NL184387C - METHOD AND APPARATUS FOR PERFORMING A NON-DESTRUCTIVE WAY OF CHECKING BY FOUCAULTS FLOWS - Google Patents
METHOD AND APPARATUS FOR PERFORMING A NON-DESTRUCTIVE WAY OF CHECKING BY FOUCAULTS FLOWSInfo
- Publication number
- NL184387C NL184387C NLAANVRAGE7609666,A NL7609666A NL184387C NL 184387 C NL184387 C NL 184387C NL 7609666 A NL7609666 A NL 7609666A NL 184387 C NL184387 C NL 184387C
- Authority
- NL
- Netherlands
- Prior art keywords
- foucaults
- checking
- flows
- destructive way
- destructive
- Prior art date
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
- G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
- G01N27/90—Investigating 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
- G01N27/9046—Investigating 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 by analysing electrical signals
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2265/00—Safety or protection arrangements; Arrangements for preventing malfunction
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7527615A FR2324003A1 (en) | 1975-09-09 | 1975-09-09 | NON DESTRUCTIVE EDD CURRENT CONTROL PROCESS AND CORRESPONDING DEVICE, USING MULTI-FREQUENCY EXCITATION AND ALLOWING THE ELIMINATION OF CERTAIN PARAMETERS |
Publications (2)
Publication Number | Publication Date |
---|---|
NL7609666A NL7609666A (en) | 1977-03-11 |
NL184387C true NL184387C (en) | 1989-07-03 |
Family
ID=9159766
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NLAANVRAGE7609666,A NL184387C (en) | 1975-09-09 | 1976-08-31 | METHOD AND APPARATUS FOR PERFORMING A NON-DESTRUCTIVE WAY OF CHECKING BY FOUCAULTS FLOWS |
Country Status (14)
Country | Link |
---|---|
JP (1) | JPS602619B2 (en) |
BE (1) | BE845928A (en) |
BR (1) | BR7605858A (en) |
CA (1) | CA1070766A (en) |
DD (1) | DD126270A5 (en) |
DE (1) | DE2637201A1 (en) |
ES (1) | ES451374A1 (en) |
FI (1) | FI59302C (en) |
FR (1) | FR2324003A1 (en) |
GB (1) | GB1521203A (en) |
IT (1) | IT1074264B (en) |
NL (1) | NL184387C (en) |
SE (1) | SE418905B (en) |
ZA (1) | ZA764982B (en) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2428234A1 (en) * | 1978-06-07 | 1980-01-04 | Tornbloms Kvalitetskontroll Ab | Non-destructive electrically conducting material testing - using magnetic fields of different fields and variable control signal detector (SW 3.7.78) |
FR2443682A1 (en) * | 1978-12-07 | 1980-07-04 | Commissariat Energie Atomique | CIRCUIT FOR AUTOMATIC CORRECTION OF A SIGNAL TRANSMITTED BY AN IMBALANCE DIFFERENTIAL SENSOR |
US4292589A (en) * | 1979-05-09 | 1981-09-29 | Schlumberger Technology Corporation | Eddy current method and apparatus for inspecting ferromagnetic tubular members |
US4303885A (en) * | 1979-06-18 | 1981-12-01 | Electric Power Research Institute, Inc. | Digitally controlled multifrequency eddy current test apparatus and method |
US4467281A (en) * | 1980-02-29 | 1984-08-21 | Electric Power Research Institute, Inc. | Multi frequency eddy current test apparatus with intermediate frequency processing |
US4424486A (en) * | 1980-10-14 | 1984-01-03 | Zetec, Inc. | Phase rotation circuit for an eddy current tester |
JPS5791058U (en) * | 1980-11-25 | 1982-06-04 | ||
JPS5817354A (en) * | 1981-06-12 | 1983-02-01 | Kobe Steel Ltd | Inspection of pipe material by multifrequency eddy current flaw detection |
JPS58137748A (en) * | 1982-02-12 | 1983-08-16 | Ishikawajima Harima Heavy Ind Co Ltd | Eddy current examination method |
