Patent ID: 11916437
Assignee: MITSUBISHI ELECTRIC CORPORATION
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 6:
7. The IPM rotor according to claim 1,
wherein the magnet has an outer shape of a rectangular parallelepiped, and
wherein, when seen on a cross section perpendicular to an axial direction of the rotor core,
the accommodation hole is arranged along an arc of a circle having its center at a rotation center of the rotor core,
the magnet has a rectangular sectional shape including:
a first long side which is a long side of the rotor core on a radially inner side; and
a second long side which is a long side on a radially outer side, and

the flat spring portion is brought into contact with a center portion of the first long side.