METHOD FOR OPERATING AN INTERNAL COMBUSTION ENGINE WITH AN EXHAUST GAS TURBO CHARGER AND A USEFUL TURBINE

In a method for operating an internal combustion engine having an exhaust gas turbocharger with an exhaust gas turbine in an exhaust tract, a power turbine arranged downstream of the exhaust gas turbine and an exhaust gas treatment unit arranged downstream of the power turbine, a pressure control de...

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Bibliographic Details
Main Authors GRUDEN, IGOR, ONNEN, CHRISTIAN, ARNDT, STEFAN
Format Patent
LanguageEnglish
French
German
Published 05.09.2007
Subjects
BLASTING
COMBUSTION ENGINES
COMBUSTION ENGINES IN GENERAL
CONTROLLING COMBUSTION ENGINES
ENGINE PLANTS IN GENERAL
GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNALCOMBUSTION ENGINES
GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES ORENGINES IN GENERAL
HEATING
HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
INTERNAL-COMBUSTION PISTON ENGINES
LIGHTING
MACHINES OR ENGINES IN GENERAL
MECHANICAL ENGINEERING
STEAM ENGINES
WEAPONS
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Summary:In a method for operating an internal combustion engine having an exhaust gas turbocharger with an exhaust gas turbine in an exhaust tract, a power turbine arranged downstream of the exhaust gas turbine and an exhaust gas treatment unit arranged downstream of the power turbine, a pressure control device is provided in the exhaust tract downstream of the exhaust gas turbocharger and is moved toward a pressure release position so as to limit the exhaust gas pressure downstream of the exhaust gas turbine when the exhaust gas flow resistance in the exhaust gas treatment unit becomes excessive for example by a clogged particle filter.
Bibliography:Application Number: EP20050817998