US PATENT SUBCLASS 123 / 439
.~.~.~ Variable venturi carburetor

Current as of: June, 1999
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123 /   HD   INTERNAL-COMBUSTION ENGINES

434  DF  CHARGE FORMING DEVICE (E.G., POLLUTION CONTROL) {29}
437  DF  .~ Auxiliary control of carburetor fuel metering {2}
438  DF  .~.~ By electrical or electronic control system {1}
439.~.~.~ Variable venturi carburetor

DEFINITION

Classification: 123/439

Variable venturi carburetor:

(under subclass 438) Subject matter in which the carburetor is of the type having an airflow venturi that is variable in size.