Submersible pump system
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United States of America Patent
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May 20, 2014
Grant Date -
Apr 26, 2012
app pub date -
Oct 22, 2010
filing date -
Oct 22, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
A submersible pump system includes a submersible pump assembly having one or more stages of impellers and a submersible motor assembly that drives the pump assembly. The submersible pump assembly includes a motor housing, a motor within the motor housing for driving the pump assembly and a control module mounted to the motor housing for operating the motor. The control module is electrically connected to a power line and comprises a controller and a variable frequency drive driven by the controller. The controller operates the variable frequency drive to drive the motor to maintain a constant pressure output condition from the pump assembly.
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