Patent ID: 6343594
Filing Date: 2002-02-05
Classification: F02M

Abstract:
A variable flow venturi assembly for use in an exhaust gas recirculation system of an internal combustion engine, comprising:a housing having an inner chamber, a combustion air inlet in communication with said inner chamber, and an exhaust gas inlet in communication with said inner chamber; a venturi valve slidably disposed within said inner chamber, said venturi valve including a longitudinally extending throughhole with an inlet opening in communication with said combustion air inlet, an outlet opening and a venturi section interposed between and in communication with each of said inlet opening and said outlet opening, said venturi valve further including at least one bypass port and at least one induction port, each said bypass port in communication with said combustion air inlet and said throughhole, each said induction port in communication with said exhaust gas inlet and said throughhole; and an actuator for slidably moving said venturi valve within said inner chamber of said housing.