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
Authority: BE; Belgium
Prior art keywords: control device; current control; eddy current; measuring bridge; bridge
Prior art date: 1976-01-22

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.)

1976-01-22

Filing date

1977-01-21

Publication date

1977-05-16

1977-01-21 Application filed by Commissariat Energie Atomique filed Critical Commissariat Energie Atomique

1977-05-16 Publication of BE850611A publication Critical patent/BE850611A/xx

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 (de)
JP (1)	JPS5291490A (de)
BE (1)	BE850611A (de)
DE (1)	DE2701857A1 (de)
FR (1)	FR2339170A1 (de)
GB (1)	GB1534673A (de)
IT (1)	IT1116701B (de)
NL (1)	NL169643C (de)

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

1976
- 1976-01-22 FR FR7601727A patent/FR2339170A1/fr active Granted
1977
- 1977-01-12 IT IT67059/77A patent/IT1116701B/it active
- 1977-01-13 GB GB1308/77A patent/GB1534673A/en not_active Expired
- 1977-01-18 DE DE19772701857 patent/DE2701857A1/de active Granted
- 1977-01-18 NL NLAANVRAGE7700474,A patent/NL169643C/xx not_active IP Right Cessation
- 1977-01-21 JP JP572477A patent/JPS5291490A/ja active Pending
- 1977-01-21 BE BE174260A patent/BE850611A/xx not_active IP Right Cessation
- 1977-01-21 US US05/761,073 patent/US4109201A/en not_active Expired - Lifetime

Also Published As

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

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Legal Events

Date	Code	Title	Description
1997-01-01	RE20	Patent expired	Owner name: COMMISSARIAT A L ENERGIE ATOMIQUE Effective date: 19970121

Date

Code

Title

Description

1997-01-01

RE20

Patent expired

Owner name: COMMISSARIAT A L ENERGIE ATOMIQUE

Effective date: 19970121