Electricity: measuring and testing – Magnetic – With means to create magnetic field to test material
Patent
1994-04-29
1995-08-15
Strecker, Gerard R.
Electricity: measuring and testing
Magnetic
With means to create magnetic field to test material
324235, 324262, G01N 2782, G01N 2783
Patent
active
054422876
ABSTRACT:
A testing method and apparatus detects magnetic discontinuities in a sample of magnetizable material. The apparatus may include an electric motor, a transmission, driven transport wheels, and non-driven transport wheels. Further, the apparatus includes a magnetizing device for inducing a magnetic field in the sample. A sensor unit detects magnetic stray flux from the magnetic field induced in the sample and converts the detected magnetic stray flux into a signal for processing by a signal processor.
Deeg Helgo
Kammann Reinhold
Knapwost Helmut
Worms Manfred
Strecker Gerard R.
Tuboscope Vetco (Deutschland) GmbH
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