Zweigang-Planetengetriebe für ein Flugzeugantriebssystem

Details

Veröffentlichungs-Nr.

EP4793476

Anmeldetag

16. Februar 2026

Veröffentlichung

19. August 2026

Rechtsraum

EP

IPC

F02C3/113, F02C7/36, B64D35/00

Abstract

An aircraft propulsion system is provided that includes a thermal engine (20) and a gearbox (36). The gearbox (36) includes an input shaft (46), an output shaft (48), a first epicyclic gear arrangement (42), a drive gear (44), and a first layshaft assembly (50). The first epicyclic gear arrangement (42) includes a sun gear (54), a plurality of planet gears (56), and a ring gear (60). The sun gear (54) is connected with the drive gear (44). The first layshaft assembly (50) includes a first layshaft input gear (70), a first layshaft ring engagement gear (72), and a first clutch (74). The first layshaft ring engagement gear (72) is engaged with the ring gear (60), and the first layshaft input gear (70) is engaged with the drive gear (44) and the input shaft (46). The first clutch (74) is disposable in a clutch-disengaged configuration and in a clutch-engaged configuration.

Anmelder

Firma

Pratt & Whitney Canada Corp.

Land

🇨🇦 Kanada

Fachgebiete