Centrifugal pump
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United States of America Patent
Stats
-
Oct 9, 2012
Grant Date -
Dec 13, 2007
app pub date -
Apr 27, 2007
filing date -
Apr 28, 2006
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A centrifugal pump with an existing pump housing made of plastic material that can be processed through injection molding, the pump housing having a first housing section featuring a suction nozzle and a pressure nozzle, a second housing section supporting an electronically commutated DC motor and a split case, a motor housing section that closes a dry chamber separated from a wet chamber by the split case in which a stator and electronic components are arranged, and a permanent magnet rotor that is mounted in the wet chamber in such a way that it can rotate, thereby driving a pump impeller that reaches into the pump chamber. The electronic components are arranged on an electronic circuit board parallel to a base of the split case. The electronic circuit board is in heat conducting contact with the base.
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