Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1992-02-24
1993-01-12
Stephan, Steven L.
Electrical generator or motor structure
Dynamoelectric
Rotary
310156, 310268, 318254, 318480, H02K 1100, H02K 2112, H02K 122, H02P 706
Patent
active
051793075
ABSTRACT:
The variable speed, reversible, brushless, direct current motor comprises a rotor, electromagnets a switching transistor module and electronic controller module. The rotor is mounted on a shaft with bearings at each end, with a plurality of permanent magnets symmetrically placed thereon in an alternating field pattern. Each electromagnet invokes a magnetic field at two permanent magnet positions to cause rotation of the rotor. The switching transistor module receives power from two power sources to conduct current and energize the electromagnets. The electronic control module supplies alternating voltage to points on the transistor module. The switching waveform is triggered by infra-red pick-ups mounted next to the rotor. In operation, each time an electromagnet is switched in polarity, the rotor rotates thirty-six degrees until the permanent magnets are aligned with the electromagnet. Each time the polarity is switched, the permanent magnet that is aligned is repelled, while the permanent magnet approaching is attracted. The infra-red pick-ups switch at such a time to continue the rotation.
REFERENCES:
patent: 3569806 (1971-03-01), Brailsford
patent: 3579277 (1971-05-01), Imahashi
patent: 3663877 (1972-05-01), Clark
patent: 3701042 (1972-10-01), Dukes
patent: 3832613 (1974-08-01), Bernstein et al.
patent: 4027213 (1975-05-01), de Valroger
patent: 4220879 (1980-09-01), Hoshimi et al.
patent: 4267914 (1981-05-01), Saar
patent: 4405885 (1983-09-01), Okamoto
patent: 4409524 (1983-10-01), Nielsen et al.
patent: 4475068 (1984-10-01), Brailsford
patent: 4684857 (1987-08-01), Llopis
patent: 4748387 (1988-05-01), Tanuma et al.
patent: 4857783 (1989-08-01), Prunkard
patent: 4967122 (1990-10-01), Rees
patent: 4973869 (1990-11-01), Cho
patent: 5023527 (1991-06-01), Erdman et al.
Franz Berard E.
La Balle C.
Singer Donald J.
Stephan Steven L.
The United States of America as represented by the Secretary of
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