Bearings for rotatably supporting a rotor are disposed on an inner side of a hollow cylindrical portion of the rotor which is disposed in a rotating magnetic field formed by a group of stator windings and on an outer periphery of which magnetic poles for generating torque are arranged, thereby shortening the axial length of the rotor and making a motor compact. A motor of the invention includes: a stator in which a plurality of split cores with windings wound therearound are arranged in an annular form to generate a rotating magnetic field; a rotor for generating torque by the rotating magnetic field; and a housing for fixing the stator and for rotatably holding the rotor at an annularly central position of the stator, wherein only one end side of the stator is fixed to the housing.
This is a continuation of application Ser. No. 11/155,567 filed Jun. 20, 2005, now U.S. Pat. No. 7,190,099 which is a divisional of application Ser. No. 10/101,350 filed on Mar. 20, 2002 and now U.S. Pat. No. 6,930,420. The entire disclosure of the prior applications, application Ser. Nos. 11/155,567 and 10/101,350, are considered part of the disclosure of the accompanying continuation application and are hereby incorporated by reference.
Priority Data
Mar 21, 2001 [JP] P2001-81403 Apr 11, 2001 [JP] P2001-113106
