Global Patent Index - EP 3176384 B1

EP 3176384 B1 20230712 - INNER SHROUD, CORRESPONDING INNER SHROUD SECTOR, VANE ASSEMBLY AND TURBOMACHINE

Title (en)

INNER SHROUD, CORRESPONDING INNER SHROUD SECTOR, VANE ASSEMBLY AND TURBOMACHINE

Title (de)

INNENRING, ZUGEHÖRIGER INNENRINGSEKTOR, LEITSCHAUFELKRANZ UND STRÖMUNGSMASCHINE

Title (fr)

VIROLE INTERNE, SECTEUR DE VIROLE INTERNE, AUBAGE STATORIQUE ET TURBOMACHINE

Publication

EP 3176384 B1 20230712 (DE)

Application

EP 15198072 A 20151204

Priority

EP 15198072 A 20151204

Abstract (en)

[origin: US2017159471A1] An inner ring 10 according to the invention for a guide vane cascade of a turbomachine has a radially outer inner ring surface 11 as well as a plurality of bearing mounts 12 for a respective guide vane plate 21a of a guide vane 20. The bearing mounts 12 each have an opening 13 in the outer inner ring surface 11 as well as a bottom face 14 lying radially opposite the opening. At least two of the bearing mounts 12 are separated from each other by a separating wall 15 and are connected to each other in a region of their bottom face 14 by a through-opening 16. A guide vane cascade 100 according to the invention for a turbomachine has an inner ring 10 according to the invention and a plurality of guide vanes 20 inserted into the bearing mounts 12.

IPC 8 full level

F01D 17/16 (2006.01)

CPC (source: EP US)

F01D 9/041 (2013.01 - US); F01D 11/003 (2013.01 - US); F01D 17/162 (2013.01 - EP US); F01D 25/162 (2013.01 - US); F05D 2220/32 (2013.01 - US); F05D 2240/55 (2013.01 - US)

Citation (examination)

US 5421703 A 19950606 - PAYLING STEPHEN R [US]

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)

EP 3176384 A1 20170607; EP 3176384 B1 20230712; US 10626742 B2 20200421; US 2017159471 A1 20170608

DOCDB simple family (application)

EP 15198072 A 20151204; US 201615365506 A 20161130