GB1602559A - Determining the state of the surface of a moving body by means of eddy currents - Google Patents
Determining the state of the surface of a moving body by means of eddy currents Download PDFInfo
- Publication number
- GB1602559A GB1602559A GB23844/78A GB2384478A GB1602559A GB 1602559 A GB1602559 A GB 1602559A GB 23844/78 A GB23844/78 A GB 23844/78A GB 2384478 A GB2384478 A GB 2384478A GB 1602559 A GB1602559 A GB 1602559A
- Authority
- GB
- United Kingdom
- Prior art keywords
- profile
- coil arrangement
- eddy
- terminal network
- state
- 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
Links
- 238000000034 method Methods 0.000 claims description 21
- 238000006073 displacement reaction Methods 0.000 claims description 8
- 238000012544 monitoring process Methods 0.000 claims description 7
- 238000012546 transfer Methods 0.000 claims description 4
- 230000003321 amplification Effects 0.000 claims description 2
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 238000003860 storage Methods 0.000 claims description 2
- 238000005259 measurement Methods 0.000 description 8
- 238000009529 body temperature measurement Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000001052 transient effect Effects 0.000 description 2
- 238000004616 Pyrometry Methods 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000004154 testing of material Methods 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/36—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using magnetic elements, e.g. magnets, coils
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
- G01K13/04—Thermometers specially adapted for specific purposes for measuring temperature of moving solid bodies
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S505/00—Superconductor technology: apparatus, material, process
- Y10S505/825—Apparatus per se, device per se, or process of making or operating same
- Y10S505/842—Measuring and testing
- Y10S505/843—Electrical
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1495277A CH625619A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1977-12-07 | 1977-12-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1602559A true GB1602559A (en) | 1981-11-11 |
Family
ID=4405144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB23844/78A Expired GB1602559A (en) | 1977-12-07 | 1978-05-30 | Determining the state of the surface of a moving body by means of eddy currents |
Country Status (6)
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2234079C2 (ru) * | 2002-09-12 | 2004-08-10 | Общество с ограниченной ответственностью Научно-производственный центр "Технология" | Способ и устройство определения остаточного ресурса тонкостенных оболочек из резервуарных и трубных сталей |
| RU2514822C2 (ru) * | 2012-06-15 | 2014-05-10 | Закрытое Акционерное Общество "Корпоративный институт электротехнического приборостроения "Энергомера" | Способ мониторинга внутренних коррозийных изменений магистрального трубопровода и устройство для его осуществления |
Families Citing this family (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0083047B1 (de) * | 1981-12-24 | 1987-02-04 | Bayerische Motoren Werke Aktiengesellschaft, Patentabteilung AJ-3 | Prüfverfahren für technische Funktionsteile und Vorrichtung zur Durchführung des Verfahrens |
| BE892243A (fr) * | 1982-02-23 | 1982-06-16 | Dev Et D Industrialisation Des | Appareil de controle par courants de foucault a moyens d'equilibrage electroniques. |
| 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 |
| AT387853B (de) * | 1985-03-04 | 1989-03-28 | Elin Union Ag | Verfahren zur temperaturmessung |
| DE3525376A1 (de) * | 1985-07-16 | 1987-01-29 | Nukem Gmbh | Verfahren und vorrichtung zur zerstoerungsfreien pruefung von ferromagnetischen koerpern mit oberflaechenabschnitten, die an kanten und/oder ecken aneinandergrenzen |
