EP 3158168 A1 20170426 - TURBINE BLADE AND TURBINE
Title (en)
TURBINE BLADE AND TURBINE
Title (de)
TURBINENSCHAUFEL UND TURBINE
Title (fr)
AUBE DE TURBINE ET TURBINE
Publication
Application
Priority
- EP 14182462 A 20140827
- EP 2015069615 W 20150827
Abstract (en)
[origin: WO2016030449A1] The invention relates to a turbine blade (1) with an internally cooled turbine blade airfoil (3), in which a hollow space (10) is divided by rib elements (11, 12) in at least one cooling channel (13) carrying a coolant (14), wherein a recess of material (29), which is arranged next to at least one rib element (11, 12) on a turbine blade airfoil wall (5), is embodied such that tensions occurring within the turbine blade airfoil (3) can be reduced in a region (28) surrounding the at least one rib element (11, 12).
IPC 8 full level
CPC (source: EP US)
F01D 5/147 (2013.01 - EP US); F01D 5/18 (2013.01 - EP US); F05D 2220/32 (2013.01 - US); F05D 2260/94 (2013.01 - EP US); F05D 2260/941 (2013.01 - EP US)
Citation (search report)
See references of WO 2016030449A1
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 2990598 A1 20160302; CN 106795770 A 20170531; CN 106795770 B 20181211; EP 3158168 A1 20170426; EP 3158168 B1 20230517; US 2017234136 A1 20170817; WO 2016030449 A1 20160303
DOCDB simple family (application)
EP 14182462 A 20140827; CN 201580045956 A 20150827; EP 15756631 A 20150827; EP 2015069615 W 20150827; US 201515504361 A 20150827