Method of magnetizing rotor of motor

Details Method of magnetizing rotor of motor Method of magnetizing rotor of motor

1987-01-30

1988-05-31

Hix, L. T.

Electricity: electrical systems and devices

Control circuits for electromagnetic devices

Systems for magnetizing, demagnetizing, or controlling the...

335284, H01F 1300, H01F 720

Patent

active

047485353

ABSTRACT:
A method of magnetizing a rotor of a motor including the rotor made of an integrated magnet member and a stator is provided. Predetermined magnetic fields are preliminarily applied to the rotor to form magnetic paths and thereafter, the rotor is demagnetized. Then, the rotor is assembled into the stator. The rotor and stator are positioned such that the directions of the magnetic fields which are generated from the stator winding of the stator coincide with the directions of the magnetic paths of the rotor. Subsequently, in the state in which both of the rotor and stator are positioned, a current is supplied to the stator winding and the magnetic fields are generated, thereby magnetizing the rotor by the magnetic fields.

REFERENCES:
patent: 1515500 (1924-11-01), Lee
patent: 4381492 (1983-04-01), Steingroever et al.

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