Global Patent Index - EP 1754555 B1

EP 1754555 B1 20091216 - Core for turbine blade

Title (en)

Core for turbine blade

Title (de)

Kern für Turbinenschaufel

Title (fr)

Noyau pour aube de turbomachine

Publication

EP 1754555 B1 20091216 (FR)

Application

EP 06118134 A 20060728

Priority

FR 0508154 A 20050729

Abstract (en)

[origin: EP1754555A1] A ceramic core for the fabrication of a turbine blade by the lost wax process, with cooling and bath cavities, includes a main core (10). The main core comprises an element (10B) constituting the bath and an element (10SB) constituting at least one cavity beneath the bath. The two elements form between each other a space (13) constituting at least a part of the wall of the bottom of the bath. An independent claim is also included for the fabrication of this ceramic core.

IPC 8 full level

B22C 9/10 (2006.01); B22C 21/14 (2006.01)

CPC (source: EP US)

B22C 9/103 (2013.01 - EP US); B22C 9/108 (2013.01 - EP US); B22C 21/14 (2013.01 - EP US)

Designated contracting state (EPC)

DE FR GB

DOCDB simple family (publication)

EP 1754555 A1 20070221; EP 1754555 B1 20091216; DE 602006011089 D1 20100128; FR 2889088 A1 20070202; FR 2889088 B1 20080822; IL 177135 A0 20061210; IL 177135 A 20100517; RU 2006127773 A 20080210; RU 2404012 C2 20101120; US 2007025851 A1 20070201; US 7562691 B2 20090721

DOCDB simple family (application)

EP 06118134 A 20060728; DE 602006011089 T 20060728; FR 0508154 A 20050729; IL 17713506 A 20060727; RU 2006127773 A 20060731; US 46009106 A 20060726