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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...
US20090313971 Diesel Exhaust Treatment System Catalyst Monitoring  
Diesel exhaust treatment articles, systems and methods are disclosed. According to one or more embodiments, an oxygen storage component is utilized and degradation of the oxygen storage component...
US20110232267 METHOD AND DEVICE FOR THE ADDITION IN DROPLET FORM OF A LIQUID REDUCING AGENT INTO AN EXHAUST GAS LINE  
A method and a device for the addition in droplet form of a liquid reducing agent to an exhaust gas line of an internal combustion engine, particularly to a rear end side of an exhaust gas...
US20080140297 Internal combustion engine  
According to the invention, noise of an internal combustion engine is reduced by dynamically correcting the moment of injection when the engine is in the transient mode.
US20100275582 EXHAUST EMISSION CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE  
Provided is an exhaust emission control device for an internal combustion engine capable of high-efficiency DPF regeneration processing. The exhaust emission control device comprises a DPF for...
US20050188745 Generator monitoring, control and efficiency  
A system for generating electricity includes a generator and an interface. The generator is coupled to the interface and provides data to the interface regarding electricity generation. The...
US20130263575 SYSTEM AND METHOD FOR CONTROLLING AN EXHAUST SYSTEM HAVING A SELECTIVE CATALYST REDUCTION COMPONENT  
A method for controlling operation of an SCR component includes receiving a signal reflecting a sensed condition of an exhaust stream associated with the SCR component, estimating an apparent...
US20090151323 METHOD AND DEVICE FOR OPERATING AN EXHAUST-GAS AFTER-TREATMENT SYSTEM  
The invention relates to a method for operating a motor vehicle exhaust-gas aftertreatment system (1), in which oxygen is fed to and removed from the oxygen tank (8) of an exhaust-gas...
US20120020857 DOSING SYSTEM HAVING RECIRCULATION HEATING AND VACUUM DRAINING  
A reductant dosing system is disclosed. The reductant dosing system may have a supply of reductant, a reductant nozzle, and a pump with an inlet and an outlet. The reductant dosing system may also...
US20080060864 Motorcycle  
A motorcycle in which a pre-catalyst is disposed in an exhaust pipe to purify exhaust gas. The pre-catalyst is installed away from a rider's leg. A main frame extends longitudinally. An engine is...
US20100205940 EXHAUST EMISSION CONTROL SYSTEM OF INTERNAL COMBUSTION ENGINE AND EXHAUST EMISSION CONTROL METHOD  
In an exhaust emission control system of an internal combustion engine, a NOx selective reduction catalyst is disposed in an engine exhaust passage, and an aqueous solution of urea stored in an...
US20150337709 EXHAUST GAS PROCESSING APPARATUS AND METHOD  
An apparatus and a method for processing exhaust gas are provided. The apparatus includes a lean NOx trap (LNT), a selective catalytic reduction (SCR) catalyst, and an oxygen storage catalyst...
US20090199543 CATALYST MONITORING SYSTEM AND MONITORING METHOD  
A catalyst monitoring system diagnoses deterioration of an NOX catalyst (18) which is arranged in an exhaust passage (12) of an internal combustion engine (10). An NOX sensor (25) is arranged...
US20060266018 EXHAUST CONTROL SYSTEM IMPLEMENTING SULFUR DETECTION  
An exhaust control system for a power source is disclosed. The exhaust system has an air induction system, an exhaust system, and a recirculation system. The recirculation system is configured to...
US20080010973 Device and Method for Determination of the Quantity of Nox Emitted by a Diesel Engine in a Motor Vehicle and Diagnostic and Engine Management System Comprising Such a Device  
The invention relates to a device for determination of the quantity of NOx emitted by a diesel engine (10) in a motor vehicle with common-rail fuel supply means (12) for the cylinders thereof, of...
US20070234708 Method of on-board diagnostic catalyst monitoring  
A method of on-board diagnostic (OBD) catalyst monitoring. Vehicle OBD exhaust systems often include a catalyst, a pre-catalyst exhaust gas oxygen sensor, and a post-catalyst exhaust gas oxygen...
