Abstract: An electric drive train for a pure electrically operated vehicle includes an electric motor with a motor shaft and a start-up support unit mechanically connected to the motor shaft configured to convert a motor speed and a motor torque of the motor shaft into an output speed and an output torque such that the output speed is lower than the motor speed and/or the output torque is higher than the motor torque. Also, a method of operating an electric drive train during a start-up process includes increasing a start-up motor speed and a start-up motor torque of a motor shaft of an electric motor, converting the start-up motor speed and the start-up motor torque into a start-up output speed and a start-up output torque with a start-up support unit, and closing a lock-up clutch of the start-up support unit.

Abstract: Disclosed is a new air intake system of an engine including a blow-by gas flow line configured to allow blow-by gas to flow into an intake manifold by recirculating the blow-by gas using a pressure difference according to load of the engine, an intake gas supply line configured to allow intake gas to flow therethrough, the intake gas supply line including a throttle valve configured to control an amount of the intake gas and a turbocharger configured to compress the intake gas, a new air supply line branched from the intake gas supply line and connected to the crankcase, the new air supply line allowing new air to selectively flow into the crankcase, and a new air bypass line configured to allow, when a part of the intake gas is selectively bypassed by the pressure difference, the part of the intake gas to flow into the crankcase.

Abstract: An internal combustion engine arrangement includes an internal combustion engine, a catalytic converter, and a controller. The controller is configured to determine a maximum H2 production capacity of the catalytic converter. The catalytic converter is arranged downstream of the internal combustion engine. The controller is configured and adapted to determine the maximum H2 production capacity of the catalytic converter based on a first function that correlates an H2 production of the internal combustion engine with first internal combustion engine parameters.

Abstract: A battery management system with state of power prediction for an accumulator based on a calculated current of the accumulator, a method and a control device are provided. The battery management system for an accumulator is configured and arranged to predict a state of power of the accumulator, the prediction being based on a calculated current of the accumulator.

Abstract: An internal combustion engine arrangement includes an internal combustion engine, a catalytic converter, and a controller. The controller is configured to determine a maximum H2 production capacity of the catalytic converter. The catalytic converter is arranged downstream of the internal combustion engine. The controller is configured and adapted to determine the maximum H2 production capacity of the catalytic converter based on a first function that correlates an H2 production of the internal combustion engine with first internal combustion engine parameters.

Abstract: In a method for determining an optimized fuel injection profile in an internal combustion engine, a setpoint combustion profile is firstly defined. Furthermore, at least one influential parameter which influences the setpoint combustion profile is determined. With the influential parameter, a corrected fuel injection profile is determined in a closed-loop control process. This method is preferably repeated iteratively.

Abstract: A method of ageing a component of an exhaust gas after-treatment system including the steps of combusting fuel to subject the component to a continuous thermal ageing and simultaneously target loading at least certain sections of the component with ash. The method can be used on a test bench.

Abstract: A water-injection system for power plants and for injecting water into a steam system includes a supply unit, a metering unit and an injection unit. The supply unit is configured to make water available to the metering unit. The metering unit is in the form of an electrically actuable system and is configured to meter a quantity of water to be injected into the steam system and to make it provide to the injection unit. The injection unit is configured to introduce the water into the steam system.

Abstract: Testing facility for ageing exhaust gas systems, with a burner (5), a receiving area for receiving at least one catalytic converter (15) and/or a particulate filter (20). An ash-forming component is supplied here to the burner flame.

Abstract: An electric drive train for a pure electrically operated vehicle includes an electric motor with a motor shaft and a start-up support unit mechanically connected to the motor shaft configured to convert a motor speed and a motor torque of the motor shaft into an output speed and an output torque such that the output speed is lower than the motor speed and/or the output torque is higher than the motor torque. Also, a method of operating an electric drive train during a start-up process includes increasing a start-up motor speed and a start-up motor torque of a motor shaft of an electric motor, converting the start-up motor speed and the start-up motor torque into a start-up output speed and a start-up output torque with a start-up support unit, and closing a lock-up clutch of the start-up support unit.

Abstract: The connecting rod head includes at least one oil chamber and an eccentric comprises a protrusion reaching into the oil chamber, so that an oil pressure in the oil chamber exerts a force on the protrusion to change the eccentric setting of the eccentric.

Abstract: The invention relates to a method for monitoring an ammonia slip catalytic converter which is arranged in an exhaust gas after-treatment device of an internal combustion engine, downstream of a catalytic converter arrangement, wherein the method comprises the steps of measuring a nitrogen oxide content in the exhaust gas by means of a sensor upstream of the ammonia slip catalytic converter, detecting a sensor signal of an ammonia-cross-sensitive nitrogen oxide sensor which is arranged downstream of the ammonia slip catalytic converter, and checking whether the ammonia-cross-sensitive nitrogen oxide sensor measures a higher value than the sensor.

