NO125115B - - Google Patents

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Publication number
NO125115B
NO125115B NO166794A NO16679467A NO125115B NO 125115 B NO125115 B NO 125115B NO 166794 A NO166794 A NO 166794A NO 16679467 A NO16679467 A NO 16679467A NO 125115 B NO125115 B NO 125115B
Authority
NO
Norway
Prior art keywords
coils
coil
electroinductive
sample
movement
Prior art date
Application number
NO166794A
Other languages
English (en)
Norwegian (no)
Inventor
A Arnelo
Original Assignee
Essem Metotest Ab
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 Essem Metotest Ab filed Critical Essem Metotest Ab
Publication of NO125115B publication Critical patent/NO125115B/no

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
    • G01N27/904—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 with two or more sensors
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/12—Measuring magnetic properties of articles or specimens of solids or fluids
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
    • G01V3/10—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils
    • G01V3/104—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils using several coupled or uncoupled coils

Landscapes

  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Remote Sensing (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Electrochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Electromagnetism (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geophysics (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
NO166794A 1966-02-14 1967-02-10 NO125115B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE186266 1966-02-14

Publications (1)

Publication Number Publication Date
NO125115B true NO125115B (de) 1972-07-17

Family

ID=20258970

Family Applications (1)

Application Number Title Priority Date Filing Date
NO166794A NO125115B (de) 1966-02-14 1967-02-10

Country Status (7)

Country Link
US (1) US3518533A (de)
AT (1) AT283013B (de)
CH (1) CH464566A (de)
DE (1) DE1648449A1 (de)
GB (1) GB1146771A (de)
NL (1) NL6701191A (de)
NO (1) NO125115B (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3916302A (en) * 1973-11-12 1975-10-28 Combustion Eng Multi-coil eddy current probe for determining angular location of irregularity in cylindrical test member
US4002967A (en) * 1975-08-01 1977-01-11 Aluminum Company Of America Annular eddy current test coil with magnetic laminations adjacent a limited circumferential extent
GB1567600A (en) * 1975-10-15 1980-05-21 British Gas Corp Lipe line inspection equipment
US4203069A (en) * 1977-12-29 1980-05-13 Electric Power Research Institute, Inc. Method and apparatus for non-destructively testing electrically conductive elongate cylindrical components using an eddy current producing coil with a rotor to concentrate the magnetic field in a selected area
GB8807301D0 (en) * 1988-03-26 1988-04-27 Philpot Electronics Ltd Detector
ES2075733T3 (es) * 1992-03-20 1995-10-01 Ceda Spa Dispositivo para detectar defectos superficiales en una barra metalica o varilla de alambre en movimiento.
DE4328712A1 (de) * 1993-08-26 1995-03-02 Foerster Inst Dr Friedrich Verfahren und Einrichtung zum Prüfen von langgestreckten Gegenständen ggf. mit von der Kreisform abweichendem Querschnitt
US7312607B2 (en) * 2004-07-20 2007-12-25 General Inspection Llc Eddy current part inspection system
US7988934B2 (en) * 2006-04-28 2011-08-02 Tecan Trading Ag Carrier for positioning objects in relation to laboratory articles
CH699374B1 (de) * 2006-04-28 2010-02-26 Tecan Trading Ag Träger zum Positionieren von Objekten gegenüber Laborartikeln.
US7633635B2 (en) * 2006-08-07 2009-12-15 GII Acquisitions, LLC Method and system for automatically identifying non-labeled, manufactured parts
ES2396829B1 (es) * 2012-11-06 2013-08-23 La Farga Lacambra, S.A. Sistema de detección de defectos internos profundos en piezas metálicas fabricadas mediante procesos continuos o intermitentes de laminación, trefilado y forja, y método correspondiente

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1129584A (en) * 1914-07-17 1915-02-23 James P B Duffy Magnetic testing device.
US2124579A (en) * 1937-01-30 1938-07-26 Steel And Tubes Inc Method of and apparatus for testing metallic articles
US2267884A (en) * 1939-10-25 1941-12-30 Magnetic Analysis Corp Variable feedback system
US2435985A (en) * 1942-08-12 1948-02-17 Sun Oil Co Electromagnetic apparatus for detecting flaws in suspended pipe
US2337352A (en) * 1942-08-24 1943-12-21 Gen Electric Metal detector
US2882488A (en) * 1954-06-01 1959-04-14 Tuboscope Company Pipe inspection apparatus
GB827577A (en) * 1957-05-15 1960-02-10 Ciba Ltd A specimen holder for making test dyeings
US3299350A (en) * 1964-02-24 1967-01-17 Plastic Applicators Rotating pipe inspection assembly with solenoid operated means to raise and lower the sensor means

Also Published As

Publication number Publication date
US3518533A (en) 1970-06-30
DE1648449A1 (de) 1971-06-24
NL6701191A (de) 1967-08-15
AT283013B (de) 1970-07-27
GB1146771A (en) 1969-03-26
CH464566A (de) 1968-10-31

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