Axial thrust compensation for centrifugal pump
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United States of America Patent
Stats
-
Oct 7, 1986
Grant Date -
N/A
app pub date -
Nov 21, 1985
filing date -
Nov 21, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A pump motor unit of the type having an impeller connected to the armature, which unit is located in a pump housing whereby the armature is separated from the stator or a driving annular magnet by a magnetic gap in which a magnetically permeable dividing wall is situated, separating the wet side of the pump from the dry side, the dry side containing the electric stator or motor, said impeller armature unit includes radially extending channels whose suction sides communicate with the magnetic gap.
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