| US4746858A (en) * | 1987-01-12 | 1988-05-24 | Westinghouse Electric Corp. | Non destructive testing for creep damage of a ferromagnetic workpiece |
| US5059903A (en) * | 1987-09-21 | 1991-10-22 | Hitachi, Ltd. | Method and apparatus utilizing a magnetic field for detecting degradation of metal material |
| JP2553174B2 (ja) * | 1988-11-28 | 1996-11-13 | 日立電線株式会社 | 光ファイバ式分布形温度計測方法 |
| US4970670A (en) * | 1988-11-30 | 1990-11-13 | Westinghouse Electric Corp. | Temperature compensated eddy current sensor temperature measurement in turbine blade shroud monitor |
| US5006801A (en) * | 1989-06-02 | 1991-04-09 | General Electric Company | Eddy current inspection probe with probe coil resonace reduction |
| US5059905A (en) * | 1989-08-28 | 1991-10-22 | Innovex Inc. | Indication of cutting tool wear by monitoring eddy currents induced in a metallic workpiece |
| US5101366A (en) * | 1989-12-18 | 1992-03-31 | General Electric Company | Method for controlling the manufacture of zirconium tubes |
| US5140264A (en) * | 1991-06-24 | 1992-08-18 | Westinghouse Electric Corp. | Method for non-destructively assessing the condition of a turbine blade using eddy current probes inserted within cooling holes |
| US5659248A (en) * | 1994-10-17 | 1997-08-19 | General Electric Company | Multilayer eddy current probe array for complete coverage of an inspection surface without mechanical scanning |
| US5602474A (en) * | 1995-06-06 | 1997-02-11 | United Technologies Corporation | Detecting cracks in non-uniform areas of metal parts including position correlation |
| US7023205B1 (en) | 2000-08-01 | 2006-04-04 | General Dynamics Advanced Information Systems, Inc. | Eddy current sensor capable of sensing through a conductive barrier |
| US6741074B2 (en) | 2002-03-01 | 2004-05-25 | General Electric Company | Method and apparatus for separating electrical runout from mechanical runout |
| US7140257B2 (en) * | 2002-12-10 | 2006-11-28 | Ashcroft Inc. | Wireless transmitting pressure measurement device |
| US7165461B2 (en) * | 2003-03-27 | 2007-01-23 | Ashcroft, Inc. | Pressure gauge having dual function movement plate |
| WO2004094971A1 (en) * | 2003-03-27 | 2004-11-04 | Dresser, Inc. | Temperature measurement device |
| US7026637B2 (en) * | 2003-06-26 | 2006-04-11 | The Boeing Company | Method and system for measuring runout of a rotating tool |
| US7112762B2 (en) * | 2004-09-30 | 2006-09-26 | Siemens Energy & Automation, Inc. | Systems for correcting slow roll |
| US7635828B2 (en) * | 2004-09-30 | 2009-12-22 | Siemens Energy & Automation, Inc. | Methods for correcting slow roll |
| US7323868B2 (en) | 2005-09-21 | 2008-01-29 | General Dynamics Advanced Information Systems, Inc. | System and method for temperature independent measurement of standoff distance using an eddy current sensor |
| US7162384B1 (en) * | 2005-09-21 | 2007-01-09 | General Dynamics Advanced Information | System and method for temperature compensation of eddy current sensor waveform parameters |
| DE202009004973U1 (de) | 2009-07-01 | 2009-10-22 | Hinterdobler, Walter | Kleider- oder Wäschebügel mit einem Haken mit Schweißperle |
| US8523429B2 (en) * | 2009-10-19 | 2013-09-03 | Tsi Technologies Llc | Eddy current thermometer |
| US9108288B2 (en) * | 2012-08-15 | 2015-08-18 | Siemens Inudstry, Inc. | Methods of removing electrical runout in a machine shaft surface |
| DE102013008068A1 (de) * | 2013-05-10 | 2014-11-13 | Oerlikon Textile Gmbh & Co. Kg | Verfahren und Vorrichtung zur Bestimmung einer Oberflächentemperatur eines induktiv beheizten Walzenmantels |
| US9261382B2 (en) * | 2014-05-22 | 2016-02-16 | General Electric Company | System and method for mechanical runout measurement |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1905966A1 (de) * | 1969-02-06 | 1970-08-20 | Guido Drechsler | Verfahren zur groben Temperaturmessung bei metallischen Werkstoffen |
