NL1027373C2 - Werkwijze en inrichting voor het niet-destructief onderzoeken van een voorwerp. - Google Patents

Werkwijze en inrichting voor het niet-destructief onderzoeken van een voorwerp. Download PDF

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Publication number
NL1027373C2
NL1027373C2 NL1027373A NL1027373A NL1027373C2 NL 1027373 C2 NL1027373 C2 NL 1027373C2 NL 1027373 A NL1027373 A NL 1027373A NL 1027373 A NL1027373 A NL 1027373A NL 1027373 C2 NL1027373 C2 NL 1027373C2
Authority
NL
Netherlands
Prior art keywords
magnet
sensor
magnetic field
signal
digital
Prior art date
Application number
NL1027373A
Other languages
English (en)
Dutch (nl)
Inventor
Pieter Bestebreurtje
Original Assignee
Sonimex B V
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 Sonimex B V filed Critical Sonimex B V
Priority to NL1027373A priority Critical patent/NL1027373C2/nl
Priority to PCT/NL2005/000760 priority patent/WO2006046859A1/fr
Priority to EP05797956A priority patent/EP1943477A1/fr
Application granted granted Critical
Publication of NL1027373C2 publication Critical patent/NL1027373C2/nl

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
    • G01B7/023—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring distance between sensor and object
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
    • G01B7/06—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness
    • G01B7/10—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness using magnetic means, e.g. by measuring change of reluctance
    • G01B7/105—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness using magnetic means, e.g. by measuring change of reluctance for measuring thickness of coating
    • 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

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
NL1027373A 2004-10-29 2004-10-29 Werkwijze en inrichting voor het niet-destructief onderzoeken van een voorwerp. NL1027373C2 (nl)

Priority Applications (3)

Application Number Priority Date Filing Date Title
NL1027373A NL1027373C2 (nl) 2004-10-29 2004-10-29 Werkwijze en inrichting voor het niet-destructief onderzoeken van een voorwerp.
PCT/NL2005/000760 WO2006046859A1 (fr) 2004-10-29 2005-10-24 Dispositif d'examen non destructeur d'un objet
EP05797956A EP1943477A1 (fr) 2004-10-29 2005-10-24 Dispositif d'examen non destructeur d'un objet

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL1027373 2004-10-29
NL1027373A NL1027373C2 (nl) 2004-10-29 2004-10-29 Werkwijze en inrichting voor het niet-destructief onderzoeken van een voorwerp.

Publications (1)

Publication Number Publication Date
NL1027373C2 true NL1027373C2 (nl) 2006-05-03

Family

ID=34974304

Family Applications (1)

Application Number Title Priority Date Filing Date
NL1027373A NL1027373C2 (nl) 2004-10-29 2004-10-29 Werkwijze en inrichting voor het niet-destructief onderzoeken van een voorwerp.

Country Status (3)

Country Link
EP (1) EP1943477A1 (fr)
NL (1) NL1027373C2 (fr)
WO (1) WO2006046859A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2601158A (en) * 2020-11-20 2022-05-25 Elcometer Ltd Coating thickness measurement instrument
CN115372458A (zh) * 2022-09-01 2022-11-22 国家石油天然气管网集团有限公司 用于动态检测裂纹的装置及方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3496458A (en) * 1966-10-20 1970-02-17 Donald Edgar Bromley Method and apparatus for detecting and measuring cracks in metal structures
US3922599A (en) * 1973-09-12 1975-11-25 Nix Steingroeve Elektro Physik A.C. electromagnetic thickness gauge utilizing premagnetization of the gauge core to render sensitivity independent of thickness
US4716366A (en) * 1984-06-30 1987-12-29 Nippon Kokan K.K. Eddy current distance signal apparatus with temperature change compensation means
EP0305591A2 (fr) * 1982-05-13 1989-03-08 C.A. Weidmüller GmbH & Co. Capteur inductif et dispositif de mesure utilisant ce capteur
GB2306009A (en) * 1995-10-05 1997-04-23 Elcometer Instr Ltd Coating thickness gauge
US20020008511A1 (en) * 2000-07-06 2002-01-24 Colin Davies Dual mode coating thickness measuring instrument

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3496458A (en) * 1966-10-20 1970-02-17 Donald Edgar Bromley Method and apparatus for detecting and measuring cracks in metal structures
US3922599A (en) * 1973-09-12 1975-11-25 Nix Steingroeve Elektro Physik A.C. electromagnetic thickness gauge utilizing premagnetization of the gauge core to render sensitivity independent of thickness
EP0305591A2 (fr) * 1982-05-13 1989-03-08 C.A. Weidmüller GmbH & Co. Capteur inductif et dispositif de mesure utilisant ce capteur
US4716366A (en) * 1984-06-30 1987-12-29 Nippon Kokan K.K. Eddy current distance signal apparatus with temperature change compensation means
GB2306009A (en) * 1995-10-05 1997-04-23 Elcometer Instr Ltd Coating thickness gauge
US20020008511A1 (en) * 2000-07-06 2002-01-24 Colin Davies Dual mode coating thickness measuring instrument

Also Published As

Publication number Publication date
WO2006046859A1 (fr) 2006-05-04
EP1943477A1 (fr) 2008-07-16

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Legal Events

Date Code Title Description
PD2B A search report has been drawn up
V1 Lapsed because of non-payment of the annual fee

Effective date: 20120501