Stepping or reversible motor

Details Stepping or reversible motor Stepping or reversible motor

1986-12-03

1988-06-28

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 43, 310 49R, 310 89, 310112, 310180, 310254, H02K 2112

Patent

active

047541830

ABSTRACT:
A rotor of T-shaped section lies on the motor shaft. The rotor comprises two external symmetrical collars which comprise radial magnetized permanent magnetic poles. Two identical stator parts, symmetrically arranged in the motor comprise external pole teeth lying external resp. internal of each of one of the collars of the motor. This gives rise to a radial flow of magnetic flux in the external lying, radially magnetized permanent magnetic poles of the rotor which leads to a high torque and efficiency. The construction of the motor is simple. Relatively thin material may be used. Relatively high number of poles are possible due to the fact that the effective poles, of the stator and of the rotor lie at the outside.

REFERENCES:
patent: 3508091 (1970-04-01), Kavanaugh
patent: 3751696 (1973-08-01), Morreale
patent: 3777196 (1973-12-01), Field, II
patent: 4501980 (1985-02-01), Welburn
patent: 4532448 (1985-07-01), Welburn
IBM Tech. Discl. Bulletin, Control of Electromagnet Stepping Motor, H. D. Chai, vol. 15, No. 3, 8/1972.

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