Abstract: A system comprising a distribution grid (2) for a fuel, combustion engines (3), which are coupled with the distribution grid (2) and are configured to combust the fuel, and a computer system (4) comprising data connections (5) to the combustion engines (3) and a data storage device (6), wherein the computer system (4) is configured to receive engine operation parameters stemming from an operation of the combustion engines (3) at a first time and/or during a first time period via the data connections (5) and geographical data of the combustion engines (3) are stored in the data storage device (6), wherein the computer system (4) has a processor (7) which is configured to compute a prediction for at least one characteristic parameter of the fuel at a second time and/or during a second time period later than the first time and/or the first time period and with respect to a geographical location, and the computation of the prediction being based on the geographical data and the engine operation parameters of t

Abstract: A system comprising a distribution grid (2) for a fuel, combustion engines (3), which are coupled with the distribution grid (2) and are configured to combust the fuel, and a computer system (4) comprising data connections (5) to the combustion engines (3) and a data storage device (6), wherein the computer system (4) is configured to receive engine operation parameters stemming from an operation of the combustion engines (3) at a first time and/or during a first time period via the data connections (5) and geographical data of the combustion engines (3) are stored in the data storage device (6), wherein the computer system (4) has a processor (7) which is configured to compute a prediction for at least one characteristic parameter of the fuel at a second time and/or during a second time period later than the first time and/or the first time period and with respect to a geographical location, and the computation of the prediction being based on the geographical data and the engine operation parameters of the

Abstract: A method of regulating an internal combustion engine having a plurality of cylinders is provided, wherein each of the individual cylinders can be deactivated in accordance with a predeterminable pattern depending on a required power output, wherein the predeterminable pattern comprises a time sequence of commands for ignition and commands for skipping ignition, and wherein the predeterminable pattern is derived with a calculation specification in such a way that spacing between the individual cylinders intended for skipping in relation to a firing order is an odd number and is preferably in coprime relationship with the number of cylinders.

Abstract: A method of operating an internal combustion engine, in particular a gas engine, comprising at least one combustion chamber to which a charge air is fed with a variable charge pressure and/or a variable amount of charge air, wherein a cylinder pressure value is ascertained from at least one measurement value of a sensor arranged in the at least one combustion chamber, wherein the cylinder pressure value is regulated by altering the charge pressure and/or by altering the amount of charge air as a setting value or values to a cylinder pressure target value, wherein the cylinder pressure target value is selected in dependence on a power of the internal combustion engine.

Abstract: An internal combustion engine (1) having a regulating device (C) wherein an air-fuel mixture with a combustion air ratio (?) which is adjustable by the regulating device is burnt in the internal combustion engine, wherein the regulating device (C) has a power output regulating circuit adapted to adapt an actual output (Pg) of the internal combustion engine (1) to a reference power output (Pdg) of the internal combustion engine (1) by way of an adjustment of the combustion air ratio (?), and a NOx emission regulating circuit adapted by way of a functional relationship (2) to actuate actuators influencing a charge pressure as an alternative parameter for the NOx emission by the charge pressure such that a charge pressure reference value (pdim) can be set for each reference power output (Pdg) of the internal combustion engine.

Abstract: A method for operating an internal combustion engine, in particular a gas engine having at least two cylinders, includes acquiring a cylinder-specific first cylinder signal (pmax, E) from each cylinder. At least one combustion parameter (Q, Z) of the corresponding cylinder is controlled as a function of the first cylinder signal (pmax, E), and a cylinder-specific reference cylinder value (pmax?, E?) is set for the first cylinder signal (pmax, E) for each cylinder. The at least one combustion parameter (Q, Z) of the cylinder is adjusted as a function of the deviation of the first cylinder signal (pmax, E) from the reference cylinder value (pmax?, E?), and the first cylinder signal (pmax, E) tracks the reference cylinder value (pmax?, E?).

