EP 2985426 A1 20160217 - Blade device for a turbine and corresponding manufacturing method
Title (en)
Blade device for a turbine and corresponding manufacturing method
Title (de)
Schaufelvorrichtung für eine Turbine und zugehöriges Herstellungsverfahren
Title (fr)
Dispositif d'aube d'une turbine et procédé de fabrication associé
Publication
Application
Priority
EP 14180680 A 20140812
Abstract (en)
The present invention relates to a blade device 300 for a turbine, in particular a steam turbine. The blade device 300 comprises a blade body 110. The blade body 110 comprises a radially inner end face 120 and a radially outer end face 130 which is formed opposed to the inner end face 120 with respect to a radial direction 140 of the turbine. The blade body 110 further comprises a channel 150 extending between the inner end face 120 and the outer end face 130. Furthermore the blade body 110 comprises a first groove 160 which connects the channel and an environment of the blade body 110 such that a fluid connection between the environment and the channel 150 is given. The first groove 160 has a first groove length 170 and a first groove width 180 which is smaller than the first groove length 170. Additionally, the first groove width 180 is smaller than 2 mm.
IPC 8 full level
F01D 25/32 (2006.01); F01D 9/06 (2006.01)
CPC (source: EP)
F01D 25/32 (2013.01); F01D 9/065 (2013.01); F05D 2220/31 (2013.01)
Citation (search report)
- [XYI] GB 2424454 A 20060927 - ALSTOM TECHNOLOGY LTD [CH]
- [XYI] EP 2708699 A1 20140319 - HITACHI LTD [JP]
- [Y] JP 2012241607 A 20121210 - TOSHIBA CORP
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 2985426 A1 20160217; EP 2985426 B1 20200701; PL 2985426 T3 20210111
DOCDB simple family (application)
EP 14180680 A 20140812; PL 14180680 T 20140812