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Turbocharger having inclined volutes

United States Patent Application

View the Complete Application at the US Patent & Trademark Office
A turbocharger for a power system is disclosed. The turbocharger has an impeller wheel, which is rotatable about a central axis and includes a back face at least partially defining a reference plane substantially perpendicular to the central axis. In addition, the turbocharger includes a housing configured to at least partially enclose the impeller wheel. The housing also has at least one volute configured to fluidly communicate fluid with the impeller wheel. The entire length of the at least one volute from a turbocharger inlet is axially inclined relative to the reference plane so the fluid flows in both a radial and axial direction.
Delvecchio, Kerry A. (Dunlap, IL), Kruiswyk, Richard W. (Dunlap, IL), Reisdorf, Paul W. (Dunlap, IL), Hafiz, Anees (Peoria, IL)
Caterpillar Inc.
11/ 589,965
October 31, 2006
U.S. GOVERNMENT RIGHTS [0001] This invention was made with government support under the terms of Contract No. DE-FC26-05NT42423 awarded by the Department of Energy. The government may have certain rights in this invention.