Patent ID: 6955149
Filing Date: 2005-10-18
Classification: F02B,F02D,F02M,Y02T

Abstract:
1. An intake manifold for use with an internal combustion engine having two groups of cylinders, the intake manifold comprising: a pair of plenums adapted to receive intake air through separate inlets from at least one throttle body and to discharge the inlet air through separate groups of runners connectable with the two groups of engine cylinders; first and second communication passages each connecting the two plenums, the passages intersecting an axis adjacent axially spaced locations and adapted for separately tuning the manifold to enhance engine torque at differing engine speeds; and a control valve including an elongated shaft rotatable on the axis and extending axially across the first and second communication passages, the shaft carrying a first blade disposed in the first passage and rotatable with the shaft to control communication through the first passage and the shaft carrying a second blade disposed in the second passage and rotatable with the shaft to control communication through the second passage.