Electric drive for a radial impeller
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United States of America Patent
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Issued Date -
Jun 9, 2005
app pub date -
Nov 12, 2004
filing date -
Nov 14, 2003
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
An electric drive for a radial impeller comprises a magnetized rotor and at least one flat stator. The magnetized rotor comprises magnetic means rigidly fixed with the radial impeller. The flat stator comprises circumferential arrayed coils and at least one ferromagnetic plate placed at an outer side of the flat stator opposite to the magnetized rotor, thus shortening magnetic fluxes generated by an interaction of electromagnetic fields of the magnetized rotor and the flat stator. The ferromagnetic plate is made from silicon steel comprising of at least 3% of silicium. The ferromagnetic plate at least partially covered the coils in direction perpendicular to the ferromagnetic plate.
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