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7597092 Internal combustion engine and method for controlling a supercharged internal combustion engine  
The invention relates to n internal combustion engine and method for controlling a supercharged internal combustion engine, wherein a deviation of the actual lambda value from a calculated lambda...
7591258 Exhaust temperature based control strategy for balancing cylinder-to-cylinder fueling variation in a combustion engine  
The present disclosure provides a control strategy for balancing injector-to-injector fueling variations for a combustion engine having multiple combustion chambers (and cylinders), with multiple...
7568477 Control system for an exhaust gas sensor  
An oxygen sensor is mounted in an exhaust path of an internal combustion engine. The status of an exhaust gas is detected in accordance with the output of the oxygen sensor. The oxygen sensor...
7516618 Engine air supply control method which is intended, for example, for the control of a turbocharged engine  
An engine air supply control method relating to a turbocharged engine including an intake manifold ( 20 ) which is disposed downstream of the compressor of the turbocharger ( 14 ) and an exhaust...
7502682 Method for regulating an actual variable of an internal combustion engine  
A method for regulating an actual output variable of an internal combustion engine to a reference variable. A maximum value for the reference variable is generated as a function of at least one...
7497198 System and method for controlling vehicle operation in response to fuel vapor purging  
A hybrid vehicle propulsion system, comprising of an engine having at least one combustion cylinder configured to selectively operate in one of a plurality of combustion modes, wherein a first...
7433777 Engine protection system and method for construction machine  
An engine protection system for a construction machine can individually diagnose the exhaust temperature specific to each cylinder of an engine corresponding to an engine revolution speed in order...
7426433 Method and switch for controlling exhaust gas temperature  
A method for controlling exhaust gas temperature of a combustion engine comprising: setting predefined high and low exhaust temperatures; using at least one sensor to measure exhaust gas...
7412965 Exhaust control system for an internal combustion engine  
An exhaust control system for an internal combustion engine having a plurality of actuators wherein each actuator controls a predetermined engine parameter. A plurality of sensors are also...
7359791 Internal-combustion engine with means for determining the mass of fresh intake air, and associated method of determination  
An internal-combustion engine, comprises at least one cylinder, at least one intake pipe and at least one exhaust pipe associated to the cylinder, at least one intake valve and at least one exhaust...
7337772 Apparatus for and method of controlling temperature of exhaust gas sensor, and recording medium storing program for controlling temperature of exhaust gas sensor  
The temperature of an exhaust gas flowing through an exhaust passage 3 is estimated or detected, and the temperature of an active element of an exhaust gas sensor 8 . (O 2 sensor) is controlled...
7337771 Method and apparatus for the cylinder-specific determination and control of a fuel injection quantity  
In a method and apparatus for the cylinder-specific determination and control of a fuel injection quantity for a multi-cylinder internal combustion engine, the exhaust gas pressures of the...
7302942 Method and device for operating an internal combustion engine  
A method and a device for operating an internal combustion engine make it possible to monitor a temperature sensor or a lambda sensor in an exhaust system of the internal combustion engine for...
7296562 Control system and method for estimating turbocharger performance  
A control system for estimating the performance of a compressor is disclosed. The control system has a compressor fluidly connected to an inlet manifold of a power source. The control system also...
7223946 Method and device for control and diagnosis for the heating of a lambda probe  
A method for controlling and regulating an electrical heating of a probe situated in the exhaust system of an internal combustion engine, a total heating power of the probe being set, and an actual...
7216638 Control of exhaust gas stoichiometry with inducted secondary air flow  
A method for operating a marine engine uses four valves to control the flow of secondary air that is inducted into each of the cylinders of an engine. An oxygen sensor is disposed in an exhaust...
7146972 Exhaust gas sensor activation judgment and air fuel ratio control system/method  
An air fuel ratio control system includes an exhaust gas sensor to sense an oxygen concentration in an exhaust passage of an internal combustion engine, and a controller. The controller is...
7144000 Automatic choke for an engine  
An internal combustion engine including a carburetor. The internal combustion engine includes a choke valve disposed within the carburetor, and a choke lever interconnected with the choke valve for...
RE39373 Hydraulically actuated electronic fuel injection system  
A hydraulically actuated electronically controlled unit injection system comprises a pressure intensifier associated with a hydraulically controlled differential valve (HDV) having a poppet valve...
7066164 Engine, engine exhaust temperature controlling apparatus, and controlling method  
The present invention has been realized in order to keep the cylinder exhaust temperature of a gas engine within a predetermined range, and thereby prevent the generation of misfire and knocking....
7043349 Method and system for inferring exhaust temperature of a variable compression ratio engine  
A method for operating a variable compression ratio internal combustion engine includes the steps of determining a compression ratio operating state of the engine and inferring an exhaust...
7039518 Computer method and apparatus for aircraft mixture leaning  
A computer implemented lean assist function monitors exhaust gas temperature in a plurality of cylinders in an engine along with fuel flow. The lean assist function automatically detects whether...
6988047 Method for determining the instantaneous temperature of a medium  
A method for determining the instantaneous temperature of a medium, the medium surrounding an element able to be electrically heated at least intermittently to a constant, known temperature. It is...
6932055 Engine control system for internal combustion engines  
An engine control system for maintaining the operator-commanded speed setting of an internal combustion engine over a range of engine loads and for easy starting and improved efficiency over a...
6925373 Virtual sensor for the exhaust emissions of an endothermic motor and corresponding injection control system  
The invention relates to a virtual sensor of exhaust emissions from a fuel-injection endothermic engine having a combustion chamber in each of its cylinders, a fuel injector serving each combustion...
