MATERIAL CONVEYANCE DEVICE AND MATERIAL CONVEYANCE METHOD
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United States of America Patent
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Issued Date -
Apr 7, 2016
app pub date -
Mar 29, 2013
filing date -
Mar 29, 2013
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A material conveyance device that has an inverter converting a frequency of an alternating-current source and a suction air source having an electric motor driven by the inverter and pneumatically conveys a material by the suction air source through a pipe for conveying the material, includes: a physical quantity detector that detects a physical quantity related to an output of the inverter; and a controller that controls an air volume or an air speed by the suction air source based on the physical quantity detected by the physical quantity detector.
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