Patent ID: 8922083

Claim:
A rotor comprising: a plurality of magnets arranged in a circumferential direction around a center axis which vertically extends; and a laminated core in which a plurality of thin plate cores are laminated in an axial direction; wherein the laminated core includes an inner core portion which axially extends in a cylindrical shape in a region located farther radially inward than the magnets, and a plurality of outer core portions which are arranged in the circumferential direction in a region located farther radially outward than the inner core portion; the plurality of outer core portions and the plurality of magnets are alternately arranged in the circumferential direction; the plurality of magnets include a pair of circumferential end surfaces which are magnetic pole surfaces; the magnetic pole surfaces of the plurality of magnets of the same pole face each other in the circumferential direction; the inner core portion includes inner core caulking portions which fix the plurality of thin plate cores; and the plurality of outer core portions include outer core caulking portions which fix the plurality of thin plate cores respectively.