Patent ID: 7262526
Filing Date: 2007-08-28
Classification: H02K

Abstract:
1. A rotor for a permanent magnet motor of an outer rotor type, the rotor having a plurality of permanent magnets and disposed around a stator, the rotor comprising: a frame; an annular iron core combined integrally with the frame; and a plurality of insertion holes formed in the core so that the permanent magnets are inserted in the insertion holes respectively, wherein the frame, the core and the permanent magnets are combined integrally with one another by a synthetic resin, and each insertion hole includes a magnet disposing portion in which the permanent magnet is disposed, a space portion located in at least one of circumferential both ends of each permanent magnet disposed in the magnet disposing portion, and a positioning portion positioning each permanent magnet in the magnet disposing portion, and the molten synthetic resin is poured into the space portion.