Patent ID: 6792755
Filing Date: 2004-09-21
Classification: F01D,F02B,F02C,F04D,Y02T

Abstract:
A turbocharger for an internal combustion engine, the turbocharger comprising:a rotatable shaft disposed within a center housing and having a first end and a second end; a turbine housing attached to one end of the center housing and having a turbine wheel disposed therein and attached to first end of the rotatable shaft; a compressor backplate attached to an opposite end of the center housing; a first compressor housing attached to compressor backplate impeller and comprising a first compressor impeller rotatably disposed therein and attached to the shaft; a second compressor housing attached to the first compressor housing and comprising a second compressor impeller rotatably disposed therein and attached the shaft second end; and a scroll seal interposed between the first and second compressor impellers and extending radially outwardly between the first and second compressor housings.