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US20120102930 SYSTEM FOR DESULFURIZING OXIDATION CATALYST AND METHOD THEREOF  
A system and method for desulfurizing an oxidation catalyst enhances fuel economy and reduces noxious exhaust gas emission as a consequence of increasing desulfurization period of the oxidation...
US20120131911 EXHAUST GAS PURIFYING CATALYST AND METHOD FOR MANUFACTURING THE SAME  
An exhaust gas purifying catalyst (1) of the present invention includes anchor/promoter simultaneous enclosure particles (5) including catalyst units (13) which contain: noble metal particles (8);...
US20150004068 CATALYTIC REDUCTION OF NOx  
A system for NOx reduction in combustion gases, especially from diesel engines, incorporates an oxidation catalyst to convert at least a portion of NO to NO2, particulate filter, a source of...
US20110203263 GASEOUS FUELED TWO-STROKE ENGINE  
An engine according to various embodiments generates reduced emissions.
US20120060474 Exhaust Cooler  
An internal combustion engine is coupled to an electric power generator. An exhaust manifold for the engine includes an exhaust gas conduit. A housing includes a catalyst in fluid communication...
US20120159927 PEROVSKITE OXIDE COMPOUNDS FOR USE IN EXHAUST AFTERTREATMENT SYSTEMS  
A method for removing NOX from an oxygen-rich exhaust flow produced by a combustion source that is combusting a lean mixture of air and fuel may include passing the oxygen-rich exhaust flow...
US20140053539 EXHAUST COMPONENT MOUNTING SYSTEM  
An exhaust treatment system including an exhaust passage in communication with an engine that produces an exhaust. An exhaust canister is coupled to the exhaust passage, and the exhaust canister...
US20120060472 CATALYST MATERIALS FOR NOx OXIDATION IN AN EXHAUST AFTERTREATMENT SYSTEM THAT USES PASSIVE AMMONIA SCR  
An exhaust aftertreatment system that receives an exhaust flow from a lean-burn engine and a method for treating the exhaust flow are described. The exhaust aftertreatment system may include a...
US20110083424 METHOD AND APPARATUS FOR MONITORING A REDUCTANT INJECTION SYSTEM IN AN EXHAUST AFTERTREATMENT SYSTEM  
An internal combustion engine operating at a lean air/fuel ratio includes a reductant injection system configured to dispense reductant into an exhaust gas feedstream upstream of a selective...
US20110258987 VAPORIZER  
A vaporizer device which works together with an exhaust pipe carrying process exhaust gas. An exhaust duct of the vaporizer device opens into the exhaust pipe. The vaporizer device has a burner...
US20120204561 KIT FOR PRODUCING AUTOMOBILES WITH DIFFERENT ENGINE VARIANTS  
A kit for producing automobiles having different engine variants of auto-ignition internal combustion engines, each engine having two cylinder banks arranged in a V-shape, and components of a...
US20100319342 EXHAUST TREATMENT SYSTEM FOR AN INTERNAL COMBUSTION ENGINE  
A reductant delivery system for an exhaust treatment system of an internal combustion engine is disclosed. The system includes a turbocharger fluidly coupled to, and configured to receive exhaust...
US20120240562 Exhaust Treatment Device for an Internal Combustion Engine  
An internal combustion engine has an exhaust gas treatment system comprises a multiple piece canister having a first canister portion and a second canister portion, a conical portion extending...
US20150135687 EXHAUST DEVICE OF MOTORCYCLE  
A motorcycle is equipped with a V-type engine in which front and rear cylinders are arranged in a V-shape along a vehicle front and rear direction. An exhaust device includes: a catalyst device...
US20110185708 Adaptive Desulfation Control Algorithm  
The exhaust from a diesel-fueled internal combustion engine is treated by a lean NOX trap. The maximum temperature used for desulfating the lean NOX trap is kept relatively lower during early life...
US20140174060 System and Method for Accommodating Aftertreatment Bricks  
One or more aftertreatment bricks are axially inserted through an opening in the first end of a tubular sleeve of an aftertreatment system. The aftertreatment brick includes a substrate matrix and...
US20110039461 Exhaust plenum for distributing exhaust gas uniformly through a catalyst module  
A plenum is provided upstream from a catalyst module and downstream from a plurality of exhaust ports of a marine engine. The plenum is provided with a cross-sectional area that induces exhaust...
