Global Patent Index - EP 2705218 A2

EP 2705218 A2 20140312 - COVER DEVICE, INTEGRALLY BLADED MAIN ROTOR BODY, METHOD AND TURBOMACHINE

Title (en)

COVER DEVICE, INTEGRALLY BLADED MAIN ROTOR BODY, METHOD AND TURBOMACHINE

Title (de)

ABDECKEINRICHTUNG, INTEGRAL BESCHAUFELTER ROTORGRUNDKÖRPER, VERFAHREN UND STRÖMUNGSMASCHINE

Title (fr)

DISPOSITIF DE RECOUVREMENT, CORPS DE BASE DE ROTOR INTÉGRALEMENT À AUBAGE, PROCÉDÉ ET TURBOMACHINE

Publication

EP 2705218 A2 20140312 (DE)

Application

EP 12769875 A 20120425

Priority

  • DE 102011100221 A 20110502
  • DE 2012000431 W 20120425

Abstract (en)

[origin: WO2012149925A2] The invention relates to a cover device for an integrally bladed main rotor body of a turbomachine for preventing or reducing a cooling air flow from a high pressure side to a low pressure side through channels formed between adjacent rotor blades, wherein a plurality of cover elements are provided that can be inserted individually into the channels and have at least one peripheral sealing surface. The invention further relates to an integrally bladed main rotor body with such a cover device, to a method for producing such an integrally bladed main rotor body and to a turbomachine having such an integrally bladed main rotor body.

IPC 8 full level

F01D 5/08 (2006.01); F01D 5/34 (2006.01); F01D 11/00 (2006.01)

CPC (source: EP US)

F01D 5/08 (2013.01 - US); F01D 5/082 (2013.01 - EP US); F01D 5/326 (2013.01 - EP US); F01D 11/008 (2013.01 - EP US); F05D 2260/941 (2013.01 - EP US); Y02T 50/60 (2013.01 - EP US); Y10T 29/49316 (2015.01 - EP US)

Citation (search report)

See references of WO 2012149925A2

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

DOCDB simple family (publication)

DE 102011100221 A1 20121108; DE 102011100221 B4 20170309; EP 2705218 A2 20140312; US 2014161590 A1 20140612; WO 2012149925 A2 20121108; WO 2012149925 A3 20130228

DOCDB simple family (application)

DE 102011100221 A 20110502; DE 2012000431 W 20120425; EP 12769875 A 20120425; US 201214114853 A 20120425