DE69532980D1 - Wirbelstromsensorsystem für eine Verbrennungsturbine in Betrieb - Google Patents
Wirbelstromsensorsystem für eine Verbrennungsturbine in BetriebInfo
- Publication number
- DE69532980D1 DE69532980D1 DE69532980T DE69532980T DE69532980D1 DE 69532980 D1 DE69532980 D1 DE 69532980D1 DE 69532980 T DE69532980 T DE 69532980T DE 69532980 T DE69532980 T DE 69532980T DE 69532980 D1 DE69532980 D1 DE 69532980D1
- Authority
- DE
- Germany
- Prior art keywords
- current sensor
- sensor system
- eddy current
- combustion turbine
- turbine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
- G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
- G01N27/90—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents
- G01N27/9013—Arrangements for scanning
Landscapes
- Chemical & Material Sciences (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Electrochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Biochemistry (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
- Testing Of Engines (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/203,466 US5442285A (en) | 1994-02-28 | 1994-02-28 | NDE eddy current sensor for very high scan rate applications in an operating combustion turbine |
US203466 | 1994-02-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69532980D1 true DE69532980D1 (de) | 2004-06-09 |
DE69532980T2 DE69532980T2 (de) | 2005-05-04 |
Family
ID=22754132
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69532980T Expired - Lifetime DE69532980T2 (de) | 1994-02-28 | 1995-02-22 | Wirbelstromsensorsystem für eine Verbrennungsturbine in Betrieb |
Country Status (5)
Country | Link |
---|---|
US (1) | US5442285A (de) |
EP (1) | EP0669530B1 (de) |
JP (1) | JPH07280773A (de) |
CA (1) | CA2143520A1 (de) |
DE (1) | DE69532980T2 (de) |
Families Citing this family (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5781007A (en) * | 1995-10-24 | 1998-07-14 | General Electric Company | Portable three axis scanner to inspect a gas turbine engine spool by eddy current or ultrasonic inspection |
GB2313913B (en) * | 1996-06-07 | 2001-02-14 | Somerset Technical Lab Ltd | Method for non-destructive testing for surface flaws on massive electrically-conductive components |
US6262659B1 (en) * | 1998-03-03 | 2001-07-17 | General Electric Company | Telemetry of diagnostic messages from a mobile asset to a remote station |
US6346807B1 (en) * | 1999-10-22 | 2002-02-12 | Bently Nevada Corporation | Digital eddy current proximity system: apparatus and method |
US6789030B1 (en) | 2000-06-23 | 2004-09-07 | Bently Nevada, Llc | Portable data collector and analyzer: apparatus and method |
US7023205B1 (en) | 2000-08-01 | 2006-04-04 | General Dynamics Advanced Information Systems, Inc. | Eddy current sensor capable of sensing through a conductive barrier |
US6570379B2 (en) * | 2000-08-24 | 2003-05-27 | Shell Oil Company | Method for inspecting an object of electrically conducting material |
US6619109B1 (en) | 2000-09-25 | 2003-09-16 | Siemens Westinghouse Power Corporation | Steam turbine inlet bell seal inspection apparatus and method |
US6487922B1 (en) | 2000-09-25 | 2002-12-03 | Siemens Westinghouse Power Corporation | Steam turbine inlet sleeve inspection apparatus and method |
US6707297B2 (en) * | 2002-04-15 | 2004-03-16 | General Electric Company | Method for in-situ eddy current inspection of coated components in turbine engines |
US6949922B2 (en) * | 2002-05-31 | 2005-09-27 | Siemens Westinghouse Power Corporation | Turbine blade clearance on-line measurement system |
KR100592635B1 (ko) * | 2002-10-31 | 2006-06-23 | 세안기술 주식회사 | 와전류 검사 장치 |
US7324681B2 (en) | 2002-12-03 | 2008-01-29 | Og Technologies, Inc. | Apparatus and method for detecting surface defects on a workpiece such as a rolled/drawn metal bar |
US7460703B2 (en) * | 2002-12-03 | 2008-12-02 | Og Technologies, Inc. | Apparatus and method for detecting surface defects on a workpiece such as a rolled/drawn metal bar |
US6950546B2 (en) | 2002-12-03 | 2005-09-27 | Og Technologies, Inc. | Apparatus and method for detecting surface defects on a workpiece such as a rolled/drawn metal bar |
KR100505929B1 (ko) * | 2003-03-31 | 2005-08-04 | 삼성광주전자 주식회사 | 압축기 및 압축기의 배관연결방법 |
US7126329B2 (en) * | 2004-01-21 | 2006-10-24 | General Electric Company | Methods for preparing and testing a thermal-spray coated substrate |
US7069173B2 (en) * | 2004-11-01 | 2006-06-27 | General Electric Company | System and method for determining an angular position of a rotor and a radial position of the rotor |
US7256577B2 (en) | 2005-04-07 | 2007-08-14 | The Boeing Company | High frequency rotary eddy current probe device |
US7313961B2 (en) * | 2005-04-26 | 2008-01-01 | General Electric Company | Method and apparatus for inspecting a component |
US7412320B2 (en) * | 2005-05-23 | 2008-08-12 | Siemens Power Generation, Inc. | Detection of gas turbine airfoil failure |
