Global Patent Index - EP 1921269 A1

EP 1921269 A1 20080514 - Turbine blade

Title (en)

Turbine blade

Title (de)

Turbinenschaufel

Title (fr)

Aube de turbine

Publication

EP 1921269 A1 20080514 (DE)

Application

EP 06023377 A 20061109

Priority

EP 06023377 A 20061109

Abstract (en)

The blade (10) has a set of fins (18) arranged in a cooling channel (14) in a sequence of one following the other. The cooling channel extends along a length of a flow-inlet edge (12), where a pair of fins is formed with the respective ribs. The fins are arranged in a shape of ice-skating-step. The fins are formed with front and rear walls (16, 20) in single-piece, and the cooling channel extends parallel to the flow-inlet edge.

Abstract (de)

Die Erfindung betrifft eine Turbinenschaufel (10), mit mehreren Rippen (18), welche aufeinanderfolgend in einem Kühlkanal (14) angeordnet sind, der sich längs einer Strömungseintrittskante (12) erstreckt, und bei der mit jeweils zwei Rippen (18) ein Rippen-Paar (24) gebildet ist, dessen Rippen (18) in Schlittschuhschritt-Form angeordnet sind.

IPC 8 full level

F01D 5/18 (2006.01)

CPC (source: EP US)

F01D 5/147 (2013.01 - EP US); F01D 5/187 (2013.01 - EP US); F05D 2250/181 (2013.01 - EP US); F05D 2250/28 (2013.01 - EP US); F05D 2250/34 (2013.01 - EP US); F05D 2250/70 (2013.01 - EP US); F05D 2260/22141 (2013.01 - EP US)

Citation (search report)

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR

Designated extension state (EPC)

AL BA HR MK RS

DOCDB simple family (publication)

EP 1921269 A1 20080514; EP 2087207 A1 20090812; EP 2087207 B1 20160420; JP 2010509535 A 20100325; JP 5329418 B2 20131030; US 2010054952 A1 20100304; US 8215909 B2 20120710; WO 2008055764 A1 20080515

DOCDB simple family (application)

EP 06023377 A 20061109; EP 07821492 A 20071018; EP 2007061127 W 20071018; JP 2009535661 A 20071018; US 51368207 A 20071018