Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1976-11-11
1978-09-26
Duggan, Donovan F.
Electrical generator or motor structure
Dynamoelectric
Rotary
310268, 310231, 310253, H02K 1300
Patent
active
041173635
ABSTRACT:
Disclosed is a DC motor comprising a rotor consisting of a rotary shaft, a disk carried by the rotary shaft coaxially thereof and a plurality of prefabricated coils mounted on the disk and equiangularly spaced apart from each other; brushes attached on the rotor and electrically connected to the coils and each consisting of carbon fibers; and a casing wherein commutator segments are mounted on the inner surface of the side wall of the casing and circumferentially equiangularly spaced apart from each other for sliding contact with the brushes and permanent magnets are mounted on the casing so as to surround or be surrounded by the coils in radially opposed relation therewith or to be in axially opposed relation therewith.
REFERENCES:
patent: 2553292 (1951-05-01), Barrett
patent: 2812454 (1957-11-01), Buck
patent: 3348086 (1967-10-01), Monma
patent: 3648088 (1972-03-01), Wilkin et al.
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