BG108392A - Метод и устройство за определяне на материал за тръбопроводи - Google Patents

Метод и устройство за определяне на материал за тръбопроводи

Info

Publication number
BG108392A
BG108392A BG108392A BG10839203A BG108392A BG 108392 A BG108392 A BG 108392A BG 108392 A BG108392 A BG 108392A BG 10839203 A BG10839203 A BG 10839203A BG 108392 A BG108392 A BG 108392A
Authority
BG
Bulgaria
Prior art keywords
pipe
secondary winding
pipe material
winding
primary winding
Prior art date
Application number
BG108392A
Other languages
English (en)
Inventor
John F. Burd
Original Assignee
Lattice Intellectual Property 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 Lattice Intellectual Property Ltd filed Critical Lattice Intellectual Property Ltd
Publication of BG108392A publication Critical patent/BG108392A/bg

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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/20—Metals
    • G01N33/202—Constituents thereof
    • G01N33/2028—Metallic constituents

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Pathology (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Geophysics And Detection Of Objects (AREA)
BG108392A 2001-06-01 2003-11-28 Метод и устройство за определяне на материал за тръбопроводи BG108392A (bg)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB0113206.7A GB0113206D0 (en) 2001-06-01 2001-06-01 Pipe material discrimination
PCT/GB2002/002242 WO2002097424A2 (en) 2001-06-01 2002-05-28 Pipe material discrimination

Publications (1)

Publication Number Publication Date
BG108392A true BG108392A (bg) 2004-07-30

Family

ID=9915622

Family Applications (1)

Application Number Title Priority Date Filing Date
BG108392A BG108392A (bg) 2001-06-01 2003-11-28 Метод и устройство за определяне на материал за тръбопроводи

Country Status (9)

Country Link
US (1) US20040189291A1 (bg)
EP (1) EP1395815A2 (bg)
CN (1) CN1527939A (bg)
BG (1) BG108392A (bg)
CA (1) CA2448212A1 (bg)
GB (2) GB0113206D0 (bg)
PL (1) PL364022A1 (bg)
RU (1) RU2003134640A (bg)
WO (1) WO2002097424A2 (bg)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7248041B2 (en) * 2003-07-28 2007-07-24 Cummins, Inc. Device and method for measuring transient magnetic performance
JP6182695B2 (ja) * 2013-02-12 2017-08-16 健一 田島 複素透磁率測定装置とその測定方法および応用。

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1286965A (en) * 1918-06-27 1918-12-10 Western Electric Co Magnet-core.
US1647738A (en) * 1927-01-05 1927-11-01 Bell Telephone Labor Inc Insulation of magnetic material
US4704579A (en) * 1978-03-31 1987-11-03 Pyatt Lawrence A Method of distinguishing material characteristics in a well bore for controlling photograph taking in the well bore
EP0211905B1 (en) * 1985-02-15 1990-10-03 The Broken Hill Proprietary Company Limited Classification of steel
WO1986004991A1 (en) * 1985-02-15 1986-08-28 The Broken Hill Proprietary Company Limited Classification of steel
GB8826817D0 (en) * 1988-11-16 1988-12-21 Nat Nuclear Corp Ltd Eddy current non-destructive examination
US5532587A (en) * 1991-12-16 1996-07-02 Vetco Pipeline Services, Inc. Magnetic field analysis method and apparatus for determining stress characteristics in a pipeline
JP3428734B2 (ja) * 1994-08-01 2003-07-22 東京瓦斯株式会社 金属管探傷装置及び金属管探傷方法
JPH0854375A (ja) * 1994-08-11 1996-02-27 Kaisei Enjinia Kk 電磁誘導型検査装置
GB2296973A (en) * 1994-11-25 1996-07-17 Colin Andrew Reason Metal discriminator
US6114849A (en) * 1998-04-17 2000-09-05 United Western Technologies Corp. Flexible eddy current test probe

Also Published As

Publication number Publication date
CN1527939A (zh) 2004-09-08
GB0212255D0 (en) 2002-07-10
GB2378513A (en) 2003-02-12
WO2002097424A2 (en) 2002-12-05
GB0113206D0 (en) 2001-07-25
RU2003134640A (ru) 2005-04-10
EP1395815A2 (en) 2004-03-10
US20040189291A1 (en) 2004-09-30
WO2002097424A3 (en) 2003-01-23
CA2448212A1 (en) 2002-12-05
PL364022A1 (en) 2004-11-29

Similar Documents

Publication Publication Date Title
WO2003094364A3 (en) High current inductive coupler and current transformer for power lines
ATE422055T1 (de) Magnetfeldsensor
WO2004042188A3 (en) Down hole induction heating tool and method of operating and manufacturing same
DE60219516D1 (de) Vorrichtung und verfahren zur elektrischen kupplung
DE69931267D1 (de) Verfahren und Vorrichtung zur Münzidentifizierung
HK1077634A1 (en) Measurement probe and authentication device and method comprising the same
EP0947891A3 (en) Heating roller for a fixing apparatus
WO2002021458A3 (en) Document sensing apparatus and method
ATE371236T1 (de) Münzunterscheidungsvorrichtung, in der frequenzen von wirbelströmen gemessen werden
BG108392A (bg) Метод и устройство за определяне на материал за тръбопроводи
NO923343L (no) Fremgangsmaate og system til undersoeking av armeringsstaal i betong
DK1533880T3 (da) Indretning og fremgangsmåde til differentialbeskyttelse samt elektrisk apparat, der omfatter en sådan indretning
SE9502528L (sv) Förfarande och anordning för induktiv mätning av fysikaliska storheter hos ett objekt av metalliskt material jämte användning av förfarandet och anordningen
FR2721137B1 (fr) Transformateur électrique ou bobine inductive torique.
ATE327204T1 (de) Drahtspule und restdrahterkennungsverfahren
EP0715179A3 (en) Method for detecting full magnetisation of electropermanent magnets
EP1108887A3 (en) Ignition coil
US2994034A (en) Apparatus for indicating the level of a magnetizable substance in a bin
UA29644A (uk) Спосіб виготовлення котушки електромагнітного вагоносповільнювача
JPH09189772A (ja) 金属物探知用電磁誘導センサ
FI910009A (fi) Stroem-spaenningsomvandlare foer elektroniska hushaollselmaetare.
FR2809529B1 (fr) Ensemble de bobine electromagnetique pour un dispositif electromagnetique
JPS57136159A (en) Eddy current system metal internal defect finding method and device
DE69820587D1 (de) Siliziumstahl mit niedrigem Restgehalt an magnetische Flussdichte
FR2703457B1 (fr) Méthode et dispositif pour déterminer la perméabilité d'une formation souterraine.