US20080264036 Advanced engine control  
A method for controlling an internal combustion engine to maintain a predetermined combustion efficiency, comprises: measuring the concentration of CO in an engine-out emission; determining...
US20090165440 Catalyst Deterioration Monitoring System and Catalyst Deterioration Monitoring Method  
A storage reduction NOx catalyst is disposed in an exhaust passage for an internal combustion engine. A NOx sensor is disposed upstream of the NOx catalyst. An inflow NOx amount, which is the...
US20130000280 GAS MONITORING METHOD IMPLEMENTING SOOT CONCENTRATION DETECTION  
A method for detecting soot in a gas is disclosed. The method may include applying a voltage pulse to electrodes exposed to the gas, wherein the voltage pulse has a higher voltage amplitude than a...
US20050109022 Exhaust gas purifying method and exhaust gas purifying system  
In an exhaust gas purifying system (1) for applying NOx purification by a NOx occlusion reduction type catalyst (42) and PM purification by a DPF (41) to the exhaust gas of an internal combustion...
US20090139210 Gas concentration sensor drift and failure detection system  
A system for detecting when a gas concentration sensor has drifted or failed is disclosed. The system has a first gas concentration sensor configured to detect a first gas concentration and...
US20110088372 EXHAUST GAS PURIFICATION APPARATUS FOR INTERNAL COMBUSTION ENGINE  
An exhaust gas purification apparatus for an internal combustion engine includes an exhaust passage through which exhaust gas flows, a selective catalytic reduction (SCR) catalyst provided in the...
US20080173008 Catalyst deterioration detecting system and catalyst deterioration detecting method of internal combustion engine  
A catalyst deterioration detecting system of an internal combustion engine includes a measuring unit that measures the oxygen storage capacity of a catalyst, a detector that detects or estimates...
US20130213013 EXHAUST GAS SENSOR MODULE  
Described herein is a sensor module for sensing characteristics of a fluid flowing through a fluid conduit. The sensor module includes a sample probe with at least one sample arm that extends...
US20110192146 MULTICYLINDER INTERNAL COMBUSTION ENGINE, INTER-CYLINDER AIR/FUEL RATIO IMBALANCE DETERMINATION APPARATUS, AND METHOD THEREFOR  
A multicylinder engine includes: combustion chambers; fuel injection valves corresponding to the individual combustion chambers; an exhaust control catalyst; an upstream-side air/fuel ratio sensor...
US20110094208 METHOD AND DEVICE FOR CONTROLLING AN EXHAUST GAS POST-TREATMENT  
In a method and device for controlling an exhaust gas post-treatment for an internal combustion engine with at least one cylinder (Z1-Z4) and one combustion chamber (26) and one exhaust gas tract...
US20110314796 PARTICULATE MATTER DETECTION SENSOR AND CONTROL DEVICE OF CONTROLLING THE SAME  
A particulate matter (PM) detection sensor is placed in an exhaust gas pipe of a diesel engine. The PM sensor element has a detection part composed of a pair of detection electrodes and a heater...
US20120279203 EXHAUST GAS PURIFICATION SYSTEM FOR HYDRAULIC OPERATING MACHINE  
When an output value of an exhaust resistance sensor 34 has reached or exceeded a set value ΔPa, a controller 20 executes recovery control of a filter of an exhaust gas purification device 32...
US20090145109 Catalyst degradation diagnosis device and diagnosis method for internal combustion engine  
The oxygen storage capacity preceding a previous oxygen storage capacity and the previous oxygen storage capacity of each of an upstream catalyst and a downstream catalyst are measured, and 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...
US20110047970 HIGH EFFICIENCY NOx REDUCTION SYSTEM AND METHOD  
An exhaust gas stream aftertreatment system and method achieves high efficiency NOx reduction in exhaust gas emissions by arranging a selective catalytic reduction (SCR) catalyst element upstream...
US20090229251 EXHAUST PURIFICATION CONTROL DEVICE AND EXHAUST PURIFICATION SYSTEM  
An exhaust purification control device is provided for an exhaust purification system that includes an exhaust treatment device located in an outlet passage of an internal combustion engine and a...
US20070157607 Clean air system  
The present invention provides a method for controlling exhaust gas emissions including platinum, wherein exhaust gas is brought into contact with an emissions control catalyst and the oxygen...
