Procedure and control unit for operating a self-igniting Otto engine

Active Wide-band Air Fuel Ratio Indicator

METHOD AND DEVICE FOR DETERMINING THE COMPOSITION OF A FUEL MIXTURE

Method and device for operating an internal combustion engine

Method for diagnosing additional valves

Abnormality detection apparatus and abnormality detection method for air/fuel ratio sensor

Abnormality detection apparatus and abnormality detection method for air/fuel ratio sensor

EXHAUST PURIFICATION DEVICE FOR INTERNAL COMBUSTION ENGINE

Fault analysis method for a lambda probe

Diagnostic Method For An Internal Combustion Engine Through Analysis Of Its Exhaust Gases And A Device For Implementing Same

Calibration scheme for an exhaust gas sensor

Humidity detection via an exhaust gas sensor

Internal combustion engine air-fuel ratio control apparatus and method

Detection of cylinder-to-cylinder air/fuel imbalance

Method for calibrating a lambda sensor and internal combustion engine

AIR-FUEL RATIO CONTROL APPARATUS AND AIR-FUEL RATIO CONTROL METHOD FOR INTERNAL COMBUSTION ENGINE

Air-fuel ratio control device and air-fuel ratio control method for internal combustion engine

Diagnostic method and device for operating an internal combustion engine

AIR-FUEL RATIO CONTROL DEVICE OF INTERNAL COMBUSTION ENGINE

Method and apparatus for controlling an engine capable of operating on more than one type of fuel

Method for detecting faults in the air system of internal combustion engines

Internal-combustion-engine control apparatus

Method and device for operating an internal combustion engine

Degradation determination apparatus and degradation determination system for oxygen concentration sensor

Air/fuel imbalance monitor using an oxygen sensor

Diagnostic method and device for operating an internal combustion engine

Apparatus and method for detecting abnormality of inter-cylinder air-fuel ratio dispersion in multi-cylinder internal combustion engine

Exhaust gas purifying apparatus for internal combustion engine

Method for adapting variations in cylinder-selective injection quantities of a direct injection system and method for cylinder-selectively controlling injection

REACTIVE SPUTTERING METHOD

Gas sensor

Apparatus for diagnosing exhaust gas purifying device

Air-fuel-ratio control apparatus for internal combustion engine

Sensor control device and air fuel ratio detecting apparatus

Dual mode oxygen sensor

Diagnostic method and apparatus for gas sensor

Method for determining a gas concentration in a measuring gas by means of a gas sensor

Gas Sensor, Fuel Supply System Using the Same, and Method of Using Gas Sensor

Filter clogging determination apparatus for diesel engine

Exhaust gas purification device for an engine

Fuel injection control device for internal combustion engine

Deterioration diagnosis system for an air-fuel ratio sensor

Control strategy for lean NOx trap regeneration

Method and device for operating an internal combustion engine

Diagnostic method and control apparatus for gas sensor

Diagnostic method and apparatus for gas sensor

Deterioration-determination apparatus for exhaust gas purifying system

Internal combustion engine and method for controlling a supercharged internal combustion engine

Exhaust emission control device and method for internal combustion engine, and engine control unit

Air-fuel ratio control apparatus

Mass air flow sensor signal compensation system

Air-fuel ratio control system of internal combustion engine

Device and method for determining an adjustable variable of an internal combustion engine regulator

Diagnostic apparatus for internal combustion engine

Cylinder air-fuel ratio controller for internal combustion engine

Diagnostic device and method of engine exhaust purifying system

Low-fuel consumption and low pollution combustion system for supplying vehicle engine with mixture of fuel and oxygen

Diagnosis apparatus for internal combustion engine

Method for detecting a cylinder-specific air/fuel ratio in an internal combustion engine

Air-fuel ratio control system for internal combustion engine

Deterioration detecting apparatus for catalyst

Deterioration detecting apparatus for catalyst

Methods of controlling reductant addition

Engine controller

Controlled air-fuel ratio modulation during catalyst warm up based on universal exhaust gas oxygen sensor input

Fuel reforming estimation in HCCI engines

Method for adapting the detection of a measuring signal of a waste gas probe

Engine monitoring and performance control system

Method and device for operating an internal combustion engine

Method and apparatus for controlling stationary gaseous-fueled internal combustion engines

