Pump
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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N/A
Issued Date -
Oct 20, 2005
app pub date -
Sep 27, 2001
filing date -
Sep 27, 2001
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A pump for use with a fluid is disclosed. The pump includes a housing, a pump inlet, a pump outlet, a drive shaft provided within the housing, and multiple stages provided within the housing. Each stage includes a body having a fluid inlet, a fluid outlet, and an interior volume. An impeller is provided in the interior volume, coupled to the drive shaft. The body further includes a vent allowing fluid communication between the interior volume and a volume outside of the body.
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