Induction system for an internal combustion engine

Details Induction system for an internal combustion engine Induction system for an internal combustion engine

2004-03-20

2009-10-27

Kamen, Noah (Department: 3741)

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

C123S184210

Reexamination Certificate

active

07607413

ABSTRACT:
An induction system for an internal combustion engine, having a combustion chamber and an intake port in periodic communication with the combustion chamber, includes an intake tube having a lower trumpet (41) and an upper trumpet (42), each having an upper end, a lower end and a length; a transition section (43) extending between the upper end of the lower trumpet and the lower end of the upper trumpet; wherein the lower trumpet is connectable at its lower end to the intake port (22) of an engine and has an inner transition diameter (48) proximal its upper end, and wherein the upper trumpet has an inner expansion diameter (55) that is between about 68 percent and 217 percent greater than the transition diameter.

REFERENCES:
patent: 5571242 (1996-11-01), Demorest
patent: 5595062 (1997-01-01), Chabry
patent: 5662086 (1997-09-01), Piccinini

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