US PATENT SUBCLASS 322 / 87
.~.~.~ Dynamoelectric source

Current as of: June, 1999
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322 /   HD   ELECTRICITY: SINGLE GENERATOR SYSTEMS

44  DF  GENERATOR CONTROL {11}
59  DF  .~ With excitation winding and/or circuit control {11}
86  DF  .~.~ Plural sources of excitation voltage {2}
87.~.~.~ Dynamoelectric source

DEFINITION

Classification: 322/87

(under subclass 86) Subject matter wherein one of the sources of electric energy is a dynamoelectric machine other than the load generator.

SEE OR SEARCH CLASS

307, Electrical Transmission or Interconnection Systems,

76, for interconnection systems for plural generators of different voltages, subclasses 78+ for systems of series connected generators, and subclass 84 for systems including plural generators.