Pump and method for changing the pumping capacity of a pump
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United States of America Patent
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May 7, 2019
Grant Date -
Mar 30, 2017
app pub date -
Sep 16, 2016
filing date -
Sep 30, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
A pump for fluids includes a pump housing, a power source enclosed within the housing, a drive shaft connected to the power source, at least one pump inlet arranged in the pump housing, a pump outlet arranged in the pump housing, a first impeller arranged within a first impeller chamber and rotated by the drive shaft, and a second impeller arranged within a second impeller chamber and rotated by the drive shaft. The pump is changeable between a first configuration in which the first and second impeller are arranged in parallel to provide a high pumping capacity, and a second configuration in which the first and second impeller are arranged in series to provide a pump with less pumping capacity.
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