FR2124952A5 - - Google Patents

Info

Publication number
FR2124952A5
FR2124952A5 FR7203052A FR7203052A FR2124952A5 FR 2124952 A5 FR2124952 A5 FR 2124952A5 FR 7203052 A FR7203052 A FR 7203052A FR 7203052 A FR7203052 A FR 7203052A FR 2124952 A5 FR2124952 A5 FR 2124952A5
Authority
FR
France
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
Application number
FR7203052A
Other languages
French (fr)
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.)
Automation Industries Inc
Original Assignee
Automation Industries Inc
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 Automation Industries Inc filed Critical Automation Industries Inc
Application granted granted Critical
Publication of FR2124952A5 publication Critical patent/FR2124952A5/fr
Expired 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
    • G01N27/9053—Compensating for probe to workpiece spacing
    • 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
    • G01N27/9006—Details, e.g. in the structure or functioning of sensors
    • 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

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)
FR7203052A 1971-02-01 1972-01-31 Expired FR2124952A5 (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11132971A 1971-02-01 1971-02-01

Publications (1)

Publication Number Publication Date
FR2124952A5 true FR2124952A5 (nl) 1972-09-22

Family

ID=22337875

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7203052A Expired FR2124952A5 (nl) 1971-02-01 1972-01-31

Country Status (5)

Country Link
AU (1) AU3837372A (nl)
DE (1) DE2204449A1 (nl)
FR (1) FR2124952A5 (nl)
IT (1) IT948966B (nl)
NL (1) NL7201210A (nl)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2476318A1 (fr) * 1980-02-16 1981-08-21 Skf Kugellagerfabriken Gmbh Appareil de controle par courants de foucault, destine a detecter les defauts de surface de pieces metalliques
EP0107844A2 (en) * 1982-10-21 1984-05-09 Chugoku X-Ray Co., Ltd. Eddy-current defect-detecting system for metal tubes
FR2570500A1 (fr) * 1984-09-20 1986-03-21 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
EP0315887A2 (en) * 1987-11-09 1989-05-17 Nippon Nuclear Fuel Development Co., Ltd. Eddy current flaw detecting apparatus and method
EP0344558A2 (de) * 1988-05-30 1989-12-06 Asea Brown Boveri Ag Verfahren und Einrichtung zur Kontrolle von lamellierten Eisenblechpaketen auf Blechschlüsse

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5541510A (en) * 1995-04-06 1996-07-30 Kaman Instrumentation Corporation Multi-Parameter eddy current measuring system with parameter compensation technical field
CN104093658B (zh) * 2012-02-08 2016-04-20 三菱电机株式会社 轿厢位置检测装置

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2476318A1 (fr) * 1980-02-16 1981-08-21 Skf Kugellagerfabriken Gmbh Appareil de controle par courants de foucault, destine a detecter les defauts de surface de pieces metalliques
EP0107844A2 (en) * 1982-10-21 1984-05-09 Chugoku X-Ray Co., Ltd. Eddy-current defect-detecting system for metal tubes
EP0107844A3 (en) * 1982-10-21 1985-04-10 Chugoku X-Ray Co., Ltd. Eddy-current defect-detecting system for metal tubes
FR2570500A1 (fr) * 1984-09-20 1986-03-21 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
WO1986001895A1 (fr) * 1984-09-20 1986-03-27 Institut De Recherches De La Siderurgie Française Procede et dispositif de detection, par courants de foucault, de defauts typiques sur un produit
US4799011A (en) * 1984-09-20 1989-01-17 Institut De Recherches De La Siderurgie Francaise-Irsid Process and device for detecting structural defects in a product utilizing differential detection of eddy currents
EP0315887A2 (en) * 1987-11-09 1989-05-17 Nippon Nuclear Fuel Development Co., Ltd. Eddy current flaw detecting apparatus and method
EP0315887A3 (en) * 1987-11-09 1990-03-28 Nippon Nuclear Fuel Development Co., Ltd. Eddy current flaw detecting apparatus and method
EP0344558A2 (de) * 1988-05-30 1989-12-06 Asea Brown Boveri Ag Verfahren und Einrichtung zur Kontrolle von lamellierten Eisenblechpaketen auf Blechschlüsse
CH676526A5 (nl) * 1988-05-30 1991-01-31 Asea Brown Boveri
US4996486A (en) * 1988-05-30 1991-02-26 Asea Brown Boveri Ltd. Method and apparatus for inspecting laminated iron core stacks for interlamination shorts
EP0344558A3 (de) * 1988-05-30 1992-04-15 Asea Brown Boveri Ag Verfahren und Einrichtung zur Kontrolle von lamellierten Eisenblechpaketen auf Blechschlüsse

Also Published As

Publication number Publication date
NL7201210A (nl) 1972-08-03
AU3837372A (en) 1973-08-02
IT948966B (it) 1973-06-11
DE2204449A1 (de) 1972-10-05

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Legal Events

Date Code Title Description
ST Notification of lapse