Daimler-Benz Ag

Daimler Chrysler Ag

Marco Schade

Siegfried Sumser

Erwin Schmidt

An internal-combustion engine with a turbocharger is suggested, in the case of which a limiting of the exhaust gas counterpressure is provided in the braking operating mode of the internal-combustion engine.

Internal-combustion engine with an exhaust gas turbocharger

In an exhaust gas turbocharger turbine for an internal combustion engine with a turbine housing having an annular flow path, a control sleeve axially movably supported in an annular space formed in the turbine housing adjacent the annular flow path and having at its front end a flow guide structure with vanes for guiding the exhaust gas flow when the flow guide structure is disposed in the annular flow path, a ring is disposed at the front end of the control sleeve in front of the flow guide structure such that the annular space is covered and sealed when the control sleeve is fully retracted into the annular space whereby flow losses are substantially reduced.

Exhaust gas turbocharger turbine for an internal combustion engine

In an exhaust gas turbocharger turbine for an internal combustion engine including a turbine housing with a turbine wheel disposed therein, an axially movable slide member having a front end with a vane structure is disposed in an annular gap formed in the turbine housing adjacent a radial flow passage leading to the turbine wheel such that the annular slide member is movable between a first position in which its vane structure is disposed in the radial flow passage and a second position in which the vane structure is received within the annular gap and blow off passages which extend through the turbine housing from the radial flow passage through the annular gap to the discharge side of the turbine are opened when the annular slide member is further retracted for discharging gas from the radial flow passage to the turbine discharge side while by-passing the turbine.

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Endigen, Switzerland

Marco Schade