Low cost injection molded buried permanent magnet motor for an electric power steering system
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United States of America Patent
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May 22, 2018
Issued Date -
N/A
app pub date -
Nov 13, 2015
filing date -
Nov 18, 2014
priority date (Note) -
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Abstract
An interior permanent magnet motor includes a housing, a ring-shaped stator fixed in the housing and having a coil which generates a magnetic field when a voltage is applied, a rotor being disposed for rotation within, and relative to the ring-shaped stator. The rotor includes a shaft rotatably supported by the housing, a magnetic plate pair disposed about an outer circumference of the rotor. A triangular member is disposed between the magnetic plate pair and the shaft. The triangular member having a flat surface mated to each inner end of each magnetic plate of the magnetic plate pair. The triangular member directs flux produced by rotation of the rotor toward the stator.
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