CH615758A5 - - Google Patents

Download PDF

Info

Publication number
CH615758A5
CH615758A5 CH561077A CH561077A CH615758A5 CH 615758 A5 CH615758 A5 CH 615758A5 CH 561077 A CH561077 A CH 561077A CH 561077 A CH561077 A CH 561077A CH 615758 A5 CH615758 A5 CH 615758A5
Authority
CH
Switzerland
Prior art keywords
magnetic flux
ring
measurement object
sensor
magnetic
Prior art date
Application number
CH561077A
Other languages
German (de)
English (en)
Inventor
Frank Kitzinger
Gregory A Wint
Original Assignee
Noranda Mines 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 Noranda Mines Ltd filed Critical Noranda Mines Ltd
Publication of CH615758A5 publication Critical patent/CH615758A5/de

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

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)
CH561077A 1976-05-06 1977-05-05 CH615758A5 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA251,932A CA1038037A (fr) 1976-05-06 1976-05-06 Dispositif d'essai magnetique pour detecter des defauts dans des objets de forme allongee

Publications (1)

Publication Number Publication Date
CH615758A5 true CH615758A5 (fr) 1980-02-15

Family

ID=4105885

Family Applications (1)

Application Number Title Priority Date Filing Date
CH561077A CH615758A5 (fr) 1976-05-06 1977-05-05

Country Status (8)

Country Link
US (1) US4096437A (fr)
AT (1) AT376805B (fr)
CA (1) CA1038037A (fr)
CH (1) CH615758A5 (fr)
FR (1) FR2350600A1 (fr)
GB (1) GB1539313A (fr)
IT (1) IT1084632B (fr)
SE (1) SE424775B (fr)

