Patent ID: 7571607
Filing Date: 2009-08-11
Classification: F01D,F02B,F02C,F04D,F05D,Y02T

Abstract:
1. A turbocharger, comprising: a housing; a first compressor wheel and a first turbine wheel mounted on a first shaft supported by the housing; a second compressor wheel and a second turbine wheel mounted on a second shaft supported by the housing, wherein the first and the second shafts extend concentrically to define an axial direction, and wherein the housing defines a fully enclosed axial duct, through which all air flows from the first compressor wheel to the second compressor wheel, extending axially between the first and second compressor wheels; and a plurality of compressor guide vanes extending through the axial duct intermediate the first and second compressor wheels; wherein the first compressor wheel is an axial compressor wheel configured to direct airflow axially through the axial duct toward the second compressor wheel.