Global Patent Index - EP 1131176 A4

EP 1131176 A4 2003-06-11 - SINGLE CRYSTAL VANE SEGMENT AND METHOD OF MANUFACTURE

Title (en)

SINGLE CRYSTAL VANE SEGMENT AND METHOD OF MANUFACTURE

Title (de)

EINKRISTALL-LEITSCHAUFEL UND VERFAHREN ZU DEREN HERSTELLUNG

Title (fr)

SEGMENT D'AUBE A STRUCTURE MONOCRISTALLINE ET FABRICATION

Publication

EP 1131176 A4 (EN)

Application

EP 99969597 A

Priority

  • US 9925976 W
  • US 10714198 P
  • US 25166099 A

Abstract (en)

[origin: WO0025959A1] The present invention contemplates a multi-airfoil vane segment (50) produced as a single crystal casting from a rhenium containing directionally solidified alloy. The single crystal casting containing grain boundary strengtheners.

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

B22D 25/00; C22C 19/05; C30B 11/00; C30B 29/52

IPC 8 full level (invention and additional information)

F01D 5/28 (2006.01); B22D 21/00 (2006.01); B22D 27/04 (2006.01); C22C 1/02 (2006.01); C22C 19/05 (2006.01)

CPC (invention and additional information)

B22D 27/045 (2013.01)

Citation (search report)

  • [XY] FR 2724857 A1 19960329 - SNECMA [FR]
  • [Y] US 5611670 A 19970318 - YOSHINARI AKIRA [JP], et al
  • [X] US 4804311 A 19890214 - ANDERSON NEAL P [US], et al
  • [A] QUIGG ET AL: "New alloy developments in single crystal and DS alloys", HIGH TEMPERATURE MATERIALS AND PROCESSES, FREUND PUBLISHING HOUSE, LTD, GB, 1993, pages 247 - 254, XP002120760, ISSN: 0370-5331
  • [A] HARRIS K ET AL: "DEVELOPMENT OF TWO RHENIUM-CONTAINING SUPERALLOYS FOR SINGLE-CRYSTAL BLADE AND DIRECTIONALLY SOLIDIFIED VANE APPLICATIONS IN ADVANCED TURBINE ENGINES", JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE, ASM INTERNATIONAL, MATERIALS PARK, US, vol. 2, no. 4, 1 August 1993 (1993-08-01), pages 481 - 487, XP000394071, ISSN: 1059-9495
  • [A] BROOMFIELD ET AL: "Development and turbine engine performance of three advanced rhenium containing superalloys for single crystal and directionally solidified blades and vanes", J.ENGINEERING FOR GAS TURBINES AND POWER, vol. 120, no. 3, July 1998 (1998-07-01), pages 595 - 608, XP008016452
  • See also references of WO 0025959A1

Designated contracting state (EPC)

CH DE FR GB IT LI

EPO simple patent family

WO 0025959 A1 20000511; CA 2349412 A1 20000511; CA 2349412 C 20090901; DE 69933132 D1 20061019; DE 69933132 T2 20070809; DE 69933132 T3 20120906; EP 1131176 A1 20010912; EP 1131176 A4 20030611; EP 1131176 B1 20060906; EP 1131176 B2 20120314; JP 2004538358 A 20041224

INPADOC legal status


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2015-11-17 [REG FR PLFP] FEE PAYMENT

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2012-05-03 [REG DE R102] EPO DECISION MAINTAINING PATENT IN AMENDED FORM NOW FINAL

- Document: DE 69933132

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2007-05-16 [R26] OPPOSITION FILED (CORRECTION)

- Opponent name: SIEMENS, AKTIENGESELLSCHAFT

- Effective date: 20070330

2007-05-09 [26] OPPOSITION FILED

- Opponent name: SIEMENS, AKTIENGESELLSCHAFT

- Effective date: 20070330

2007-03-30 [ET] FR: TRANSLATION FILED

2007-03-30 [REG CH PL] PATENT CEASED

2006-10-19 [REF] CORRESPONDS TO:

- Document: DE 69933132 P 20061019

2006-09-29 [REG CH EP] ENTRY IN THE NATIONAL PHASE

2006-09-06 [AK] DESIGNATED CONTRACTING STATES:

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2006-09-06 [REG GB FG4D] EUROPEAN PATENT GRANTED

2006-09-06 [PG25 CH] LAPSED IN A CONTRACTING STATE ANNOUNCED VIA POSTGRANT INFORM. FROM NAT. OFFICE TO EPO

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2004-05-19 [RBV] DESIGNATED CONTRACTING STATES (CORRECTION)

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2003-10-22 [17Q] FIRST EXAMINATION REPORT

- Effective date: 20030904

2003-06-11 [A4] DESPATCH OF SUPPLEMENTARY SEARCH REPORT

- Effective date: 20030502

2003-06-11 [RIC1] CLASSIFICATION (CORRECTION)

- IPC: 7B 22D 25/00 A

2003-06-11 [RIC1] CLASSIFICATION (CORRECTION)

- IPC: 7C 22C 19/05 B

2003-06-11 [RIC1] CLASSIFICATION (CORRECTION)

- IPC: 7C 30B 11/00 B

2003-06-11 [RIC1] CLASSIFICATION (CORRECTION)

- IPC: 7C 30B 29/52 B

2002-06-05 [RAP1] TRANSFER OF RIGHTS OF AN APPLICATION

- Owner name: ROLLS-ROYCE CORPORATION

2001-09-12 [17P] REQUEST FOR EXAMINATION FILED

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