Title (en)

Turbomachine with active electrical clearance control and corresponding method

Title (de)

Strömungsmaschine mit aktiver elektrischer Spielsteuerung und zugehöriges Verfahren

Title (fr)

Turbomachine avec pilotage électrique actif de jeu et procédé associé

Publication

EP 2754859 A1 20140716 (EN)

Application

EP 13150874 A 20130110

Priority

EP 13150874 A 20130110

Abstract (en)

The disclosure relates to a turbo-machine (10) comprising a stator (22, 23, 45, 49) and a rotor (28) arranged rotatable inside the stator (22, 23, 45, 49) as well as at least one electric heating device (40, 41, 42, 43, 46), which is arranged on the surface of at least part of the stator (22, 23, 45, 49) for active clearance control. Besides the turbo-machine a method for operating the active clearance control comprising electric heating devices is disclosed.

IPC 8 full level

F01D 11/24 (2006.01)

CPC (source: EP US)

F01D 11/24 (2013.01 - EP US); F01D 25/08 (2013.01 - US); F01D 25/14 (2013.01 - US); F01D 25/24 (2013.01 - US); F01D 25/26 (2013.01 - US)

Citation (applicant)

• US 7329953 B2 20080212 - TU KUO-CHI [TW]
• EP 0620363 A1 19941019 - PRAXAIR TECHNOLOGY INC [US]
• EP 0718470 A2 19960626 - ABB MANAGEMENT AG [CH]

Citation (search report)

• [X] DE 4309199 A1 19940929 - ABB MANAGEMENT AG [CH]
• [X] EP 0713977 A2 19960529 - ABB MANAGEMENT AG [CH]
• [X] DE 102009043832 A1 20100304 - GEN ELECTRIC [US]
• [X] US 2010054912 A1 20100304 - WILSON IAN DAVID [US], et al
• [X] EP 2527601 A2 20121128 - GEN ELECTRIC [US]
• [X] US 2994472 A 19610801 - BOTJE JACOBUS M
• [X] EP 0492865 A1 19920701 - GEN ELECTRIC [US]
• [X] DE 3901167 A1 19900726 - KLEIN SCHANZLIN & BECKER AG [DE]
• [X] FR 2458676 A1 19810102 - MTU MUENCHEN GMBH [DE]
• [X] GB 2103718 A 19830223 - NUOVO PIGNONE SPA [IT]
• [X] GB 2117450 A 19831012 - ROLLS ROYCE
• [X] WO 0004278 A1 20000127 - SIEMENS WESTINGHOUSE POWER [US]
• [X] US 2008131270 A1 20080605 - PAPROTNA HUBERTUS EDWARD [US], et al
• [X] FR 2949808 A1 20110311 - SNECMA [FR]
• [X] FR 2890685 A1 20070316 - SNECMA [FR]
• [X] FR 2943093 A1 20100917 - SNECMA [FR]
• [X] FR 2943717 A1 20101001 - SNECMA [FR]
• [X] FR 2933131 A1 20100101 - SNECMA [FR]

Designated contracting state (EPC)

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

Designated extension state (EPC)

BA ME

DOCDB simple family (publication)

EP 2754859 A1 20140716; CN 103925012 A 20140716; CN 103925012 B 20160106; EP 2754860 A1 20140716; EP 2754860 B1 20200722; US 2014193237 A1 20140710

DOCDB simple family (application)

EP 13150874 A 20130110; CN 201410011614 A 20140110; EP 13196258 A 20131209; US 201414152108 A 20140110