media :

Patent

Type of material :

Electronic Resource

Language :

English

Classification :

IPC:

F01D Strömungsmaschinen [Kraft- und Arbeitsmaschinen oder Kraftmaschinen], z.B. Dampfturbinen , NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES / B64C AEROPLANES , Flugzeuge / B64D Ausrüstung für Flugzeuge , EQUIPMENT FOR FITTING IN OR TO AIRCRAFT