ATE329257T1 - Elektromagnetisch-akustischer umwandlern - Google Patents

Elektromagnetisch-akustischer umwandlern

Info

Publication number
ATE329257T1
ATE329257T1 AT03737348T AT03737348T ATE329257T1 AT E329257 T1 ATE329257 T1 AT E329257T1 AT 03737348 T AT03737348 T AT 03737348T AT 03737348 T AT03737348 T AT 03737348T AT E329257 T1 ATE329257 T1 AT E329257T1
Authority
AT
Austria
Prior art keywords
under test
winding
magnetic unit
material under
electromagnetic
Prior art date
Application number
AT03737348T
Other languages
English (en)
Inventor
David Paige
Robert Andrew Mercel
Original Assignee
Pii 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 Pii Ltd filed Critical Pii Ltd
Application granted granted Critical
Publication of ATE329257T1 publication Critical patent/ATE329257T1/de

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/34—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor
    • G01N29/341—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor with time characteristics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/04—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with electromagnetism
    • B06B1/045—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with electromagnetism using vibrating magnet, armature or coil system
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/22—Details, e.g. general constructional or apparatus details
    • G01N29/24—Probes
    • G01N29/2412—Probes using the magnetostrictive properties of the material to be examined, e.g. electromagnetic acoustic transducers [EMAT]
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/04—Wave modes and trajectories
    • G01N2291/042—Wave modes
    • G01N2291/0422—Shear waves, transverse waves, horizontally polarised waves

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Surgical Instruments (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Golf Clubs (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
AT03737348T 2002-02-05 2003-01-28 Elektromagnetisch-akustischer umwandlern ATE329257T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0202658A GB2385229B (en) 2002-02-05 2002-02-05 Electromagnetic acoustic transducers

Publications (1)

Publication Number Publication Date
ATE329257T1 true ATE329257T1 (de) 2006-06-15

Family

ID=9930443

Family Applications (1)

Application Number Title Priority Date Filing Date
AT03737348T ATE329257T1 (de) 2002-02-05 2003-01-28 Elektromagnetisch-akustischer umwandlern

Country Status (11)

Country Link
US (1) US7024935B2 (de)
EP (1) EP1472533B1 (de)
JP (1) JP4346446B2 (de)
AT (1) ATE329257T1 (de)
AU (1) AU2003244503A1 (de)
CA (1) CA2473971C (de)
DE (1) DE60305878T2 (de)
GB (1) GB2385229B (de)
MX (1) MXPA04007420A (de)
RU (1) RU2298786C2 (de)
WO (1) WO2003067247A1 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0314357D0 (en) * 2003-06-19 2003-07-23 Pii Ltd Electromagnetic acoustic transducer
US7697375B2 (en) * 2004-03-17 2010-04-13 Baker Hughes Incorporated Combined electro-magnetic acoustic transducer
DE102004053584B4 (de) * 2004-11-05 2006-08-31 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zur Materialprüfung und/oder Dickenmessung an einem wenigstens elektrisch leitende und ferromagnetische Materialanteile aufweisenden Prüfobjekt
DE102004054423B3 (de) * 2004-11-10 2006-05-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung zur Materialprüfung und/oder Dickenmessung an einem wenigstens elektrisch leitende und ferromagnetische Materialanteile aufweisenden Prüfobjekt
DE102005060582A1 (de) * 2005-12-17 2007-07-05 Ndt Systems & Services Ag Verfahren und System zur zerstörungsfreien Prüfung eines metallischen Werkstücks
US7546770B2 (en) * 2006-01-05 2009-06-16 General Electric Company Electromagnetic acoustic transducer
US7726193B2 (en) * 2007-09-27 2010-06-01 Baker Hughes Incorporated Electromagnetic acoustic transducer with cross-talk elimination
US8037765B2 (en) * 2007-11-01 2011-10-18 Baker Hughes Incorporated Electromagnetic acoustic transducer using magnetic shielding
US20090231954A1 (en) * 2008-03-17 2009-09-17 Baker Hughes Incorporated Micro-Annulus Detection Using Lamb Waves
US7971487B2 (en) * 2008-05-02 2011-07-05 Carlen Controls, Inc. Linear position transducer with wireless read head
DE102010023028A1 (de) * 2010-06-08 2011-12-08 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. EMUS-Wandlersystem sowie ein Verfahren zur Erzeugung linear polarisierter Transversalwellen mit variabel vorgebbarer Polarisationsrichtung innerhalb eines Prüfkörpers
CN103831227B (zh) * 2014-03-05 2016-04-13 北京工业大学 一种变波长低阶水平剪切波电磁超声换能器
CN106644186B (zh) * 2017-01-26 2022-10-11 中国特种设备检测研究院 巴克豪森阵列传感器及成像方法
US11719090B2 (en) 2019-03-22 2023-08-08 Baker Hughes Oilfield Operations Llc Enhanced cement bond and micro-annulus detection and analysis
RU208045U1 (ru) * 2021-07-05 2021-11-30 Федеральное государственное автономное образовательное учреждение высшего образования «Южно-Уральский государственный университет (национальный исследовательский университет)» ФГАОУ ВО «ЮУрГУ (НИУ)» Магнитострикционное устройство направленного излучения ультразвуковых волн

