EGR valve for an internal combustion engine

摘要

An exhaust gas recirculation (EGR) valve for an internal combustion engine, said valve comprising a housing 10 having a bore 12 defining an exhaust gas flow passage, a valve member 14 being pivotally mounted within the bore 12 on a pivot axis 16 transverse to a longitudinal axis of the flow passage for movement between an open position and a closed position, first and second inwardly extending arcuate valve seat members 18,20 being provided in the bore 12 of the flow passage diametrically opposed to one another transverse to the pivot axis 16 of the valve member 14, a sealing face 22 of said first valve seat member 18 cooperating with a portion 24 of a first side of the valve member 14 and a sealing face 32 of said second valve seat member 20 cooperating with a portion 34 of a second side of the valve member 14 when the valve member is in its closed position.