Global Patent Index - EP 1240486 A1

EP 1240486 A1 2002-09-18 - METHOD AND APPARATUS FOR MEASURING ON LINE FAILURE OF TURBINE THERMAL BARRIER COATINGS

Title (en)

METHOD AND APPARATUS FOR MEASURING ON LINE FAILURE OF TURBINE THERMAL BARRIER COATINGS

Title (de)

VERFAHREN UND APPARATUS ZUM ON-LINE MESSEN EINER STÖRUNG IN WÄRMEDÄMMSCHICHTEN EINER TURBINE

Title (fr)

PROCEDE ET APPAREIL DE MESURE EN LIGNE DES DEFAUTS DES REVETEMENTS BARRIERES THERMIQUES DE TURBINES

Publication

EP 1240486 A1 (EN)

Application

EP 00983951 A

Priority

  • US 0033063 W
  • US 47012399 A

Abstract (en)

[origin: WO0146660A1] A method of remotely monitoring the radiant energy (6) emitted from a turbine component such as a turbine blade (1) having a low-reflective surface coating (3) which may be undergoing potential degradation is used to determine whether erosion, spallation, delamination, or the like, of the coating (3) is occurring.

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

G01J 5/00

IPC 8 full level (invention and additional information)

G01J 5/00 (2006.01)

CPC (invention and additional information)

G01J 5/0022 (2013.01); G01N 25/72 (2013.01); G01N 21/9515 (2013.01); G01N 2021/8427 (2013.01)

Citation (search report)

See references of WO 0146660A1

Designated contracting state (EPC)

AT BE CH CY DE FR GB IT LI

EPO simple patent family

WO 0146660 A1 20010628; EP 1240486 A1 20020918

INPADOC legal status


2004-08-25 [18R] REFUSED

- Effective date: 20040321

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

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

2002-12-18 [17Q] FIRST EXAMINATION REPORT

- Effective date: 20021031

2002-09-18 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20020528

2002-09-18 [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 TR

2002-09-18 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO:

- Free text: AL;LT;LV;MK;RO;SI