Centrifugal pump
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United States of America Patent
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Issued Date -
Sep 8, 2005
app pub date -
Mar 4, 2005
filing date -
Mar 5, 2004
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A centrifugal pump is proposed, in particular for household appliances, such as washing machines or dishwashers, with a pump housing, whose exterior shape is essentially radially symmetrical, and which has an axial inlet and a peripheral outlet, along with a rotatably mounted impeller, wherein a flow channel enveloping the impeller and heating element is provided. In such a centrifugal pump, the object is to increase the efficiency by having the flow cross-section of the flow channel (15) increase along the periphery toward the outlet.
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