US PATENT SUBCLASS 60 / 605.2
.~.~.~ With exhaust gas recirculation

Current as of: June, 1999
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60 /   HD   POWER PLANTS

597  DF  FLUID MOTOR MEANS DRIVEN BY WASTE HEAT OR BY EXHAUST ENERGY FROM INTERNAL COMBUSTION ENGINE {5}
598  DF  .~ With supercharging means for engine {5}
605.1  DF  .~.~ Supercharging means driven by engine exhaust actuated motor {7}
605.2.~.~.~ With exhaust gas recirculation

DEFINITION

Classification: 60/605.2

With exhaust gas recirculation:

(under subclass 605.1) Apparatus in which part of the combustion products exhausted from the engine are returned to the engine combustion chamber for subsequent reburning.

SEE OR SEARCH CLASS

123, Internal-Combustion Engines,

568.11+, for nonsupercharged internal combustion engines having exhaust gas recirculation.