Patent ID: 6868840

Claim:
A charge air intake system for an internal combustion engine, comprising: an air intake plenum for furnishing air to the engine; a first air supply duct for furnishing air to the intake plenum; a charge air cooler mounted in line with said first air supply duct for removing heat from air flowing though said first air supply duct; a second air supply duct for furnishing air to the intake plenum having an upstream junction with the first air supply duct upstream from said charge air cooler and a downstream junction with the first air supply duct downstream from said charge air cooler; a charge booster mounted upstream of said first and second air supply ducts for increasing the density of air flowing through said ducts from an air inlet; a splitter valve mounted at one of said upstream or downstream junction of said first and second air supply ducts for controlling the relative proportion of air flowing through said first and second ducts to said intake plenum; and an EGR duct having an upstream end connected to an exhaust plenum of said engine and a downstream end in fluid connection to said air intake plenum downstream of said bypass valve and bypassing said charge air cooler.