Anordnung einer Aussenluftdichtung (oas) für einen Gasturbinenmotor

Details

Veröffentlichungs-Nr.

EP4745367

Anmeldetag

17. November 2025

Veröffentlichung

20. Mai 2026

Rechtsraum

EP

IPC

F01D11/00, F01D25/24

Abstract

A gas turbine engine (22) includes a bladed rotor (66), a case (68), and an outer air seal (OAS) assembly (70). The bladed rotor (66) includes a plurality of rotor blades (80) each extending to a blade tip (82). The case (68) circumscribes the bladed rotor (66). The case (68) forms an OAS cavity (90) at the rotor stage (76). The OAS assembly (70) includes a plurality of OAS segments (86) and an air seal (88). The plurality of OAS segments (86) are disposed within the OAS cavity (90). Each of the OAS segments (86) is radially moveable within the OAS cavity (90) between and to an inboard radial position and an outboard radial position. The air seal (88) is positioned radially between and contacting the case (68) and the seal body (122). The air seal (88) biases each of the plurality of OAS segments (86) towards the inboard radial position.

Anmelder

Firma

RTX Corporation

Land

🇺🇸 USA