US PATENT SUBCLASS 363 / 138
.~.~.~.~.~ With commutation means

Current as of: June, 1999
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363 /   HD   ELECTRIC POWER CONVERSION SYSTEMS

13  DF  CURRENT CONVERSION {25}
123  DF  .~ Using semiconductor-type converter {4}
135  DF  .~.~ In thyristor inverter systems {2}
136  DF  .~.~.~ Bridge type {1}
137  DF  .~.~.~.~ D.C. to plural phase {1}
138.~.~.~.~.~ With commutation means

DEFINITION

Classification: 363/138

With commutation means:

(under subclass 137) Subject matter having means to alternately and repeatedly turn on or off current flowing in one or more arms of the bridge inverter circuit.