Abschwächungsstrategie für Tragflächenrisse für Integral Beschaufelte Rotoren

Details

Veröffentlichungs-Nr.

EP4726174

Anmeldetag

9. Oktober 2025

Veröffentlichung

15. April 2026

Rechtsraum

EP

IPC

F01D5/34, F01D21/04

Abstract

An integrally bladed rotor, IBR, (201) is provided. The IBR (201) includes a hub (210) and blades (220). Each blade (220) includes an airfoil section (230) to aerodynamically interact with a flow of air for compressing the air and a root fillet (240) integrally formed with the hub (210) and from which the airfoil section (230) integrally extends. The root fillet (240) includes a curved exterior surface (250) having points of tangency with the airfoil section (230) to define an outboard extent (241) of the root fillet (240) and a root fillet body (260) between the hub (210) and the outboard extent (241) of the root fillet (240) and defining a cutout (270) for arresting a crack that is most likely to form and propagate.

Anmelder

Firma

PRATT & WHITNEY CANADA CORP.

Land

🇨🇦 Kanada