Families Citing this family (64)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4271763A (en) * 1978-05-15 1981-06-09 Berger Philip H Proximity detector
NZ195142A (en) * 1979-10-15 1984-09-28 Commw Scient Ind Res Org Monitoring integrity of longitudinal steel members in conveyor belts and cables
DE3017979A1 (de) * 1980-05-10 1981-11-12 Institut Dr. Friedrich Förster Prüfgerätebau, 7410 Reutlingen Verfahren und anordnung zum auswerten einer fehlersignalspannung
US4518919A (en) * 1981-01-16 1985-05-21 Tokyo Shibaura Denki Kabushiki Kaisha Detecting device for detecting a magnetic strip embedded in a sheet
WO1983000561A1 (fr) * 1981-07-28 1983-02-17 Melgui, Mikhail, Aleksandrovich Procede et dispositif de controle electromagnetique des proprietes mecaniques d'un objet ferromagnetique en mouvement
US4503393A (en) * 1981-10-05 1985-03-05 Exxon Production Research Co. Method and apparatus for detecting flaws in the threaded end of an elongate member using electromagnetic excitation and an automated scanning sensor
US4510447A (en) * 1981-10-26 1985-04-09 Exxon Production Research Co. Inspection apparatus for electromagnetically detecting flaws in the wall of a pipe
US4573013A (en) * 1982-03-29 1986-02-25 The United States Of America As Represented By The Secretary Of Transportation Magnetic inspection of reinforcing steel rods in prestressed concrete
US4449411A (en) * 1982-04-22 1984-05-22 Magnetic Analysis Corporation Magnetic and ultrasonic objects testing apparatus
US4546316A (en) * 1982-07-02 1985-10-08 Rotesco Limited Magnetic testing device for supported objects
US4555665A (en) * 1982-08-04 1985-11-26 Pa Incorporated Magnetic flux method for measuring tubular wall thickness
US4659991A (en) * 1983-03-31 1987-04-21 Ndt Technologies, Inc. Method and apparatus for magnetically inspecting elongated objects for structural defects
EP0134341A1 (fr) * 1983-08-22 1985-03-20 Rotesco Inc. Appareil de contrôle magnétique pour objets soutenus
US4792756A (en) * 1984-04-11 1988-12-20 Pa Incorporated Method and apparatus for measuring axially extending defects in ferromagnetic elements
US4715442A (en) * 1984-04-11 1987-12-29 Pa Incorporated Apparatus for servicing tubular strings in subterranean wells
US4629991A (en) * 1984-04-11 1986-12-16 Pa Incorporated Methods and apparatus for detecting tubular defects having a plurality of expandable arcuate segments
US4636727A (en) * 1984-04-11 1987-01-13 Pa Incorporated Method and apparatus for detecting the location of defects in tubular sections moving past a well head
US4704580A (en) * 1984-04-11 1987-11-03 Pa Incorporated Method and apparatus for measuring the depth of local defects in ferromagnetic elements
US4710712A (en) * 1984-04-11 1987-12-01 Pa Incorporated Method and apparatus for measuring defects in ferromagnetic elements
PL148290B1 (en) * 1985-03-05 1989-10-31 Wyzsza Szkola Pedagog Magnetic defectograph sensing element for determining changes in cross-sectional areas over substantial length of an object being examined
GB2173300B (en) * 1985-04-06 1989-06-28 Schaudt Maschinenbau Gmbh Apparatus for optically monitoring the surface finish of ground workpieces
DE3535117C1 (de) * 1985-10-02 1986-12-18 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V., 8000 München Verfahren und Vorrichtung zum Vermessen von in nichtmagnetischen Materialien verlegten ferromagnetischen Gegenstaenden
AT389945B (de) * 1986-02-17 1990-02-26 Evg Entwicklung Verwert Ges Verfahren zum ermitteln von fuer die metallurgischen und/oder mechanischen eigenschaften eines magnetisierbaren prueflings massgeblichen parametern auf zerstoerungsfreiem, magnetinduktivem wege, sowie einrichtung zum ausueben dieses verfahrens
ZA871964B (fr) * 1986-03-25 1987-09-07
GB2203549B (en) * 1987-04-15 1991-05-01 Julian Marsden Carroll Metal corrosion detection
GB8714877D0 (en) * 1987-06-25 1987-07-29 Coal Industry Patents Ltd Non-destructive testing device
DE3723360A1 (de) * 1987-07-15 1989-01-26 Nukem Gmbh Verfahren und vorrichtung zur zerstoerungsfreien pruefung ferromagnetischer koerper mittels magnetisierung
US5036277A (en) * 1987-11-23 1991-07-30 Crucible Societe Anonyme Method of and apparatus for detecting cross sectional area variations in an elongate object by the non-inductive measurement of radial flux variations
DE9011478U1 (de) * 1990-08-07 1990-12-20 Nukem GmbH, 63755 Alzenau Anordnung zur zerstörungsfreien Werkstoffprüfung
DE9011477U1 (de) * 1990-08-07 1990-12-20 Nukem GmbH, 63755 Alzenau Anordnung zur zerstörungsfreien Werkstoffprüfung
CA2054797A1 (fr) * 1990-11-07 1992-05-08 Nicolaas T. Van Der Walt Controle electromagnetique de cables metalliques
US5245279A (en) * 1992-06-18 1993-09-14 Niagara Mohawk Power Corporation Apparatus and method including flux injector pole position sensors for detecting physical flaws in ferromagnetic objects
US5565771A (en) * 1995-01-18 1996-10-15 Noranda, Inc. Apparatus for increasing linear resolution of electromagnetic wire rope testing
DE69615815T2 (de) * 1995-10-31 2002-06-06 Nkk Corp., Tokio/Tokyo Vorrichtung zur magnetischen fehlerdetektion
US5828213A (en) * 1996-10-21 1998-10-27 Hickman; Jack R. Method and apparatus for magnetically sampling the uniformity of an elongate object
US6133731A (en) * 1996-11-07 2000-10-17 Case Technologies Ltd. Method and apparatus for the on-line measurement of the strength of metal cables
US5804964A (en) * 1996-11-29 1998-09-08 Noranda Inc. Wire rope damage index monitoring device
US6633159B1 (en) * 1999-03-29 2003-10-14 Otis Elevator Company Method and apparatus for magnetic detection of degradation of jacketed elevator rope
US6100810A (en) * 1999-09-24 2000-08-08 Koorsen; John R. Sensing apparatus for controlling the assembly of rafters by monitoring the position metallic fasteners
GB0005945D0 (en) * 2000-03-14 2000-05-03 British Nuclear Fuels Plc Improvements in and relating to investigating current
GB0005946D0 (en) * 2000-03-14 2000-05-03 British Nuclear Fuels Plc Improvements in and relating to investigating corrosion
WO2002006812A1 (fr) * 2000-07-13 2002-01-24 Eidgenössische Materialprüfungs- und Forschungsanstalt Empa Procede et dispositif de controle non destructif de cables d"acier dans des dispositifs de fixation
EP1337841A1 (fr) 2000-11-09 2003-08-27 British Nuclear Fuels PLC Controle de la perte de materiau due a la corrosion au moyen d'une pluralite de releves de resistance electrique (methode de la signature du champ et tomographie par resistance electrique)
US6990384B2 (en) 2001-10-09 2006-01-24 Laharco, Inc. Truss plate detector
US6720873B1 (en) * 2003-03-03 2004-04-13 Brett D. Tressler Method and apparatus for testing magnetic proximity detectors on ski lifts
US7595636B2 (en) * 2005-03-11 2009-09-29 Baker Hughes Incorporated Apparatus and method of using accelerometer measurements for casing evaluation
WO2006106490A2 (fr) * 2005-04-08 2006-10-12 Nxp B.V. Dispositif a agencement de capteurs
US20070222438A1 (en) * 2006-03-23 2007-09-27 Dale Reeves Electromagnetic flaw detection apparatus for inspection of a tubular
CN101600961B (zh) * 2007-01-31 2013-08-14 三菱电机株式会社 钢丝绳探伤装置
JP5393475B2 (ja) * 2007-11-13 2014-01-22 三菱電機株式会社 ロープ検査装置
US7719266B1 (en) * 2008-02-29 2010-05-18 Mehrooz Zamanzadeh Non-destructive testing apparatus for the detection of corrosion
JP5035729B2 (ja) * 2008-04-28 2012-09-26 国立大学法人京都大学 張力測定装置
US8368395B2 (en) * 2008-12-17 2013-02-05 Ndt Technologies, Inc. Magnetic inspection device and method for detecting loss in metallic cross section
USH2278H1 (en) * 2011-03-02 2013-07-02 The United States Of America, As Represented By The Secretary Of The Navy Onboard data recorder for a nondestructive test wire rope sensor head
WO2013023818A1 (fr) 2011-08-18 2013-02-21 Nv Bekaert Sa Détection d'un défaut de type fuite de flux magnétique dans des cordons
US9651357B1 (en) 2013-02-07 2017-05-16 University Of South Florida Systems and methods for determining strand position in a post-tensioned tendon
FR3009076B1 (fr) * 2013-07-26 2017-03-31 Michelin & Cie Systeme de mesure de l'epaisseur d'une couche de gomme d'un pneumatique
FI126173B (en) 2013-11-12 2016-07-29 Konecranes Global Oy Condition monitoring of an object having an elongated iron-containing longitudinal axis
US20170299666A1 (en) * 2014-11-17 2017-10-19 Halliburton Energy Services, Inc. Rapid Magnetic Hotspot Detector
CN104458895A (zh) * 2014-12-08 2015-03-25 清华大学 管道三维漏磁成像检测方法及系统
FR3034201B1 (fr) * 2015-03-25 2019-04-19 Soletanche Freyssinet Procede de detection d'un defaut dans un fil metallique d'un ensemble de fils metalliques, en particulier pour une zone d'ancrage d'une structure d'ingenierie civile
US10465509B2 (en) 2016-10-12 2019-11-05 Baker Hughes, A Ge Company, Llc Collocated multitone acoustic beam and electromagnetic flux leakage evaluation downhole
CN109100415A (zh) * 2018-09-03 2018-12-28 中国石油大学(北京) 可穿透管道保温层的无损检测装置
US11493319B2 (en) 2021-03-10 2022-11-08 Roger Dale REEVES Electromagnetic multifunction inspection apparatus

