Method and device for detecting defects in sheet metal...

Details Method and device for detecting defects in sheet metal... Method and device for detecting defects in sheet metal...

2006-10-17

2006-10-17

Verbitsky, Gail (Department: 2859)

Thermal measuring and testing

Leak or flaw detection

With heating or cooling of specimen for test

C374S137000, C374S166000

Reexamination Certificate

active

07121718

ABSTRACT:
In a method for detecting defects in sheet metal segments of electric generators and motors, wherein between the sheet metal pieces of the sheet metal segment an electric insulating layer is arranged, respectively, and wherein between the sheet metal segments a cooling channel is provided, respectively, magnetic induction is generated within the sheet metal segments by applying externally a magnetic field and the temperature of the heat generated within the sheet metal segment is measured in the cooling channel.

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patent: 2003185690 (2003-07-01), None

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