Conveyors: fluid current – With means to control conveying fluid or movement of load in... – Control of conveying fluid
Patent
1996-06-28
1998-09-29
Pike, Andrew C.
Conveyors: fluid current
With means to control conveying fluid or movement of load in...
Control of conveying fluid
406 63, 406 65, B65G 5366
Patent
active
058138013
ABSTRACT:
A continuous dense phase conveying system and method regulates and modulates the volume of gas flowing at a low velocity within a material conveying pipe. In response to air volume leakage through a rotary airlock valve, a controller adjusts a flow control valve to maintain the volume of air for conveying at a selected level. The flow control valve has a venturi-shaped output section. The flow control valve is more than 90% efficient (e.g., less than 10% pressure drop across the valve) and has an output that varies linearly, over a wide range, with adjustment of the valve.
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Allied Industries brochure entitled "Flo-Tronics, The Flo-Wave Story", Truly Flexible Dense Phase Conveying, Revised May 8, 1991.
Allied Industries brochure entitled "Flo-tronics, Tapered Rotary Airlock", Rotary Airlock Feeders , Revised May 28, 1991.
McEllhiney Ross
Newbolt Richard E.
Mac Equipment, Inc.
Pike Andrew C.
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