Motor

Details Motor Motor

2007-03-13

2007-03-13

Lam, Thanh (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S07500D, C310S254100

Reexamination Certificate

active

11155567

ABSTRACT:
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.

REFERENCES:
patent: 4471250 (1984-09-01), Snider
patent: 5352947 (1994-10-01), MacLeod
patent: 6282053 (2001-08-01), MacLeod et al.
patent: 6455968 (2002-09-01), Honorio et al.
patent: 6590306 (2003-07-01), Terada
patent: 6930420 (2005-08-01), Kawasaki et al.
patent: 60046745 (1985-03-01), None
patent: 11-341716 (1999-12-01), None

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