ROTOR ASSEMBLY APPARATUS AND METHODS
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United States of America Patent
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Issued Date -
Jun 19, 2014
app pub date -
Dec 17, 2013
filing date -
Dec 17, 2012
priority date (Note) -
Abandoned
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Abstract
Rotors assemblies usable in energy storage devices and power systems include a plurality of laminations oriented in vertical alignment, a first plate contacting a first side of the laminations, a second plate contacting a second side of the laminations, and at least one fastener engaged with the plates to compressively retain the laminations and limit relative movement of the laminations. Fasteners can engage the plates via an interference fit and pass through a clearance in the laminations sized to limit contact between the fasteners and the laminations during rotation of the rotor assembly. The laminations can be arranged with a thicker region of a first lamination above a thinner region of a second to form a stacked pair, and multiple stacked pairs can be rotationally offset from one another.
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