D-C commutator-type dynamo electric machine with electronic cont

Details D-C commutator-type dynamo electric machine with electronic cont D-C commutator-type dynamo electric machine with electronic cont

1975-04-29

1977-08-02

Rubinson, Gene Z.

Electricity: motive power systems

Limitation of motor load, current, torque or force

318254, H02P 706

Patent

active

040399150

ABSTRACT:
An electronic controlled switch, for example a bipolar thyristor, is included in the armature circuit between the brushes, conduction of the thyristor being controlled by a pulse source providing pulses in synchronism with the rotation of the machine for selectively timed energization of the thyristor and hence connection of the armature winding. The pulse source may be a mechanical interrupter coupled to the machine shaft, a separate pulse source, or the like, and the thyristor can be directly controlled from the pulse source by means of slip rings, or non-contacting pulse transfer circuit elements, such as inductive elements.

REFERENCES:
patent: 3453513 (1969-07-01), Bates et al.
patent: 3631529 (1971-12-01), Ohyama
patent: 3667011 (1972-05-01), Casaday et al.
patent: 3840790 (1974-10-01), Stich et al.
patent: 3896349 (1975-07-01), Lozenko et al.

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