FR2319898A1 - Transducteur magnetique en pont - Google Patents

Transducteur magnetique en pont

Info

Publication number
FR2319898A1
FR2319898A1 FR7622751A FR7622751A FR2319898A1 FR 2319898 A1 FR2319898 A1 FR 2319898A1 FR 7622751 A FR7622751 A FR 7622751A FR 7622751 A FR7622751 A FR 7622751A FR 2319898 A1 FR2319898 A1 FR 2319898A1
Authority
FR
France
Prior art keywords
bridge
magnetic transducer
transducer
magnetic
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.)
Granted
Application number
FR7622751A
Other languages
English (en)
French (fr)
Other versions
FR2319898B3 (OSRAM
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Westinghouse Electric Corp
Original Assignee
Westinghouse Electric Corp
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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of FR2319898A1 publication Critical patent/FR2319898A1/fr
Application granted granted Critical
Publication of FR2319898B3 publication Critical patent/FR2319898B3/fr
Granted legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
    • Y02A90/30—Assessment of water resources

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Remote Sensing (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Geology (AREA)
  • Geophysics (AREA)
  • Electromagnetism (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Measuring Magnetic Variables (AREA)
  • Hall/Mr Elements (AREA)
FR7622751A 1975-07-28 1976-07-26 Transducteur magnetique en pont Granted FR2319898A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/599,499 US4088946A (en) 1975-07-28 1975-07-28 Magnetic bridge transducer formed with permanent magnets and a hall effect sensor for identifying the presence and location of ferromagnetic discontinuities within or on a tubular specimen

Publications (2)

Publication Number Publication Date
FR2319898A1 true FR2319898A1 (fr) 1977-02-25
FR2319898B3 FR2319898B3 (OSRAM) 1979-04-13

Family

ID=24399879

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7622751A Granted FR2319898A1 (fr) 1975-07-28 1976-07-26 Transducteur magnetique en pont

Country Status (3)

Country Link
US (1) US4088946A (OSRAM)
JP (1) JPS5224577A (OSRAM)
FR (1) FR2319898A1 (OSRAM)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2459490A1 (fr) * 1979-06-18 1981-01-09 Electric Power Res Inst Procede et dispositif de detection de depots de magnetite dans les echangeurs de chaleur et analogues
EP0716300A1 (en) * 1994-12-05 1996-06-12 Hitachi, Ltd. Measurement system for material deterioration
WO2010037869A1 (fr) * 2008-10-03 2010-04-08 Electricite De France Perfectionnements à la détection de dépôts comportant au moins un matériau ferromagnétique sur ou à proximité de la paroi externe d'un tube

