Eccentric screw pump
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United States of America Patent
Stats
-
May 8, 2001
Grant Date -
N/A
app pub date -
Apr 26, 1999
filing date -
Apr 27, 1998
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
In an eccentric screw pump having a pump shaft which at one end is in the form of a hollow shaft mounted near a joint head or the like connecting portion and connected thereto, and which is fitted on to the output shaft of a pump drive and is connected thereto, the pump shaft and the output shaft are connected by a force-locking connection. There is also provided a clamping device which produces radial forces and which embraces the drive end of the pump shaft, said end being in the form of a hollow shaft. The clamping device is arranged near the end edge of the cylinder wall at a first support portion.
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