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7622096 Multilayered catalyst compositions  
A layered three-way conversion catalyst having the capability of simultaneously catalyzing the oxidation of hydrocarbons and carbon monoxide and the reduction of nitrogen oxides is disclosed....
7622095 Catalyst composition for use in a lean NOx trap and method of using  
A lean NO x trap composition. The lean NO x trap composition utilizes ruthenium in place of higher cost metals such as platinum. The lean NO x trap composition provides high NO x storage...
7618605 Exhaust emission control device and method for internal combustion engine, and engine control unit  
An exhaust emission control device for an internal combustion engine, which is capable of supplying a just enough amount of reducing agent to a NOx catalyst, thereby reducing exhaust emission and...
7618255 Apparatus and method for catalytic combustion  
A catalytic combustion apparatus is equipped with a reactor for catalytically burning a gas to be treated containing a combustible organic compound, which further comprises a condensate forming...
7604677 Structure of air cleaner box  
An air cleaner box structured to facilitate the attaching and detaching operation of an air cleaner element While enhancing the support rigidity thereof. The air cleaner box includes a casing...
7591986 Exhaust emission control device and method for internal combustion engine, and engine control unit  
An exhaust emission control device which is capable of supplying a just enough amount of reducing agent to a NOx catalyst while causing the amount of reducing agent consumed in an upstream catalyst...
7572422 Exhaust gas purifying method for fuel cell vehicle and exhaust gas purifying system for fuel cell vehicle  
An exhaust gas purifying method for a fuel cell vehicle comprises preparing an exhaust gas purifying system for the fuel cell vehicle, the exhaust gas purifying system including a methane removal...
7569197 Process for purification of sulphur-containing exhaust gas  
The invention provides a process and system for purification of an exhaust gas stream from a combustion engine containing hydrocarbons, soot, carbon monoxide and sulphur dioxide. The process...
7563422 Method for reducing a particle and nitrogen oxide proportion in an exhaust gas flow of an internal combustion engine and corresponding exhaust gas treatment unit  
A method for reducing the particle and nitrogen oxide proportion in an exhaust gas flow of an internal combustion engine includes supplying a reducing agent to the exhaust gas flow, subjecting the...
7550125 Exhaust gas purification system  
An exhaust-gas purification unit for purifying the exhaust gas from an internal combustion engine which is preferably operated in lean-burn mode, in particular a diesel engine used in motor...
7541010 Silver doped catalysts for treatment of exhaust  
A method of making an exhaust treatment element includes washcoating a substrate with a slurry that includes a catalyst support material. At least some of the catalyst support material from the...
7537740 Heating device and thermal reactor for the heating and gasification of urea  
Heating device for the heating and gasification of urea or an urea solution, particularly for internal combustion engines, wherein said heating device is designed for installation in a gas line...
7527774 Inlet metallic foam support coupled to precious metal catalyst for application on 4 stroke platforms  
The present invention is directed to an improved dual phase muffler for the abatement of reduction of sound and emission pollutants such as hydrocarbons, carbon monoxide, and nitrogen oxides. More...
7517510 Layered catalyst composite  
A layered, three-way conversion catalyst having the capability of simultaneously catalyzing the oxidation of hydrocarbons and carbon monoxide and the reduction of nitrogen oxides is disclosed. In...
7494634 Reduction of nitrogen oxides using multiple split streams  
Systems and methods of removing at least nitrogen oxides from an exhaust fluid generally include dividing a flow of an exhaust fluid comprising a concentration of nitric oxide into three types of...
7491373 Flow-through honeycomb substrate and exhaust after treatment system and method  
A system and method including a radially non-uniformly plugged flow-through honeycomb substrate positioned upstream of a wall-flow particulate filter for controlled thermal regeneration of the...
7488462 Multi-stage catalyst systems and uses thereof  
Catalyst systems and methods provide benefits in reducing the content of nitrogen oxides in a gaseous stream containing nitric oxide (NO), hydrocarbons, carbon monoxide (CO), and oxygen (O 2 ). The...
7485273 Method for the reduction of NOx and NH3 emissions  
This catalyst system simultaneously removes ammonia and enhances net NO x conversion by placing an NH 3 —SCR catalyst formulation downstream of a lean NO x trap. By doing so, the NH 3 —SCR...
7485272 Multi-stage system for selective catalytic reduction  
A first aspect of the present disclosure includes a method of controlling nitric oxides emissions. The method may include producing an exhaust gas stream containing NOx and supplying the exhaust...
7485271 Catalyst structure for treating NOx containing exhaust gas from a lean burn engine  
A catalyst structure for treating exhaust gas from a lean burn internal combustion engine comprises a substrate monolith comprising a lean NO X catalyst (LNC) composition associated with at least...
7485270 Process for treating compression ignition engine exhaust gas  
A process for treating exhaust gas from a compression ignition engine wherein substantially all fuel for combustion is injected into a combustion chamber prior to the start of combustion comprises...
7476825 Roller seam welded body for exhaust gas treatment and process for producing the body  
A process for producing a body for exhaust gas treatment having a plurality of metallic layers, includes bringing the layers into contact with each other in a connection region. A connection is...
