Global Patent Index - EP 1112439 B1

EP 1112439 B1 2003-06-11 - TURBINE BUCKET

Title (en)

TURBINE BUCKET

Title (de)

TURBINENSCHAUFEL

Title (fr)

PALE DE TURBINE

Publication

EP 1112439 B1 (DE)

Application

EP 99952439 A

Priority

  • DE 9902596 W
  • DE 19839624 A

Abstract (en)

[origin: WO0012868A1] The invention relates to a turbine bucket (1), comprising an interior space (5) through which a cooling liquid (12) is guided and wherein supporting ribs (7) are arranged. Cold insulation plates (11) are arranged in front of the support ribs (7) to reduce thermal stresses. These plates restrict the cooling of the support ribs (7). The inventive turbine bucket (1) is preferably a gas turbine bucket (1).

IPC 1-7 (main, further and additional classification)

F01D 5/18

IPC 8 full level (invention and additional information)

F01D 5/18 (2006.01); F01D 9/02 (2006.01)

CPC (invention and additional information)

F01D 5/188 (2013.01)

Designated contracting state (EPC)

CH DE FR GB IT LI

EPO simple patent family

WO 0012868 A1 20000309; EP 1112439 A1 20010704; EP 1112439 B1 20030611; JP 2002523675 A 20020730; JP 4315599 B2 20090819; US 2001018021 A1 20010830; US 6533547 B2 20030318

INPADOC legal status


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2017-03-01 [REG DE R119] APPLICATION DEEMED WITHDRAWN, OR IP RIGHT LAPSED, DUE TO NON-PAYMENT OF RENEWAL FEE

- Document: DE 59905944

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2004-06-02 [26N] NO OPPOSITION FILED

- Effective date: 20040312

2004-04-15 [REG CH PL] PATENT CEASED

2004-03-19 [ET] FR: TRANSLATION FILED

2004-01-28 [REG IE FD4D] EUROPEAN PATENTS DESIGNATING IRELAND TREATED AS ALWAYS HAVING BEEN VOID

2003-10-22 [GBT] GB: TRANSLATION OF EP PATENT FILED (GB SECTION 77(6)(A)/1977)

2003-08-31 [PG25 CH] LAPSED IN A CONTRACTING STATE ANNOUNCED VIA POSTGRANT INFORM. FROM NAT. OFFICE TO EPO

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2003-07-17 [REF] CORRESPONDS TO:

- Document: DE 59905944 P 20030717

2003-07-09 [REG IE FG4D] EUROPEAN PATENTS GRANTED DESIGNATING IRELAND

- Free text: GERMAN

2003-06-18 [RIN2] INVENTOR CHANGED AFTER GRANT

- Inventor name: ANDING, DIRK

2003-06-18 [RIN2] INVENTOR CHANGED AFTER GRANT

- Inventor name: BISCHOFF-BEIERMANN, BURKHARD

2003-06-18 [RIN2] INVENTOR CHANGED AFTER GRANT

- Inventor name: BOLMS, HANS-THOMAS

2003-06-18 [RIN2] INVENTOR CHANGED AFTER GRANT

- Inventor name: SCHEURLEN, MICHAEL

2003-06-18 [RIN2] INVENTOR CHANGED AFTER GRANT

- Inventor name: SCHULENBERG, THOMAS

2003-06-18 [RIN2] INVENTOR CHANGED AFTER GRANT

- Inventor name: TIEMANN, PETER

2003-06-13 [REG CH EP] ENTRY IN THE NATIONAL PHASE

2003-06-11 [AK] DESIGNATED CONTRACTING STATES:

- Designated State(s): CH DE FR GB IT LI

2003-06-11 [REG GB FG4D] EUROPEAN PATENT GRANTED

- Free text: NOT ENGLISH

2001-07-04 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20010122

2001-07-04 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE