Abstract: Embodiments relate to an exhaust gas after-treatment device with an exhaust line having an inlet for discharging the exhaust gas and a thermal reactor, which is arranged in the exhaust line and has a first, thermal reaction zone for the exhaust gas flow, where a mixing device is provided for admixing a reducing agent to the exhaust gas flow in the exhaust line, which is arranged between the inlet and the thermal reactor and where the thermal reactor has at least one second reaction zone for a catalytic reaction in the exhaust gas flow with the involvement of the reducing agent.

Abstract: A method for a knock control for an internal combustion engine with at least one cylinder, which is assigned to at least one intake valve, when knocking occurs in at least one cylinder by actuation of the intake valve associated with the cylinder detected as knocking, in such a way that the temperature of the charge of the cylinder detected as knocking is reduced, the knocking in the cylinder is reduced, on actuating the intake valve associated with the cylinder detected as knocking, a cylinder-specific and/or a global measure for power compensation of the internal combustion engine is performed.

Abstract: A method for establishing a permitted maximum differential pressure of an air filter arranged in an intake tract of an internal combustion engine is provided. The method includes determining a control reserve of the internal combustion engine and establishing the maximum permissible differential pressure of the air filter as a function of the determined control reserve.

Abstract: A tangible, non-transitory computer readable medium includes computer instructions stored thereon, the computer instructions, when executed by a processor, cause the processor to retrieve model inputs indicative of mechanical systems data, economic data, contractual data, regulatory data, or any combination thereof, associated with at least one compression system. Furthermore, the instructions cause the processor to retrieve a model that derives an operation schedule for the at least one compression system based on the model inputs. Then the instructions cause the processor to derive an operation schedule for the at least one compression system based on the model inputs and the model, and apply the operation schedule to the at least one gas compression system.

Abstract: Provided is an internal combustion engine, comprising at least one cooling device for cooling at least one operational liquid of the internal combustion engine during and/or after operation of the internal combustion engine. The at least one cooling device has at least one heat exchanger and lines for transporting the at least one operational liquid to and from the at least one heat exchanger. The heat exchanger exchanges heat with a cooling medium, which cooling medium has during the operation of the internal combustion engine a lower temperature than the at least one operational liquid of the internal combustion engine. Heat is exchanged by the heat exchanger between the at least one operational liquid and the cooling medium, which cooling medium has before and/or during a starting operation of the internal combustion engine a higher temperature than the at least one operational liquid of the internal combustion engine.

Abstract: Internal combustion engine with at least one turbocharger having a compressor, a bypass valve by means of which the compressor can be bypassed by at least a partial flow of a fuel mixture provided for the combustion, and a control or regulating unit connected to the bypass valve for regulating or controlling a degree of opening of the bypass valve, whereby the control or regulating unit is designed to open and/or at least partially keep open the bypass valve when starting the internal combustion engine.

Abstract: In one embodiment, a system includes an engine control system configured to control an engine. The engine control system comprises a processor configured to receive a vibration signal sensed by a knock sensor disposed in an engine. The processor is further configured to correlate the vibration signal with a fingerprint having at least an ADSR envelope indicative of the operating event of a valve train of the combustion engine, analyze the vibration signal with a statistical valve train model, or a combination thereof. The processor is also configured to detect if the operating event has occurred based on correlating of the noise signal with the fingerprint, based on analyzing the vibration signal with a statistical valve train model, or a combination thereof, and to control the valve train based on the operating event.

Abstract: Oil supply system for an internal combustion engine, whereby an internal oil pan is arranged in the internal combustion engine, whereby the oil supply system has an additional external oil reservoir which is arranged outside the internal combustion engine compared to the internal oil pan of the internal combustion engine, whereby a supply line to be connected to the internal combustion engine is provided, which leads to a filling opening of the oil reservoir, and whereby a return line to be connected to the internal combustion engine is provided, through which oil can be returned from the oil reservoir to the internal combustion engine, whereby the return line is connected to the oil reservoir and whereby the oil reservoir has at least one oil tank, whereby a removal opening of the return line is arranged near or in the base of the at least one oil tank.

Abstract: An internal combustion engine, in particular a gas Otto-cycle engine, is provided. The internal combustion engine comprises a plurality of cylinders. Each cylinder is provided with a pre-chamber, and a pre-chamber gas supply conduit through which the pre-chamber can be supplied with fuel gas. The fuel gas is supplied to the pre-chambers by way of a pre-chamber gas valve associated with the respective pre-chamber. Also, an aperture is arranged between the pre-chamber gas supply conduit and the pre-chamber gas valve. At least one aperture associated with a pre-chamber gas valve has a through-flow coefficient such that pressure occurring at a maximum between combustion cycles in a volume between the pre-chamber gas valve and the aperture does not reach a pressure prevailing in the pre-chamber gas supply conduit.