Controller and control method for internal combustion engine

Exhaust system for an internal combustion engine

Method and device for controlling an internal combustion engine

Robust maximum engine torque estimation

DPF regeneration monitoring method

Apparatus for controlling engine

Air-fuel ratio sensor monitor, air-fuel ratio detector, and air-fuel ratio control

Gas concentration measuring apparatus designed to establish quick determination of degree of activation of gas sensor

Control apparatus of engine

Method and control device for diagnosing a charge cycle valve stroke adjusting system of an internal-combustion engine

Control device, control method, control unit, and engine control unit

Method and apparatus for soot filter catalyst temperature control with oxygen flow constraint

Method and device for comprehensive characterization and monitoring of exhaust gas and control of engines, and components for aftertreatment of exhaust gases

Method of feedforward controlling a multi-cylinder internal combustion engine and associated feedforward fuel injection control system

Method of controlling elements used to execute elementary functions of an internal combustion engine

Engine control equipment

Diagnosis apparatus for internal combustion engine

Method for controlling an internal combustion engine for regenerating exhaust gas purifying means and device therefor

Method for operating an internal combustion engine and device for implementing the method

Method and apparatus for diagnosing an abnormality of a gas-concentration measuring apparatus

Apparatus for controlling engine

Method to improve fuel economy in lean burn engines with variable-displacement-like characteristics

Air-fuel ratio feedback control apparatus for engines

Method and device for controlling the functioning of a nitrogen oxide trap for an internal combustion engine running on a lean mixture

Method and device for monitoring a control unit of an internal combustion engine

Apparatus and methods for closed loop fuel control

Method for operating an internal combustion engine

Control device for supercharged engine

Air/fuel ratio control system for automotive vehicle using feedback control

Method of regulating an internal combustion engine

Fuel properties estimation for internal combustion engine

Air-fuel ratio control device for internal combustion engine

Method and device for adjustment of a fuel/air ratio for an internal combustion engine

Engine system with mixed exhaust gas oxygen sensor types

Engine control system with mixed exhaust gas oxygen sensor types

Method and device for controlling the exhaust gas recirculation in an internal-combustion engine based on the measurement of the oxygen concentration in the gaseous mixture taken in by the engine

On-line catalyst monitoring using a Kalman filter

Diagnostic device and method of engine exhaust purifying system

Method for adjusting a defined oxygen concentration by means of binary lambda regulation in order to diagnose an exhaust gas catalyst

Apparatus and method for controlling fuel injection in internal combustion engine

Control strategy for lean NOx trap regeneration

Air-fuel ratio control device of internal combustion engine

Method and device for controlling an internal combustion engine

Circuit configuration for operating a linear exhaust-gas probe

Valve timing correction control apparatus and method for an internal combustion engine

Deterioration diagnosing device and diagnosing method for exhaust gas purification catalyst

System for assisting regenerating depollution means integrated in an exhaust system of an engine

Engine controller

Leakage detecting apparatus for an exhaust gas re-circulating system of an engine

Deterioration diagnostic device for an exhaust gas purifier

Dual mode oxygen sensor

Control device of internal combustion engine

Engine control equipment

Lean idle speed control using fuel and ignition timing

Diagnostic system for monitoring catalyst performance

Overall scheduling of a lean burn engine system

Air-fuel ratio control system and method for an internal combustion engine, and engine control unit

Air-fuel ratio controller for internal-combustion engine

Control apparatus for controlling the amount of intake air into an engine

Diagnostic apparatus for an exhaust gas sensor

Air-fuel ratio sensor monitor, air-fuel ratio detector, and air-fuel ratio control

Engine control apparatus

Air-fuel ratio computing apparatus

Wide band lambda probe having improved starting behaviour

Reactive sputtering method

Cylinder-by-cylinder air-fuel ratio calculation apparatus for multi-cylinder internal combustion engine

Spark ignition engine control device

Engine fuel injection control apparatus

Air-fuel ratio control device for internal-combustion engine

Method for checking an exhaust gas cleaning plant

Oxygen sensor adaptive impedance control