An aircraft propulsion system is provided that includes a thermal engine, a gearbox, and a hydraulically actuated clutch system. The gearbox includes an input shaft, an output shaft, an epicyclic gear arrangement, a drive gear, and a first layshaft assembly. The clutch system includes a hydraulic coupling device engaged with the first layshaft assembly. The epicyclic gear arrangement includes a sun gear, planet gears, and a ring gear. The first layshaft assembly includes a first layshaft, a first layshaft input gear, and a first layshaft ring engagement gear. The first layshaft ring engagement gear is engaged with the ring gear, and the first layshaft input gear is engaged with the drive gear and the input shaft. The clutch system is disposable in an disengaged configuration and in an engaged configuration.
Pour en savoir plus : Two-speed epicyclic gearbox with clutch for aircraft propulsion system
