Patent ID: 9276445
Filing Date: 2016-03-01
CPC Classification: H02K

Claim Text:
1. A rotor constituting an interior permanent magnet motor, the rotor comprising: a permanent magnet generating a magnetic field; and a rotor core including a magnet insertion pocket to which the permanent magnet is inserted, wherein, when the permanent magnet is inserted, the magnet insertion pocket is formed so as to provide a first space on a side of a first end out of both ends of the permanent magnet in a circumferential direction and a second space on a side of a second end out of the both ends of the permanent magnet in the circumferential direction of the permanent magnet, and wherein the first space is formed on an outer circumferential side of the rotor core, between the rotor core and a first face of the permanent magnet, the second space is formed, on the outer circumferential side of the rotor core, between the rotor core and a second face of the permanent magnet, the first face of the permanent magnet and the second face of the permanent magnet being perpendicular to a line that connects a center between adjacent permanent magnets and a center of the rotor core, and the first space of the permanent magnet includes the first face and the second space of another permanent magnet which is adjacent, in the circumferential direction, to the permanent magnet, includes the second face, the first face of the permanent magnet and the second face of the another permanent magnet being perpendicular to a same line.