PERMANENT MAGNET SYNCHRONOUS MOTOR, COMPRESSOR, AND AIR CONDITIONER
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United States of America Patent
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Issued Date -
Dec 13, 2018
app pub date -
Jan 20, 2016
filing date -
Jan 20, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
A motor includes a stator core, a rotor core that is disposed on an inner side of the stator core and has a plurality of magnet holes arrayed in a circumferential direction, and a plurality of permanent magnets respectively disposed in the magnet holes. The stator core is constructed by a plurality of plates formed from a first magnetic material, each of which has a first thickness. The rotor core is constructed by a plurality of plates formed from a second magnetic material, each of which has a second thickness. The first thickness is smaller than the second thickness, and a silicon content rate of the first soft magnetic material is larger than a silicon content rate of the second soft magnetic material.
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