DE68913179D1 - Elektromagnetisches Impulsverfahren zur Detektion von Unregelmässigkeiten an leitfähigen Behältern. - Google Patents
Elektromagnetisches Impulsverfahren zur Detektion von Unregelmässigkeiten an leitfähigen Behältern.Info
- Publication number
- DE68913179D1 DE68913179D1 DE89313474T DE68913179T DE68913179D1 DE 68913179 D1 DE68913179 D1 DE 68913179D1 DE 89313474 T DE89313474 T DE 89313474T DE 68913179 T DE68913179 T DE 68913179T DE 68913179 D1 DE68913179 D1 DE 68913179D1
- Authority
- DE
- Germany
- Prior art keywords
- irregularities
- detection
- electromagnetic pulse
- pulse method
- conductive containers
- 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 - Lifetime
Links
- 238000001514 detection method Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
- G01B7/06—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness
- G01B7/10—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness using magnetic means, e.g. by measuring change of reluctance
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Ecology (AREA)
- Biochemistry (AREA)
- Environmental Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Length-Measuring Devices Using Wave Or Particle Radiation (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/291,632 US4929898A (en) | 1987-12-17 | 1988-12-29 | Transient electromagnetic method for detecting irregularities on conductive containers |
Publications (2)
Publication Number | Publication Date |
---|---|
DE68913179D1 true DE68913179D1 (de) | 1994-03-24 |
DE68913179T2 DE68913179T2 (de) | 1994-08-18 |
Family
ID=23121117
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE68913179T Expired - Lifetime DE68913179T2 (de) | 1988-12-29 | 1989-12-21 | Elektromagnetisches Impulsverfahren zur Detektion von Unregelmässigkeiten an leitfähigen Behältern. |
Country Status (8)
Country | Link |
---|---|
US (1) | US4929898A (de) |
EP (1) | EP0376635B1 (de) |
JP (1) | JP3035596B2 (de) |
AU (1) | AU631832B2 (de) |
CA (1) | CA2005550C (de) |
DE (1) | DE68913179T2 (de) |
HK (1) | HK1005472A1 (de) |
NO (1) | NO302633B1 (de) |
Families Citing this family (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2005551C (en) * | 1988-12-29 | 1999-08-31 | Pedro F. Lara | Transient electromagnetic method for detecting irregularities on conductive containers having variations in jacket thickness |
US4906928A (en) * | 1988-12-29 | 1990-03-06 | Atlantic Richfield Company | Transient electromagnetic apparatus with receiver having digitally controlled gain ranging amplifier for detecting irregularities on conductive containers |
US5881310A (en) * | 1990-07-16 | 1999-03-09 | Atlantic Richfield Company | Method for executing an instruction where the memory locations for data, operation to be performed and storing of the result are indicated by pointers |
US5233297A (en) * | 1990-08-06 | 1993-08-03 | Atlantic Richfield Company | Transient electromagnetic method and apparatus for inspecting conductive objects utilizing sensors that move during inspection |
US5504426A (en) * | 1992-12-07 | 1996-04-02 | Westinghouse Electric Corporation | Check valve position indication system and method |
AU5312296A (en) | 1995-03-14 | 1996-10-02 | Profile Technologies, Inc. | Reflectometry methods for insulated pipes |
CA2247358A1 (en) | 1996-02-27 | 1997-09-04 | Profile Technologies, Inc. | Pipe testing apparatus and method |
US6291992B1 (en) * | 1996-07-12 | 2001-09-18 | Shell Oil Company | Eddy current inspection technique |
US6507662B1 (en) | 1998-09-11 | 2003-01-14 | Quid Technologies Llc | Method and system for biometric recognition based on electric and/or magnetic properties |
