Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1978-08-29
1981-01-06
Duggan, Donovan F.
Electrical generator or motor structure
Dynamoelectric
Rotary
310207, 310268, H02K 2354
Patent
active
042439027
ABSTRACT:
A direct current motor is provided with a field magnet having 4 mn alternating N and S poles (m being a positive integer of one or more and n being a positive integer of two or more) that are magnetized within segments of equi-angular width about the field magnet, a magnetic-material member for closing the magnetic path of the field magnet, and a rotatably mounted armature having m(2n+1) armature windings equally distributed thereabout in a non-superposed manner with respect to each other and in a face-to-face relationship with respect to the field magnet poles, each winding having an angular spacing between those conductor portions thereof that contribute to the generation of the torque that is equal to the angular width of the field magnet poles.
REFERENCES:
patent: Re25305 (1962-12-01), Haydon
patent: 302319 (1884-07-01), Brush
patent: 3686521 (1972-08-01), Henry-Baudot
Ban Itsuki
Egami Kazuhito
Shiraki Manabu
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