Global Patent Index - EP 2666968 B1

EP 2666968 B1 20210818 - Turbine rotor blade

Title (en)

Turbine rotor blade

Title (de)

Turbinenlaufschaufel

Title (fr)

Aube de rotor de turbine

Publication

EP 2666968 B1 20210818 (EN)

Application

EP 13168655 A 20130522

Priority

US 201213479693 A 20120524

Abstract (en)

[origin: EP2666968A1] A turbine rotor blade 115 for a gas turbine engine is described. The turbine rotor blade 115 includes an airfoil that includes a tip 137 at an outer radial end. The tip 137 includes a rail 150 that defines a tip cavity 155; and the rail 150 includes a circumscribing rail microchannel 166. The circumscribing rail microchannel 166 is a microchannel that extends around at least a majority of the length of the inner rail surface 157.

IPC 8 full level

F01D 5/20 (2006.01)

CPC (source: EP)

F01D 5/20 (2013.01); F05D 2260/204 (2013.01)

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 2666968 A1 20131127; EP 2666968 B1 20210818

DOCDB simple family (application)

EP 13168655 A 20130522