Patent ID: 8076816
Filing Date: 2011-12-13
Classification: F04D,H02K

Abstract:
1. A stator for a cooling fan, comprising: a stator core comprising a main body and a plurality of claws extending radially and outwardly from the main body, every two neighboring claws defining a receiving room therebetween; an insulating frame comprising a bottom portion being located at a bottom side of the stator core and a plurality of flanges with a height not less than that of the stator core extending upwardly from the bottom portion into the receiving rooms of the stator core, respectively, the bottom portion comprising a protecting plate and a plurality of protecting arms, a plurality of first positioning holes being defined in the protecting plate, the protecting arms corresponding to the claws of the stator core and extending outwardly from a periphery of the protecting plate, a plurality of second positioning holes being respectively defined in the protecting arms, and the first and second positioning holes allowing pins to extend therethrough to engage with a printed circuit board; and a plurality of coils being wound on the flanges of the insulating frame and around the claws of the stator core and being spaced and electrically insulated from the claws of the stator core by the insulating frame.