Patent ID: 6659092
Filing Date: 2003-12-09
Classification: F02M

Abstract:
An internal combustion engine, comprising:a combustion air supply; an exhaust manifold; and a bypass venturi assembly interconnecting said combustion air supply and said exhaust manifold, said bypass venturi assembly including: a housing having an outlet, a combustion air inlet and an exhaust gas inlet; a center piece positioned within said housing and in communication with said combustion air inlet, said center piece defining a combustion air bypass section therein; an annular venturi nozzle positioned between said housing and said center piece, said venturi nozzle in communication with said combustion air inlet and defining a combustion air venturi section, said venturi nozzle in communication with said exhaust gas inlet and defining an exhaust gas venturi section; a combustion air bypass valve positioned in association with said combustion air bypass section; and an exhaust gas valve positioned in association with said exhaust gas inlet.