Centering coupling for splined shafts submersible pumping systems and electrical submersible pumps
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United States of America Patent
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Nov 26, 2013
Grant Date -
Apr 25, 2013
app pub date -
Oct 23, 2012
filing date -
May 22, 2008
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A submersible pumping system, electrical submersible pump, and method of providing enhanced alignment of motor and driven shafts of submersible pumping systems and electrical submersible pumps, are provided. An example of an electrical submersible pump system includes a pump, a pump motor, and a seal section. The motor drives the pump via motor and driven shafts rotatingly coupled with a coupling assembly. The coupling assembly maintains the shaft ends in coaxial alignment with an alignment device. The alignment device is profiled on opposite ends for mating engagement with the centering profiles extending into the shaft ends.
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