US PATENT SUBCLASS 123 / 184.24
.~.~ Manifold having plenum

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

184.21  DF  INTAKE MANIFOLD {8}
184.22  DF  .~ Passage to crankcase {3}
184.24.~.~ Manifold having plenum {1}
184.25  DF  .~.~.~> Plural plenums {1}

DEFINITION

Classification: 123/184.24

Manifold having plenum:

(under subclass 184.22) Intake manifold including a chamber in which the working fluid is contained at a pressure different from the pressure surrounding the chamber.