Inertia charge intake manifold for multi-cylinder internal combustion engine and connecting method for branch pipes of intake manifold
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United States of America Patent
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Sep 4, 2001
Grant Date -
N/A
app pub date -
Aug 31, 1999
filing date -
Sep 1, 1998
priority date (Note) -
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Abstract
An inertia charge intake manifold is associated with an internal combustion engine having a plurality of cylinders. The intake manifold includes a plurality of elongated separate branch pipes each corresponding to a respective one of the cylinders. The intake manifold also includes a common flange for connecting a first end of each branch pipe to the internal combustion engine. The common flange has a first surface attached to the internal combustion engine. Further, the intake manifold includes a surge tank to which a second end of each branch pipe is connected. The common flange, the surge tank and each branch pipe are made of a hard thermoplastic synthetic resin. The common flange is integrally connected to the surge tank.
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