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3271664A (en) * 1961-12-04 1966-09-06 Magnaflux Corp Combined leakage field and eddy current detection system
GB1056765A (en) * 1962-09-15 1967-01-25 Akademia Gorniczo Hutnicza Dzi A magnetic crack detection device for examining elongated objects such as ropes, rodsand steel pipes
US3284701A (en) * 1962-09-28 1966-11-08 Camco Inc Magnetic testing apparatus for measuring internal diameter and surface variations in wall casing
US3315154A (en) * 1965-01-18 1967-04-18 United Gas Corp Method and apparatus for determining the wall thickness of metallic elements utilizing a reciprocal permanent magnet assembly
US3443211A (en) * 1965-04-01 1969-05-06 American Mach & Foundry Magnetometer inspection apparatus for ferromagnetic objects
US3361962A (en) * 1966-12-19 1968-01-02 Indiana General Corp Metal detector with adjustable frame assembly
US3529236A (en) * 1967-11-03 1970-09-15 American Mach & Foundry Magnetic flux sensors having core structure of generally closed configuration for use in nondestructive testing
GB1261346A (en) * 1968-03-13 1972-01-26 Atomic Energy Authority Uk Improvements in or relating to the detection of magnetic discontinuities
US3710236A (en) * 1970-11-30 1973-01-09 Youngstown Sheet And Tube Co Magnetic leakage field flaw detector utilizing partially overlapping hall probes
US3843923A (en) * 1973-07-05 1974-10-22 Stewart & Stevenson Inc Jim Well pipe joint locator using a ring magnet and two sets of hall detectors surrounding the pipe

