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Pump controller

Title: Pump controller.
Abstract: The present invention provides a technique using current sensing to control the pressure at constant level without the direct sensing of the pressure. This technique will help to reduce dependency solely on switch or sensor and their non linearity and other associated problems such as the non-repetitive behavior, being affected by EMI etc. The technique includes using a pump controller featuring one or more modules configured to respond to one or more input signals containing information about current provided from a pump; and configured to provide one or more output signals containing information to control the pump to operate at a substantially constant pressure without the direct sensing of pump pressure. The one or more modules control the operation of the pump based at least partly on a table of characteristics related to voltage and current that is calibrated for each pump. ...
USPTO Applicaton #: #20120321484
Inventors: Derrick Thanh Tran, Thang Quoc Dang, Rufino Naval, Jr., David L. Phillips

The Patent Description & Claims data below is from USPTO Patent Application 20120321484, Pump controller.

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stats Patent Info
Application #
US 20120321484 A1
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