Machines utilizing heavy rare earth free permanent magnets

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11824403
APP PUB NO 20210344240A1
SERIAL NO

17221447

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Various examples are provided related to machines utilizing heavy rare earth (HRE) free permanent magnets. In one example, a rotor assembly including a rotor core having a plurality of rotor slots and magnets positioned within the plurality of rotor slots. At least a portion of the magnets are free of heavy rare earth (HRE) elements. The magnets can include a combination HRE segments and HRE-free segments or can be free of HRE elements. The rotor assembly can be included in an electric machine such as, e.g., a permanent magnet (PM) machine.

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Patent Owner(s)

  • NORTH CAROLINA STATE UNIVERSITY

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Husain, Iqbal Raleigh, US 17 150
Islam, Md Sariful Raleigh, US 10 3

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