DE3313820A1 (en) * | 1983-04-16 | 1984-10-18 | Institut Dr. Friedrich Förster Prüfgerätebau GmbH & Co KG, 7410 Reutlingen | DEVICE FOR TESTING THE SURFACE OF A METAL TEST PART |
CA1212997A (en) * | 1983-12-16 | 1986-10-21 | Gerard Durou | Frequency scanning eddy current non destructive testing method and system |
FR2562668B1 (en) * | 1984-04-05 | 1987-11-27 | Sncf | DEVICE FOR TRACKING DEFECTS OF RAILWAY RAILS BY EDGE CURRENTS, CAPABLE OF DISCRIMINATING DEFECTS OF CERTAIN DISCONTINUITIES IN RAIL CONSTRUCTION |
JPS60262052A (en) * | 1984-06-08 | 1985-12-25 | Sumitomo Metal Ind Ltd | Heterogeneous material discrimination |
JPS6273158A (en) * | 1985-09-27 | 1987-04-03 | Daizaburo Iwasaki | Signal processing method and apparatus in eddy current flaw detection test |
JPS62255863A (en) * | 1986-04-28 | 1987-11-07 | Furukawa Electric Co Ltd:The | Eddy current flaw detector |
SE456864B (en) * | 1986-08-27 | 1988-11-07 | Toernbloms Kvalitetskontroll | DEVICE FOR DETECTING AND SUPPRESSING THE IMPACT OF INTERNATIONAL MAGNETIC FIELD DURING THE VERTICAL FLOW TEST OF OMAGNETIC PROVOBJECTS |
FR2627862A1 (en) * | 1988-02-26 | 1989-09-01 | Commissariat Energie Atomique | IMPULSIVE FOUCAULT CURRENT MONITORING METHOD AND DEVICE FOR IMPLEMENTING THE SAME |
US5017869A (en) * | 1989-12-14 | 1991-05-21 | General Electric Company | Swept frequency eddy current system for measuring coating thickness |
FR2724019B1 (en) * | 1994-08-31 | 1997-04-30 | Intercontrole Sa | METHOD OF DIGITAL ANALYSIS OF A SIGNAL, IN PARTICULAR FOR EDGE CURRENT CONTROL |
FR2758882B1 (en) * | 1997-01-27 | 1999-04-09 | Intercontrole Sa | METHOD OF NON-DESTRUCTIVE MONITORING BY EDGE CURRENTS OF NUCLEAR REACTOR CONTROL CLUSTERS IN THE PRESENCE OF DISTURBING ELEMENTS |
US6815957B2 (en) | 2001-09-24 | 2004-11-09 | Alstom (Switzerland) Ltd | Method and device for inspecting laminated iron cores of electrical machines for interlamination shorts |
EP1430297B1 (en) * | 2001-09-24 | 2006-06-14 | ALSTOM Technology Ltd | Method and device for controlling laminated steel sheet stacks of electrical machines in a view to detect steel sheet short-circuits |
JP4762672B2 (en) * | 2005-10-27 | 2011-08-31 | 非破壊検査株式会社 | Magnetic material bending portion fracture inspection method and inspection apparatus |
CZ306012B6 (en) * | 2014-09-03 | 2016-06-22 | Vysoké Učení Technické V Brně | Non-destructive indicator of local subsurface non-homogeneities |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3706029A (en) * | 1971-11-16 | 1972-12-12 | Atomic Energy Commission | Multiple parameter eddy current nondestructive testing device using plural transformation rotators to resolve each parameter |
-
1975
- 1975-09-09 FR FR7527615A patent/FR2324003A1/en active Granted
-
1976
- 1976-08-18 DE DE19762637201 patent/DE2637201A1/en active Granted
- 1976-08-19 ZA ZA764982A patent/ZA764982B/en unknown
- 1976-08-27 CA CA260,058A patent/CA1070766A/en not_active Expired
- 1976-08-30 IT IT69113/76A patent/IT1074264B/en active
- 1976-08-31 NL NLAANVRAGE7609666,A patent/NL184387C/en not_active IP Right Cessation
- 1976-09-03 BR BR7605858A patent/BR7605858A/en unknown
- 1976-09-08 SE SE7609913A patent/SE418905B/en not_active IP Right Cessation
- 1976-09-08 FI FI762581A patent/FI59302C/en not_active IP Right Cessation
- 1976-09-08 GB GB37174/76A patent/GB1521203A/en not_active Expired
- 1976-09-08 BE BE170414A patent/BE845928A/en not_active IP Right Cessation
- 1976-09-09 DD DD194716A patent/DD126270A5/xx unknown
