Intake manifold for internal combustion engine with integrated fuel rail
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United States of America Patent
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-
Jun 1, 2004
Grant Date -
Mar 20, 2003
app pub date -
Sep 17, 2002
filing date -
Sep 19, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A combined air intake manifold and fuel delivery rail for an internal combustion engine which decreases manufacturing and assembly costs, as well as the weight of the engine. An air channel formed in a hollow portion of the manifold registers with air intake ports in the engine head which lead to the individual cylinders of the engine. An elongated recess in the underside of a mounting flange forms a fuel supply channel which communicates with fuel inlet openings in the engine head leading to fuel injectors for the engine cylinders. Seals may be provided between the manifold and the engine head to seal the air channel and the fuel supply channel.
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