PROCESS AND DEVICE FOR CONTROLLING A FILLING LEVEL OF SILOS CONTAINING LOOSE MATERIALS
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United States of America Patent
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Issued Date -
Dec 18, 2008
app pub date -
Jun 13, 2007
filing date -
Jun 13, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The process comprises a stage of highlighting a plurality of light points of a free surface of the material contained in the silo, of detecting a position of each of the light points and obtaining electrical signals which are proportional to the detected position of each point, and processing the signals to obtain a virtual reproduction of the free surface of the material which when processed provide desired data. The device for realising the process comprises lasers, which project a laser beam towards the free surface of the material contained in the silo, an optical sensor which detects the position of the light points defined by each laser beam on the free surface, and a data processing system which processes the data relating to the position of the lasers, the inclination of the laser beams, and the detected positions of the light points in such a way as to construct a virtual free surface of the material.
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