Abstract: A method of starting an internal combustion engine operated with a fuel-air mixture, in particular a stationary gas engine, wherein fed to the internal combustion engine as part of the fuel-air mixture is a fuel volume flow which is ascertained having regard to at least one parameter which is characteristic of the energy content of the fuel-air mixture, wherein the internal combustion engine is driven by a starter device until the internal combustion engine continues to run of its own accord, wherein the fuel volume flow fed to the internal combustion engine is varied by a variation in the at least one parameter which is characteristic of the energy content of the fuel-air mixture until the internal combustion engine continues to run of its own accord.

Abstract: A method for operating an internal combustion engine, in particular a gas engine, having at least three cylinders, wherein a cylinder-specific signal (pmax, E) is acquired from each of the at least three cylinders, wherein a reference value (pmedian, Emedian) is generated from the cylinder-specific signals (pmax, E), wherein at least one combustion parameter (Q, Z) of one of the at least three cylinders is controlled as a function of a deviation of the cylinder-specific signal of the one of the at least three cylinders (pmax, E) from the reference value (pmedian, Emedian), whereupon the cylinder-specific signal of the one of the at least three cylinders (pmax, E) follows the reference value (pmedian, Emedian), wherein a median of the cylinder-specific signals (pmax, E) is generated as the reference value (pmedian, Emedian).

Abstract: An internal combustion engine (1) having a regulating device (C) wherein an air-fuel mixture with a combustion air ratio which is adjustable by the regulating device is burnt in the internal combustion engine, wherein the regulating device (C) has: an power output regulating circuit adapted to adapt an actual output (Pg) of the internal combustion engine (1) to a reference power output (Pdg) of the internal combustion engine (1) by way of an adjustment of the lambda value (?), and an NOx emission regulating circuit adapted by way of a functional relationship (2) to actuate actuators influencing the charge pressure as an alternative parameter for the NOx emission by the charge pressure in such a way that a charge pressure reference value (pdim) can be set for each reference power output (Pdg) of the internal combustion engine.

Abstract: A method of regulating an internal combustion engine (1) having more than one cylinder (2), wherein individual cylinders (2) can be deactivated in accordance with a predeterminable pattern in dependence on the required power output, wherein the pattern comprises a time sequence of commands for ignition and commands for skipping ignition, wherein the pattern is derived with a calculation specification in such a way that the spacing between cylinders (2) intended for skipping in relation to the firing order is an odd number and preferably in coprime relationship with the number of cylinders.

Abstract: A method of operating an internal combustion engine, in particular a gas engine, comprising at least one combustion chamber to which a charge air is fed with a variable charge pressure and/or a variable amount of charge air, wherein a cylinder pressure value is ascertained from at least one measurement value of a sensor arranged in the at least one combustion chamber, wherein the cylinder pressure value is regulated by altering the charge pressure and/or by altering the amount of charge air as a setting value or values to a cylinder pressure target value, wherein the cylinder pressure target value is selected in dependence on a power of the internal combustion engine.

Abstract: A method for operating an internal combustion engine, in particular a gas engine having at least two cylinders, includes acquiring a cylinder-specific first cylinder signal (pmax, E) from each cylinder. At least one combustion parameter (Q, Z) of the corresponding cylinder is controlled as a function of the first cylinder signal (pmax, E), and a cylinder-specific reference cylinder value (pmax?, E?) is set for the first cylinder signal (pmax, E) for each cylinder. The at least one combustion parameter (Q, Z) of the cylinder is adjusted as a function of the deviation of the first cylinder signal (pmax, E) from the reference cylinder value (pmax?, E?), and the first cylinder signal (pmax, E) tracks the reference cylinder value (pmax?, E?).

Abstract: A method for operating an internal combustion engine, in particular a gas engine having at least three cylinders, includes acquiring a cylinder-specific signal (pmax, E) from each cylinder. A reference value (pmedian, Emedian) is generated from the signals (pmax, E) from the cylinders, and at least one combustion parameter (Q, Z) of the corresponding cylinder is controlled as a function of the deviation of a signal (pmax, E) from the reference value (pmedian, Emedian). The signal (pmax, E) tracks the reference value (pmedian, Emedian), and the median of the signals (pmax, E) is generated as the reference value (pmedian, Emedian).