Swimming pool and spa pumps configured to improve priming performance
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United States of America Patent
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Jul 11, 2023
Grant Date -
Oct 7, 2021
app pub date -
Mar 15, 2021
filing date -
Apr 3, 2020
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Disclosed are pumps designed to make priming more efficient and therefore reduce priming time. The disclosed pumps include one or more deflection structures that prevent fluid moving through a diffuser of the pump from continuing in a circular path and instead divert the fluid in a different direction that leads directly to an outlet of the pump. This deflection reduces air bubble accumulation inside the pump while priming and makes it easier for air to escape through the pump outlet. Making it easier for air to escape the pump outlet ultimately allows air to escape the pump faster during priming, reducing back pressure caused by trapped air pockets inside the pump and improving priming performance.
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