Squirrel Cage Type Electric Motor Rotor Assembly.
Patent, Filed 5 Sep 96, patented 6 Oct 98,
DEPARTMENT OF THE NAVY WASHINGTON DC
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The invention pertains to a squirrel cage type electric motor rotor assembly includes first and second end plates of circular configuration, rigid tubes extending from the first plate to the second plate, the tubes being closed a either end thereof to define enclosed chambers therein, and granules of magnetic material disposed in the chambers, the granules being packed therein with a density leaving them readily movable to align with magnetic fields.
- Electrical and Electronic Equipment