Match Document Document Title
US20110072788 GASOLINE PARTICULATE FILTER REGENERATION AND DIAGNOSTICS  
A method for operating a spark-ignition engine having a three-way catalyst and a particulate filter downstream thereof, comprising: oscillating an exhaust air-fuel ratio entering the particulate...
US20110139050 AGRICULTURAL EXHAUST CONDITIONING SYSTEM  
An exhaust conditioning system for use with a tractor towing an air seeding implement comprises an exhaust duct arranged to communicate exhaust emissions from the engine of the tractor to the seed...
US20110214414 ELECTRICALLY HEATED PARTICULATE FILTER ENHANCED IGNITION STRATEGY  
An exhaust system that processes exhaust generated by an engine is provided. The system generally includes a particulate filter (PF) that filters particulates from the exhaust wherein an upstream...
US20120304625 EXHAUST DEVICE OF OUTBOARD MOTOR  
A water jacket is attached to an exhaust manifold connected to an exhaust port to annularly cover an outer side of an exhaust channel in the exhaust manifold. An engine cooling coolant is made to...
US20140090363 HEATER CONTROL DEVICE OF OXYGEN CONCENTRATION SENSOR  
A heater control device of an oxygen concentration sensor is provided in which even in a case where an internal combustion engine is automatically stopped by idle stop control after cold start-up,...
US20110296817 ADAPTIVE OXYGEN SENSOR METHODS, SYSTEMS, AND SOFTWARE  
One embodiment is a system operable to control entry of an oxygen sensor into a learning mode. Further embodiments, forms, objects, features, advantages, aspects, and benefits shall become...
US20100319316 OXIDATION CATALYST FAULT DIAGNOSIS UNIT AND OXIDATION CATALYST FAULT DIAGNOSIS METHOD AND INTERNAL COMBUSTION ENGINE EXHAUST PURIFICATION APPARATUS  
To provide an oxidation catalyst fault diagnosis unit and fault diagnosis method that can perform fault diagnosis of an oxidation catalyst with good precision in a desired time period and an...
US20130000278 METHOD FOR MINIMIZING AMMONIA SLIP FROM SCR CATALYSTS  
Embodiments for reducing ammonia slip are provided. In one example, a method for reduction of ammonia emissions from an engine exhaust gas aftertreatment device with an SCR catalyst comprises...
US20130133312 EXHAUST GAS REFLUX AMOUNT ADJUSTING DEVICE  
There is provided an exhaust gas reflux amount adjusting device capable of reducing the possibility of deterioration of a catalyst causing an operation failure of an EGR valve. An EGR gas reflux...
US20150252949 SYSTEM FOR STORING AMMONIA IN AND RELEASING AMMONIA FROM A STORAGE MATERIAL AND METHOD FOR STORING AND RELEASING AMMONIA  
A system for storing ammonia in and releasing ammonia from a storage material capable of binding and releasing ammonia reversibly by adsorption or absorption for a process with a gradual ammonia...
US20110138783 EXHAUST PURIFYING SYSTEM FOR INTERNAL COMBUSTION ENGINE  
An object is to provide an exhaust purifying system for an internal combustion engine having an NSR catalyst, which can inhibit emissions from being aggravated by blow-by of NOx. An exhaust...
US20120311996 FILTERING METHOD AND FILTER FOR A NOX SENSOR OF AN EXHAUST GAS SYSTEM  
Embodiments for determining NH3 slip past a catalyst are provided. In one example, a filtering method for a NOx sensor of an exhaust gas system having an SCR catalytic converter comprises...
US20110270504 EXHAUST AND COMPONENT TEMPERATURE ESTIMATION SYSTEMS AND METHODS  
An exhaust control system comprises a nominal specific heat module, a correction module, a specific heat determination module, and a convective loss estimation module. The nominal specific heat...
US20110083639 CYLINDER DEACTIVATION TO REDUCE FUEL ENRICHMENT AFTER FUEL CUTOFF MODES  
A system includes a fuel cutoff module and a cylinder deactivation module. The fuel cutoff module generates a fuel cutoff signal when a deceleration fuel cutoff condition occurs, wherein fueling...
US20130291517 EXHAUST DIAGNOSTIC CONTROL SYSTEM AND METHOD WITH SELECTIVE DISABLEMENT OF NOX REDUCTION EFFICIENCY DIAGNOSTIC  
An exhaust diagnostic control system comprises a test enabling module, an exhaust gas temperature management module in communication with the test enabling module, and a component management...
US20100313548 Emission Control System with an Optimized Reductant Injection Model  
According to at least one aspect of the present invention, there is provided an emission control system which includes a reductant injector injecting a pre-determined amount of a reductant into a...
