Patent ID: 6378509
Filing Date: 2002-04-30
Classification: F01N,F02B,F02M,Y10T

Abstract:
An internal combustion engine, comprising:a block defining a plurality of combustion cylinders, each combustion cylinder of said plurality of combustion cylinders having a displacement volume; an intake manifold fluidly connected to said block to supply combustion air to said each combustion cylinder, said intake manifold having an air intake port and a first EGR inlet port; a secondary exhaust manifold fluidly coupled to at least one of said plurality of combustion cylinders, said secondary exhaust manifold having an exhaust outlet port; and a multipurpose valve having a first valve inlet port, a waste gas outlet port and a first EGR outlet port, said first valve inlet port being fluidly connected to said exhaust outlet port of said secondary exhaust manifold, said waste gas outlet port being in communication with the atmosphere, and said first EGR outlet port being fluidly coupled to said first EGR inlet port of said intake manifold.