Exhaust gas recirculation with reduced condensate formation
The invention relates to exhaust gas recirculation with reduced condensate formation. The invention relates to a method for operating a combustion engine (10) having a supercharger (11) comprising a turbine (12) and a compressor (13) and having a device for exhaust gas recirculation, wherein, during...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention relates to exhaust gas recirculation with reduced condensate formation. The invention relates to a method for operating a combustion engine (10) having a supercharger (11) comprising a turbine (12) and a compressor (13) and having a device for exhaust gas recirculation, wherein, during exhaust gas recirculation, exhaust gas discharged by the combustion engine flows through the turbine (12), mixes with air downstream of the turbine (12), and is supplied (41) to the compressor (13). The method comprises the following steps of: a step of preparing a precursor; determining (42) the temperature, pressure and humidity of the exhaust-air mixture upstream of the compressor; the maximum humidity of the exhaust-air mixture is established (43) for the determined temperature as a function of the pressure, and-if the determined humidity of the exhaust-air mixture is higher than the established maximum humidity (44), the pressure of the exhaust-air mixture upstream of the compressor isreduced (46) to a pressu |
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