| US3681970A (en) * | 1970-03-09 | 1972-08-08 | G C Optronics Inc | Method of flaw detection using internal heating |
| US3699429A (en) * | 1970-08-13 | 1972-10-17 | Bergwerksverband Gmbh | A method and apparatus for testing geological strata for identification thereof |
| BE792882A (fr) * | 1971-12-16 | 1973-03-30 | British Steel Corp | Appareil de manutention |
| US3854336A (en) * | 1972-01-26 | 1974-12-17 | Monsanto Co | Method for detecting thermal changes on a surface |
| SE396248B (sv) * | 1972-08-29 | 1977-09-12 | Weber Gunther | Kopplingsanordning for omvandling av en fysikalisk storhet till en elektrisk signal |
| US3841149A (en) * | 1973-01-08 | 1974-10-15 | Interactive Systems | Tool wear detector |
| US3810002A (en) * | 1973-04-02 | 1974-05-07 | T Sata | Method and means for detecting the clogging of a grinding wheel or the like |
| US3882305A (en) * | 1974-01-15 | 1975-05-06 | Kearney & Trecker Corp | Diagnostic communication system for computer controlled machine tools |
| CH568569A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1974-02-06 | 1975-10-31 | Bbc Brown Boveri & Cie | |
| US3939404A (en) * | 1974-07-10 | 1976-02-17 | Dominion Foundries And Steel, Limited | Method of testing for and preventing the possibility of cracking, spalling or like defects in rolling mill rolls by determining the rate of change in hardness |
| FR2305809A1 (fr) * | 1975-03-25 | 1976-10-22 | Crouzet Sa | Dispositif d'authentification de titres monetaires |
| CH586397A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1975-06-16 | 1977-03-31 | Bbc Brown Boveri & Cie | |
| US4010416A (en) * | 1975-08-08 | 1977-03-01 | Westinghouse Electric Corporation | Method and apparatus for testing dielectric adequacy and for indicating physical defects in a nonconducting material |
| SU575472A1 (ru) * | 1975-12-15 | 1977-10-05 | Уральский ордена Трудового Красного Знамени политехнический институт им. С.М.Кирова | Устройство дл бесконтактного контрол профил вращающихс изделий |
| JPS52102060A (en) * | 1976-02-24 | 1977-08-26 | Hitachi Ltd | Method and device for detecting shapes of beveling and bead |
| JPS52111775A (en) * | 1976-03-17 | 1977-09-19 | Nippon Kokan Kk | Temperature measuring instrument and method of using same |
| GB1562853A (en) * | 1976-10-30 | 1980-03-19 | Matsushita Electric Industrial Co Ltd | Corona discharge detection apparatus |
-
1977
- 1977-12-07 CH CH1495277A patent/CH625619A5/de not_active IP Right Cessation
-
1978
- 1978-01-12 DE DE19782801166 patent/DE2801166A1/de not_active Ceased
- 1978-05-30 GB GB23844/78A patent/GB1602559A/en not_active Expired
- 1978-10-19 JP JP12791578A patent/JPS5480176A/ja active Pending
- 1978-12-04 SE SE7812459A patent/SE7812459L/xx unknown
-
1982
- 1982-02-23 US US06/351,494 patent/US4460869A/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2234079C2 (ru) * | 2002-09-12 | 2004-08-10 | Общество с ограниченной ответственностью Научно-производственный центр "Технология" | Способ и устройство определения остаточного ресурса тонкостенных оболочек из резервуарных и трубных сталей |
| RU2514822C2 (ru) * | 2012-06-15 | 2014-05-10 | Закрытое Акционерное Общество "Корпоративный институт электротехнического приборостроения "Энергомера" | Способ мониторинга внутренних коррозийных изменений магистрального трубопровода и устройство для его осуществления |
Also Published As
| Publication number | Publication date |
|---|---|
| CH625619A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1981-09-30 |
| US4460869A (en) | 1984-07-17 |
| DE2801166A1 (de) | 1979-06-13 |
| JPS5480176A (en) | 1979-06-26 |
| SE7812459L (sv) | 1979-06-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] |
Free format text: FOR PRINTING ERROR 1602599 READ 1602559 |
|
| PCNP | Patent ceased through non-payment of renewal fee |