Centrifugal pump
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United States of America Patent
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Jun 8, 2004
Grant Date -
Apr 17, 2003
app pub date -
Sep 19, 2002
filing date -
Sep 20, 2001
priority date (Note) -
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Abstract
A centrifugal pump wherein a threaded ring is secured in its position by way of a pressure body which presses it against the axial abutment of a pump shaft and which is screwed axially to the end of the pump shaft. The threaded ring is seated loosely on the pump shaft and by a thread which is provided in a front hub region of the pump impeller and into which the thread of the threaded ring is screwed.
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