- 1976-09-09 JP JP51108390A patent/JPS602619B2/en not_active Expired
- 1976-09-09 ES ES451374A patent/ES451374A1/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
SE7609913L (en) | 1977-03-10 |
DD126270A5 (en) | 1977-07-06 |
DE2637201A1 (en) | 1977-03-17 |
FR2324003B1 (en) | 1979-03-02 |
IT1074264B (en) | 1985-04-20 |
DE2637201C2 (en) | 1987-10-08 |
SE418905B (en) | 1981-06-29 |
JPS602619B2 (en) | 1985-01-23 |
ZA764982B (en) | 1977-07-27 |
CA1070766A (en) | 1980-01-29 |
FI59302C (en) | 1981-07-10 |
BE845928A (en) | 1976-12-31 |
FI762581A (en) | 1977-03-10 |
ES451374A1 (en) | 1977-12-16 |
FR2324003A1 (en) | 1977-04-08 |
FI59302B (en) | 1981-03-31 |
GB1521203A (en) | 1978-08-16 |
JPS5233791A (en) | 1977-03-15 |
BR7605858A (en) | 1977-08-16 |
NL7609666A (en) | 1977-03-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
NL184387C (en) | METHOD AND APPARATUS FOR PERFORMING A NON-DESTRUCTIVE WAY OF CHECKING BY FOUCAULTS FLOWS | |
NL181148C (en) | METHOD AND APPARATUS FOR MEASURING THE DENSITY OF A GEOLOGICAL FORMATION WITH GAMMA RAYS | |
NL180339C (en) | METHOD AND APPARATUS FOR TESTING THE PRODUCTIVITY OF AN EARTH FORMATION | |
NL7604420A (en) | METHOD AND MEANS FOR ANALYZING A LIQUID MEDIUM FOR THE PRESENCE OF A LIGAND. | |
NL7513720A (en) | METHOD OF SEPARATING ISOTOPES BY MEANS OF A LASER. | |
NL7812283A (en) | METHOD AND DEVICE FOR PERFORMING AN ELECTROLYSIS PROCESS. | |
NL7705344A (en) | METHOD AND DEVICE FOR THE CONTROL OF GAS ANALYSIS EQUIPMENT. | |
NL186471C (en) | METHOD AND APPARATUS FOR CHECKING EGGS FOR CRACKS OR BREAKS. | |
NL7904500A (en) | METHOD AND APPARATUS FOR MEASURING THE CONTENT OR QUANTITY OF A GIVEN ELEMENT BY means of X-rays. | |
NL7607169A (en) | METHOD AND DEVICE FOR ELIMINATING THE RESIDUAL ERROR VOLTAGE OF AN AMPLIFIER. | |
NL7603871A (en) | METHOD AND DEVICE FOR COMBINING TWO LIQUIDS OF DIFFERENT TYPES OF WEIGHT. | |
NL171533C (en) | PROCESS FOR PREPARING AN OXYGEN-TRANSMITTING EMULSION OF PERFLUOR DECALIEN AND / OR PERFLUORMETHYLD DECALIEN. | |
NL184428C (en) | METHOD FOR PREPARING AN OIL-IN-WATER EMULSION | |
NL169228B (en) | Apparatus for non-destructive assessment of a welded joint. | |
NL172030C (en) | METHOD AND APPARATUS FOR ENRICHING URANUM ON ONE OF ITS ISOTOPES | |
NL7507601A (en) | METHOD AND DEVICE FOR EXAMINING AN OBJECT BY MEANS OF A BEAM BEAM. | |
NL165294B (en) | METHOD AND APPARATUS FOR MEASURING THE CONCENTRATION OF A GAS. | |
NL7712381A (en) | METHOD AND EQUIPMENT FOR THE SEPARATION OF ISOTOPES BY MEANS OF THE CENTRIFUGATION OF GAS. | |
NL7515242A (en) | METHOD AND DEVICE FOR SPECTRAL ANALYSIS. | |
NL184387B (en) | METHOD AND STRUCTURE FOR PERFORMING AN INSPECTION BY NON-DESTRUCTIVE WAY BY MEANS OF FOUCAULTSE FLOWS. | |
NL7611197A (en) | DEVICE AND METHOD FOR ULTRASONIC INSPECTION OF VERTICAL BODIES. | |
NL7714166A (en) | METHOD AND APPARATUS FOR MEASURING THE CONCENTRATION OF A FLUIDUM | |
NL7608863A (en) | WELL FOR A PROBE OF A DENSITOMETER. | |
NL7611068A (en) | METHOD FOR DETERMINING A CONCENTRATION OF CERTAIN MINERALS AND A APPROPRIATE DEVICE FOR THIS. | |
NL185711C (en) | METHOD FOR FLAMMING OR FLUSHING LAMINATES |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
BA | A request for search or an international-type search has been filed | ||
BB | A search report has been drawn up | ||
BC | A request for examination has been filed | ||
A85 | Still pending on 85-01-01 | ||
V4 | Lapsed because of reaching the maximum lifetime of a patent |
Free format text: 960831 |