System and method for controlling a materials handling system
US5839883A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 22, 1996 |
| Grant date | Nov 24, 1998 |
| Priority date | — |
| Expiry date | May 22, 2016 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S417/90
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.