Optically commutated dc motor

Details Optically commutated dc motor Optically commutated dc motor

1991-09-24

1993-01-05

Stephan, Steven L.

Electrical generator or motor structure

Dynamoelectric

Rotary

318254, 318480, H02K 1100, H02P 506, H02P 600, H02P 706

Patent

active

051773937

ABSTRACT:
An optically commutated dc motor which includes an optically encoded disk mounted on the permanent magnet rotor shaft and the encoding consists of a repeated graphics representation of the desired stator-field force strength. Optical detectors are employed to create an opto-electrical signal of sinusoidal form which is amplified and placed across the stator windings.

REFERENCES:
patent: 3257594 (1966-06-01), Weigel
patent: 3577053 (1971-05-01), McGee
patent: 4008425 (1977-02-01), Dickey
patent: 4224515 (1980-09-01), Terrell
patent: 5021735 (1991-06-01), Maas et al.

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