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

Claim 7:
8. The IPM rotor according to claim 1,
wherein the first sheet hole and the second sheet hole each have a V-shape that is open toward a radially outer side of the rotor core,
wherein the first sheet hole and the second sheet hole each include:
a first inclination portion which is inclined toward one side with respect to a radial direction of the rotor core; and
a second inclination portion which is inclined toward the other side,

wherein the magnet includes:
a first magnet arranged at the first inclination portion; and
a second magnet arranged at the second inclination portion,

wherein, when seen on a cross section perpendicular to an axial direction of the rotor core, the first magnet and the second magnet each have a rectangular sectional shape including:
a first long side which is a long side on a radially inner side of the rotor core; and
a second long side which is a long side on a radially outer side, and

wherein the flat spring portion includes:
a pair of first flat spring portions which are brought into contact with both end portions of the first long side of the first magnet; and
a pair of second flat spring portions which are brought into contact with both end portions of the first long side of the second magnet.