US20130199161 DEVICE FOR PURIFYING EXHAUST GAS OF INTERNAL COMBUSTION ENGINE  
An electronic control device calculates the maximum actual oxygen storage capacity of a catalyst. The gradient of a linear expression formed between the catalyst temperature and the maximum oxygen...
US20110005202 IDENTIFYING AMMONIA SLIP CONDITIONS IN A SELECTIVE CATALYTIC REDUCTION APPLICATION  
A system includes a filtering module that filters a first signal that indicates an amount of nitrogen oxides (NOx) in exhaust gas upstream from a catalyst, and that filters a second signal that...
US20110197567 Diesel Particulate Filter Regeneration Control Using A Wide Band Oxygen Sensor  
A regeneration control system for use with a diesel engine having a diesel particulate filter is provided. This regeneration control system utilizes a wide band oxygen sensor placed in the exhaust...
US20110185707 METHOD FOR ESTIMATING SLIPPAGE OF A SELECTIVE CATALYST REDUCTION SYSTEM  
A method for determining NH3 and NOx slippage through a SCR is described. In one example, signals from NOx sensors positioned upstream and downstream of a SCR are processed and provide indication...
US20110314793 SYSTEM AND METHOD FOR DETERMINING AN AGE OF AND CONTROLLING A SELECTIVE CATALYTIC REDUCTION CATALYST  
An exhaust treatment system for exhaust gas produced by an engine includes a condition control module, a load determination module, and an age determination module. The condition control module...
US20110239629 FLUE GAS PURIFYING DEVICE  
An object of the present invention is to provide a flue gas purifying device that can suppress leakage of ammonia and can efficiently decrease nitrogen oxides in flue gas. The object is achieved...
US20130269323 PARTICULATE MATTER DEPOSITION AMOUNT ESTIMATION DEVICE, EXHAUST GAS PURIFICATION SYSTEM, AND PARTICULATE MATTER DEPOSITION AMOUNT ESTIMATION METHOD  
There are provided a differential pressure deposition amount of PM deposited in a DPF based on an exhaust gas flow rate and a differential pressure of the DPF, calculating a model deposition...
US20120079813 OPERATING METHODS FOR SELECTIVE CATALYTIC REDUCTION OF NOx  
Where oxygenated hydrocarbons, such as ethanol, may be considered for use as a reductant to be added to diesel or gasoline engine exhaust for promoting the catalyzed reduction of NOx to N2, there...
US20110083422 SYSTEMS AND METHODS FOR CONTROLLING REGENERATION OF NITROGEN OXIDE ADSORBERS  
An exhaust treatment system includes a nitrogen oxide (NOx) monitoring module and a regeneration control module. The NOx monitoring module monitors first and second NOx levels in an exhaust stream...
US20110308233 SELECTIVE CATALYTIC REDUCTION (SCR) CATALYST DEPLETION CONTROL SYSTEMS AND METHODS  
A dosing control system for a vehicle includes an adaption triggering module, a dosing management module, and an adaption ending module. The adaptation triggering module triggers performance of an...
US20060272315 Fuel control for robust detection of catalytic converter oxygen storage capacity  
An oxygen storage capacity (OSC) monitoring system for a vehicle having a catalytic converter includes an inlet oxygen sensor that generates an inlet sensor signal (ISS) based on an oxygen content...
US20110258988 NOx SENSOR VALUE CORRECTING DEVICE AND INTERNAL COMBUSTION ENGINE EXHAUST PURIFICATION SYSTEM  
To provide a NOx sensor value correcting device with improved precision in detecting NOx concentrations and an internal combustion engine exhaust purification system equipped with this sensor...
US20120222406 EXHAUST PURIFICATION SYSTEM FOR INTERNAL COMBUSTION ENGINE  
An exhaust purification system for an internal combustion engine capable of lean-burn driving comprises: an NSR catalyst disposed in an exhaust passageway; an SCR disposed downstream of the NSR...
US20110131955 Deterioration Rate Determination Method of Lambda Sensor and System Thereof  
A degradation rate decision method of a lambda sensor, may include an injection step injecting a reducing agent so as to regenerate a nitrogen oxide purification catalyst, a lambda value detection...
US20120047877 EXHAUST TREATMENT SYSTEM AND METHOD OF OPERATION  
An exhaust treatment system is provided. Method of increasing activation of NOx reduction catalyst using two or more reductant is discussed. The exhaust treatment system includes an exhaust...
US20080163608 DEVICE FOR ESTIMATING THE LOAD STATE OF A NOX STORAGE CATALYTIC CONVERTER  
A device for estimating the loading state of a NOx storage catalytic converter. The device includes a module for determining the oxygen concentration difference between an oxygen concentration...
