Two-stage pump with high head and low delivery
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United States of America Patent
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-
May 17, 2005
Grant Date -
May 6, 2004
app pub date -
Oct 21, 2003
filing date -
Oct 28, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A pump includes a body, an actuating shaft, on which at least a first impeller and a second impeller are axially mounted, a fluid intake duct and a fluid delivery duct. The pump further includes front and rear chambers, first and second volutes, first and second discharge orifices and a channel inside the body for throughflow of fluid to the second impeller.
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Family
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