US6343140B1 (en) | 1998-09-11 | 2002-01-29 | Quid Technologies Llc | Method and apparatus for shooting using biometric recognition |
US6344741B1 (en) * | 2000-06-20 | 2002-02-05 | Her Majesty The Queen As Represented By The Minister Of National Defence In Right Of Canada | Pulsed eddy current method for detection of corrosion in multilayer structures using the lift-off point of intersection |
US6707296B2 (en) * | 2000-08-24 | 2004-03-16 | Shell Oil Company | Method for detecting cracks in electrically conducting material |
US6593737B2 (en) * | 2000-08-24 | 2003-07-15 | Shell Oil Company | Method for measuring the wall thickness of an electrically conductive object |
US20050007121A1 (en) * | 2003-05-06 | 2005-01-13 | Burnett Gale D. | Systems and methods for non-destructively testing conductive members employing electromagnetic back scattering |
US7196529B2 (en) * | 2003-05-06 | 2007-03-27 | Profile Technologies, Inc. | Systems and methods for testing conductive members employing electromagnetic back scattering |
US7642790B2 (en) * | 2003-05-06 | 2010-01-05 | Profile Technologies, Inc. | Systems and methods for testing conductive members employing electromagnetic back scattering |
US7005851B2 (en) * | 2003-09-30 | 2006-02-28 | General Electric Company | Methods and apparatus for inspection utilizing pulsed eddy current |
JP4886577B2 (ja) * | 2007-04-06 | 2012-02-29 | 新日本製鐵株式会社 | 腐食速度測定用センサ、装置、及び、腐食速度測定方法 |
US8000936B2 (en) * | 2008-11-10 | 2011-08-16 | Saudi Arabian Oil Company | Data analysis system for determining coating conditions of a buried pipeline |
NL2002921C2 (en) * | 2009-05-25 | 2010-11-30 | Ntgen Tech Dienst B V R | A METHOD OR NON-DESTRUCTIVELY TESTING, A SYSTEM AND A COMPUTER PROGRAM PRODUCT. |
CA2727513A1 (en) * | 2010-01-06 | 2011-07-06 | Russell Nde Systems Inc. | Blanket probe |
JP5693404B2 (ja) * | 2011-07-08 | 2015-04-01 | 日置電機株式会社 | 被覆電線の表面汚れ検出装置 |
US20130132034A1 (en) * | 2011-11-23 | 2013-05-23 | Ge Aviation Systems Llc | Method for prognosing a health problem of an apparatus |
US10073058B2 (en) | 2015-02-11 | 2018-09-11 | Structural Integrity Associates | Dynamic pulsed eddy current probe |
US10895555B2 (en) | 2015-03-30 | 2021-01-19 | Structural Integrity Associates, Inc. | System for in-line inspection using a dynamic pulsed eddy current probe and method thereof |
US20160290974A1 (en) * | 2015-03-31 | 2016-10-06 | Mueller International, Llc | Determination of pipe wall failure based on minimum pipe wall thickness |
US9835592B2 (en) | 2015-06-16 | 2017-12-05 | Mueller International, Llc | Determination of tuberculation in a fluid distribution system |
US9880130B2 (en) | 2015-12-15 | 2018-01-30 | Eddyfi Ndt Inc. | Pulsed eddy current testing with dual-purpose coils |
US10067092B2 (en) | 2015-12-18 | 2018-09-04 | Mueller International, Llc | Noisemaker for pipe systems |
US10267774B2 (en) | 2016-02-29 | 2019-04-23 | Mueller International, Llc | External noisemaker for pipe systems |
US10746698B2 (en) * | 2017-01-31 | 2020-08-18 | Exxam Systems, LLC | Eddy current pipeline inspection using swept frequency |
US11726064B2 (en) | 2020-07-22 | 2023-08-15 | Mueller International Llc | Acoustic pipe condition assessment using coherent averaging |
US11609348B2 (en) | 2020-12-29 | 2023-03-21 | Mueller International, Llc | High-resolution acoustic pipe condition assessment using in-bracket pipe excitation |
JP7117050B1 (ja) | 2022-01-14 | 2022-08-12 | 株式会社レジナ | 化粧板及びこれを用いる家具、並びに、化粧板の製造方法及び家具の製造方法 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1698481B1 (de) * | 1963-02-18 | 1969-09-04 | Claus Colani | Vorrichtung zur Untersuchung eines relativ homogenen,gegebenenfalls eine gewisse elektrische Leitfaehigkeit aufweisenden Mediums |
