Stator-rotor device for an electrical machine
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United States of America Patent
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-
Dec 25, 2018
Grant Date -
Mar 30, 2017
app pub date -
Mar 6, 2015
filing date -
Mar 14, 2014
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A stator-rotor device for an electrical machine, in particular an electric motor, includes a stator and a rotor, wherein the stator-rotor device pole cores provided with windings comprise pole shoes and magnets associated therewith. The pole shoes are connected via a first surface to a respective pole core and have a second surface that is facing towards the magnets. The pole shoes cooperate magnetically with the magnets and are separated from the latter by an air gap. The pole shoes and the magnets engage with one another in an engagement direction in such a way that in each case a section of the other component—magnet or pole shoes—is arranged lying opposite the respectively engaging component—pole shoe or magnet—transverse to the engagement direction on two sides facing away from one another. The second surface is larger than the first surface.
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