Patent ID: 6374612
Filing Date: 2002-04-23
Classification: F02B,F02C,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, a 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 of said first compressor with said second inlet of said second compressor; at least one heat exchanger disposed in said interstage duct, said heat exchanger defining a plurality of diffuser vanes at said first outlet; and a cooling fluid supply system fluidly connected to said diffuser vanes defined by said heat exchanger.