US3875502A (en) * | 1973-05-24 | 1975-04-01 | Foerster Inst Dr Friedrich | Coil arrangement and circuit for eddy current testing |
FR2360070A1 (fr) * | 1976-07-30 | 1978-02-24 | Elf Aquitaine | Dispositif pour le controle de la corrosion de la paroi interne d'une enceinte metallique |
DE2915535A1 (de) * | 1978-04-28 | 1979-11-08 | N Proizv Ob Energia | Verfahren und einrichtung zur zerstoerungsfreien pruefung von rohrleitungen |
MA18895A1 (fr) * | 1979-07-09 | 1981-04-01 | Cie Generale De Geophysique Sa | Procede et dispositif de prospection geophysique a courants transitoires |
US4339720A (en) * | 1980-04-04 | 1982-07-13 | The Anaconda Company | Telluric noise cancellation in induced polarization prospecting |
DE3034426A1 (de) * | 1980-09-12 | 1982-03-25 | Bundesrepublik Deutschland, vertreten durch den Bundesminister für Wirtschaft in Bonn, dieser vertreten durch den Präsidenten der Bundesanstalt für Materialprüfung (BAM), 1000 Berlin | Anordnung zur zerstoerungsfreien pruefung von elektrisch leitfaehigen werkstoffen auf der grundlage des impuls-wirbelstromverfahrens |
FR2541772B1 (fr) * | 1983-02-24 | 1985-06-14 | Aerospatiale | Procede et dispositif pour l'examen non destructif de jonctions rivetees ou analogues au moyen d'une sonde a courants de foucault |
JPS60253966A (ja) * | 1984-05-31 | 1985-12-14 | Shimadzu Corp | 渦流探傷信号のcrt表示方法 |
US4631533A (en) * | 1984-06-15 | 1986-12-23 | Westinghouse Electric Corp. | Display of eddy current detector data |
US4692701A (en) * | 1984-12-13 | 1987-09-08 | Factory Mutual Research | Method of testing steam turbine rotors to determine if they should be retired because of embrittlement |
IT1189660B (it) * | 1986-04-11 | 1988-02-04 | Fiat Auto Spa | Apparecchiatura per rivelare micro difetti superficiali di un pezzo metallico |
US4843320A (en) * | 1987-12-17 | 1989-06-27 | Atlantic Richfield Company | Transient electromagnetic method for detecting corrosion on conductive containers |
US4839593A (en) * | 1987-12-17 | 1989-06-13 | Atlantic Richfield Company | Transient electromagnetic method for directly detecting corrosion on conductive containers |
US4843319A (en) * | 1987-12-17 | 1989-06-27 | Atlantic Richfield Company | Transient electromagnetic method for detecting corrosion on conductive containers having variations in jacket thickness |
-
1988
- 1988-12-29 US US07/291,632 patent/US4929898A/en not_active Expired - Lifetime
-
1989
- 1989-12-14 CA CA002005550A patent/CA2005550C/en not_active Expired - Lifetime
- 1989-12-21 EP EP89313474A patent/EP0376635B1/de not_active Expired - Lifetime
- 1989-12-21 DE DE68913179T patent/DE68913179T2/de not_active Expired - Lifetime
- 1989-12-27 NO NO895275A patent/NO302633B1/no not_active IP Right Cessation
- 1989-12-28 JP JP1345001A patent/JP3035596B2/ja not_active Expired - Lifetime
- 1989-12-29 AU AU47363/89A patent/AU631832B2/en not_active Expired
-
1998
- 1998-05-28 HK HK98104612A patent/HK1005472A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
NO895275L (no) | 1990-07-02 |
CA2005550C (en) | 2000-03-28 |
NO302633B1 (no) | 1998-03-30 |
US4929898A (en) | 1990-05-29 |
HK1005472A1 (en) | 1999-01-08 |
EP0376635B1 (de) | 1994-02-16 |
DE68913179T2 (de) | 1994-08-18 |
JPH02269945A (ja) | 1990-11-05 |
NO895275D0 (no) | 1989-12-27 |
EP0376635A2 (de) | 1990-07-04 |
EP0376635A3 (de) | 1991-02-06 |
JP3035596B2 (ja) | 2000-04-24 |
AU631832B2 (en) | 1992-12-10 |
AU4736389A (en) | 1990-07-05 |
CA2005550A1 (en) | 1990-06-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: PHILLIPS PETROLEUM CO. (N.D.GES.D. STAATES DELAWAR |
|
8327 | Change in the person/name/address of the patent owner |
Owner name: RöNTGEN TECHNISCHE DIENST B.V., ROTTERDAM, NL |