Electricity: measuring and testing – Magnetic – Magnetic sensor within material
Patent
1977-12-29
1980-05-13
Rolinec, Rudolph V.
Electricity: measuring and testing
Magnetic
Magnetic sensor within material
324228, G01R 3300, G01N 2786
Patent
active
042030692
ABSTRACT:
Method and apparatus for non-destructively testing fabricated metal components with eddy currents. The apparatus includes a coil for generating a magnetic field and means for concentrating the magnetic field into a small inspection volume in the component being tested. The magnetic field induces eddy currents in the component. The coil and the field concentrating means are moved in a manner to scan the component in a predetermined manner with the concentrated eddy currents.
REFERENCES:
patent: 2104646 (1938-01-01), Greenslade
patent: 3152302 (1964-10-01), Allen et al.
patent: 4002967 (1977-01-01), Fennell
Electric Power Research Institute Inc.
Rolinec Rudolph V.
Snow Walter E.
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