Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1998-01-26
1999-08-03
Ramirez, Nestor
Electrical generator or motor structure
Dynamoelectric
Rotary
H02K 709
Patent
active
059329475
ABSTRACT:
A concentricity control apparatus induction for controlling a concentricity between a stator body and a rotor body in an induction motor. The concentricity control apparatus for a concentricity controlling induction motor has a sensor for detecting an eccentricity of a rotor body, an operating unit for operating an electrical current in order to correct an eccentricity according to the detection of the sensor, and a driving circuit for controlling the electrical current of the rotor body. A core control unit so constructed as to apply to a core direction of the rotor body an electromagnetic force perpendicular to a central rotating shaft of the rotor body.
REFERENCES:
Stephens et al., "Effect of Magnetic Pole Arrangement on Core Loss in Laminated High-Speed Magnetic Journal Bearings", IEEE Transactions on Magnetics, vol. 32, No. 4, Jul. 1994, pp. 3246-3252.
Sivadasan, "A Novel Magnetic Suspension Cum Linear Actuator System for Satellite Cryo Coolers", IEEE Transactions on Magnetics, vol. 30, No. 3, May 1994, pp. 1258-1262.
Ramirez Nestor
Samsung Electronics Co,. Ltd.
Tamai K. E.
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