KR880000751B1 - 통전되는 회전 부재에서 이상 검출을 위한 방법 및 그 장치 - Google Patents
통전되는 회전 부재에서 이상 검출을 위한 방법 및 그 장치 Download PDFInfo
- Publication number
- KR880000751B1 KR880000751B1 KR8203656A KR820003656A KR880000751B1 KR 880000751 B1 KR880000751 B1 KR 880000751B1 KR 8203656 A KR8203656 A KR 8203656A KR 820003656 A KR820003656 A KR 820003656A KR 880000751 B1 KR880000751 B1 KR 880000751B1
- Authority
- KR
- South Korea
- Prior art keywords
- rotating member
- signal
- coil
- output signal
- abnormality
- 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
Links
Images
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
- G01N27/9046—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 by analysing electrical signals
-
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Measuring Magnetic Variables (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US292973 | 1981-08-14 | ||
| US06/292,973 US4481471A (en) | 1981-08-14 | 1981-08-14 | Method and apparatus for the detection of anomalies in rotating members |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR840001338A KR840001338A (ko) | 1984-04-30 |
| KR880000751B1 true KR880000751B1 (ko) | 1988-05-04 |
Family
ID=23127048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR8203656A Expired KR880000751B1 (ko) | 1981-08-14 | 1982-08-14 | 통전되는 회전 부재에서 이상 검출을 위한 방법 및 그 장치 |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US4481471A (OSRAM) |
| EP (1) | EP0072682B1 (OSRAM) |
| JP (1) | JPS5838853A (OSRAM) |
| KR (1) | KR880000751B1 (OSRAM) |
| BR (1) | BR8204681A (OSRAM) |
| CA (1) | CA1193665A (OSRAM) |
| DE (1) | DE3278738D1 (OSRAM) |
| ES (1) | ES514988A0 (OSRAM) |
| IN (1) | IN159234B (OSRAM) |
| MX (1) | MX151679A (OSRAM) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4688580A (en) * | 1985-07-11 | 1987-08-25 | The Johns Hopkins University | Non-invasive electromagnetic technique for monitoring bone healing and bone fracture localization |
| US4755753A (en) * | 1986-07-23 | 1988-07-05 | General Electric Company | Eddy current surface mapping system for flaw detection |
| JPH0287988A (ja) * | 1988-09-22 | 1990-03-28 | Sumitomo Metal Ind Ltd | 直流電動機の接地状態監視装置 |
| US5004724A (en) * | 1989-03-09 | 1991-04-02 | International Superconductor Corp. | Superconductive quantum interference device for the non-destructive evaluation of metals |
| DE69233065D1 (de) * | 1991-06-11 | 2003-06-26 | Newt Holdings Ltd | Sonde |
| US5442285A (en) * | 1994-02-28 | 1995-08-15 | Westinghouse Electric Corporation | NDE eddy current sensor for very high scan rate applications in an operating combustion turbine |
| US6067857A (en) * | 1997-02-28 | 2000-05-30 | Balance Technology, Inc. | Braking element processing system |
| US6400146B1 (en) | 2000-09-12 | 2002-06-04 | Her Majesty The Queen In Right Of Canada As Represented By The Ministry Of Natural Resources | Sensor head for ACFM based crack detection |
| GB2383417B (en) * | 2001-12-20 | 2005-10-05 | Weston Aerospace | Sensing method and apparatus |
| JP2006194756A (ja) * | 2005-01-14 | 2006-07-27 | Olympus Corp | 非破壊検査装置 |
| US20060164091A1 (en) * | 2005-01-26 | 2006-07-27 | Battelle Memorial Institute | Rotating magnet-induced current pipeline inspection tool and method |
| US20060185445A1 (en) * | 2005-02-24 | 2006-08-24 | The Boeing Company | Multi-parameter shaft analyzer (MPSA) |
| US20090102467A1 (en) * | 2007-10-22 | 2009-04-23 | Johnson Controls Inc. | Method and apparatus for sensing shaft rotation |
| JP2011039019A (ja) * | 2009-08-14 | 2011-02-24 | International Institute Of Universality | 電磁診断装置用超電導センサ |
| DE102011003471A1 (de) * | 2011-02-01 | 2012-08-02 | Siemens Aktiengesellschaft | Prüfung rotierender Bauteile |
| EP2669670A1 (de) * | 2012-06-01 | 2013-12-04 | Siemens Aktiengesellschaft | Verfahren zum Detektieren eines Risses in Laufschaufeln im Betrieb einer Turbomaschine |
