CPC H02K 1/30 (2013.01) [H02K 7/025 (2013.01); H02K 15/02 (2013.01); H02K 15/165 (2013.01)] | 16 Claims |
1. A flywheel rotor, comprising:
a plurality of adjacent laminations, stacked one on top of another, wherein each lamination has an identical scalloped solid circular shape, with no center hole, which is symmetric about a center axis, and wherein the scalloped circle shape has a plurality of scallop regions that protrude exterior to an outer circumference of the solid scalloped circular shape, and wherein at least one of the protrusions in each of the adjacent laminations includes a through hole that is entirely exterior to the outer circumference; and
at least one bolt that passes through the at least one through hole in each of the plurality of adjacent laminations and fastens together the plurality of adjacent laminations.
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