Global Patent Index - EP 2985426 A1

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

EP 2985426 A1 20160217 (EN)

Application

EP 14180680 A 20140812

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 (applicant)

None

Citation (search report)

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