JP2007271495A (ja) * | 2006-03-31 | 2007-10-18 | Central Res Inst Of Electric Power Ind | 渦流探傷を用いた腐食評価方法 |
US8095324B2 (en) | 2008-06-26 | 2012-01-10 | Pratt & Whitney Canada Corp. | Permanent magnet rotor crack detection |
US7984656B2 (en) * | 2008-07-24 | 2011-07-26 | United Technologies Corporation | NSMS flight laser detector system |
JP5167366B2 (ja) * | 2008-10-14 | 2013-03-21 | 株式会社日立製作所 | タービン動翼の欠陥検出装置及びタービン動翼の欠陥検出方法 |
US8386404B2 (en) * | 2009-01-19 | 2013-02-26 | Zetec, Inc. | Methods for automated eddy current non-destructive testing analysis |
US8378676B2 (en) * | 2009-06-05 | 2013-02-19 | Nuovo Pignone S.P.A. | System and method for detecting corrosion pitting in gas turbines |
DE102010032015A1 (de) * | 2010-07-23 | 2012-01-26 | Mtu Aero Engines Gmbh | Verfahren und Vorrichtung zur Zustandsüberwachung von Schleuderbauteilen |
DE102011003471A1 (de) * | 2011-02-01 | 2012-08-02 | Siemens Aktiengesellschaft | Prüfung rotierender Bauteile |
US9058925B2 (en) * | 2011-09-26 | 2015-06-16 | Owen Venmore Ross | Solenoid donut |
GB201200253D0 (en) | 2012-01-09 | 2012-02-22 | Isis Innovation | Monitoring engine components |
JP6121711B2 (ja) * | 2012-12-28 | 2017-04-26 | 三菱日立パワーシステムズ株式会社 | 渦電流探傷装置および渦電流探傷方法 |
JP6168682B2 (ja) * | 2013-01-22 | 2017-07-26 | 三菱日立パワーシステムズ株式会社 | 渦電流探傷プローブ及び検査方法 |
KR102417831B1 (ko) * | 2020-08-05 | 2022-07-06 | 한국철도기술연구원 | 결함 검출 장치 및 시스템 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3528003A (en) * | 1967-11-28 | 1970-09-08 | Forster F M O | Sensor for inspecting a test piece for inside and outside flaws utilizing means responsive to the type of flaw for adjusting the threshold of the sensor |
US3750010A (en) * | 1970-03-25 | 1973-07-31 | Reliance Electric Co | Vibration analyzer probe with reduced temperature sensitivity |
US3854085A (en) * | 1973-06-07 | 1974-12-10 | Magnetics Analysis Corp | Multi-probe flux leakage testing apparatus producing bipolar signals from the largest simultaneously occurring signals of each polarity |
DE2600206C2 (de) * | 1975-01-06 | 1986-01-09 | The Reluxtrol Co., Seattle, Wash. | Vorrichtung zur zerstörungsfreien Materialprüfung nach der Wirbelstrommethode |
SU605086A1 (ru) * | 1976-05-05 | 1978-04-30 | Куйбышевский Ордена Трудового Красного Знамени Авиационный Институт Имени С.П.Королева | Накладной вихретоковый датчик |
US4355281A (en) * | 1978-06-14 | 1982-10-19 | Republic Steel Corporation | Eddy current surface flaw detection employing signal correlation |
US4430614A (en) * | 1980-12-10 | 1984-02-07 | The Barden Corporation | Eddy current bearing ball flaw detector |
US4481471A (en) * | 1981-08-14 | 1984-11-06 | Westinghouse Electric Corp. | Method and apparatus for the detection of anomalies in rotating members |
US4518917A (en) * | 1982-08-31 | 1985-05-21 | Westinghouse Electric Corp. | Plural sensor apparatus for monitoring turbine blading with undesired component elimination |
FR2570500B1 (fr) * | 1984-09-20 | 1987-03-20 | Siderurgie Fse Inst Rech | Procede et dispositif de detection de defauts typiques sur un produit en defilement, notamment pour la detection de criques sur une brame |
SE456864B (sv) * | 1986-08-27 | 1988-11-07 | Toernbloms Kvalitetskontroll | Anordning foer att vid virvelstroemsprovning av omagnetiska provobjekt detektera och undertrycka inverkan av stoerande magnetiska omraaden |
US4839592A (en) * | 1987-11-09 | 1989-06-13 | Magnetic Analysis Corporation | Operator input responsive system and method for selectively identifying verified object flaws |
DE3743521A1 (de) * | 1987-12-22 | 1989-07-06 | Foerster Inst Dr Friedrich | Vorrichtung zum pruefen von halbzeug |
US5210492A (en) * | 1991-04-22 | 1993-05-11 | Tokyo Gas Co., Ltd. | Remote field eddy current flaw detector for metal pipes having a pair of receiver coils providing a differential offset amplitude signal |
US5140264A (en) * | 1991-06-24 | 1992-08-18 | Westinghouse Electric Corp. | Method for non-destructively assessing the condition of a turbine blade using eddy current probes inserted within cooling holes |
-
1994
- 1994-02-28 US US08/203,466 patent/US5442285A/en not_active Expired - Lifetime
-
1995
- 1995-02-22 DE DE69532980T patent/DE69532980T2/de not_active Expired - Lifetime
- 1995-02-22 EP EP95301132A patent/EP0669530B1/de not_active Expired - Lifetime
- 1995-02-27 JP JP7065074A patent/JPH07280773A/ja active Pending
- 1995-02-27 CA CA002143520A patent/CA2143520A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
US5442285A (en) | 1995-08-15 |
JPH07280773A (ja) | 1995-10-27 |
EP0669530B1 (de) | 2004-05-06 |
DE69532980T2 (de) | 2005-05-04 |
EP0669530A1 (de) | 1995-08-30 |
CA2143520A1 (en) | 1995-08-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
R082 | Change of representative |
Ref document number: 669530 Country of ref document: EP Representative=s name: PETER BERG, 80339 MUENCHEN, DE |