JPS6442402U - - Google Patents

Info

Publication number
JPS6442402U
JPS6442402U JP1988119393U JP11939388U JPS6442402U JP S6442402 U JPS6442402 U JP S6442402U JP 1988119393 U JP1988119393 U JP 1988119393U JP 11939388 U JP11939388 U JP 11939388U JP S6442402 U JPS6442402 U JP S6442402U
Authority
JP
Japan
Prior art keywords
eddy current
probe
coils
axis
coil
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
JP1988119393U
Other languages
English (en)
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 filed Critical
Publication of JPS6442402U publication Critical patent/JPS6442402U/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C17/00—Monitoring; Testing ; Maintaining
    • 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
    • G01B7/14—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring distance or clearance between spaced objects or spaced apertures
    • 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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00—Energy generation of nuclear origin
    • Y02E30/30—Nuclear fission reactors

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Electrochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Monitoring And Testing Of Nuclear Reactors (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Measuring Leads Or Probes (AREA)

Description

【図面の簡単な説明】
第１図は一部切欠いて示した本考案による渦電
流プローブの全体の構成図、第２図は第１図の
―線に沿つた断面図、第３図は第１図の―
線に沿つた断面図、第４図は第１図の―線に
沿つた断面図である。 １０……プローブハウジング、１２……第１の
渦電流コイル、１４，１６……第２及び第３の渦
電流コイル、１８，２０……第４及び第５の渦電
流コイル。

Claims (1)

  1. 【実用新案登録請求の範囲】 (1) 磁性材料中に少くとも部分的に入つて延び
    た孔の位置をマツピングするための渦電流プロー
    ブであつて、マツピングされるべき孔内で上記プ
    ローブの長手方向軸線に平行に摺動挿入可能な大
    きさを持つプローブハウジングと、上記プローブ
    の一端に取り付けられ、上記プローブの上記軸線
    に平行な中心軸線を有する第１の渦電流コイルと
    、上記プローブの上記軸線の一側に配置され、上
    記プローブの軸線に垂直な中心軸線を有する第２
    の渦電流コイルと、上記プローブの軸線に関して
    上記第２の渦電流コイルの反対側で、上記第２の
    渦電流コイルと共通の中心軸線に沿つて重ねて配
    置された第３の渦電流コイルと、上記プローブの
    軸線の一側に配置され、上記プローブの軸線に垂
    直かつ上記第２及び第３の渦電流コイルの中心軸
    線に垂直な中心軸線を有する第４の渦電流コイル
    と、上記プローブの上記軸線に関して上記第４の
    渦電流コイルの反対側で、上記第４の渦電流コイ
    ルと共通の中心軸線に沿つて重ねて配置された第
    ５の渦電流コイルと、それぞれの上記コイルを励
    磁する交流電流を供給する装置と、上記それぞれ
    のコイルの相対的なインピーダンスを表わす電気
    的出力を発生する装置とを備えた渦電流プローブ
    。 (2) 上記第２及び第３の渦電流コイルが、上記
    第４及び第５の渦電流コイルから上記渦電流プロ
    ーブの中心軸線の方向に隔置された実用新案登録
    請求の範囲第１項記載の渦電流プローブ。 (3) 上記第１の渦電流コイルが上記第２及び第
    ３の渦電流コイルから上記渦電流プローブの軸線
    に沿つて隔置された実用新案登録請求の範囲第２
    項記載の渦電流プローブ。 (4) 上記第２及び第３の渦電流コイルならびに
    上記第４及び第５の渦電流コイルが、それぞれブ
    リツジ回路の対辺として接続された実用新案登録
    請求の範囲第１項ないし第３項のいずれか記載の
    渦電流プローブ。 (5) 上記第２及び第３の渦電流コイルがインピ
    ーダンス整合した実用新案登録請求の範囲第４項
    記載の渦電流プローブ。 (6) 上記渦電流コイルが、相互間に磁気遮蔽を
    有する実用新案登録請求の範囲第１項ないし第５
    項のいずれか記載の渦電流プローブ。 (7) 上記第２及び第３の渦電流コイルが、上記
    第１の渦電流コイルにより誘起された渦電流の経
    路を柱状化するように上記第１の渦電流コイルに
    より生じた磁界を集中させるよう構成された実用
    新案登録請求の範囲第１項ないし第６項のいずれ
    か記載の渦電流プローブ。
JP1988119393U 1979-03-19 1988-09-13 Pending JPS6442402U (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/021,652 US4325026A (en) 1979-03-19 1979-03-19 Plural coil eddy current mapping probe

