Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1982-09-30
1984-07-03
Miller, J. D.
Electrical generator or motor structure
Dynamoelectric
Rotary
310 46, H02K 1700
Patent
active
044581670
ABSTRACT:
An electric motor comprising a rotor rotating around an axis and a stator. The rotor and the stator each comprise a set of dipolar pieces regularly distributed around their respective periphery, one of these sets being inside a circle centered on the axis, the other set being outside of the same circle. Each of these sets has a different number of dipolar pieces. The motor further comprises a controlling system associated with one of the sets, preferably the stator, to furnish current coils wound on the dipolar pieces of this set so as to selectively magnetize these pieces and thus form a rotating magnetic field. In accordance with the invention, each dipolar piece has a longitudinal axis extending perpendicular to a given radius of a circle lying in a plane perpendicular to the axis of the rotor. The dipolar pieces are spaced so that the magnetization of one of the pieces of the set associated with the controlling system induces, with one piece of the other set, a magnetic circuit near the longitudinal axis of the pieces. This magnetic circuit seeks to close itself and thus induces a lever force which starts the rotor rotating. The resulting motor has fewer losses and can have a lighter structure than those already known.
REFERENCES:
patent: 1043325 (1912-11-01), Lincoln
patent: 1233232 (1917-07-01), Heyroth
patent: 2853637 (1958-09-01), Ishikawa
patent: 3064150 (1962-11-01), Barnes
patent: 3585474 (1971-06-01), Kobayashi
patent: 3678359 (1972-07-01), Peterson
patent: 4338536 (1982-07-01), Hallidy
patent: 4347457 (1982-08-01), Sakamoto
Miller J. D.
Rebsch D. L.
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