Eddy current detector
An eddy probe is provided for identifying non-homogeneous objects in a material. The probe includes a power supply, an oscillator to produce electrical excitation powered by said power supply, a plurality of eddy current detectors, each detector measuring eddy current density, a marker disposed adja...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | An eddy probe is provided for identifying non-homogeneous objects in a material. The probe includes a power supply, an oscillator to produce electrical excitation powered by said power supply, a plurality of eddy current detectors, each detector measuring eddy current density, a marker disposed adjacent said plurality for indicating a location on the material in response to a maximum of the eddy current density, and a housing for containing the power supply, oscillator, detectors and marker. The plurality can be two or three detectors. The marker can include a drill bit disposed adjacent the detectors, a transmission connecting to the drill bit; and an electric motor connecting to the transmission and powered by the power supply for rotating the drill bit. |
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