Publications (1)

Publication Number Publication Date
JPS6442402U true JPS6442402U (ja) 1989-03-14

Family

ID=21805417

Family Applications (2)

Application Number Title Priority Date Filing Date
JP3573280A Pending JPS55128105A (en) 1979-03-19 1980-03-19 Method of mapping hole position and eddy current probe for said method
JP1988119393U Pending JPS6442402U (ja) 1979-03-19 1988-09-13

Family Applications Before (1)

Application Number Title Priority Date Filing Date
JP3573280A Pending JPS55128105A (en) 1979-03-19 1980-03-19 Method of mapping hole position and eddy current probe for said method

Country Status (9)

Country Link
US (1) US4325026A (ja)
EP (1) EP0016638B1 (ja)
JP (2) JPS55128105A (ja)
KR (1) KR830002166B1 (ja)
AR (1) AR223865A1 (ja)
CA (1) CA1133067A (ja)
DE (1) DE3065108D1 (ja)
ES (1) ES489708A0 (ja)
PH (1) PH17211A (ja)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3381095D1 (de) * 1982-05-13 1990-02-15 Weidmueller C A Gmbh Co Induktive messanordnung bzw. sensoranordnung und verwendung derselben.
GB8304330D0 (en) * 1983-02-16 1983-03-23 Howell M I Electromagnetic surveying of pipes and cables
US4864239A (en) * 1983-12-05 1989-09-05 General Electric Company Cylindrical bearing inspection
DE3411898A1 (de) * 1984-03-30 1985-10-10 Kraftwerk Union AG, 4330 Mülheim Verfahren zur pruefung von metallischen bauteilen, insbesondere kerntechnischer anlagen, mittels wirbelstrom
DE3420330C1 (de) * 1984-05-30 1985-12-05 Deutsche Forschungs- und Versuchsanstalt für Luft- und Raumfahrt e.V., 5000 Köln Induktiver Sensor und Verfahren zur beruehrungslosen,dreidimensionalen Positionserfassung von Loechern,Bohrungen,Bolzen,Niete u.ae. in bzw. an Metallteilen mittels eines solchen Sensors
US4814702A (en) * 1984-05-31 1989-03-21 Westinghouse Electric Corp. Process for accurately determining the position of the edges of support plates in steam generators
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
US4855677A (en) * 1988-03-11 1989-08-08 Westinghouse Electric Corp. Multiple coil eddy current probe and method of flaw detection
GB8825977D0 (en) * 1988-11-07 1988-12-14 Atomic Energy Authority Uk Eddy current testing system
US5068608A (en) * 1989-10-30 1991-11-26 Westinghouse Electric Corp. Multiple coil eddy current probe system and method for determining the length of a discontinuity
EP0518635B1 (en) * 1991-06-11 2003-05-21 Newt Holdings Limited Probe
US5265129A (en) * 1992-04-08 1993-11-23 R. Brooks Associates, Inc. Support plate inspection device
US5305356B1 (en) * 1992-05-14 1998-09-01 Brooks Support Systems Inc Inspection device
US5429009A (en) * 1993-05-20 1995-07-04 Carnegie Mellon University Robot with cruciform geometry
US7159287B2 (en) * 2001-02-20 2007-01-09 Batesville Services, Inc. Memorialization casket
US7214941B2 (en) * 2004-12-16 2007-05-08 The Gillette Company Crack detection in razor blades
WO2012051136A1 (en) * 2010-10-14 2012-04-19 Halliburton Energy Services, Inc. Method for measuring remote field eddy current thickness in multiple tubular configuration
CN112941882B (zh) * 2021-01-28 2022-12-06 合肥市贵谦信息科技有限公司 一种熔喷布的处理机构及处理方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51103463A (ja) * 1975-03-10 1976-09-13 Toyoda Machine Works Ltd Anasokuteisochi
JPS5237464A (en) * 1975-09-20 1977-03-23 Nippon Kokan Kk <Nkk> Method of measuring bore distribution of pipe

