Disclosed is a propulsion assembly (20a) for a tiltrotor aircraft (10) having a wing (18), the tiltrotor aircraft (10) operable in a hover flight mode and a forward flight mode, the propulsion assembly (20a) comprising: a fixed pylon (22a); a rotor system (24a) comprising a rotor system central axis (128); a pivotable attachment (102) coupling the rotor system (24a) to the fixed pylon (22a), the pivotable attachment (102) comprising a conversion axis (104), wherein the rotor system (24a) is configured to selectively rotate about the conversion axis (104); a pylon conversion actuator (106) comprising: a first actuator mount (110, 122) directly coupled to the fixed pylon (22a); a second actuator mount (112) directly coupled to the rotor system (24a); and an extendable arm (120) coupled to the first actuator mount (110, 122) and the second actuator mount (112) and actuatable between an extended position and a retracted position; wherein in the extended position, the pylon conversion actuator (110, 122) places the rotor system (24a) in a first rotor position; and wherein in the retracted position, the pylon conversion actuator (106) places the rotor system (24a) in a second rotor position.
PYLON CONVERSION ACTUATOR FOR TILTROTOR AIRCRAFT
PYLON-UMWANDLUNGSAKTUATOR FÜR KIPPROTORFLUGZEUGE
ACTIONNEUR DE CONVERSION DE PYLÔNE POUR AVION À ROTORS BASCULANTS
2023-05-03
Patent
Elektronische Ressource
Englisch
IPC: | B64C AEROPLANES , Flugzeuge |
ROTARY PYLON CONVERSION ACTUATOR FOR TILTROTOR AIRCRAFT
Europäisches Patentamt | 2015
|Rotary pylon conversion actuator for tiltrotor aircraft
Europäisches Patentamt | 2018
|