Patent ID: 8138650
Filing Date: 2012-03-20
Classification: H02K,Y10T

Abstract:
1. A rotor for a rotating electrical machine comprising: a rotor core made of a stack of a plurality of blanks of steel sheet including a yoke, a magnetic pole portion confronting the yoke, and a magnet insertion hole interposed between the yoke and the magnetic pole portion, wherein the stack includes at least one blank having a bridge connecting the yoke and the magnetic pole portion and one or more blanks having the bridge blanked off, and a magnet inserted to the magnet insertion hole, wherein a projection is configured to project circumferentially beyond a width of the bridge and is formed at two circumferential sides of the magnetic pole portion and; wherein a resin is molded between the magnetic pole portions and within a space of the stack of blanks defined by the blanked off bridge of the rotor core with the magnet being inserted to the magnet insertion hole.