Patent ID: 6407471
Filing Date: 2002-06-18
Classification: H02K,Y10T

Abstract:
A linear motor having a field yoke in which a plurality of permanent magnets having alternately different polarities are placed adjacent to each other, and an armature provided with an armature winding wound on an armature core facing said permanent magnet row via a magnetized space, in which any one of the field yoke and the armature is made into a stator, and the other is made into a rotor, and the field system yoke and the armature are caused to relatively run;wherein said armature core has a winding accommodation groove, and a convex and concave engagement part, which are formed on both sides of an armature iron plate by punching out electromagnetic steel plate so as to become roughly rectangular, the armature iron plate is laminated to constitute a core block; and said armature accommodates the armature winding wound in order in the winding accommodation groove of said respective core blocks, and a plurality of engagement portions are engaged with each other.