Passive Method and System to Detect and Measure Internal Flaws within Metal Rails
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United States of America Patent
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Jul 15, 2021
app pub date -
Mar 29, 2021
filing date -
Mar 21, 2016
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Abstract
This invention utilizes sensing technologies in combination with or in isolation of an automated inspection vehicle to conduct inspections of internal rail flaws in steel railroad track. A vehicle equipped with X-radiation sensing is used as a secondary method to assess the deviations in magnetic fields that are sensed by a primary sensor consisting of a single or multiple magnetometers. The magnetometers sense changes in magnetic field that are correlated to the flaws inside the steel rail. The technologies improve the probability to detect railroad flaws and offer the ability to accurately track and monitor flaws.
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