US PATENT SUBCLASS 123 / 184.42
.~.~ Manifold having plenum

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}
184.42.~.~ Manifold having plenum {1}
184.43  DF  .~.~.~> Plural plenums {1}

DEFINITION

Classification: 123/184.42

Manifold having plenum:

(under subclass 184.38) Intake manifold including a chamber in which the working fluid is contained at a pressure different from the pressure surrounding the chamber.