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US 2022/0103034 A1Published application
Rotor structure of synchronous motor
AssigneeSanyo Denki Co., Ltd.
InventorsManabu HORIUCHI, Keisuke NAGATA
Life of this patent
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Abstract
A rotor structure of a synchronous motor includes: a stator; and a rotatable rotor on the inner side of the stator, in which the rotor includes: a rotor core fixed to a rotary shaft; and a permanent magnet on the outer side of the rotor core, the permanent magnet on the outer side of the rotor core includes a main magnet and an auxiliary magnet, the auxiliary magnet is provided in contact with the outer side of the rotor core, and the main magnet is provided in contact with the outer side of the auxiliary magnet.
Claims8
A rotor structure of a synchronous motor, comprising:
- a stator;
- and
- a rotatable rotor on the inner side of the stator, wherein
- the rotor includes:
- a rotor core fixed to a rotary shaft;
- and
- a permanent magnet on the outer side of the rotor core,
- the permanent magnet on the outer side of the rotor core includes a main magnet and an auxiliary magnet,
- the auxiliary magnet is provided in contact with the outer side of the rotor core, and
- the main magnet is provided in contact with the outer side of the auxiliary magnet.
7 more elements
Dependencies are inferred from the claim text.