CA1265595A - Appareil a induction electromagnetique pour depister les defauts de surface des pipelines - Google Patents

Appareil a induction electromagnetique pour depister les defauts de surface des pipelines

Info

Publication number
CA1265595A
CA1265595A CA000518404A CA518404A CA1265595A CA 1265595 A CA1265595 A CA 1265595A CA 000518404 A CA000518404 A CA 000518404A CA 518404 A CA518404 A CA 518404A CA 1265595 A CA1265595 A CA 1265595A
Authority
CA
Canada
Prior art keywords
pipe
secondary coils
flaw
primary coil
circuit
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.)
Expired
Application number
CA000518404A
Other languages
English (en)
Inventor
Seigo Ando
Toshiaki Hosoe
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.)
JFE Engineering Corp
Original Assignee
Nippon Kokan 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 Nippon Kokan Ltd filed Critical Nippon Kokan Ltd
Priority to CA000518404A priority Critical patent/CA1265595A/fr
Application granted granted Critical
Publication of CA1265595A publication Critical patent/CA1265595A/fr
Expired legal-status Critical Current

Links

Landscapes

  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
CA000518404A 1986-09-17 1986-09-17 Appareil a induction electromagnetique pour depister les defauts de surface des pipelines Expired CA1265595A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA000518404A CA1265595A (fr) 1986-09-17 1986-09-17 Appareil a induction electromagnetique pour depister les defauts de surface des pipelines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA000518404A CA1265595A (fr) 1986-09-17 1986-09-17 Appareil a induction electromagnetique pour depister les defauts de surface des pipelines

Publications (1)

Publication Number Publication Date
CA1265595A true CA1265595A (fr) 1990-02-06

Family

ID=4133955

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000518404A Expired CA1265595A (fr) 1986-09-17 1986-09-17 Appareil a induction electromagnetique pour depister les defauts de surface des pipelines

Country Status (1)

Country Link
CA (1) CA1265595A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115201320A (zh) * 2022-07-15 2022-10-18 东北大学 一种基于elf衰减场的管道内外检测机器人自适应联动方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115201320A (zh) * 2022-07-15 2022-10-18 东北大学 一种基于elf衰减场的管道内外检测机器人自适应联动方法

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Legal Events

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