US PATENT SUBCLASS 123 / 184.21
INTAKE MANIFOLD

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

184.21INTAKE MANIFOLD {8}
184.22  DF  .~> Passage to crankcase {3}
184.28  DF  .~> For engine having radiating cylinders {2}
184.38  DF  .~> For in-line engine {3}
184.46  DF  .~> For use with carburetor upstream of manifold
184.47  DF  .~> Manifold having plenum {2}
184.52  DF  .~> Multiple passage leading to inlet of one cylinder
184.53  DF  .~> Manifold tuning, balancing or pressure regulating means {6}
184.61  DF  .~> Manifold material or composition

DEFINITION

Classification: 123/184.21

INTAKE MANIFOLD:

(under the class definition) Internal-combustion engine component including at least one passage in fluid communication with an inlet port of the engine through which working fluid (i.e., air, air and fuel mixture, etc.) is distributed to the engine.

(1) Note. A manifold that conveys intake gases to an engine and also conveys exhaust gases away from an engine is included herein. Preheating of intake gases may be done by the exhaust gases in such a manifold.

SEE OR SEARCH CLASS

60, Power Plants,

323, for an exhaust manifold, per se, or in combination with a power plant.