Self-priming centrifugal pump
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United States of America Patent
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-
Oct 26, 1982
Grant Date -
N/A
app pub date -
May 27, 1980
filing date -
May 27, 1980
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A centrifugal pump having a discharge at its upper end is self-primed under the combined effect of gravity and suction. The suction is created by a discontinuity of flow in the pumping chamber at a recirculation passage. The passage is sufficiently large so that it deaerates priming liquid while providing sufficient liquid to prevent a short circuit of gas from the outlet to the inlet.
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