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5733559A (en) * 1980-08-07 1982-02-23 Yoshiko Takekoshi Bleach and sterilization of noodles and pasty food
JPS5758865A (en) * 1980-09-22 1982-04-08 Yoshiko Takekoshi Preraration of macaroni
DE3244891C2 (de) * 1982-12-04 1985-07-11 Angewandte Digital Elektronik Gmbh, 2051 Brunstorf Einrichtung zur berührungslosen Positionsmessung
US4700134A (en) * 1985-01-10 1987-10-13 Anco Engineers, Inc. Method and apparatus for determining the amount of magnetic debris adhering to the exterior of a tube
US4789827A (en) * 1986-10-31 1988-12-06 Electric Power Research Institute Magnetic flux leakage probe with radially offset coils for use in nondestructive testing of pipes and tubes
US5293117A (en) * 1992-05-14 1994-03-08 Western Atlas International, Inc. Magnetic flaw detector for use with ferromagnetic small diameter tubular goods using a second magnetic field to confine a first magnetic field
US5341678A (en) * 1993-05-12 1994-08-30 General Electric Company Method for determining thickness of ferromagnetic material deposition on nuclear fuel rods
US5589664A (en) * 1993-09-21 1996-12-31 Temper Corporation Apparatus for containing electrical components for sensing or measuring magnetic fields
US5864232A (en) * 1996-08-22 1999-01-26 Pipetronix, Ltd. Magnetic flux pipe inspection apparatus for analyzing anomalies in a pipeline wall
US6097183A (en) * 1998-04-14 2000-08-01 Honeywell International Inc. Position detection apparatus with correction for non-linear sensor regions
DE20008413U1 (de) * 2000-05-11 2001-09-13 CAMERON GmbH, 29227 Celle Messvorrichtung
US6792817B2 (en) 2002-08-09 2004-09-21 Visteon Global Technologies, Inc. Fixtures and processes for magnetizing magnetoelastic shafts circumferentially
US20080070499A1 (en) * 2006-09-19 2008-03-20 Hydro Technologies, Inc. Magnetic communication through metal barriers
FR2950432B1 (fr) * 2009-09-24 2015-06-05 Electricite De France Procedes et dispositifs de detection de depots dans les interstices d'une liaison entre un tube et une plaque
FR2950434B1 (fr) * 2009-09-24 2011-11-25 Electricite De France Perfectionnements a la detection de depots comportant au moins un materiau ferromagnetique sur ou a proximite de la paroi externe d'un tube
FR2950433B1 (fr) * 2009-09-24 2014-12-19 Electricite De France Perfectionnements a un procede et dispositif de detection de depots comportant au moins un materiau ferromagnetique sur ou a proximite de la paroi externe d'un tube
CN103257326B (zh) * 2012-02-17 2016-01-20 上海联影医疗科技有限公司 一种材料磁性检测装置及其测试方法
US10215550B2 (en) * 2012-05-01 2019-02-26 Allegro Microsystems, Llc Methods and apparatus for magnetic sensors having highly uniform magnetic fields
FR3028042B1 (fr) 2014-11-05 2016-12-16 Electricite De France Dispositif et procede de detection de depots d'au moins un materiau ferromagnetique sur la paroi externe d'un tube
US11125386B2 (en) * 2019-07-15 2021-09-21 Consolidated Edison Company Of New York, Inc. Sensor for steam trap and method of operation

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2897438A (en) * 1954-04-19 1959-07-28 Well Surveys Inc Casing joint detector
US3060370A (en) * 1960-02-23 1962-10-23 Gen Motors Corp Displacement transducer
GB974516A (en) * 1961-08-15 1964-11-04 Cosmocord Ltd Improvements in and relating to apparatus for detecting the presence of magnetic objects
US3340467A (en) * 1964-06-23 1967-09-05 Beckman Instruments Inc Magnetic metal detector utilizing a magnetic bridge formed with permanent magnets and a hall effect sensor
US3676828A (en) * 1969-10-16 1972-07-11 Denki Onkyo Co Ltd Magnetic switching apparatus

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2459490A1 (fr) * 1979-06-18 1981-01-09 Electric Power Res Inst Procede et dispositif de detection de depots de magnetite dans les echangeurs de chaleur et analogues
EP0716300A1 (en) * 1994-12-05 1996-06-12 Hitachi, Ltd. Measurement system for material deterioration
US5793203A (en) * 1994-12-05 1998-08-11 Hitachi, Ltd. Measurement system with noise reduction circuit
WO2010037869A1 (fr) * 2008-10-03 2010-04-08 Electricite De France Perfectionnements à la détection de dépôts comportant au moins un matériau ferromagnétique sur ou à proximité de la paroi externe d'un tube
FR2936875A1 (fr) * 2008-10-03 2010-04-09 Electricite De France Perfectionnements a la detection de depots comportant au moins un materiau ferromagnetique sur ou a proximite de la paroi externe d'un tube

Also Published As

Publication number Publication date
JPS5224577A (en) 1977-02-24
US4088946A (en) 1978-05-09
FR2319898B3 (OSRAM) 1979-04-13

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