D. C. motor with multi-tooth poles

Details D. C. motor with multi-tooth poles D. C. motor with multi-tooth poles

1986-07-11

1988-05-31

Salce, Patrick R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310162, 310254, H02K 114, H02K 1712

Patent

active

047483628

ABSTRACT:
A variable reluctance motor fed by D.C. pulses is controlled by a rotation sensor. The motor has at least two phases. The stator is designed as a continuous magnetic circuit with two stator poles per phase. The stator poles for the different phases are arranged in sequence along the periphery of the rotor so that each pole adjoins poles pertaining to another phase, and such that diametrically opposed poles pertain to the same phase, each stator pole having at least two teeth per stator pole. The rotor is provided with teeth that cooperate with the stator teeth. The spaces between adjacent stator poles are shorter than the spaces between the teeth of any one stator pole.

REFERENCES:
patent: 2054678 (1936-09-01), Merrill
patent: 3344325 (1967-09-01), Sklaroff
patent: 3740630 (1973-06-01), Jarret
patent: 3809990 (1974-05-01), Kuo
patent: 3995203 (1976-11-01), Torok
patent: 4035680 (1977-07-01), Maeder
patent: 4234808 (1980-11-01), Geppert
patent: 4286180 (1981-08-01), Langley
patent: 4638195 (1987-01-01), Lin
Finch, et al., "Switched Reluctance Motors with Multiple Teeth Per Pole", 2nd Int'l. Conf. Electrical Machines Design & Applications (Conf. Pub. No. 254), London, Sep. 85 pp. 134-138.

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