METHOD FOR OPERATING A DRIVE ASSEMBLY AND DRIVE ASSEMBLY
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United States of America Patent
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Issued Date -
Dec 18, 2014
app pub date -
Dec 19, 2012
filing date -
Dec 24, 2011
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention relates to a method for operating a drive assembly having a gasoline engine (1) and an exhaust gas cooling system. According to the method, combustion air fed through an inlet valve to a cylinder (3) of the gasoline engine (1) is compressed by an exhaust turbocharger (12) having a turbine (13) with variable turbine geometry. The inlet valve is closed before a piston in the cylinder (3) reaches bottom dead center. The exhaust gas fed to the turbine is cooled in a section of an exhaust gas line, in particular in the exhaust manifold.
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