ROTOR ASSEMBLY
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United States of America Patent
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Issued Date -
Jan 2, 2014
app pub date -
Mar 15, 2013
filing date -
Jun 29, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
A rotor assembly, including: a permanent magnet, a rotor core, and a magnetic loop. The rotor core includes an annular ring including a central axial bore, and a plurality of magnetic induction blocks protruding outward from an outer side of the annular ring. A through hole is arranged on the magnetic induction block. A radial recess is formed between every two adjacent magnetic induction blocks for mounting the permanent magnet. An end plate and a base plate are disposed on an end surface and a bottom surface of the rotor core by injection molding, respectively. A connecting column passes through the through hole and connects the end plate and the base plate as a whole body. An end surface of the end plate protrudes upward to form a magnetic loop bracket. The magnetic loop is disposed on the magnetic loop bracket.
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