Switching pattern AC induction motor

Details Switching pattern AC induction motor Switching pattern AC induction motor

2007-07-03

2007-07-03

Tamai, Karl Eizo (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S180000, C310S166000, C318S727000, C318S811000

Reexamination Certificate

active

10504023

ABSTRACT:
Both the stator core and the rotor core of a switching pattern AC induction motor are fabricated by soft magnetic material laminations or ferrite material, etc., both of which have corresponding frequency characteristic. The rotor is a squirrel cage rotor. Switching pattern excitation is adopted in the stator pole, of which the excitation voltage is sine wave pulse width modulated or sine wave pulse amplitude modulated within the frequency range of voice and ultrasonic. Under the condition of the same power output, the present motor reduces its size and mass to a fraction of or tenth of that of an ordinary one. Meanwhile, it reduces the cost of manufacture. It realizes stepless speed regulating from zero to several thousand rpm while keeping well mechanical characteristic performance.

REFERENCES:
patent: 4371802 (1983-02-01), Morrill
patent: 4384244 (1983-05-01), Matsumoto
patent: 4442368 (1984-04-01), Kupisiewicz et al.
patent: 4562397 (1985-12-01), Kitabayashi et al.
patent: 4672286 (1987-06-01), Williams
patent: 5471101 (1995-11-01), Hein
patent: 5565752 (1996-10-01), Lorenz
patent: 5869915 (1999-02-01), Blake
patent: 5911453 (1999-06-01), Boyd
patent: 2005/0151438 (2005-07-01), Huang et al.
patent: 0058352 (1982-08-01), None
patent: 0058352 (1982-08-01), None
patent: 0583994 (1993-07-01), None
Handbook of Electrical Motors; Engelmann and Middendorf; Marcel Dekker, Inc. pp. 284-286, Jan. 1995.

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