US PATENT SUBCLASS 123 / 184.22
.~ Passage to crankcase

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

184.21  DF  INTAKE MANIFOLD {8}
184.22.~ Passage to crankcase {3}
184.23  DF  .~.~> For use with carburetor upstream of manifold
184.24  DF  .~.~> Manifold having plenum {1}
184.27  DF  .~.~> Multiple passage leading to inlet of head

DEFINITION

Classification: 123/184.22

Passage to crankcase:

(under subclass 184.21) Intake manifold wherein the chamber enclosing the crankshaft is connected to the intake manifold to draw working fluid therethrough.