General Electric Company

Innio Jenbacher Gmbh & Co Og

Ge Jenbacher Gmbh Co Og

Herbert Kopecek

Nikolaus Spyra

Gabor Ast

Thomas Johannes Frey

Pierre Sebastien Huck

Michael Waldhart

Sebastian Walter Freund

Herbert Schaumberger

Johannes Huber

Rogier Sebastiaan Blom

Michael Adam Bartlett

Sharath Sridhar Aramanekoppa

Michael Bernhard Schmitz

Georg Arnold

Steven Clayton Vise

Christof Martin Sihler

Shai Birmaher

Craig Douglas Young

Nirm Velumylum Nirmalan

Gary L Leonard

Matthew Alexander Lehar

Josef Thalhauser

Michal-Wolfgang Waszak

Siegfried Silber

Wolfgang Amrhein

Richard Wade Stickles

Rudolf Scheidl

Chukwueloka Obiora Umeh

Simone Pratesi

Erich Kruckenhauser

Michael Url

Johann Hirzinger-Unterrainer

Helge Burghard Herwig Klockow

Georgios Bikas

Mark Patrick Kelsey

Franco Graziani

Sara Rocci Denis

Markus Kröll

Andreas Birgel

Johann Hirzinger

Michael Perktold

Simon Schoewel

Paolo Battagli

Francesco Grillo

Christian Barth

Mario Rainer

Hang Lu

Moritz Froehlich

Jose Gomez

Stefan Schiestl

Thomas Weitzer

Günther Wall

Moritz Frohlich

Klaus Zoeggeler

Klaus Zoggeler

Markus Kroell

Johannes Eckstein

Bart Jan Olmi

Thomas Feichtner

Bernhard Karl Steiner

Markus Wasserer

Peter Schaeffert

Oliver Baptista

Erwin Amplatz

Markus Kroll

Michaeal Waldhart

Klaus ZÖGGELER

Moritz FRÖHLICH

Josè Gomez

Erich Kruckenhausser

An internal combustion engine, with an engine regulating device and an exhaust gas aftertreatment device with an SCR catalytic converter for the reduction of at least one NOcomponent, and with a catalytic converter regulating device, wherein the engine regulating device is prescribed a target value for an NOmean value of the NOcomponent of the exhaust gases, which mean value results at an outlet point of the exhaust gas aftertreatment device in relation to a predefinable time period, and the engine regulating device is configured at least in one operating mode to continuously calculate an NOreference value for the catalytic converter regulating device with consideration of Nocomponents which have already been emitted and the predefined target value, which reference value is selected in such a way that the predefined target value results at the outlet point of the exhaust gas aftertreatment device at the end of the predefinable time period when the calculated NOreference value of the catalytic converter regulating device is fed as NOsetpoint value to the regulating means.

Internal combustion engine with exhaust gas aftertreatment and control of the nitrogen oxide emissions

System for predicting at least one characteristic parameter of a fuel

Method for operating a power plant for generating energy, comprising at least one stationary internal combustion engine () and a district heating system () connected to the at least one internal combustion engine () in a heat exchange relationship,

Power plant and method for operating a power plant

An internal combustion engine (), with an engine regulating device () and an exhaust gas aftertreatment device () with an SCR catalytic converter () for the reduction of at least one NOcomponent, and with a catalytic converter regulating device (), wherein the engine regulating device () is prescribed a target value for an NOmean value of the NOcomponent of the exhaust gases, which mean value results at an outlet point () of the exhaust gas aftertreatment device () in relation to a predefinable time period, and the engine regulating device () is configured at least in one operating mode to continuously calculate an NOreference value for the catalytic converter regulating device () with consideration of Nocomponents which have already been emitted and the predefined target value, which reference value is selected in such a way that the predefined target value results at the outlet point of the exhaust gas aftertreatment device () at the end of the predefinable time period when the calculated NOreference value of the catalytic converter regulating device () is fed as NOsetpoint value to the regulating means.

A method for transmitting the cylinder pressure data of a plurality of cylinder pressure sensors to a central processing unit, characterized by the use of a communication system for isochronous data transmission comprising a data bus, whereby the plurality of cylinder pressure sensors and the central processing unit are connected via the data bus, whereby each of the plurality of cylinder pressure sensors are combined with a data acquisition unit and a data communication unit to form a measurement node, whereby the cylinder pressure data is transmitted from the measurement node to the central processing unit via a time-slot method.

