Abstract: A method for operating an internal combustion engine includes controlling a variable valve drive for at least one intake valve and at least one exhaust valve of at least one working cylinder of an internal combustion engine in dependence on operating states of the internal combustion engine. The valve drive is variable with regard to valve control times and/or a valve lift. The operating states of the internal combustion engine are defined by load demands, rotational speeds, load conditions and/or torque conditions. Valve operating states of the variable valve drive are set in dependence on the operating states of the internal combustion engine. The valve operating states can increase a charge of a working cylinder, provide an overlap of opening times of intake and exhaust valves, minimize fuel consumption or operate an intake valve in an expansion mode or according to a Miller/Atkinson process.

Abstract: A method for operating an internal combustion engine includes controlling a variable valve drive for at least one intake valve and at least one exhaust valve of at least one working cylinder of an internal combustion engine in dependence on operating states of the internal combustion engine. The valve drive is variable with regard to valve control times and/or a valve lift. The operating states of the internal combustion engine are defined by load demands, rotational speeds, load conditions and/or torque conditions. Valve operating states of the variable valve drive are set in dependence on the operating states of the internal combustion engine. The valve operating states can increase a charge of a working cylinder, provide an overlap of opening times of intake and exhaust valves, minimize fuel consumption or operate an intake valve in an expansion mode or according to a Miller/Atkinson process.

Abstract: The invention relates to an internal combustion engine, especially of a motor vehicle, which comprises an air path for intake air in which a mechanically driven charge unit (20), especially a compressor, which can be connected and disconnected by means of a coupling (36), an exhaust gas turbocharger (18), an intake pipe (32), connected to air inlets of a cylinder block (10) of the internal combustion engine, and a charge cooler (34) are mounted. One pressure outlet (35) of the mechanically driven charge unit (20 is directly connected to the intake pipe (32) and one pressure outlet (24) of the exhaust gas charger (18) is connected to an intake inlet (28) of the mechanically driven charge unit (20). The pressure outlet (24) of the exhaust gas charger (18) is connected to the intake inlet (28) of the mechanically driven charge unit (20) via an on-off butterfly valve (26) and upstream of said on-off butterfly valve (26) to the intake pipe (32) via a load butterfly valve (30).

Abstract: The invention relates to an internal combustion engine, especially of a motor vehicle, which comprises an air path for intake air in which a mechanically driven charge unit (20), especially a compressor, which can be connected and disconnected by means of a coupling (36), an exhaust gas turbocharger (18), an intake pipe (32), connected to air inlets of a cylinder block (10) of the internal combustion engine, and a charge cooler (34) are mounted. One pressure outlet (35) of the mechanically driven charge unit (20 is directly connected to the intake pipe (32) and one pressure outlet (24) of the exhaust gas charger (18) is connected to an intake inlet (28) of the mechanically driven charge unit (20). The pressure outlet (24) of the exhaust gas charger (18) is connected to the intake inlet (28) of the mechanically driven charge unit (20) via an on-off butterfly valve (26) and upstream of said on-off butterfly valve (26) to the intake pipe (32) via a load butterfly valve (30).

Abstract: The invention relates to an internal combustion engine, especially an internal combustion engine for a motor vehicle, comprising an air path for intake air wherein a compressor (12), an exhaust gas turbocharger (18) and a throttle valve (22) are arranged. An outlet of the compressor (12) is connected to an inlet of the exhaust gas turbocharger (18). An air channel (14) is provided which bridges over the compressor (12). The throttle valve (22) is arranged downstream from the exhaust gas turbocharger (18). A compression throttle valve (16) is arranged in the air channel (14) which bridges over the compressor (12), said valve selectively continuously closes the air channel (14) which bridges over the compressor (12) and controls compression of the compressor (12).