Centrifugal pump with reverse rotation protection integrated on the impeller blade
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United States of America Patent
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Feb 27, 2007
Grant Date -
Dec 30, 2004
app pub date -
Mar 27, 2003
filing date -
Apr 3, 2002
priority date (Note) -
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status (Latency Note)
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Abstract
In a centrifugal pump (10) for liquids comprising an impeller casing (50) inside which a centrifugal impeller (40) is rotatably mounted including a hub (42) from which a plurality of curved blades (44) delimited by two curved edges (44a,44b) extend, from one of the curved edges (44a) of the curved blades (44) a tab (48) extends on the side of the concavity of the blades (44) and is folded in the opposite direction to the blade (44) with respect to a radial plane.
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