Data acquisition method

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.

Internal combustion engine with a regulating device

A method of controlling an internal combustion engine having a plurality of cylinders, in particular a stationary internal combustion engine, wherein actuators of the internal combustion engine are actuable in crank angle-dependent relationship and/or sensor signals of the internal combustion engine can be ascertained in crank angle-dependent relationship,

Method for controlling an internal combustion engine

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.

Method of regulating an internal combustion engine including omission of cylinder firings

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.

Method of operating an internal combustion engine

An internal combustion engine () having a regulating device (C) wherein an air-fuel mixture with a combustion air ratio (&#x3bb;) 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 (P) of the internal combustion engine () to a reference power output (P) of the internal combustion engine () by way of an adjustment of the combustion air ratio (&#x3bb;), and a NOx emission regulating circuit adapted by way of a functional relationship () 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 (p) can be set for each reference power output (P) of the internal combustion engine.

Internal combustion engine having a regulating device

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 (p, 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 (p, E), and a cylinder-specific reference cylinder value (p', E&#x2032;) is set for the first cylinder signal (p, 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 (p, E) from the reference cylinder value (p&#x2032;, E&#x2032;), and the first cylinder signal (p, E) tracks the reference cylinder value (p&#x2032;, E&#x2032;).

Method for operating an internal combustion engine

A method for estimating pressures at a gas engine using a real-time model-based observer is implemented by a pressure estimation computing device. The method includes receiving a design schema describing an intake manifold and a plurality of components associated with the gas engine, segmenting the design schema into a plurality of segments defining a plurality of sections of the gas engine, defining a fluid dynamics model associated with each of the plurality of segments, defining a plurality of interconnected elements based on the plurality of fluid dynamics models, receiving at least one pressure measurement from at least one of a plurality of sensors associated with each of the sections of the gas engine, estimating a plurality of pressure values at each section of the gas engine, and controlling fuel injection to at least one gas cylinder based on the estimated plurality of pressure values.

Systems and methods for in-cylinder pressure estimation using pressure wave modeling

A method involves operating an internal combustion engine connected to an electric generator, in particular a synchronous generator, during a network fault, in particular during an electric short-circuit, in a power supply network connected to the generator. A mechanical power delivered by the internal combustion engine is introduced into the generator and converted into electric power in the generator. The electric power is delivered to the power supply network, and the mechanical power delivered by the internal combustion engine is at least temporarily increased depending on the value of at least one operating parameter of the generator and/or the internal combustion engine prior to the network fault and/or during the network fault, preferably by an amount of a fuel introduced into the internal combustion engine being increased.

Method of operating an internal combustion engine connected to an electric generator

An internal combustion engine comprising: a plurality of cylinders in which combustion chambers are provided, wherein an ignition device and/or a fuel introduction device is associated with each combustion chamber, wherein the combustion chambers are adapted for cyclic ignition of fuel, an open-loop or closed-loop control device for actuation or closed-loop control of the ignition devices and/or fuel introduction devices, and at least one measuring device for detecting a temperature which is characteristic for each cylinder, wherein the open-loop or closed-loop control device is adapted for actuation or closed-loop control of the ignition devices or the fuel introduction devices in dependence on the signals of the at least one measuring device so that no ignition takes place in at least one selected cylinder during at least one cycle and that an even temperature distribution over all cylinders is achieved.

Internal combustion engine

A method for detecting errors in a sensor at a gas cylinder is implemented by a pressure estimation computing device including a processor and a memory device coupled to the processor. The method includes receiving a first pressure measurement from a first sensor associated with a gas cylinder, receiving a design schema describing an intake manifold, the intake manifold included within the gas engine, segmenting the design schema into a plurality of segments, defining a fluid dynamics model associated with each of the plurality of segments, defining a plurality of interconnected 2-port elements based on the plurality of fluid dynamics models, estimating a second pressure measurement for the gas cylinder based on the plurality of interconnected 2-port elements, comparing the first pressure measurement to the second pressure measurement, and determining that the first sensor is in an anomalous state.

Systems and methods for detecting anomalies at in-cylinder pressure sensors

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Schwaz, Austria

Herbert Kopecek