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Boosting devices with integral features for recirculating exhaust gas

United States Patent

9,133,793
September 15, 2015
View the Complete Patent at the US Patent & Trademark Office
According to one embodiment of the invention, a compressor housing includes a compressor inlet in fluid communication with a compressor volute configured to house a compressor wheel, the compressor inlet configured to provide a first air flow to the compressor wheel and a compressor outlet in fluid communication with the compressor volute, the compressor outlet configured to direct a compressed gas to an intake manifold. The compressor housing further includes an exhaust gas recirculation inlet port in fluid communication with the compressor volute, the exhaust gas recirculation inlet port being configured to combine an exhaust gas flow with the air flow to the compressor wheel.
Wu; Ko-Jen (Troy, MI)
GM Global Technology Operations LLC (Detroit, MI)
12/ 975,959
20120159949
December 22, 2010
FEDERAL RESEARCH STATEMENT This invention was made with Government support under Agreement No. DE-FC26-07NT43271, awarded by the Department of Energy. The U.S. Government has certain rights in the invention.