Invention Grant
- Patent Title: Eddy current system and method for crack detection
- Patent Title (中): 涡流系统和裂纹检测方法
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Application No.: US12493573Application Date: 2009-06-29
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Publication No.: US08164328B2Publication Date: 2012-04-24
- Inventor: Russell A. Wincheski , John W. Simpson
- Applicant: Russell A. Wincheski , John W. Simpson
- Applicant Address: US DC Washington
- Assignee: The United States of America as represented by the Administrator of the National Aeronautics and Space Administration
- Current Assignee: The United States of America as represented by the Administrator of the National Aeronautics and Space Administration
- Current Assignee Address: US DC Washington
- Agent Andrea Z. Warmbier; Robin W. Edwards
- Main IPC: G01N27/82
- IPC: G01N27/82

Abstract:
An eddy current system and method enables detection of sub-surface damage in a cylindrical object. The invention incorporates a dual frequency, orthogonally wound eddy current probe mounted on a stepper motor-controlled scanning system. The system is designed to inspect for outer surface damage from the interior of the cylindrical object.
Public/Granted literature
- US20100079157A1 Eddy Current System and Method for Crack Detection Public/Granted day:2010-04-01
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