US PATENT SUBCLASS 123 / 184.41
.~.~.~ Intake manifold heated by outlet manifold


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

184.21  DF  INTAKE MANIFOLD {8}
184.38  DF  .~ For in-line engine {3}
184.39  DF  .~.~ For use with carburetor upstream of manifold {1}
184.41.~.~.~ Intake manifold heated by outlet manifold


DEFINITION

Classification: 123/184.41

Intake manifold heated by outlet manifold:

(under subclass 184.39) Intake manifold wherein the engine also includes at least one exhaust passage intermingling with or in thermal communication with at least a portion of the intake manifold.