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3898555A (en) * 1973-12-19 1975-08-05 Tempo Instr Inc Linear distance measuring device using a moveable magnet interacting with a sonic waveguide
JPS5995454A (ja) * 1982-11-24 1984-06-01 Mitsubishi Heavy Ind Ltd 電磁超音波トランスデユ−サ
DE3343310C2 (de) * 1983-11-30 1987-01-29 Gebhard Balluff Fabrik feinmechanischer Erzeugnisse GmbH & Co, 7303 Neuhausen Ultraschall-Wegmesser
DE3515977A1 (de) * 1985-05-03 1986-11-06 Nukem Gmbh, 6450 Hanau Verfahren und vorrichtung zur zerstoerungsfreien pruefung ferromagnetischer koerper
US5121058A (en) * 1988-06-23 1992-06-09 Administrator, National Aeronautics And Space Administration Method and apparatus for using magneto-acoustic remanence to determine embrittlement
DE19543481C2 (de) * 1995-11-22 1997-10-23 Pipetronix Gmbh Vorrichtung zur Prüfung von ferromagnetischen Materialien
US5811682A (en) * 1995-12-13 1998-09-22 Ebara Corporation Electromagnetic acoustic transducer EMAT and inspection system with EMAR
DE19628028A1 (de) * 1996-07-11 1998-01-22 Siemens Ag Prüfvorrichtung und Verfahren zur zerstörungsfreien Werkstoffprüfung
DE50108182D1 (de) * 2000-07-07 2005-12-29 Fraunhofer Ges Forschung Elektromagnetischer ultraschallwandler

Also Published As

Publication number Publication date
RU2004126677A (ru) 2005-04-10
JP4346446B2 (ja) 2009-10-21
WO2003067247A1 (en) 2003-08-14
CA2473971A1 (en) 2003-08-14
DE60305878D1 (de) 2006-07-20
MXPA04007420A (es) 2005-06-17
GB0202658D0 (en) 2002-03-20
JP2005517178A (ja) 2005-06-09
US7024935B2 (en) 2006-04-11
GB2385229A (en) 2003-08-13
RU2298786C2 (ru) 2007-05-10
GB2385229B (en) 2005-04-20
CA2473971C (en) 2010-06-22
DE60305878T2 (de) 2007-06-06
EP1472533B1 (de) 2006-06-07
EP1472533A1 (de) 2004-11-03
US20050172719A1 (en) 2005-08-11
AU2003244503A1 (en) 2003-09-02

Similar Documents

Publication Publication Date Title
ATE329257T1 (de) Elektromagnetisch-akustischer umwandlern
NO20052971D0 (no) Elektromagnetisk ultralyd-omvandler.
DE60201885D1 (de) Elektroakustischer wandler
EP1503372A3 (de) Magnetkopf für senkrechte Aufzeichnung
DE502005007649D1 (de) Lenkwinkelsensor
JPS6231374B2 (de)
ATE525782T1 (de) Lineare antriebseinrichtung mit einem einen magnetträger aufweisenden ankerkörper
ATE553373T1 (de) Elektromagnetischer akustischer wandler
JP2005033917A (ja) 振動発電機
Patil et al. Boosting the performance of magneto-mechano-electric energy generator using magnetic lens
DE60119538D1 (de) Herstellungsverfahren eines magnetkopfes mit planarer wicklung
CN107941902A (zh) 一种使用层叠硅钢片作为背板的高效电磁超声换能器
ATE524730T1 (de) Magnetisches detektionselement und detektionsverfahren
ATE482509T1 (de) Vorrichtung zum umformen von stangenförmigen oder rohrförmigen elektrisch leitenden oder magentisierbaren werkstücken
ATE383650T1 (de) Magnetische kernanordnung und verfahren zum zusammenbau
WO2003054978A3 (en) Vibrating linear actuator and portable information apparatus having the same
JP2002243864A (ja) 音波検層用振源
JPH11288813A (ja) 永久磁石の着磁方法
JP2004089477A (ja) 交流電磁石及び永久磁石による人体の刺激方法及び人体の刺激装置
JP2006015140A5 (de)
RU2270443C2 (ru) Электромагнитно-акустический преобразователь
KR19990086568A (ko) 로렌쯔 힘을 이용한 초음파 탐촉자
JP2021027470A (ja) 電磁超音波探触子
Perov On efficiency of electromagnetic-acoustic exciting the Lamb waves at different thickness of a conductive layer.
RU2006110293A (ru) Вибратор

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties