ROTOR FOR AN ELECTRICAL MACHINE
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United States of America Patent
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Issued Date -
Feb 5, 2015
app pub date -
Aug 4, 2014
filing date -
Aug 5, 2013
priority date (Note) -
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Abstract
A rotating electrical machine has a rotor composed of laminations which are mounted on a shaft in an embodiment. The portion of the laminations adjacent the shaft has one or more slots, so designed as to increase the contact force between the lamination and the shaft as the speed of the rotor rises. This allows the laminations to be assembled to the shaft with a smaller interference fit yet retain a contact force at high speeds. The laminations may be assembled to the shaft with a suitable adhesive.
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