US20140165540 AFTERTREATMENT SYSTEM INCORPORATING HYDROLYSIS CATALYST WITH PARTICULATE FILTRATION AND SCR  
An aftertreatment system is disclosed. The aftertreatment system can include a hydrolysis catalyst disposed within a first canister adjacent to a downstream end of the first canister and a nozzle...
US20110138788 Exhaust Gas Purifier  
It is intend to provide at low cost an exhaust gas purifier capable of in an internal combustion engine or other combustion instrument mainly driven under excess air conditions, efficiently...
US20130142714 DIESEL OXIDATION CATALYSTS, SYSTEMS AND METHODS OF TREATMENT  
Diesel oxidation catalysts comprising a first washcoat layer including a platinum group metal impregnated on a promoted non-zeolitic support are described. The promoter is one or more of tin,...
US20090007551 Exhaust Gas Aftertreatment System  
An exhaust gas after treatment system for treating exhaust gases from an internal combustion engine is provided. The system includes a soot catalytic converter and an SCR catalytic converter,...
US20110146245 SULFUR DETECTION ROUTINE  
A power system comprising an engine that produces exhaust, an aftertreatment system that treats the exhaust and includes a particulate filter that traps soot from the engine, and a controller...
US20110186376 MUFFLER WITH INTEGRATED CATALYTIC CONVERTER AND POLYMERIC MUFFLER BODY  
Disclosed is a muffler (1, 21, 41) integrated with a catalytic converter bed (9, 32, 52) including a polymeric muffler body (2, 22, 42), an inlet pipe (3, 23, 43) in flow communication with engine...
US20130340414 OXIDATION CATALYST FOR A LEAN BURN INTERNAL COMBUSTION ENGINE  
An apparatus is disclosed. The apparatus comprises a lean-burn internal combustion engine, engine management means and an exhaust system for treating exhaust gas of the engine. The exhaust system...
US20110099986 Green muffler  
The present invention provides an automotive exhaust system that removes harmful contaminants from engine exhaust and thus reduces air pollution, presents a number of distinct and significant...
US20120312001 LOW PRESSURE EGR SYSTEM AND EXAMINING METHOD FOR EFFICIENCY OF LOW EGR COOLER  
A low pressure exhaust gas recirculation (EGR) cooler efficiency diagnosis method for an EGR system includes measuring speed and load of an engine, setting a difference threshold between model...
US20150251136 Formaldehyde Emission Reduction in Natural Gas Fired Reciprocating Internal Combustion Engines (RICE)  
Exhaust from an NG fired stationary or non-stationary RICE, such as, for example, a lean burn RICE, is directed to a first oxidation catalyst, then to a second oxidation catalyst. The second...
US20110047983 EXHAUST SYSTEM  
An exhaust system may include an exhaust line through which exhaust gas that is formed in an engine is exhausted, a nitrogen oxide purification catalyst that is disposed on the exhaust line to...
US20120117947 NOx ADSORBER REGENERATION SYSTEM AND METHOD  
An exhaust gas after treatment system for an engine comprises an oxidation catalyst NOx adsorber wherein an oxidation catalyst compound and a NOx adsorber compound are disposed. A fuel injector is...
US20110179777 EXHAUST SYSTEM FOR A LEAN BURN IC ENGINE  
An exhaust system(10) for a lean-burn internal combustion engine (12) comprises a first substrate monolith (16) comprising a catalyst for oxidising nitric oxide (NO) comprising a catalytic...
US20110099987 EXHAUST GAS PURIFICATION CATALYST  
An exhaust gas purification catalyst includes: a lower catalyst layer that contains a ceria-zirconia mixed oxide having 50 to 70 mass % of CeO2 and 5 mass % or more of Pr2O3 and carries at least...
US20110173959 EXHAUST SYSTEM FOR LEAN-BURN INTERNAL COMBUSTION ENGINE COMPRISING PD-AU-ALLOY CATALYST  
An apparatus (10) comprising a lean burn internal combustion engine (12) and an exhaust system (14) comprising at least one catalytic aftertreatment component (18, 20, 22), wherein the at least...
US20090056319 Exhaust Aftertreatment System with Pre-Catalysis  
An exhaust aftertreatment system includes an exhaust tube or housing having a catalyzed inner wall catalytically reacting with engine exhaust prior to reaching an aftertreatment element.