| DE102012112121B4 (de) | 2012-12-11 | 2023-02-09 | Baker Hughes Digital Solutions Gmbh | Verfahren und Vorrichtung zur zerstörungsfreien Prüfung eines rotationssymmetrischen Werkstücks, welches Abschnitte verschiedener Durchmesser aufweist |
| TW201740112A (zh) * | 2016-05-10 | 2017-11-16 | National Chung-Shan Institute Of Science And Tech | 旋鈕開關位置偵測裝置 |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2650344A (en) * | 1949-03-22 | 1953-08-25 | Tuboscope Company | Magnetic testing apparatus |
| US2980850A (en) * | 1958-04-30 | 1961-04-18 | Tubular Inspection Co Inc | Electro-magnetic pipe inspecting apparatus |
| US3588682A (en) * | 1967-11-28 | 1971-06-28 | Forster F M O | System for inspecting a welded seam with means for generating a signal which is a function of the welding temperature |
| US3494459A (en) * | 1968-06-10 | 1970-02-10 | Fluoroware Inc | Carrier for integrated circuit chips |
| US3579099A (en) * | 1969-06-05 | 1971-05-18 | Takayuki Kanbayashi | Improved flaw detection apparatus using specially located hall detector elements |
| SE347356B (OSRAM) * | 1970-03-20 | 1972-07-31 | Essem Metotest Ab | |
| US3612987A (en) * | 1970-04-13 | 1971-10-12 | Amf Inc | Inspection apparatus for moving elongated articles including means for extending and retracting a sensor relative to the article |
| JPS4936391A (OSRAM) * | 1972-08-04 | 1974-04-04 | ||
| SE372341B (OSRAM) * | 1973-06-21 | 1974-12-16 | Asea Ab | |
| US3906357A (en) * | 1973-06-29 | 1975-09-16 | Amf Inc | Method and apparatus for testing an object for flaws consisting of two sensors spaced apart along the object path and each connected to a common marker |
| US4146837A (en) * | 1977-04-26 | 1979-03-27 | Irkutsky Filial Vsesojuznogo Nauchnoissledovatelskogo I Proektnogo Instituta Aluuminievoi Magnieovi I Elektrodonoi Promyshlennosti | Apparatus for detecting and recording surface and internal flaws |
| DE2915535A1 (de) * | 1978-04-28 | 1979-11-08 | N Proizv Ob Energia | Verfahren und einrichtung zur zerstoerungsfreien pruefung von rohrleitungen |
| FR2451032A1 (fr) * | 1979-03-09 | 1980-10-03 | Commissariat Energie Atomique | Appareil numerique pour le controle de pieces par courants de foucault |
| FR2459476A1 (fr) * | 1979-06-14 | 1981-01-09 | Siderurgie Fse Inst Rech | Procede et dispositif d'inspection de produits metalliques par courants de foucault |
-
1981
- 1981-08-14 US US06/292,973 patent/US4481471A/en not_active Expired - Lifetime
-
1982
- 1982-07-20 IN IN837/CAL/82A patent/IN159234B/en unknown
- 1982-08-02 MX MX193841A patent/MX151679A/es unknown
- 1982-08-09 CA CA000408997A patent/CA1193665A/en not_active Expired
- 1982-08-10 BR BR8204681A patent/BR8204681A/pt unknown
- 1982-08-13 ES ES514988A patent/ES514988A0/es active Granted
- 1982-08-13 EP EP82304285A patent/EP0072682B1/en not_active Expired
- 1982-08-13 DE DE8282304285T patent/DE3278738D1/de not_active Expired
- 1982-08-13 JP JP57140005A patent/JPS5838853A/ja active Pending
- 1982-08-14 KR KR8203656A patent/KR880000751B1/ko not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US4481471A (en) | 1984-11-06 |
| IN159234B (OSRAM) | 1987-04-18 |
| EP0072682A3 (en) | 1985-03-20 |
| MX151679A (es) | 1985-01-30 |
| ES8307374A1 (es) | 1983-06-16 |
| KR840001338A (ko) | 1984-04-30 |
| JPS5838853A (ja) | 1983-03-07 |
| CA1193665A (en) | 1985-09-17 |
| DE3278738D1 (en) | 1988-08-11 |
| EP0072682B1 (en) | 1988-07-06 |
| ES514988A0 (es) | 1983-06-16 |
| EP0072682A2 (en) | 1983-02-23 |
| BR8204681A (pt) | 1983-08-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR880000751B1 (ko) | 통전되는 회전 부재에서 이상 검출을 위한 방법 및 그 장치 | |
| US6888346B2 (en) | Magnetoresistive flux focusing eddy current flaw detection | |
| US5252915A (en) | Method and apparatus for detecting stator faults in rotary dynamoelectric machines | |
| CA1199112A (en) | Apparatus and method for monitoring turbine blading | |
