Patent ID: 11936244
Assignee: DAIKIN INDUSTRIES, LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  F | IPC F  H

Claim 0:
1. A rotor comprising:
a rotor core having an outer shape including:
a first arc portion provided so as to intersect a d-axis,
a straight line portion provided so as to intersect a q-axis, and
a curved portion that connects the first arc portion and the straight line portion,

the first arc portion having an arc shape centered on an axial center of the rotor core,
the curved portion including an arc-shaped second arc portion that bulges outward in a radial direction of the rotor core,
the straight line portion linearly extending so that the straight line portion is directly connected to the second arc portion, and
a radius of curvature of the second arc portion being smaller than a radius of curvature of the first arc portion.