Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1981-02-12
1986-08-05
Duggan, Donovan F.
Electrical generator or motor structure
Dynamoelectric
Rotary
310266, 310268, H02K 2126
Patent
active
046045406
ABSTRACT:
A rotor winding of air-core disc shape is formed by winding an insulation-coated conductor so as to enclose a yoke of disc shape with only minor gaps at the outside of the yoke. The conductor of this rotor winding extends in the radial direction through the vicinity of the center, and is continuously wound, the turns being successively shifted in the tangential direction. The rotor is composed of the rotor winding, a rotor shaft fixed on this center, and a commutator. A permanent magnet is provided in such a position as opposes the yoke through the plane of the rotor winding of air-core disc shape. This magnet has at least a pair of magnet poles distributed to the opposite position against the rotor shaft, and each magnet pole supplies reverse magnet flux to the opposing yoke. The yoke, the magnet, and a brush contacted the commutator are mounted on the motor case, and the rotor is supported to the motor case so as to be rotated freely.
REFERENCES:
patent: 1947269 (1934-02-01), Leibing
patent: 3312846 (1967-04-01), Henry-Baudot
patent: 3440464 (1969-04-01), Tolmie
Duggan Donovan F.
Oken Seiko Co., Ltd.
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