US PATENT SUBCLASS 290 / 15
.~.~.~.~ Rotary field and armature

Current as of: June, 1999
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290 /   HD   PRIME-MOVER DYNAMO PLANTS

7  DF  ELECTRIC CONTROL {10}
*  DD  .~ Traction {5}
9  DF  .~.~ Electric traction motor {3}
14  DF  .~.~.~ With generator {3}
15.~.~.~.~ Rotary field and armature

DEFINITION

Classification: 290/15

Electric-control prime-mover dynamo plants including a dynamo electric machine which acts as a traction-motor and a dynamo electric machine which acts as a generator, one or both of said dynamo electric machines having both field and armature rotatable.