Patent ID: 6856065

Claim:
An electric rotary machine, including a stator comprising: a stator ring; a plurality of discrete salient poles each comprising a bobbin and a pole tooth, disposed inside the stator ring, and fixed by a molding resin injected inside the stator; and a positioning ring, the positioning ring being disposed inside the salient poles and engaged therewith, wherein the positioning ring has on an outer circumference a plurality of protrusions identical in number with and corresponding in position to the discrete salient poles, the bobbin has a pair of guide grooves formed on an inward-positioned flange, extending circumferentially, and disposed in line with each other, and the pole tooth has a groove disposed in line with the guide grooves and having a depth larger than that of the guide grooves of the bobbin, and wherein the protrusions of the positioning ring each engage with the groove of the pole tooth.