Device and system for pneumatic transport of material
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United States of America Patent
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Apr 4, 2017
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N/A
app pub date -
Jun 1, 2016
filing date -
Jun 1, 2015
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Abstract
A pneumatic transport device (1a, 1b) for transporting a pneumatically transportable material (M) in a pneumatic system (10) by means of air for transporting the pneumatic transportable material (M) between a first pneumatic system portion (11) and a second pneumatic system portion (12), the pneumatic system portions (11, 12) including a plurality of pneumatic tubes (13) forming a continuous pneumatic transport path (CL), the device (1a, 1b) including an air source (2a, 2b), typically a vacuum source (2a), pneumatically connected to one of the first or second pneumatic system portions (11, 12) operative to provide air pressure or vacuum through the continuous pneumatic transport path (CL), and a controller (4a, 4b) configured to control the speed of the vacuum source (2a) and/or a mass-flow, respectively, of the material (M) in dependence of input from a monitoring line (3) adapted to monitor the pneumatic transport path (CL) to provide essentially constant speed of transport the pneumatically transportable material (M).
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