US20110139104 SYSTEM FOR IMPROVING ENGINE PERFORMANCE AND EMISSIONS  
A system for improving engine performance and emissions is presented. The system can lower exhaust pressure and improve engine breathing. In one example, exhaust gases are combined to reduce...
US20110265464 AMMONIA BURNING INTERNAL COMBUSTION ENGINE  
Inside an engine compartment of a vehicle, an ammonia concentration sensor is arranged above a liquid ammonia injector which is attached to an internal combustion engine body and to the rear in a...
US20090272106 EXHAUST GAS TREATMENT UNIT  
The present invention relates to an exhaust gas treatment unit for an exhaust system of a combustion engine, in particular of a motor vehicle, includes a housing, a plurality of exhaust gas...
US20100312451 MODELING CATALYST EXOTHERM DUE TO BLOWTHROUGH  
Modeling catalyst exotherm due to blowthrough is provided. The method of calculating a temperature of exhaust from an internal combustion engine having a catalyst may include determining a...
US20120073273 EXHAUST PURIFICATION SYSTEM OF INTERNAL COMBUSTION ENGINE  
An exhaust purification system of an internal combustion engine including an ammonia oxidation catalyst device and an ammonia holding device arranged immediately upstream of the ammonia oxidation...
US20110126526 EXHAUST PIPE STRUCTURE OF VEHICLE  
An exhaust pipe structure of a vehicle having a left manifold disposed in front of an engine and a right manifold disposed behind the engine along a longitudinal direction of the vehicle, which...
US20110232263 EXHAUST GAS PURIFYING APPARATUS FOR INTERNAL COMBUSTION ENGINE  
An exhaust gas purifying apparatus for an internal combustion engine having a lean NOx catalyst in an exhaust system is provided. The lean NOx catalyst traps NOx in exhaust gases when the exhaust...
US20130149223 EXHAUST SYSTEM FOR A LEAN-BURN INTERNAL COMBUSTION ENGINE INCLUDING SCR CATALYST  
An exhaust system 20 for an internal combustion engine comprises a) a first catalysed substrate monolith 12 comprising a first washcoat coating disposed in a first washcoat zone 16 of the...
US20110073087 DELAY COMPENSATION SYSTEMS AND METHODS  
A steady-state (SS) delay module determines a SS delay period for SS operating conditions based on an air per cylinder. A dynamic compensation module determines a predicted delay period based on...
US20090255240 Sulfur-Resistant Exhaust Gas Aftertreatment System For The Reduction Of Nitrogen Oxides  
An arrangement for aftertreatment of exhaust gas for lean-burn internal combustion engines such as diesel engines and Otto engines with direct injection has a NOx storage catalyzer installed in...
US20140271427 Catalyst Materials For No Oxidation  
A catalyst material for the oxidation of NO comprising a catalyst carrier including a ceria-alumina support having platinum and optionally palladium dispersed on the support is described. When...
US20080314033 Treatment of diesel engine exhaust  
A diesel exhaust treatment system for treating exhaust gas from a diesel engine comprises at least one diesel particulate filter, at least one diesel exhaust fluid mixing chamber and at least one...
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...
US20150145355 ENCLOSURE FOR USE OF PRIME MOVER IN A HAZARDOUS ENVIRONMENT  
A prime mover assembly is suitable for use in a hazardous environment. The prime mover assembly includes a hazardous rated enclosure, a non-hazardous rated prime mover disposed in the enclosure,...
US20110146236 Exhaust Aftertreatment System  
An exhaust aftertreatment system including an exhaust flow area, a first bank of one or more exhaust treatment devices in fluid communication with the exhaust flow area and a second bank of one or...
US20090173059 SULPHUR OXIDE (SOX) REMOVAL METHOD AND SYSTEM AND STOP MODULE FOR SAID SYSTEM  
The invention relates to a system for the removal of SOx (sulphur oxide) stored in a nitrogen oxide (NOx) trap associated with an oxidation catalyst and disposed in an exhaust line of an engine,...
US20110011082 Emissions Control System Having External Turbocharger Wastegate and Integrated Oxidation Catalyst  
A method and system for reducing undesired exhaust emissions during cold start of a turbocharger-equipped internal combustion engine. A bypass line in the engine compartment has a bypass valve...