Device and method for nondestructive testing of pipelines
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United States of America Patent
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Apr 3, 2012
Grant Date -
Dec 3, 2009
app pub date -
Nov 28, 2008
filing date -
Nov 30, 2007
priority date (Note) -
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Abstract
A device for nondestructive testing of pipelines is designed to move along a pipeline and has at least one measuring unit for acquiring measured data of the pipeline, wherein the device is self-propelled and has at least one functional unit rotatable about a central axis of the device for acquiring measured data and/or for driving the device. In a corresponding method for nondestructive testing of pipelines, the device is moved along the pipeline by a functional unit having drive elements and moving helically along a surface of the pipeline to be covered. The functional unit acquires measured data and the drive elements are forced by a magnetic field generated by the functional unit against the surface of the pipeline.
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