JPS5838853A - 導電性回転部材の異常を検出する方法及び装置 - Google Patents

導電性回転部材の異常を検出する方法及び装置

Info

Publication number
JPS5838853A
JPS5838853A JP57140005A JP14000582A JPS5838853A JP S5838853 A JPS5838853 A JP S5838853A JP 57140005 A JP57140005 A JP 57140005A JP 14000582 A JP14000582 A JP 14000582A JP S5838853 A JPS5838853 A JP S5838853A
Authority
JP
Japan
Prior art keywords
rotating member
signal
output signal
coil
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.)
Pending
Application number
JP57140005A
Other languages
English (en)
Japanese (ja)
Inventor
ロバ−ト・チヤ−ルズ・ミラ−
ウオルタ−・ジエ−ムズ・カ−・ジユニア
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Westinghouse Electric Corp
Original Assignee
Westinghouse Electric Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of JPS5838853A publication Critical patent/JPS5838853A/ja
Pending legal-status Critical Current

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
    • G01N27/9046—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)
JP57140005A 1981-08-14 1982-08-13 導電性回転部材の異常を検出する方法及び装置 Pending JPS5838853A (ja)

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 (1)

Publication Number Publication Date
JPS5838853A true JPS5838853A (ja) 1983-03-07

Family

ID=23127048

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57140005A Pending JPS5838853A (ja) 1981-08-14 1982-08-13 導電性回転部材の異常を検出する方法及び装置

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)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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

Families Citing this family (16)

* Cited by examiner, † Cited by third party
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
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
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

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4936391A (OSRAM) * 1972-08-04 1974-04-04

Family Cites Families (13)

* Cited by examiner, † Cited by third party
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
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

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4936391A (OSRAM) * 1972-08-04 1974-04-04

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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

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
CA1193665A (en) 1985-09-17
DE3278738D1 (en) 1988-08-11
EP0072682B1 (en) 1988-07-06
KR880000751B1 (ko) 1988-05-04
ES514988A0 (es) 1983-06-16
EP0072682A2 (en) 1983-02-23
BR8204681A (pt) 1983-08-02

Similar Documents

Publication Publication Date Title
JPS5838853A (ja) 導電性回転部材の異常を検出する方法及び装置
US4408294A (en) Method for on-line detection of incipient cracks in turbine-generator rotors
US4087749A (en) Method and apparatus for normalizing the outputs of sequentially scanned magnetic flaw detectors
CA2537531C (en) Inspection method and system using multifrequency phase analysis
EP1995590A1 (en) Method and apparatus for digital measurement of an eddy current signal
WO1999020992A3 (en) Detecting anomalies in rotating components
EP1498698A2 (en) Compensation method of resolver detected position
CA1238685A (en) Method and apparatus for examining a workpiece
Clark et al. Induction motor rotor bar damage evaluation with magnetic field analysis
JP2010256244A (ja) 回転電機の放電量測定装置および放電量測定方法
US20160216333A1 (en) System and method for induction motor rotor bar magnetic field analysis
US5298858A (en) Method and apparatus for non-destructive testing of electrically conductive materials
US20020074996A1 (en) Process and device for testing a workpiece by means of eddy currents
JPS6329244A (ja) 渦電流表面欠陥検出装置
CN106643465B (zh) 一种焊缝熔深检测方法
JP4681770B2 (ja) 渦流探傷試験装置
JPH0641938B2 (ja) ジルコニウム合金材の非破壊測定方法
JPH0560510A (ja) 金属部品の平面度測定及び磁気探傷方法
JP2024525734A (ja) 遠心応力下における回転ロータのロータ角度ベースの膨張測定方法
JPH061262B2 (ja) 渦流探傷装置
JPS6125312B2 (OSRAM)
JPH0627729B2 (ja) 渦流探傷装置
JPS62172258A (ja) 漏洩磁束探傷装置
JPH10307081A (ja) 軸受の検査方法及びその装置
CN104457819A (zh) 一种测量电涡流传感装置轴心轨迹的实验方法