SE8901037L - Saett och anordningfoer generering av roerligt magne tfaelt - Google Patents

Saett och anordningfoer generering av roerligt magne tfaelt

Info

Publication number
SE8901037L
SE8901037L SE8901037A SE8901037A SE8901037L SE 8901037 L SE8901037 L SE 8901037L SE 8901037 A SE8901037 A SE 8901037A SE 8901037 A SE8901037 A SE 8901037A SE 8901037 L SE8901037 L SE 8901037L
Authority
SE
Sweden
Prior art keywords
coil
flux
ferrite rod
crack
currents
Prior art date
Application number
SE8901037A
Other languages
Unknown language ( )
English (en)
Other versions
SE465232B (sv
SE8901037D0 (sv
Inventor
Bengt Hjalmar Toernblom
Original Assignee
Bengt Hjalmar Toernblom
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 Bengt Hjalmar Toernblom filed Critical Bengt Hjalmar Toernblom
Priority to SE8901037A priority Critical patent/SE465232B/sv
Publication of SE8901037D0 publication Critical patent/SE8901037D0/sv
Priority to EP19900105044 priority patent/EP0388821A3/en
Priority to JP7171790A priority patent/JPH02280048A/ja
Priority to CA 2012773 priority patent/CA2012773A1/en
Publication of SE8901037L publication Critical patent/SE8901037L/sv
Publication of SE465232B publication Critical patent/SE465232B/sv

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
    • G01N27/9013—Arrangements for scanning
    • G01N27/902—Arrangements for scanning by moving the 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)
SE8901037A 1989-03-23 1989-03-23 Anordning foer provning av aemnen SE465232B (sv)

Priority Applications (4)

Application Number Priority Date Filing Date Title
SE8901037A SE465232B (sv) 1989-03-23 1989-03-23 Anordning foer provning av aemnen
EP19900105044 EP0388821A3 (en) 1989-03-23 1990-03-17 Method for testing and/or measuring by means of a fluxgenerating sub-device
JP7171790A JPH02280048A (ja) 1989-03-23 1990-03-20 試験測定方法および装置
CA 2012773 CA2012773A1 (en) 1989-03-23 1990-03-22 Method and device for testing an object using magnetic flux

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8901037A SE465232B (sv) 1989-03-23 1989-03-23 Anordning foer provning av aemnen

Publications (3)

Publication Number Publication Date
SE8901037D0 SE8901037D0 (sv) 1989-03-23
SE8901037L true SE8901037L (sv) 1990-09-24
SE465232B SE465232B (sv) 1991-08-12

Family

ID=20375434

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8901037A SE465232B (sv) 1989-03-23 1989-03-23 Anordning foer provning av aemnen

Country Status (4)

Country Link
EP (1) EP0388821A3 (sv)
JP (1) JPH02280048A (sv)
CA (1) CA2012773A1 (sv)
SE (1) SE465232B (sv)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4342685A1 (de) * 1993-12-15 1995-06-22 Foerster Inst Dr Friedrich Verfahren und Vorrichtung zur Prüfung von Oberflächen auf Inhomogenitäten
US7305986B1 (en) 1999-07-23 2007-12-11 Mannkind Corporation Unit dose capsules for use in a dry powder inhaler
CN113640717B (zh) * 2021-07-28 2023-10-03 哈尔滨工业大学 一种电器元件内部条形永磁体截面磁通间接测量方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE674879C (de) * 1934-01-09 1939-04-24 Aeg Vorrichtung zum Feststellen von Inhomogenitaeten in ferromagnetischen Werkstoffen
US4095181A (en) * 1976-12-17 1978-06-13 The Boeing Company Rotating pot shaped eddy current probe in which only a small fraction of the lip forming the outer core portion is retained
US4673879A (en) * 1984-06-27 1987-06-16 Rupublic Steel Corporation Eddy current flaw detector having rotatable field defining sleeve for selectively enhancing induced eddy currents in a workpiece

Also Published As

Publication number Publication date
JPH02280048A (ja) 1990-11-16
EP0388821A3 (en) 1990-12-12
CA2012773A1 (en) 1990-09-23
EP0388821A2 (en) 1990-09-26
SE465232B (sv) 1991-08-12
SE8901037D0 (sv) 1989-03-23

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