Global Patent Index - EP 1331361 B1

EP 1331361 B1 20100512 - Cast turbine stator vane having a hook support

Title (en)

Cast turbine stator vane having a hook support

Title (de)

Gegossene Turbinenleitschaufel mit Hakensockel

Title (fr)

Aube statorique de turbine coulée ayant un crochet de fixation

Publication

EP 1331361 B1 20100512 (DE)

Application

EP 02001265 A 20020117

Priority

EP 02001265 A 20020117

Abstract (en)

[origin: EP1331361A1] Turbine blade (1) comprises a profiled blade (2) extending along a blade axis (4) and on which is molded in an end region a platform (6) extending perpendicular to the blade axis. The platform has an outer edge (14) which is thicker than the platform base (12). The side wall (16) of the outer edge facing toward the blade axis is angled. A hook base (8) is molded over the platform on the end region of the blade. An Independent claim is also included for a casting system for producing the above turbine blade. Preferred Features: The outer edge of the platform is provided in its base region with a number of cooling bores (20) opening on the outlet side into a common cooling gap (22).

IPC 8 full level

F01D 5/18 (2006.01); F01D 9/02 (2006.01); B22C 7/02 (2006.01); B22C 9/04 (2006.01); B22C 9/22 (2006.01); B22C 9/24 (2006.01); F01D 9/04 (2006.01); F02C 7/00 (2006.01)

CPC (source: EP US)

B22C 9/22 (2013.01 - EP US); F01D 5/18 (2013.01 - EP US); F01D 9/04 (2013.01 - EP US); F05D 2230/21 (2013.01 - EP US); F05D 2240/81 (2013.01 - EP US); Y10S 415/915 (2013.01 - EP US); Y10T 29/49336 (2015.01 - EP US)

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

DOCDB simple family (publication)

EP 1331361 A1 20030730; EP 1331361 B1 20100512; AT E467749 T1 20100515; CN 100447374 C 20081231; CN 1451846 A 20031029; DE 50214427 D1 20100624; JP 2003232205 A 20030822; JP 4303480 B2 20090729; US 2005111963 A1 20050526; US 6923620 B2 20050802

DOCDB simple family (application)

EP 02001265 A 20020117; AT 02001265 T 20020117; CN 03107501 A 20030117; DE 50214427 T 20020117; JP 2003005500 A 20030114; US 34594703 A 20030430