US PATENT SUBCLASS 123 / 559.2
.~.~ Pressure exchange with exhaust gas

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

434  DF  CHARGE FORMING DEVICE (E.G., POLLUTION CONTROL) {29}
559.1  DF  .~ Supercharger {9}
559.2.~.~ Pressure exchange with exhaust gas

DEFINITION

Classification: 123/559.2

Pressure exchange with exhaust gas:

(under subclass 559.1) Subject matter wherein the means to increase the pressure of the intake air is a pressure exchange wherein the engine exhaust gas directly contacts the intake air.

SEE OR SEARCH CLASS

417, Pumps,

64, for pressure exchanges, per se.