Compact sealless screw pump
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United States of America Patent
Stats
-
Jun 5, 2001
Grant Date -
N/A
app pub date -
Mar 18, 1998
filing date -
Mar 18, 1998
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A screw pump, includes a pump case having a fluid inlet, a pumping chamber, and a fluid discharge with at least two intermeshed parallel screw members rotatably mounted therein and in fluid communication with the fluid inlet and the fluid discharge. One synchronous electric drive motor mounted to each screw member provides the driving power to the screws. Electronic controls are provided for sensing the rotary positions of the motors for synchronizing rotation of the screw members. The pump is also capable of pumping multi-phase fluids.
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Family
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Cited Art Landscape
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