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2103256A (en) * 1934-09-04 1937-12-28 Pittsburgh Dry Stencil Company Method of and means for testing staybolts
US2104643A (en) * 1934-12-13 1938-01-04 Pittsburgh Dry Stencil Company Method of testing and apparatus therefor
US2104646A (en) * 1935-06-20 1938-01-04 Pittsburgh Dry Stencil Company Means for testing
US2782365A (en) * 1950-04-27 1957-02-19 Perforating Guns Atlas Corp Electrical logging apparatus
DE1004387B (de) * 1955-08-29 1957-03-14 Siemens Ag Einrichtung zur induktiven Messung des Radial- oder Axialspieles rotierender Maschinen, insbesondere von Dampfturbinen
US3004215A (en) * 1958-01-27 1961-10-10 Shell Oil Co Magnetic testing device
US3050678A (en) * 1958-11-04 1962-08-21 Shell Oil Co Magnetic testing system for metallic bodies
US3401332A (en) * 1963-11-12 1968-09-10 Magnaflux Corp Magnetic leakage field and eddy current flaw detection system
US3417325A (en) * 1968-02-15 1968-12-17 Ira J. Mccullough Inside pipe diameter caliper using coaxial excitation and pickup coils
US3543144A (en) * 1968-09-23 1970-11-24 American Mach & Foundry Magnetic inspection apparatus for well pipe utilizing detector shoes with outriggers and magnetic latching means for said shoes
US3611119A (en) * 1969-05-19 1971-10-05 Combustion Eng Method for measuring the ferrite content of a material
US3693075A (en) * 1969-11-15 1972-09-19 Forster F M O Eddy current system for testing tubes for defects,eccentricity,and wall thickness
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
CA1014226A (en) 1975-06-12 1977-07-19 Valentino S. Cecco Circumferentially differentiating multiple coil eddy current probe
GB1567600A (en) * 1975-10-15 1980-05-21 British Gas Corp Lipe line inspection equipment
JPS5818603B2 (ja) * 1975-11-07 1983-04-14 コウアセキユ カブシキガイシヤ フシヨクソンモウドケンシユツソウチ
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
US4204159A (en) * 1978-04-18 1980-05-20 Johnson Duane P Eddy-current test probe with segmented circumferential test gap and method for inspection of materials

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51103463A (ja) * 1975-03-10 1976-09-13 Toyoda Machine Works Ltd Anasokuteisochi
JPS5237464A (en) * 1975-09-20 1977-03-23 Nippon Kokan Kk <Nkk> Method of measuring bore distribution of pipe

Also Published As

Publication number Publication date
EP0016638A2 (en) 1980-10-01
CA1133067A (en) 1982-10-05
JPS55128105A (en) 1980-10-03
KR830002351A (ko) 1983-05-28
ES8502260A1 (es) 1984-12-16
ES489708A0 (es) 1984-12-16
DE3065108D1 (en) 1983-11-10
PH17211A (en) 1984-06-19
EP0016638A3 (en) 1980-11-12
AR223865A1 (es) 1981-09-30
KR830002166B1 (ko) 1983-10-17
EP0016638B1 (en) 1983-10-05
US4325026A (en) 1982-04-13

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