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US 2017/0257013 A1Published application
Squirrel cage rotor with copper filled plastic bars and rings
AssigneeNidec Motor Corporation
InventorsMark D. Weisheit, Liming Zhou
Life of this patent
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Abstract
A rotating element for a dynamo-electric machine such as an electric induction motor. The rotating element includes a plurality of axially stacked laminations cooperatively defining a plurality of arcuately spaced bar slots. The rotating element also includes a plurality of bars, with each bar extending through one of the bar slots. Each of the bars comprises copper-impregnated polymer.
Claims20
A rotating element for a dynamo-electric machine, the rotating element comprising:
- a core comprising a plurality of axially stacked laminations cooperatively defining a plurality of arcuately spaced bar slots;
- and
- a plurality of bars, each bar extending through one of the bar slots,
- said plurality of bars comprising copper-impregnated polymer.
1 more element
Dependencies are inferred from the claim text.