US20130255232 OXYGEN SENSOR CONTROL APPARATUS  
An oxygen sensor control apparatus includes internal resistance detection means S3, controlled internal resistance obtaining means S4 to S11, and heater energization control means S12. When a...
US20120000184 METHOD OF MONITORING SOOT MASS IN A PARTICULATE FILTER AND MONITORING SYSTEM FOR SAME  
A method of monitoring soot mass in a particulate filter of an exhaust system includes predicting soot mass in the particulate filter based at least partially on a pressure differential between...
US20130298533 System for Indicating Quality of a Diesel Exhaust Fluid ("DEF")  
An exhaust gas treatment system for an internal combustion engine is provided having an exhaust gas conduit, a diesel exhaust fluid (“DEF”) source, a selective catalytic reduction (“SCR”) device,...
US20110005203 IDENTIFYING AMMONIA NON-SLIP CONDITIONS IN A SELECTIVE CATLYTIC REDUCTION APPLICATION  
A system includes a sampling module, a correlation determination module, and an injector control module. The sampling module samples first and second signals that indicate an amount of nitrogen...
US20140208716 EXHAUST SYSTEM HAVING SENSOR PLACEMENT DETECTION  
An exhaust control system for use with a combustion engine is disclosed. The system may have an exhaust passage, an exhaust sensor located within the exhaust passage and configured to generate a...
US20080202104 Controller of exhaust gas purifying agent and exhaust gas purifying system  
A quantity of a purifying agent that is added into an exhaust gas, reacts with a specific component in the exhaust gas, and purifies the exhaust gas is controlled. A controller is configured so as...
US20120186234 DIESEL PARTICULATE FILTER CONTROL  
Methods and systems are provided for managing particulate emissions in an engine including a particulate filter and a CO2 sensor downstream of the filter. A CO2 sensor may be used to infer the...
US20110131954 DIESEL PARTICULATE FILTER CONTROL  
Methods and systems are provided for managing particulate emissions in an engine including a particulate filter and a CO2 sensor downstream of the filter. A CO2 sensor may be used to infer the...
US20110184631 NOx CONTROL DURING LOAD INCREASES  
A method of controlling a diesel engine connected to a load, the method including the steps of detecting an increased torque requirement and matching a fuel flow with an airflow. The detecting an...
US20130067892 SELECTIVE CATALYTIC REDUCTION SYSTEM  
A selective catalytic reduction system (SCR) that reduces a burden on a battery resulting from energization of a heater and a decrease in time during which an NOx concentration cannot be detected....
US20090171553 SYSTEM FOR DETERMINING THE LEVEL OF SULPHUR POISONING OF DEPOLLUTION MEANS INTEGRATED INTO THE EXHAUST LINE OF A MOTOR VEHICLE ENGINE  
The invention relates to a system for determining the level of sulphur poisoning of depollution means integrated into the exhaust line of a motor vehicle engine, said system being associated with...
US20120317960 CATALYST DEGRADATION DETECTION DEVICE  
A catalyst degradation detection device, determines whether a three-way catalyst has degraded on the basis of the maximum value of the amount of oxygen stored by the catalyst. When determining...
US20140165537 ZERO CERIA WASHCOAT CATALYST MONITOR  
A catalyst degradation detection method for use with a zero ceria catalyst. The method uses techniques to measure transient responses to engine control events of upstream and downstream sensors to...
US20120279202 METHOD FOR EXHAUST GAS-RECIRCULATION  
A method for exhaust gas recirculation (EGR), in particular in internal combustion engines, in particular for reducing NOx emission, by actuating an EGR valve (2) and/or a throttle flap (3),...
US20120031074 METHOD AND DEVICE FOR REGENERATING A PARTICLE FILTER  
A method and device for monitoring and controlling the regeneration of a particle filter in an exhaust gas duct of an internal combustion engine which has a three-way catalytic converter...
US20100024394 TROUBLE DIAGNOSIS DEVICE FOR EXHAUST GAS PURIFICATION SYSTEM AND TROUBLE DIAGNOSIS METHOD FOR EXHAUST GAS PURIFICATION SYSTEM  
There are provided a trouble diagnosis device and a trouble diagnosis method for an exhaust gas purification system in which the presence or absence of a trouble of the exhaust gas purification...
US20110036069 METHOD FOR OPERATING A LAMBDA SENSOR DURING THE HEATING PHASE  
In a method for operating a lambda sensor disposed in an exhaust gas system of an internal combustion engine,—the heating element is subjected to a predefined heating power substantially with the...
US20100293925 Method for Determining the Nitrogen Dioxide Concentration in Exhaust Gases  
In a method for determining an NO2 concentration and/or a concentration ratio of NO2 and NO in an exhaust tract of a combustion device, such as an internal combustion engine, an NOx sensor that is...