Verdrehschutz einer Dichtplatte in einer Stufe einer Gasturbine

Details

Veröffentlichungs-Nr.

EP3144476

Aktenzeichen

EP16187636

Anmeldetag

7. September 2016

Veröffentlichung

24. April 2019

Erteilung

24. April 2019

Rechtsraum

EP

IPC

F01D5/08F01D5/18F01D5/30F01D11/00

Abstract

A turbine stage assembly, the assembly comprising; a disc (20) carrying a cascade of blades (21) and an annular seal-plate (25), the seal-plate (25) being secured to the disc (20) by a first connection means, one or more of the blades comprising; a root portion (23) configured to be received in a complementarily shaped radially extending slot (22) in the disc such that a face of the root portion (23) faces the plate (25); a terminal portion of the root portion (23) being cut away adjacent the face to present an open space (28) between a radially inner wall of the slot (22) and a wall of the cutaway root portion and a first part (29a, 29b, 24) of a second connector means extending radially inwardly from the wall of the cutaway root portion, the first part of the second connector means configured to engage with a complementing second part (27) of the second connector means provided on the seal-plate (25).

Anmelder

Firma

Rolls-Royce plc

Land

🇬🇧 Großbritannien

Fachgebiete