US20080041034 EXHAUST GAS PURIFICATION FOR A HYDROGEN ENGINE  
An exhaust gas purification system for a hydrogen engine is provided in which hydrogen gas is supplied in the hydrogen engine as a fuel for combustion, and is also supplied to the exhaust gas...
US20090288391 CATALYST DETERIORATION DETECTION DEVICE  
The present invention detects the deterioration of a catalyst. In accordance with an output from an oxygen sensor, a catalyst deterioration detection device for the catalyst positioned in an...
US20090133383 Selective NOx catalytic reduction system including an ammonia sensor  
An improved SCR system for controlling NOx levels in internal combustion engine exhaust, comprising a least one ammonia sensor disposed at an intermediate longitudinal location in an SCR catalyst...
US20080034732 Exhaust Emission Control Device  
Increase of NOx emission is minimized even under a condition that NOx depuration system has malfunction. An exhaust emission control device is disclosed which has selective reduction catalyst 10...
US20100083635 CATALYST MONITORING SYSTEM AND CATALYST MONITORING METHOD  
The concentration of a portion of components in the hydrocarbon in exhaust gas flowing into a catalyst is detected or estimated, and the concentration of the portion of components in the...
US20110099977 EXHAUST GAS PURIFICATION APPARATUS FOR INTERNAL COMBUSTION ENGINE  
An exhaust gas purification apparatus includes an exhaust passage through which exhaust gas discharged from an engine flows, a selective catalytic reduction catalyst provided in the exhaust...
US20080115485 Purification device for decreasing particulate matter and nitrogen oxides in diesel engine  
A diesel exhaust purification device for decreasing the amount of particulate matter and nitrogen oxides includes a Catalyzed Diesel Particulate Filter (CDPF) disposed in an exhaust conduit to...
US20070204597 Exhaust sensor mounting structure  
The present invention provides an exhaust sensor mounting structure for mounting an exhaust sensor having a sensing element covered by an element cover formed with an exhaust inlet hole to an...
US20140311123 ELECTRICALLY HEATED DOC USING HCSCR COLD START NOX CONTROLS  
An exhaust gas treatment system for an internal combustion engine is provided. The system includes an exhaust gas conduit extending from the engine configured to receive an exhaust gas stream from...
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...
US20090165439 EXHAUST GAS TREATMENT SYSTEM FOR AN INTERNAL COMBUSTION ENGINE  
An exhaust gas treatment system for an internal combustion engine includes an exhaust pipe and an energy applying device. Exhaust gas discharged from the internal combustion engine flows into the...
US20120180454 METHOD FOR CONTROLLING THE REGENERATION PROCESS IN LNT DEVICES  
A method is provided for controlling the regeneration process of a LNT device for the treatment of exhaust produced by an internal combustion engine. The method includes, but is not limited to...
US20120031077 PM SENSOR, PM AMOUNT SENSING DEVICE FOR EXHAUST GAS, AND ABNORMALITY DETECTION APPARATUS FOR INTERNAL COMBUSTION ENGINE  
Provided is a PM sensor capable of sensing the amount of particulate matter, and a PM amount sensing device for exhaust gas. Also provided is an abnormality detection apparatus for an internal...
US20060196177 Outboard engine system  
In an outboard engine system, an exhaust manifold fixed to a cylinder head of a vertical engine by a bolt includes single pipe portions and a collecting portion through which an exhaust gas flow....
US20050011181 Outboard engine system  
In an outboard engine system, an exhaust manifold fixed to a cylinder head of a vertical engine by a bolt includes single pipe portions and a collecting portion through which an exhaust gas flow....
US20140373512 EMISSION GAS CLEANING DEVICE OF INTERNAL COMBUSTION ENGINE  
In a system having an oxygen sensor arranged downstream of a NOx storage-reduction catalyst, a constant current is made to flow between sensor electrodes by a constant current circuit provided in...
US20110179774 Control Diagnostic Apparatus for Internal Combustion Engine  
To prevent the deterioration of exhaust emissions of an internal combustion engine due to air-fuel ratio variation among multiple cylinders, and to identify an abnormal cylinder during an...

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