Patent ID: 7958729
Filing Date: 2011-06-14
Classification: B01D,F01D,F01M,F02B,F04D,F05D

Abstract:
1. A compressor in the intake tract of an internal combustion engine, the compressor comprising: a housing including a partition wall dividing an interior of said housing into two chambers; an elongated rotatable shaft arranged within said housing, said shaft extending through said partition wall into said chambers; wherein a first one of said chambers is a compressor chamber; wherein a second of said chambers is an intermediate chamber, said intermediate chamber arranged in said housing axially spaced and immediately adjacent to compressor chamber, a compressor wheel arranged in the compressor chamber, wherein the compressor wheel is coupled to the shaft; wherein the intermediate chamber is separate from the compressor chamber; a centrifugal separator wheel arranged in the intermediate chamber and coupled to the shaft; wherein the intermediate chamber includes wherein the centrifugal separator wheel has a radially extending back wall with axially opposing first and second sides, wherein the first side is facing away from the compressor chamber, wherein the centrifugal separator further comprises a first set of vanes secured to and extending in axial direction outwardly from said first side, said first set of vanes extending radially between said shaft and a radially arranged wall of said intermediate chamber, and wherein a second set of vanes are arranged annularly on said second side of said centrifugal separator wheel and facing said connecting opening, said second set of vanes arranged annularly in an outer circumferential region of said second side of said backwall.