EP 2975220 A1 20160120 - Guide vane and turbine comprising such guide vane
Title (en)
Guide vane and turbine comprising such guide vane
Title (de)
Leitschaufel und Turbine mit einer solchen Leitschaufel
Title (fr)
AUBE DE STATOR ET TURBINE COMPRENANT UNE TELLE AUBE
Publication
Application
Priority
EP 14177047 A 20140715
Abstract (en)
The present invention relates to a guide vane (1) comprising an inner platform (2), an outer platform (3) and an airfoil (4) extending between the inner platform (2) and the outer platform (3), wherein at least one groove (5) for receiving a sealing means (6) is formed at a side of the inner platform (2) and/or of the outer platform (3), said groove (5) having a predetermined groove width (a), characterized in that opposing side walls (7, 8) of said at least one groove (5) each are formed with at least one curved projection (9, 10), wherein the projections (9, 10) define a gap (11) within said groove (5), whose gap width (b) is smaller than said predetermined groove width (a). Moreover, the present invention relates to a turbine comprising such guide vanes.
IPC 8 full level
F01D 9/04 (2006.01); F01D 11/00 (2006.01); F16J 15/02 (2006.01)
CPC (source: EP)
F01D 9/042 (2013.01); F01D 11/005 (2013.01); F05D 2240/11 (2013.01); F05D 2240/80 (2013.01)
Citation (search report)
- [XY] WO 2013189883 A1 20131227 - ALSTOM TECHNOLOGY LTD [CH]
- [Y] US 4379560 A 19830412 - BAKKEN GORDON J
- [X] US 2003165381 A1 20030904 - FOKINE ARKADI [RU], et al
- [X] GB 1534660 A 19781206 - STAL LAVAL TURBIN AB
- [Y] GB 2396193 A 20040616 - ALSTOM TECHNOLOGY LTD [CH]
- [Y] US 2006024156 A1 20060202 - BLATCHFORD DAVID P [GB], et al
- [Y] EP 2481886 A1 20120801 - SIEMENS AG [DE]
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)
DOCDB simple family (application)
EP 14177047 A 20140715; EP 2015065131 W 20150702