Eccentric screw pump with reversible rotor
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United States of America Patent
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-
Mar 23, 1993
Grant Date -
N/A
app pub date -
May 29, 1990
filing date -
Sep 30, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An eccentric screw pump comprises at least one stator, a rotor having a core and received for eccentric rotation in the stator, a first coupling device adapted to connect one end of the rotor to a drive system, a second coupling device provided at another end of the rotor, the coupling devices having external dimensions which are smaller than a diameter of the core of the rotor.
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