Method for detecting anomalies in pipes

Details Method for detecting anomalies in pipes Method for detecting anomalies in pipes

1994-05-10

1995-12-26

Snow, Walter E.

Electricity: measuring and testing

Magnetic

Current through test material forms test magnetic field

324220, G01R 3300, G01R 3312, G01N 2772, G01N 2782

Patent

active

054791006

ABSTRACT:
An apparatus and method for detecting anomalies in ferrous pipe structures is presented. An electrical current is passed through the ferrous pipe structure so as to create a magnetic field in the pipe. A sensor having one or more sensor shoe members is placed in the interior of a ferrous pipe structure to be inspected. Each sensor shoe member has one or more magnetometer elements for detecting the magnetic fields in the region of the ferrous pipe structure adjacent to which the sensor shoe member is placed.

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patent: 5258755 (1993-11-01), Kuckes
patent: 5293117 (1994-03-01), Hwang

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