Also Published As

Publication number Publication date
FR2350600A1 (fr) 1977-12-02
IT1084632B (it) 1985-05-25
US4096437A (en) 1978-06-20
GB1539313A (en) 1979-01-31
ATA317477A (de) 1984-05-15
FR2350600B1 (fr) 1981-02-27
SE7705144L (sv) 1977-11-07
SE424775B (sv) 1982-08-09
AT376805B (de) 1985-01-10
CA1038037A (fr) 1978-09-05

Similar Documents

Publication Publication Date Title
CH615758A5 (fr)
EP1452827B1 (fr) Dispositif comprenant une navette mobile dans un tube et un capteur de position pour ladite navette
DE69633356T2 (de) Magnetfelddetektor
DE3789848T2 (de) Magnetischer Streuflussfühler zur zerstörungsfreien Prüfung.
DE2745880C2 (fr)
DE3132808A1 (de) "vorrichtung zur zerstoerungsfreien pruefung ferromagnetischer koerper"
DE3880639T2 (de) Lager mit Magnetfelddetektor.
DE112005001382B4 (de) Magnetische Codiereinheit
CH639774A5 (en) Appliance for non-destructive testing of ferromagnetic specimens
EP0082956A1 (fr) Dispositif de mesure sans contact direct du défaut d'équilibrage
DE10026313A1 (de) Magnetisches zerstörungsfreies Verfahren und Prüfvorrichtung zum Erfassen eines Metallflächenverlustes sowie lokalen Defekten in länglichen ferromagnetischen Gegenständen
DE3041041A1 (de) Magneto-elektrischer wegaufnehmer
DE19630108A1 (de) Einrichtung zur berührungslosen Erfassung der Geschwindigkeit oder Position eines ferromagnetischen Geberteils
DE3821070A1 (de) Vorrichtung fuer die nicht-zerstoerende untersuchung von langgestreckten, magnetisch leitenden elementen
EP0966653B1 (fr) Dispositif et appareil permettant de detecter la position d'un organe de reglage mobile d'un verin
DE3435908A1 (de) Vorrichtung zum beruehrungslosen messen der dicke von materialbahnen aus polymeren werkstoffen
DE10221340A1 (de) Sensoranordnung zur Detektierung eines Drehwinkels einer Welle
DE3510973C2 (fr)
DE2420166A1 (de) Winkelschrittgeber fuer eine elektrische maschine
DE19715991A1 (de) Stellungsdetektor mit einem Magnetfeldsensor
DE3723360A1 (de) Verfahren und vorrichtung zur zerstoerungsfreien pruefung ferromagnetischer koerper mittels magnetisierung
DE4128882C2 (de) Rollsonde für die kontinuierliche Messung der Dicke von Schichten oder Bändern
DE102006007926A1 (de) Sensoranordnung zur Erfassung der Drehzahl und/oder des Drehwinkels eines magnetischen Encoder-Sensor-Systems
EP0503501B1 (fr) Appareil pour déterminer l'écartement entre deux rouleaux
EP3931576B1 (fr) Dispositif et procédé servant à déterminer une vitesse ou une accélération d'un objet électro-conducteur, ainsi que système

Legal Events

Date Code Title Description
PL Patent ceased
PL Patent ceased