Pole retention configuration for electric machine rotors
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United States of America Patent
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Jul 16, 2013
Grant Date -
Sep 22, 2011
app pub date -
Mar 21, 2011
filing date -
Mar 10, 2009
priority date (Note) -
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Abstract
A retention system in which rotor pole pieces are retained within complementarily shaped channels in a rotor hub, permanent magnets are secured between the pole pieces and within clamp members, and wedge-shaped pieces are used to apply positive locking forces along the axial length of each clamp member and of adjacent pole pieces. A curable resin preferably in disposed within gaps between the permanent magnets and the clamp members.
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