Intake manifold tuning assembly

Details Intake manifold tuning assembly Intake manifold tuning assembly

2007-05-09

2008-12-02

Kamen, Noah (Department: 3747)

Internal-combustion engines

Intake manifold

For engine having radiating cylinders

C123S184480, C123S184530

Reexamination Certificate

active

07458354

ABSTRACT:
The present invention relates to an intake manifold including first and second plenums in fluid communication with the throttle body and a plurality of runners depending from the plenums to direct air into the cylinders of an engine. Each of the runners includes a vent to release pressurized air within the runner. The intake manifold tuning assembly further includes a tuning device disposed between the plenums, the tuning device includes a housing having a plurality of tuning ports aligned relative to the vents to receive pressurized air from the runners. An intermediate plenum is defined within the housing that directs pressurized air from one runner to another runner corresponding to the next cylinder in the firing sequence of the engine. Valves regulate the transfer of pressurized air between the runners for increased torque output over a predetermined range of engine speed.

REFERENCES:
patent: 5406913 (1995-04-01), Rutschmann
patent: 5632239 (1997-05-01), Patyi et al.
patent: 5687684 (1997-11-01), Verkleeren
patent: 6837204 (2005-01-01), Stuart
patent: 6983727 (2006-01-01), Narayanaswamy
patent: 7131416 (2006-11-01), Sasaki et al.

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