EP 2011965 A3 20110511 - Method and device for clamping bladed rotor discs of a jet engine

Title (en)

Method and device for clamping bladed rotor discs of a jet engine

Title (de)

Vorrichtung und Verfahren zum Einspannen von beschaufelten Rotorscheiben eines Strahltriebwerkes

Title (fr)

Dispositif et procédé pour serrer des disques de rotor portant des aubes d'un moteur à réaction

Publication

EP 2011965 A3 20110511 (DE)

Application

EP 08158102 A 20080612

Priority

DE 102007031712 A 20070706

Abstract (en)

[origin: EP2011965A2] The device (3) has an axial compressor provided with a set of bladed rotor discs (4, 9), where rotor discs are formed as bladed discs (6) at an inlet side of the compressor. The bladed discs form a one-piece design of the rotor discs with rotating blades (5), which are distributed at circumference of the discs. The bladed discs are detachably clamped by a tie rod (12), separate the rotor discs, and are firmly connected with each other independent of the tie rod. The tie rod is arranged within central openings (8) in the bladed discs. An independent claim is also included for a method for clamping bladed rotor discs of a turbo-jet engine.

IPC 8 full level

F01D 5/06 (2006.01)

CPC (source: EP US)

F01D 5/025 (2013.01 - EP US); F01D 5/066 (2013.01 - EP US)

Citation (search report)

[XAY] DE 102005052819 A1 20070510 - MTU AERO ENGINES GMBH [DE]
[X] GB 599809 A 19480322 - BRISTOL AEROPLANE CO LTD, et al
[YA] GB 858763 A 19610118 - NAPIER & SON LTD
[YA] US 2579745 A 19511225 - ALBERT LOMBARD ADRIAN, et al
[YA] DE 1087746 B 19600825 - NAPIER & SON LTD
[A] US 2637488 A 19530505 - KROUSE LEE M, et al
[A] GB 749578 A 19560530 - HAVILLAND ENGINE CO LTD, et al
[A] US 2005025625 A1 20050203 - ESCURE DIDIER [FR], et al

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR

Designated extension state (EPC)

AL BA MK RS

DOCDB simple family (publication)

EP 2011965 A2 20090107; EP 2011965 A3 20110511; EP 2011965 B1 20120808; DE 102007031712 A1 20090108; US 2009016886 A1 20090115; US 8152471 B2 20120410

DOCDB simple family (application)

EP 08158102 A 20080612; DE 102007031712 A 20070706; US 21645808 A 20080703