System and method for controlling a materials handling system
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United States of America Patent
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Nov 24, 1998
Grant Date -
N/A
app pub date -
May 22, 1996
filing date -
May 22, 1996
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A system and method is provided for controlling a materials handling system. The materials handling system preferably includes a feed system, a positive displacement pump and a disposal system. The feed system includes a material feeder, which in the preferred embodiment is a screw feeder driven by a drive, and a transition housing. The material feeder forces material through the transition housing to an inlet of the positive displacement pump. The control system includes a pressure sensor, located on the transition housing, connected to a computer. The computer is also connected to the drive of the screw feeder. During operation of the materials handling system, the pressure sensor senses a parameter indicative of material pressure within the transition housing and sends a signal to the computer representative of this parameter. The computer provides a control signal to the feed system to control operation of the materials handling system as a function of the sensed parameter.
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