Gasturbinenmotorturmwelle mit Verengtem Stützelement

Details

Veröffentlichungs-Nr.

EP4722518

Anmeldetag

30. September 2025

Veröffentlichung

8. April 2026

Rechtsraum

EP

IPC

F02C7/32, F02C7/06

Abstract

A gas turbine engine (20) is provided that includes a compressor, a turbine, an engine shaft (30), a gearbox (38), and a tower shaft assembly (40). The engine shaft (30) is engaged with the compressor and the turbine. The tower shaft assembly (40) is in drive engagement with the engine shaft (30) and the gearbox (38). The tower shaft assembly (40) includes a tower shaft (32), a first bearing (48), and a first gear (44). The tower shaft (32) extends axially along a rotational axis (54) between first and second ends (50, 52). The tower shaft (32) has a support shoulder (60) having a non-circular configuration. The first bearing (48) is engaged with the support shoulder (60) of the tower shaft (32). The first bearing (48) has roller elements (100) and an inner ring (96) engaged with the roller elements (100). The first gear (44) is engaged with the tower shaft (32) and the first bearing (48), and is configured for engagement with the gearbox (38).

Anmelder

Firma

PRATT & WHITNEY CANADA CORP.

Land

🇨🇦 Kanada