DE69221367T2 - Felder von Wirbelstromsonden - Google Patents

Felder von Wirbelstromsonden

Info

Publication number
DE69221367T2
DE69221367T2 DE69221367T DE69221367T DE69221367T2 DE 69221367 T2 DE69221367 T2 DE 69221367T2 DE 69221367 T DE69221367 T DE 69221367T DE 69221367 T DE69221367 T DE 69221367T DE 69221367 T2 DE69221367 T2 DE 69221367T2
Authority
DE
Germany
Prior art keywords
fields
eddy current
current probes
probes
eddy
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 - Fee Related
Application number
DE69221367T
Other languages
English (en)
Other versions
DE69221367D1 (de
Inventor
Kristina Helena Valb Hedengren
Robert Philbrick Alley
Richard Oscar Mccary
Richard Joseph Charles
William Paul Kornrumpf
John David Young
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Application granted granted Critical
Publication of DE69221367D1 publication Critical patent/DE69221367D1/de
Publication of DE69221367T2 publication Critical patent/DE69221367T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/72Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
    • G01N27/82Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
    • G01N27/90Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents
    • G01N27/9013Arrangements for scanning
    • G01N27/902Arrangements for scanning by moving the sensors
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/72Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
    • G01N27/82Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
    • G01N27/90Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents
    • G01N27/904Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents with two or more sensors
DE69221367T 1991-05-06 1992-05-05 Felder von Wirbelstromsonden Expired - Fee Related DE69221367T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/696,455 US5389876A (en) 1991-05-06 1991-05-06 Flexible eddy current surface measurement array for detecting near surface flaws in a conductive part

Publications (2)

Publication Number Publication Date
DE69221367D1 DE69221367D1 (de) 1997-09-11
DE69221367T2 true DE69221367T2 (de) 1998-03-19

Family

ID=24797138

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69221367T Expired - Fee Related DE69221367T2 (de) 1991-05-06 1992-05-05 Felder von Wirbelstromsonden

Country Status (4)

Country Link
US (1) US5389876A (de)
EP (1) EP0512796B1 (de)
JP (1) JPH05142205A (de)
DE (1) DE69221367T2 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3066460A1 (de) * 2013-11-06 2016-09-14 Magnetische Prüfanlagen GmbH Wirbelstromsonde und wirbelstrom-prüfgerät
US11604167B2 (en) 2017-04-10 2023-03-14 Prüftechnik Dieter Busch GmbH Differential probe, testing device and production method

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3066460A1 (de) * 2013-11-06 2016-09-14 Magnetische Prüfanlagen GmbH Wirbelstromsonde und wirbelstrom-prüfgerät
US11604167B2 (en) 2017-04-10 2023-03-14 Prüftechnik Dieter Busch GmbH Differential probe, testing device and production method

Also Published As

Publication number Publication date
EP0512796A3 (en) 1993-05-19
EP0512796B1 (de) 1997-08-06
JPH05142205A (ja) 1993-06-08
DE69221367D1 (de) 1997-09-11
EP0512796A2 (de) 1992-11-11
US5389876A (en) 1995-02-14

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Legal Events

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8328 Change in the person/name/address of the agent

Representative=s name: ROEGER UND KOLLEGEN, 73728 ESSLINGEN

8339 Ceased/non-payment of the annual fee