Eddy current testing probe
First Claim
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1. An eddy current testing probe comprising:
- an exciting coil; and
a plurality of detecting coils positioned on a center axis of said exciting coil so that center axes of said detecting coils are in a plurality of different directions respectively crossing a center axis direction of said exciting coil.
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Abstract
An exciting coil is constructed by winding a winding in a groove formed on the outer circumference of a circular ring member, and a detecting coil in the shape of a polygon (such as a triangle and a pentagon) when seen from the front is positioned. One side of the detecting coil is placed in a diameter direction of the exciting coil, inside the exciting coil, and the vertex opposite to the one side is placed apart from the exciting coil so that the detecting coil is orthogonal to the exciting coil. A side surface of the exciting coil on the side opposite to the vertex is placed to face the surface of a test material, and used as a flaw detection surface.
29 Citations
4 Claims
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1. An eddy current testing probe comprising:
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an exciting coil; and
a plurality of detecting coils positioned on a center axis of said exciting coil so that center axes of said detecting coils are in a plurality of different directions respectively crossing a center axis direction of said exciting coil. - View Dependent Claims (2, 3, 4)
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Specification
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Current AssigneeMarktec Corporation (ALCONIX Corp.)
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Original AssigneeMarktec Corporation (ALCONIX Corp.)
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InventorsHiroshima, Tatsuo
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Application NumberUS10/682,340Publication NumberTime in Patent OfficeDaysField of SearchUS Class Current324/242CPC Class CodesG01N 27/9006 Details, e.g. in the struct...
