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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... |
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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... |
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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... |
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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. |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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.... |
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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.... |
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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... |
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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... |