Small D.C. motor

Details Small D.C. motor Small D.C. motor

1979-11-01

1982-11-30

Truhe, J. V.

Electricity: motive power systems

Switched reluctance motor commutation control

318138, 318439, H02K 2902

Patent

active

043617891

ABSTRACT:
A small D.C. motor has an ironless armature comprised of a winding carrier disk secured to the motor output shaft for rotation therewith and carrying an armature winding comprised of a plurality of component coils connected together in star configuration. The common or center terminal of the star-configuration interconnection of component coils is connected to one slip ring. A plurality of control circuits are provided, one for each component coil. Each control circuit connects the other terminal of the respective component coil to a further slip ring. The control circuits control the flow of current through the component coils, are light-activated and exposed to light from a lamp through the intermediary of a circle-segment aperture in a rotating light-blocking structure.

REFERENCES:
patent: 3495148 (1970-02-01), Marchal et al.
patent: 4004202 (1977-01-01), Davis
patent: 4107595 (1978-08-01), Campe

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