US PATENT SUBCLASS 323 / 203
.~ With plural sets of slip rings or brushes


Current as of: June, 1999
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323 /   HD   ELECTRICITY: POWER SUPPLY OR REGULATION SYSTEMS

201  DF  INCLUDING A DYNAMOELECTRIC MACHINE {3}
203.~ With plural sets of slip rings or brushes


DEFINITION

Classification: 323/203

With plural sets of slip rings or brushes:

(under subclass 201) Subject matter wherein the controlling means comprises a dynamoelectric machine having a plurality of commutators or a plurality of sets of brushes or a plurality of sets of slip rings.

(1) Note. A dynamotor (a machine which combines both motor and generator action in one magnetic field, either with two armatures or with one armature having two separate windings) is an example of a dynamoelectric machine having plural

commutators.

SEE OR SEARCH CLASS

310, Electrical Generator or Motor Structure,

127, for plural collector type dynamoelectric machines.

322, Electricity: Single Generator Systems,

53, for single generator systems wherein the generator is of the third brush type; and subclass 92 for single generator systems wherein the generator is provided with at least two sets of brushes cooperating with a single commutator and one of the sets is short-circuited.