IT1071201B - Sonda per corrente parassita di bobina multipla circonferenzialmente differenziale - Google Patents

Sonda per corrente parassita di bobina multipla circonferenzialmente differenziale

Info

Publication number
IT1071201B
IT1071201B IT68436/76A IT6843676A IT1071201B IT 1071201 B IT1071201 B IT 1071201B IT 68436/76 A IT68436/76 A IT 68436/76A IT 6843676 A IT6843676 A IT 6843676A IT 1071201 B IT1071201 B IT 1071201B
Authority
IT
Italy
Prior art keywords
circumferently
parasit
current probe
multiple coil
differential multiple
Prior art date
Application number
IT68436/76A
Other languages
English (en)
Original Assignee
Ca Atomic Energy Ltd
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 Ca Atomic Energy Ltd filed Critical Ca Atomic Energy Ltd
Application granted granted Critical
Publication of IT1071201B publication Critical patent/IT1071201B/it

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
    • G01N27/9006—Details, e.g. in the structure or functioning of sensors

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)
IT68436/76A 1975-06-12 1976-06-11 Sonda per corrente parassita di bobina multipla circonferenzialmente differenziale IT1071201B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA229,187A CA1014226A (en) 1975-06-12 1975-06-12 Circumferentially differentiating multiple coil eddy current probe

Publications (1)

Publication Number Publication Date
IT1071201B true IT1071201B (it) 1985-04-02

Family

ID=4103329

Family Applications (1)

Application Number Title Priority Date Filing Date
IT68436/76A IT1071201B (it) 1975-06-12 1976-06-11 Sonda per corrente parassita di bobina multipla circonferenzialmente differenziale

Country Status (5)

Country Link
JP (1) JPS51151591A (it)
CA (1) CA1014226A (it)
DE (1) DE2626060A1 (it)
FR (1) FR2314496A1 (it)
IT (1) IT1071201B (it)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2817574B2 (de) * 1978-04-21 1980-04-30 Kraftwerk Union Ag, 4330 Muelheim Wirbelstrompriifsonde zur Untersuchung metallischer Werkstoffe auf Materialtrennungen und fehlerhafte Einschlüsse
US4292589A (en) * 1979-05-09 1981-09-29 Schlumberger Technology Corporation Eddy current method and apparatus for inspecting ferromagnetic tubular members
KR890001536B1 (ko) * 1984-11-23 1989-05-06 더 뱁콕 앤드 윌콕스 컴퍼니 내부의 결함상태를 검출하기 위한 와류 탐침
JPH0355099Y2 (it) * 1985-07-18 1991-12-06
US4704577A (en) * 1986-04-18 1987-11-03 Westinghouse Electric Corp. Eddy currents probe for measuring a gap between a tube and an antivibration bar
US4808924A (en) * 1987-02-19 1989-02-28 Atomic Energy Of Canada Limited Circumferentially compensating eddy current probe with alternately polarized transmit coils and receiver coils
US4808927A (en) * 1987-02-19 1989-02-28 Atomic Energy Of Canada Limited Circumferentially compensating eddy current probe with alternately polarized receiver coil
DE4001544A1 (de) * 1990-01-20 1991-07-25 Bosch Gmbh Robert Messeinrichtung zur bestimmung eines drehwinkels
FR2651040A1 (fr) * 1989-08-21 1991-02-22 Controle Mesure Systemes Sa Sonde a courants de foucault pour le controle de profiles creux en matiere ferromagnetique
FR2666414B1 (fr) * 1990-09-05 1994-04-01 Intercontrole Sonde expansible a courants de foucault.
US5969275A (en) * 1998-06-08 1999-10-19 Zetec, Inc. Probe with replaceable centering feet
FR2780510B1 (fr) * 1998-06-25 2002-05-03 Minh Quang Le Dispositif electromagnetique de controle non destructif permettant la creation des champs magnetiques et des courants de foucault dirigeables
US9222917B2 (en) * 2012-07-25 2015-12-29 General Electric Company Broadband eddy current probe
CN113671021B (zh) * 2021-08-13 2024-07-26 四川德源管道科技股份有限公司 一种管道内检测装置

Also Published As

Publication number Publication date
JPS51151591A (en) 1976-12-27
DE2626060A1 (de) 1977-02-03
FR2314496A1 (fr) 1977-01-07
CA1014226A (en) 1977-07-19

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