Patent ID: 6430929
Filing Date: 2002-08-13
Classification: F02B,F02M,Y02T

Abstract:
A turbocharger having an integral Exhaust Gas Recirculation (EGR) valve comprising:a turbine housing having an exhaust gas inlet receiving exhaust gas and a volute for directing the exhaust gas to a turbine nozzle, said volute having a flange incorporating an EGR outlet tangential to the circumference of the volute and substantially linearly aligned with a stream line of the exhaust gas entering the inlet; an EGR valve assembly including a mating flange to engage the EGR outlet flange in a selected one of a plurality of orientations, an elbow extending from the mating flange for attachment to an EGR conduit, the direction of attachment of said elbow to said EGR conduit determined by the selected orientation of the mating flange, an adjustable valve mounted within the elbow and having at least two adjustment positions, a first position closing the EGR outlet and a second open position, and means for adjusting the valve between the first and second positions.