Patent ID: 7696651
Filing Date: 2010-04-13
Classification: H02K

Abstract:
1. A linear motor comprising: a mover part including; an armature module having an I shaped magnetic iron core and an armature winding of one kind wound on the periphery of the I shaped magnetic iron core through an insulating material, a non-magnetic material holder on which a plurality of armature modules are arranged in a stroke direction, and a base upper plate and a base lower plate for attaching the non-magnetic material holder in upper and lower parts respectively, and a stator part including; a plurality of field permanent magnets opposed to the I shaped magnetic iron cores through magnetic spaces and field yokes for supporting the field permanent magnets, wherein the non-magnetic material holder has at both end parts thereof through holes corresponding to the forms and the arranging pitches of the I shaped magnetic iron cores, and bolts are inserted into the through holes to fix the non-magnetic material holder to the base upper plate and the base lower plate.