Exhaust gas recirculation system module with integral vacuum

摘要

A system module is provided for recirculating exhaust gases from an internal combustion engine to an intake manifold of the internal combustion engine. The module includes a body ( 12 ) including a passageway ( 41 ) between an exhaust gas inlet ( 32 ) and an exhaust gas outlet ( 34 ). An orifice ( 36 ) constricts the flow of exhaust gases proximate the exhaust gas outlet. A differential pressure sensor ( 38 ) is constructed and arranged to sense differential pressure across the orifice. A manifold absolute pressure sensor ( 42 ) is constructed and arranged to sense vacuum pressure associated with the exhaust gas outlet. A first hose ( 40 ) is coupled with the body and provides the differential pressure sensor with vacuum pressure on a first side of the orifice. A second hose ( 44 ) is coupled with the body and provides the manifold pressure sensor with vacuum pressure. The first and second hoses are integral with the system module.