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US 5,397,953 AGranted
Stator for disc type electric motor
AssigneeThe United States of America as represented by the Secretary of the Navy
InventorChahee P. Cho
Life of this patent
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Abstract
There is disclosed a stator for a disc type electric motor. The stator coises an annularly-shaped member of a non-magnetic material, the member having a slotted portion and a non-slotted portion. The slotted portion includes slots extending radially from a central opening of the member to a periphery of the member, the slots being configured to retain electrical wire windings therein. The non-slotted portion is joined with the slotted portion and provides a bottom wall for the slots.
Claims6
A stator for a disc electric motor, said stator comprising:
- a member of non-magnetic dielectric, thermoconductive ceramic composite material, said member having an annularly shaped slotted portion and an annularly shaped non-slotted portion;
- said slotted portion including slots extending radially from a central opening of said member to a periphery of said member, said slots being open ended at said opening and said periphery and configured to retain electrical wire windings therein;
- and
- said non-slotted portion being of inside and outside diameters equal, respectively, to inside and outside diameters of said slotted portion, said non-slotted portion being joined with said slotted portion, and providing a bottom wall for said slots.
1 more element
Dependencies are inferred from the claim text.