Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1977-04-14
1978-08-15
Duggan, Donovan F.
Electrical generator or motor structure
Dynamoelectric
Rotary
310103, 310111, 310168, H02K 4904
Patent
active
041075617
ABSTRACT:
An apparatus for generating a pulse train depending on the speed of a rotary system. The external field of a coupling magnet in a slipping clutch in the rotary system is sensed to provide a measure of speed.
REFERENCES:
patent: 2603678 (1952-07-01), Helmer
patent: 3223865 (1965-12-01), Gladstone
patent: 3324320 (1967-06-01), Evert
patent: 3470406 (1969-09-01), Law
Duggan Donovan F.
Treacy David R.
Trifari Frank R.
U.S. Philips Corporation
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