US PATENT SUBCLASS 123 / 585
.~ Auxiliary air or oxygen added to combustible mixture

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

434  DF  CHARGE FORMING DEVICE (E.G., POLLUTION CONTROL) {29}
585.~ Auxiliary air or oxygen added to combustible mixture {3}
586  DF  .~.~> Oxidant controlled by throttle
587  DF  .~.~> Oxidant controlled by intake manifold vacuum
588  DF  .~.~> Oxidant controlled by engine temperature

DEFINITION

Classification: 123/585

Auxiliary air or oxygen added to combustible mixture:

(under subclass 434) Subject matter in which means is provided to add an additional oxidant to the combustible mixture produced by a charge-forming device before the mixture is fed to the engine cylinders.

SEE OR SEARCH CLASS

137, Fluid Handling,

480, for the control of an auxiliary inlet to a combustion engine induction line in response to variations in engine inlet pressure.

261, Gas and Liquid Contact Apparatus,

38+, for carburetor air bypasses.