US PATENT SUBCLASS 310 / 176
.~.~.~.~.~ Transformer operation

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}
159  DF  .~.~ A.C. {5}
173  DF  .~.~.~ Commutated {1}
174  DF  .~.~.~.~ Single phase {2}
176.~.~.~.~.~ Transformer operation

DEFINITION

Classification: 310/176

(under subclass 174) Subject matter in which the armature winding is connected to the source of energy by means of transformer action.