Impeller for a pump unit and associated pump unit
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United States of America Patent
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Aug 28, 2012
Grant Date -
Jul 2, 2009
app pub date -
Dec 13, 2006
filing date -
Dec 21, 2005
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An impeller is provided for a pump unit, in particular for a waste water pump unit, having two cover plates (2, 4), which are spaced apart from one another in the axial direction (X) and are connected to one another by at least one connecting element (8). The impeller has at least one blade (12, 14) which is arranged between the two cover plates (2, 4) and extends from an inner diameter of the impeller to an outer diameter of the impeller. The blade (12, 14) has a continuous slot (16), which extends from the edge (22, 24) of the blade (12, 14) which is situated at the inner diameter to the edge (26, 28) of the blade (12, 14) which is situated at the outer diameter. A pump unit is also provided having an impeller of this type.
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