The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 20, 2018
Filed:
May. 25, 2016
Hitachi-ge Nuclear Energy, Ltd., Hitachi-shi, Ibaraki, JP;
Hitachi-GE Nuclear Energy, Ltd., Hitachi-shi, JP;
Abstract
To realize an object of providing an eddy current inspection device which is able to control a sensitivity decrease, and is able to reliably detect a defect. An eddy current inspection device of the present invention is provided with an orthogonal detection mode which measures an electromotive force signal using a coil pair which is configured by two coils within the first row coil group, a first intersection detection mode which measures the electromotive force signal using the first coil pair which is configured by the two coils within the first row and second row coil groups that are lined up in a direction which intersects with the scanning direction, and a second intersection detection mode which measures the electromotive force signal using the second coil pair which is configured by the two coils within the first row and second coil groups that are lined up in a direction in which a direction which intersects with the scanning direction is on the same side as the direction through which the first coil pair intersects and has a larger coil pair intersection angle than the coil pair intersection angle of the first coil pair.