Patent ID: 6301889
Filing Date: 2001-10-16
Classification: F02B,F02C,F02M,Y02T

Abstract:
A turbocharger for an internal combustion engine, comprising:a rotatable shaft;a turbine including a turbine wheel carried by said shaft;a multi-stage compressor including a first compressor wheel carried by said shaft, an axially extending first inlet associated with said first compressor wheel, a radially extending first outlet associated with said first compressor wheel, a second compressor wheel carried by said shaft, a second inlet associated with said second compressor wheel, and a radially extending second outlet associated with said second compressor wheel;an interstage duct fluidly interconnecting in series said first outlet associated with said first compressor wheel with said second inlet associated with said second compressor wheel;an exhaust gas recirculation duct fluidly interconnecting said turbine with said interstage duct; anda valve positioned within said exhaust gas recirculation duct.