Abstract: Exhaust gas treatment system (100) for a motor vehicle, comprising a first catalytic converter (101-1) for selective catalytic reduction; a second catalytic converter (101-2) for selective catalytic reduction; a first nitrogen oxide sensor (103-1) upstream of the first catalytic converter (101-1) for detecting a first nitrogen oxide value (NOx-1); a second nitrogen oxide sensor (103-2) between the first and the second catalytic converter (101-1; 101-2) for detecting a second nitrogen oxide value (NOx-2); a third nitrogen oxide sensor (103-3) downstream of the second catalytic converter (101-2) for detecting a third nitrogen oxide value (NOx-3); an electronic evaluation device (105) for calculating a first efficiency of the first catalytic converter (101-1) on the basis of the first and the second nitrogen oxide value (NOx-1; NOx-2), a second efficiency of the second catalytic converter (101-2) on the basis of the second and the third nitrogen oxide value (NOx-2; NOx-3) and a total efficiency of the exhaust ga

Abstract: An exhaust gas catalyst system that includes at least one exhaust canister including an inlet separated from an outlet with catalytic components positioned between the inlet and outlet. The at least one exhaust canister receives a flow of exhaust gas. The at least one exhaust canister includes a pair of concentric passages formed therein including a central passage and an outer passage. A split flap valve is positioned in the inlet. An actuator is coupled to the split flap valve. A control unit is operably connected to the actuator and selectively moves the split flap valve closing one of the concentric passages and locally heating a portion of the catalytic components.

Abstract: Reciprocating-piston machine (10), in particular a combustion machine, with a variable compression ratio, having an adjustment device for adjusting the compression ratio, having a sensor device for detecting the compression ratio, and having a controller which is designed to repeatedly activate the adjustment device if a deviation and a detected compression ratio and a setpoint compression ratio exists.

Abstract: A correction method of NOx purifying efficiency of SDPF includes: measuring a temperature change per unit time inside the SDPF, determining whether the temperature change per unit time inside the SDPF is below a first predetermined value, determining whether a difference between a maximum value and a minimum value of temperature of respective parts inside the SDPF is below a second predetermined value if the temperature change per unit time inside the SDPF is below the first predetermined value, determining whether a temperature inside the SDPF is in a low temperature region if the difference between the maximum value and the minimum value of temperature of the respective parts inside the SDPF is below the second predetermined value, and performing a low temperature region correction if the temperature inside the SDPF is in the low temperature region.

Abstract: A water-injection system for power plants and for injecting water into a steam system includes a supply unit, a metering unit and an injection unit. The supply unit is configured to make water available to the metering unit. The metering unit is in the form of an electrically actuable system and is configured to meter a quantity of water to be injected into the steam system and to make it provide to the injection unit. The injection unit is configured to introduce the water into the steam system.

Abstract: An exhaust gas purification system, which includes an engine and an exhaust pipe that is connected to an exhaust manifold of the engine, includes: a catalyst converter disposed at a rear side the engine on the exhaust pipe; a selective catalytic reduction on diesel particulate filter (SDPF) disposed at a rear side of the catalyst converter on the exhaust pipe; a reducing agent injector disposed between the catalyst converter and the SDPF on the exhaust pipe and injecting a reducing agent; and a controller controlling an amount of the reducing agent injected from the reducing agent injector.

Abstract: The present invention is related to a method for manufacturing a water cooling system (20) inside a casted cylinder head (10), the water cooling system (20) comprising an upper water jacket (21) and a lower water jacket (22) and wherein a transition channel (23) is located between the upper water jacket (21) and the lower water jacket (22). Further, the invention is related to a water cooling system (20) inside a casted cylinder head (10), comprising an upper water jacket (21) and a lower water jacket (22) wherein the upper water jacket (21) and the lower water jacket (22) are fluidly connected by at least one transition channel (23).

Abstract: Provided is an exhaust purification system that may include: a first catalyst installed on a rear exhaust pipe of an engine; a selective catalytic reduction (SCR) catalyst installed on the rear exhaust pipe of the first catalyst; a reducing agent injector which is installed on an exhaust pipe between the first catalyst and the SCR catalyst and configured to inject a reducing agent; and a controller configured to control an amount of reducing agent injected from the reducing agent injector. /The controller may calculate a total amount of ammonia adsorbed in the SCR catalyst, a required amount of reducing agent based on a total amount of ammonia adsorbed in the SCR catalyst, and the amount of nitrogen oxide introduced into the SCR catalyst, and then control a reducing agent injector to inject the required amount of reducing agent.