Pressure differential proofing method for pneumatic conveying
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United States of America Patent
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Feb 7, 2017
Grant Date -
Sep 22, 2016
app pub date -
Mar 17, 2016
filing date -
Mar 19, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
A material handling system. The system includes a plurality of material sources for providing material to be transferred and a plurality of destination locations for receiving material from the material sources, wherein each destination location has a destination valve. The system further includes a distribution mechanism, a plurality of source conveying tubes each connecting a source location to an opening on the distribution mechanism, and a plurality of destination conveying tubes each connecting an opening on the distribution mechanism to a destination location. The system further includes a vacuum source operatively connected to each of the destination valves, a vacuum sensor disposed on each of the source conveying tubes configured to sense a change in pressure in the source conveying tube, and a programmable controller connected to each of the vacuum sensors for determining if a correct connection has been made.
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