Abstract: An electric rotating machine having a stator and a rotor, wherein the rotor is provided with rotor windings connected to electric contacts to carry a field current. A control device is provided to adjust the field current carried by the rotor windings. At least one sensor is provided to give information about the temperature at the location of the at least one sensor. The at least one sensor is located on or embedded in the rotor windings, and the at least one sensor is connected to the control device such that the control device is able to read the information given by the at least one sensor. The control device is further arranged to adjust the field current carried by the rotor windings and/or power output or power input of the electric rotating machine based on the information given by the at least one sensor.

Abstract: Internal combustion engine with a regulating device and at least one ignition device for igniting a fuel-air mixture in a piston/cylinder unit, whereby on the outlet side of the piston-cylinder unit, a turbocharger and a wastegate are provided, whereby via the wastegate an exhaust-gas turbine of the turbocharger can be flowed through, and whereby the exhaust-gas turbine drives a compressor arranged on the intake side of the piston-cylinder unit, whereby the regulating device, on detecting a predefined triggering condition, performs an adjustment of the ignition time and the opening degree of the wastegate, such that that the overall efficiency of the internal combustion engine is optimized, whereby the ignition time of the ignition device is brought by the regulating device to the optimal overall efficiency, and the opening degree of the wastegate is changed to provide the required output power of the internal combustion engine.

Abstract: Dual-fuel internal combustion engine with at least two combustion chambers which have a different distance from at least one gas mixer for producing a gas-air mixture, whereby an inlet valve for the gas-air mixture and an injector for liquid fuel is assigned to each of the combustion chambers, and a control device is provided which is configured in a change-over mode to change an amount of energy supplied to the at least two combustion chambers through the gas-air mixture in a first direction, and to change an amount of liquid fuel supplied to the at least two combustion chambers in an opposite, second direction, whereby the control device is designed to determine a time for the change of the amount of liquid fuel in the second direction for each of the at least two combustion chambers according to the distance of the respective combustion chamber from the at least one gas mixer.

Abstract: A cylinder liner for an internal combustion engine, with a collar, whereby the cylinder liner, on its lateral surface, is provided with a protruding flow-guiding device axially spaced from the collar, having at least one axial opening.

Abstract: A genset including at least one generator for generating electrical energy, which can be driven by a drive device is provided. Also provided is a detection device for detection of the presence of a grid fault in at least one phase of the power grid, a device for determining an operating state of the generator immediately before or upon detection of a grid fault, and a regulating device, to which the signals of the detection device and the device for determining an operating state of the generator can be fed. The regulating device is designed upon detection of a grid fault to reduce the power of the drive device in dependence of that operating state of the generator, which has been determined immediately before or upon detection of the grid fault.

Abstract: An internal combustion engine is provided. The internal combustion engine includes a control device, and at least one injector for liquid fuel that includes a discharge opening for the liquid fuel. The at least one injector is connected to a collection volume by means of a line for liquid fuel. Liquid fuel can flow through the line for liquid fuel from the at least one injector to the collection volume. A control element that can be adjusted by the control device via a control signal is also provided. Via the control element, a back pressure in the line for liquid fuel can be adjusted in order to adjust an amount of liquid fuel discharged through the discharge opening of the at least one injector. Also provided is a method for operating an internal combustion engine and an injector.

Abstract: A method for operating a spark ignited engine, including forming a combustible mixture by mixing generally homogeneously a first fuel and air and introducing this mixture into the at least one cylinder in an intake stroke, and compressing the combustible mixture with a piston in a compression stroke thereby introducing a part of the combustible mixture into a pre-chamber. During the intake and/or the compression stroke, a second fuel is introduced into the pre-chamber at an introduction-time before start of combustion, and the second fuel is of the same or different chemical composition and/or concentration with respect to the first fuel, and a spark ignites in the prechamber. An amount of second fuel and/or the chemical composition of second fuel introduced to the pre-chamber and/or spark timing of the pre-chamber and/or an in-cylinder charge temperature is chosen such that a desired duration of combustion can be achieved.

Abstract: A method for detecting the quantity of gas (m) supplied by a gas supply device to an antechamber of an internal combustion engine. The method includes causing a targeted disturbance (?u) of the gas quantity (m) supplied by the gas supply device, and measuring a change (?T) resulting from the target disturbance (?u) in an exhaust gas temperature (T) of an exhaust gas generated in a combustion chamber connected to the antechamber. The method includes comparing the change (?T) with a target value of the change (?Ttarget) of the exhaust gas temperature (T) to obtain a comparison, and deducing the gas quantity (m) supplied by the gas supply based on the comparison.

Abstract: A method of operating an arrangement includes using a rotating drive machine, wherein a value characteristic of a change of a power output of the arrangement is provided by measuring at least one parameter and/or calculation. The rotating drive machine is open and/or closed loop controlled depending on the value characteristic of the change of the power output of the arrangement and/or a load of the rotating drive machine is changed depending on the value characteristic of the change of the power output of the arrangement, such that the change of the power output of the arrangement is substantially compensated.

Abstract: An arrangement with a synchronous generator for the conversion of mechanical power into electrical power, with a predetermined number of pole pairs, an asynchronous machine, with a pronounced rotor winding, which is mechanically coupled to a rotor of the synchronous generator and has a number of pole pairs at least 1 greater than the synchronous generator.