CENTRIFUGAL PUMP
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United States of America Patent
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Issued Date -
Jan 21, 2010
app pub date -
Jul 10, 2009
filing date -
Jul 15, 2008
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A centrifugal pump having a casing axially divided into two casing halves; an intake and a discharge; as well as an at least one-stage flow channel between the intake and the discharge for a medium to be pressurized; and a shaft mounted for rotation within the casing and being driven by motor; at least one impeller attached thereon and arranged in a stage channel of the flow channel; and at least one guide device on a partition wall arranged within the stage channel in the region of the intake of the associated impeller. There is provided, for influencing the pre-rotation within the flow in the intake of the stage channel of the impeller, that the radial angular position of the guide device arranged on the partition wall is adapted to be adjusted with reference to the plane of partition of the casing as zero position; a positioning device is mounted on the partition wall at a selectable angular distance from the guide device; and said positioning device is received by the casing in the region of the plane of partition of the latter.
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