6907873 Filter control method and device  
Increase in quantity of particulates during a prescribed time period is acquired as first difference data (DX) that is based on pressure differential ΔP across a filter ( 32 ) and derived from...
6898508 Fuel injection control device  
A fuel injection control device includes an after treatment device for purifying exhaust gas by the action of a catalyst, an exhaust gas temperature detector for detecting the exhaust gas...
6886336 Method for controlling condensate formation in an engine system  
A method for controlling condensation in an engine. A set of signals indicative of an intake manifold temperature, intake manifold pressure, intake air temperature, intake air humidity, engine...
6848419 Wetstacking avoidance in internal combustion engines  
An apparatus and method for reducing or eliminating wetstacking in internal combustion engine systems operating substantially under capacity comprising establishing an exhaust temperature minimum...
6763800 Diagnosing proper operability of a cylinder charge motion control device  
A method for detecting improper operation of a charge motion control device (CMC) based on exhaust temperature is disclosed. It has been found that when the charge motion control device is switched...
6751956 Internal combustion engine having an exhaust-gas turbocharger and method for operating such an internal combustion engine  
Internal combustion engines, which have an exhaust-gas turbocharger that possesses an adjustable turbine geometry, include a waste-gate bypass. When a valve controlling the waste-gate bypass...
6728625 Humidity compensated charge density control for an internal combustion engine  
Apparatus and methods for determining a desired charge density for an engine having an inlet air pathway. A first characteristic indicative of an engine speed of the engine is determined. A second...
6721646 Unmanned aircraft with automatic fuel-to-air mixture adjustment  
A miniature unmanned aircraft which uses remotely controlled model aircraft components and technology, and has on-board automatic “on-the-fly” fuel and air mixture adjustment enabling high...
6681751 Engine with controlled auto-ignition  
A multi-cylinder internal combustion engine is described in which each cylinder is capable of operating within a predetermined auto-ignition torque/speed range. Selected cylinders are disabled when...
6679238 Exhaust gas temperature determination and oxygen sensor heater control  
A method and apparatus determine exhaust gas temperature and control the heater of a heated exhaust gas oxygen sensor. Heater failures are diagnosed based on the level of current flowing through...
6662795 Method and apparatus configured to maintain a desired engine emissions level  
The present invention is configured to maintain a desired emissions level of an engine having an intake manifold and an exhaust manifold, and an exhaust stack is disclosed. The method includes the...
6662760 Method and apparatus for controlling combustion timing in an homogenous-charge compression-ignition engine  
Timing of the combustion event in an homogenous-charge compression-ignition engine is controlled by adjusting the reactivity of the fuel, or of the fuel/air mixture inducted into the combustion...
6651638 System and method for derating an engine to encourage servicing of a vehicle  
In one embodiment of the present invention, a system is disclosed for monitoring the backpressure produced by a particulate filter of an internal combustion engine. When the backpressure of the...
6651623 Method and system for measuring air/fuel ratio in a hydrogen fueled internal combustion engine  
A method and system for computing fuel-to-air ratio for a hydrogen-fueled engine is disclosed. The fuel-to-air ratio is determined based on a signal from an exhaust gas temperature sensor.
6644020 Device and method for regenerating an exhaust gas aftertreatment device  
The invention relates to a method for regenerating a particulate filter in the exhaust system of a diesel engine, an increase in the temperature of the exhaust gases being brought about by...
6642720 Wireless sensor assembly for circumferential monitoring of gas stream properties  
A wireless sensor assembly for circumferential monitoring of gas stream properties comprises a drive system attachable to a hot gas path housing. A rake is movably coupled to the drive system for...
6619261 System for controlling an operating condition of an internal combustion engine  
A system for controlling an operating condition of an internal combustion engine includes a control mechanism responsive to a final control command to establish an engine control parameter, and a...
6578557 Histogram-based enrichment delay  
A method for regulation of an engine of a vehicle by manner of temperature control delays based on a target temperature of a component of the engine. Once enrichment has been triggered, enrichment...
6561166 Purge fuel canister measurement method and system  
An engine controller system for a direct injection spark ignited internal combustion engine that is capable of operating a stratified mode where fuel is injected during a compression stroke of the...
6557539 Process for controlling an internal combustion engine with turbocharger and exhaust gas temperature regulation  
A process for controlling an internal combustion engine having a regulated turbocharger and integrated exhaust gas temperature is provided. The maximum cylinder filling capacity (rlmax) is taken...
6550464 System for controlling engine exhaust temperature  
A system is provided for limiting engine exhaust temperature to a maximum temperature limit. The system is operable to limit either a first or a second fueling parameter in accordance with an...
6543397 Limitation of controllable operating parameters in an engine  
The invention relates to a method for limitation of at least one controllable operating parameter that can cause ageing of at least one component or one material in connection with an engine. The...
6508242 System for estimating engine exhaust temperature  
A system is provided for estimating engine exhaust temperature in accordance with an exhaust temperature model based on a number of engine operating parameters. In one embodiment, the engine...
6467472 System and method for improved sensing of exhaust pressure  
An exhaust pressure sensing system and method for an internal combustion engine. The system includes a pressure sensor positioned to sense exhaust pressure of an internal combustion engine. An...
6457466 Method and system for enhanced engine control based on exhaust temperature  
A method is provided for controlling an engine of a system having an exhaust system connected to the engine, and the exhaust system includes an exhaust gas cooler. The method includes sensing...
Matches 1 - 50 out of 204 1 2 3 4 5 >