BE850611A - Pont de mesure pour dispositif de controle par courant de foucault - Google Patents

Pont de mesure pour dispositif de controle par courant de foucault

Info

Publication number
BE850611A
BE850611A BE174260A BE174260A BE850611A BE 850611 A BE850611 A BE 850611A BE 174260 A BE174260 A BE 174260A BE 174260 A BE174260 A BE 174260A BE 850611 A BE850611 A BE 850611A
Authority
BE
Belgium
Prior art keywords
control device
current control
eddy current
measuring bridge
bridge
Prior art date
Application number
BE174260A
Other languages
English (en)
French (fr)
Inventor
M Pigeon
R Saglio
Original Assignee
Commissariat Energie Atomique
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 Commissariat Energie Atomique filed Critical Commissariat Energie Atomique
Publication of BE850611A publication Critical patent/BE850611A/xx

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

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)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
BE174260A 1976-01-22 1977-01-21 Pont de mesure pour dispositif de controle par courant de foucault BE850611A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7601727A FR2339170A1 (fr) 1976-01-22 1976-01-22 Pont de mesure pour dispositif de controle par courants de foucault

Publications (1)

Publication Number Publication Date
BE850611A true BE850611A (fr) 1977-05-16

Family

ID=9168241

Family Applications (1)

Application Number Title Priority Date Filing Date
BE174260A BE850611A (fr) 1976-01-22 1977-01-21 Pont de mesure pour dispositif de controle par courant de foucault

Country Status (8)

Country Link
US (1) US4109201A (xx)
JP (1) JPS5291490A (xx)
BE (1) BE850611A (xx)
DE (1) DE2701857A1 (xx)
FR (1) FR2339170A1 (xx)
GB (1) GB1534673A (xx)
IT (1) IT1116701B (xx)
NL (1) NL169643C (xx)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2459476A1 (fr) * 1979-06-14 1981-01-09 Siderurgie Fse Inst Rech Procede et dispositif d'inspection de produits metalliques par courants de foucault
FR2502337A1 (fr) * 1981-03-23 1982-09-24 Commissariat Energie Atomique Procede de controle non destructif par courants de foucault avec correction des effets d'entrefer et dispositif de mise en oeuvre
FR2507323A1 (fr) * 1981-06-03 1982-12-10 Commissariat Energie Atomique Capteur differentiel pour dispositif de controle par courants de foucault, comprenant deux enroulements sur un mandrin triangulaire
FR2521296A1 (fr) * 1982-02-10 1983-08-12 Intercontrole Sa Circuit d'alimentation d'une sonde a courants de foucault
US4593245A (en) * 1983-12-12 1986-06-03 General Electric Company Eddy current method for detecting a flaw in semi-conductive material
FR2627862A1 (fr) * 1988-02-26 1989-09-01 Commissariat Energie Atomique Procede de controle par courants de foucault impulsionnels et dispositif de mise en oeuvre
US5006801A (en) * 1989-06-02 1991-04-09 General Electric Company Eddy current inspection probe with probe coil resonace reduction
US5101366A (en) * 1989-12-18 1992-03-31 General Electric Company Method for controlling the manufacture of zirconium tubes
DE4013916C2 (de) * 1990-04-30 1999-04-15 Merten Kg Pulsotronic Vorrichtung zum Erkennen der Form und Beschaffenheit der Mantelflächen von zylindrischen metallischen Werkstücken
US5471138A (en) * 1993-02-23 1995-11-28 Glass, Iii; Samuel W. Inductive valve motion sensor for positioning outside the body of the valve
DE4322987C2 (de) * 1993-07-09 1997-04-10 Erwin Halstrup Spule zur Erzeugung eines magnetischen Wechselfeldes

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2794971A (en) * 1955-03-17 1957-06-04 Bailey Meter Co Measuring system
GB1242747A (en) * 1968-08-09 1971-08-11 C N S Instr Ltd Eddy current testing
US3599087A (en) * 1970-02-24 1971-08-10 Air Prod & Chem Eddy current test system with means for eliminating signals due to the end of the test piece
DE2326257A1 (de) * 1973-05-21 1974-12-12 Siemens Ag Induktiver weggeber
US4050011A (en) * 1974-10-08 1977-09-20 Nippon Kokan Kabushiki Kaisha Eddy current flaw detector using a pair of parallel resonant circuits and a negative resistance in parallel with each circuit

Also Published As

Publication number Publication date
NL7700474A (nl) 1977-07-26
FR2339170B1 (xx) 1979-07-20
JPS5291490A (en) 1977-08-01
US4109201A (en) 1978-08-22
FR2339170A1 (fr) 1977-08-19
GB1534673A (en) 1978-12-06
DE2701857C2 (xx) 1988-07-21
IT1116701B (it) 1986-02-10
NL169643C (nl) 1982-08-02
DE2701857A1 (de) 1977-07-28
NL169643B (nl) 1982-03-01

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Legal Events

Date Code Title Description
RE20 Patent expired

Owner name: COMMISSARIAT A L ENERGIE ATOMIQUE

Effective date: 19970121