Patent ID: 6828708
Filing Date: 2004-12-07
Classification: H02K

Abstract:
A motor device comprising:a stator unit of a motor having a stator plate; a rotor unit of said motor; a radial bearing axially supporting said rotor unit; a thrust bearing, having thrust receiving plates, for receiving pressure in a thrust direction of the rotor unit and securing rotation of said rotor unit; and an auxiliary support plate, separate from said thrust bearing, on which one of said thrust receiving plates on said stator unit side of said thrust bearing is placed and supporting said thrust bearing at said stator unit, said auxiliary support plate having a flange formed bent in an axial direction of said rotor unit side at a region outside from said thrust bearing, and a region inside the flange, said region inside the flange being fit into said stator plate, said flange being placed on said stator plate facing said rotor unit and being supported by the same, and said region inside the flange rigidly supporting said radial bearing.