STATOR FOR LINEAR BRUSHLESS DC MOTOR WITH MAGNETIC SLOT-CLOSING WEDGES AND MAGNETIC MOUNTING BRACKET

摘要

The present invention according to the composite armature assembly to be used for linear brushless · DC motor. A base portion, and a plurality of teeth extending from the base portion, the winding is arranged around it, between the teeth adjacent the tooth tip, the armature assembly of the present invention, the slot opening composed of a magnetic material formed so as to be positioned between a plurality of teeth are spaced apart from one another in order to configure, to close one or more of the slot opening between the teeth adjacent to each other. The purpose of using a magnetic material such, is to minimize the difference between the air gap magnetic resistance along the center line of the tooth, the center line of the slot, this difference becomes small, the cogging force becomes small.