US PATENT SUBCLASS 310 / 147
.~.~.~.~.~ Slip rings in field circuit

Current as of: June, 1999
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310 /   HD   ELECTRICAL GENERATOR OR MOTOR STRUCTURE

10  DF  DYNAMOELECTRIC {5}
40 R  DF  .~ Rotary {28}
127  DF  .~.~ Plural collector-type machines {4}
143  DF  .~.~.~ Plural slip-ring sets {1}
144  DF  .~.~.~.~ Plural armature windings {3}
147.~.~.~.~.~ Slip rings in field circuit

DEFINITION

Classification: 310/147

(under subclass 144) Subject matter in which the slip rings are connected in the field circuit.