Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1980-12-15
1982-12-28
Miller, J. D.
Electrical generator or motor structure
Dynamoelectric
Rotary
310168, 310178, 361289, 361292, G01P 348
Patent
active
043664024
ABSTRACT:
A cylindrical capacitive tachometer generator having a rotor and a stator, and a cylindrical air gap between facing cylindrical surfaces of the rotor and stator, each provided with equal numbers of teeth uniformly distributed over the circumference and spaced from each other by tooth gaps, the effective capacitive width of a tooth on one cylinder surface being smaller than the effective capacitive width of a tooth or of a tooth gap on the other cylinder surface.
REFERENCES:
patent: 2805677 (1957-09-01), Baird
patent: 3147374 (1964-09-01), Diamond
patent: 3729728 (1973-04-01), Hardway, Jr.
patent: 3886385 (1975-05-01), Bacchialoni
patent: 3950679 (1976-04-01), Boeren
patent: 4185215 (1980-01-01), Montagu
Miller J. D.
Rebsch D. L.
Treacy David R.
U.S. Philips Corporation
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