Patent ID: 11962191
Assignee: MITSUBISHI ELECTRIC CORPORATION
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  F | IPC F  H

Claim 1:
2. The rotor according to claim 1, wherein
the rotor core includes
a first outside curved part defining the first outside opening part,
a first outside support part supporting the first permanent magnet,
a first outside connection part connecting the first outside curved part and the first outside support part, the first outside connection part having a radius of curvature of R3 in the plane,
a first inside curved part defining the first inside opening part,
a first inside support part supporting the first permanent magnet,
a first inside connection part connecting the first inside curved part and the first inside support part, the first inside connection part having a radius of curvature of R4 in the plane,
a second outside curved part defining the second outside opening part,
a second outside support part supporting the second permanent magnet,
a second outside connection part connecting the second outside curved part and the second outside support part, the second outside connection part having a radius of curvature of R3 in the plane,
a second inside curved part defining the second inside opening part,
a second inside support part supporting the second permanent magnet, and
a second inside connection part connecting the second inside curved part and the second inside support part, the second inside connection part having a radius of curvature of R4 in the plane, and
the rotor satisfies 0<R3/R4<4.45.