| US4408294A (en) | Method for on-line detection of incipient cracks in turbine-generator rotors | |
| US20190277804A1 (en) | Precision eddy current sensor for nondestructive evaluation of structures | |
| US8680852B2 (en) | Method and apparatus for phase sensitive detection of eddy current measurements | |
| EP0699301B1 (en) | Stress measurement | |
| GB2028510A (en) | Apparatus for the detection of defects in engineering materials | |
| EP0375019A1 (en) | Device for detecting the movement of a part | |
| US6566871B2 (en) | Process and device for testing a workpiece by means of eddy currents | |
| JP2000352579A (ja) | 電動機固定子鉄心の動的磁気特性測定装置および測定方法 | |
| JP2766929B2 (ja) | 非破壊検査装置 | |
| US6474166B1 (en) | Method for indicating characteristics of rotating apparatus or vibrating apparatus | |
| US5532589A (en) | Subsurface examination of non-ferrous material for detecting corrosion by measuring magnetic traction | |
| JP3874898B2 (ja) | X線管陽極駆動装置のロータ速度を監視する方法および速度監視装置 | |
| US20240322653A1 (en) | Method for measuring the rotor angle-based expansion of a rotating rotor under centrifugal stress | |
| JPH0641938B2 (ja) | ジルコニウム合金材の非破壊測定方法 | |
| McCary et al. | Eddy current imaging | |
| JP2596885B2 (ja) | 回転機械の開放型羽根の振れ監視装置 | |
| JP3196781B2 (ja) | ステーターコイルの検査方法および装置 | |
| JP2003148996A (ja) | 測定装置、温度測定装置および回転電機の温度測定方法 | |
| Haller et al. | Eddy current tomography using rotating magnetic fields for deep SQUID NDE | |
| SU773547A1 (ru) | Устройство дл контрол анизторопии магнитных свойств ферромагнитных материалов | |
| Xue et al. | Eddy current flaw imaging using micro-sensor arrays |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PA0109 | Patent application |
St.27 status event code: A-0-1-A10-A12-nap-PA0109 |
|
| R17-X000 | Change to representative recorded |
St.27 status event code: A-3-3-R10-R17-oth-X000 |
|
| R17-X000 | Change to representative recorded |
St.27 status event code: A-3-3-R10-R17-oth-X000 |
|
| PG1501 | Laying open of application |
St.27 status event code: A-1-1-Q10-Q12-nap-PG1501 |
|
| R17-X000 | Change to representative recorded |
St.27 status event code: A-3-3-R10-R17-oth-X000 |
|
| P11-X000 | Amendment of application requested |
St.27 status event code: A-2-2-P10-P11-nap-X000 |
|
| P13-X000 | Application amended |
St.27 status event code: A-2-2-P10-P13-nap-X000 |
|
| PA0201 | Request for examination |
St.27 status event code: A-1-2-D10-D11-exm-PA0201 |
|
| PG1605 | Publication of application before grant of patent |
St.27 status event code: A-2-2-Q10-Q13-nap-PG1605 |
|
| R17-X000 | Change to representative recorded |
St.27 status event code: A-3-3-R10-R17-oth-X000 |
|
| PE0701 | Decision of registration |
St.27 status event code: A-1-2-D10-D22-exm-PE0701 |
|
| PR0701 | Registration of establishment |
St.27 status event code: A-2-4-F10-F11-exm-PR0701 |
|
| PR1002 | Payment of registration fee |
St.27 status event code: A-2-2-U10-U11-oth-PR1002 Fee payment year number: 1 |
|
| PR1001 | Payment of annual fee |
St.27 status event code: A-4-4-U10-U11-oth-PR1001 Fee payment year number: 4 |
|
| PC1903 | Unpaid annual fee |
St.27 status event code: A-4-4-U10-U13-oth-PC1903 Not in force date: 19920505 Payment event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE |
|
| PC1903 | Unpaid annual fee |
St.27 status event code: N-4-6-H10-H13-oth-PC1903 Ip right cessation event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE Not in force date: 19920505 |
|
| R18-X000 | Changes to party contact information recorded |
St.27 status event code: A-5-5-R10-R18-oth-X000 |
|
| R18-X000 | Changes to party contact information recorded |
St.27 status event code: A-5-5-R10-R18-oth-X000 |
|
| R18-X000 | Changes to party contact information recorded |
St.27 status event code: A-5-5-R10-R18-oth-X000 |
|
| R18-X000 | Changes to party contact information recorded |
St.27 status event code: A-5-5-R10-R18-oth-X000 |