7476136 Exhaust valve for two-stroke engine  
A two-stroke internal combustion engine has two cylinders each having an exhaust port. Two exhaust conduits are connected to the two exhaust ports. A passage is provided between the two conduits to...
7451849 Substantially fibrous exhaust screening system for motor vehicles  
An exhaust gas pollution treatment device, having an inlet pipe, an outlet pipe with an exhaust path extending between the inlet pipe and the outlet pipe. A gas permeable backbone member is...
7445761 Method and system for providing compressed substantially oxygen-free exhaust gas for industrial purposes  
A method and system of providing compressed substantially oxygen-free exhaust gas for industrial purposes including the steps of extracting exhaust gas from a lean burn engine consuming a mixture...
7444805 Substantially fibrous refractory device for cleaning a fluid  
The present invention relates to an exhaust system conduit, including a generally cylindrical outer portion and a generally cylindrical inner portion disposed within the generally cylindrical outer...
7442354 Treatment of engine exhaust using molecular sieve SSZ-56  
The present invention relates to new crystalline molecular sieve SSZ-56 prepared using a N,N-diethyl-2-methyldecahydroquinolinium cation as a structure-directing agent and its use in minimizing...
7430856 Pressure detection mechanism for exhaust emission control device of internal combustion engine  
A pressure detection mechanism for a catalyst of an engine, in which the catalyst includes an upstream NSR catalyst and a downstream DPNR catalyst stored in a catalyst casing, which includes a DPNR...
7413720 Catalyst and method for reduction of nitrogen oxides  
A Selective Catalytic Reduction (SCR) catalyst was prepared by slurry coating ZSM-5 zeolite onto a cordierite monolith, then subliming an iron salt onto the zeolite, calcining the monolith, and...
7402292 Device and methods of ammonia generation for NOx abatement  
One embodiment of a method of operating a NOx abatement system comprises: introducing an exhaust stream to an ammonia generator in a normal flow direction, adsorbing NOx from the exhaust stream in...
7399452 Meander-type catalytic converter  
To provide an exhaust system ( 100 ) for an internal combustion engine having a housing ( 10 ) in which there are provided at least one exhaust inlet port ( 15 b ) and another exhaust discharge...
7396516 Manganese containing oxygen storage component comprising three-way catalyst composition  
A three-way catalyst (TWC) composition comprises a manganese-containing oxygen storage component (OSC) and at least one optionally doped alumina wherein where the at least one alumina is...
7390469 Bimodal catalyst-urea SCR system for enhanced NOx conversion and durability  
The present invention discloses a method for reducing NO x in exhaust gases of an internal combustion engine. The purpose of this invention is to convert engine out NO x (approximately 90% NO in...
7361320 Exhaust gas purification unit with reducing agent supply  
The invention proposes an exhaust-gas purification unit for purifying the exhaust gas from an internal combustion engine which is preferably operated in lean-burn mode, in particular a diesel...
7357901 Exhaust gas purification device for an internal combustion engine and exhaust gas purification method for an internal combustion engine  
An internal combustion engine with an exhaust gas purification device is provided in which the NOx held in a NOx catalyst can be efficiently reduced and purified, and a sufficient amount of NOx can...
7351381 Gas treatment apparatus  
The present invention relates to a gas treatment apparatus for treating the exhaust gas stream from an internal combustion engine. The apparatus comprises several compartments within which one or...
7332142 Method and apparatus for bubble injection of agent into exhaust gas for use with emission abatement device  
An apparatus comprises an exhaust system and an injection system. The injection system is configured to vaporize a first liquid portion of an agent into at least one bubble so as to inject a second...
7325393 Deterioration diagnosing device and diagnosing method for exhaust gas purification catalyst  
To determine whether an exhaust gas purification catalyst ( 42 ) of an engine ( 1 ) has deteriorated, a characteristic of exhaust gas on an upstream side of the catalyst ( 42 ) is detected, a...
7294313 Device and method for producing ammonia from solid urea pellets  
A device for producing ammonia from urea pellets includes a pellet dispensing device, a pellet accelerator, a pellet shooting channel, and an ammonia reactor having a chamber or zone for shooting...
7174709 Turboscreen assembly for diesel exhaust systems  
A turboscreen for use with diesel exhaust systems comprises a plurality of parallel metal V-shaped wires joined with a peripheral band. The turboscreen is reversibly provided within a housing...
7122067 Intake air filter for an internal combustion engine  
An intake air filter ( 1 ) is for an internal combustion engine, especially in a motor vehicle. The filter has a filter housing ( 2 ) having a raw air inlet ( 4 ), a pure air outlet ( 5 ), and an...
7121081 Exhaust gas recirculation afterburner  
An embodiment of the invention includes an exhaust gas recirculation (EGR) valve, an intake pipe, and an afterburner. As the intake valve communicates an exhaust gas stream to an EGR valve, an...
7117666 Direct fuel injection/spark ignition engine control device  
An engine control device is configured to cause an engine to operate at the optimum combustion mode according to the load when warming up of an emissions purification catalyst is required, and to...
7114324 Method for operating a lean burn engine with an aftertreatment system including nonthermal plasma discharge device  
In an exhaust aftertreatment system, which includes a nonthermal plasma discharge device followed by a NOx storage device followed by a precious metal catalyst, a method is disclosed for operating...
7081231 Method and system for the combination of non-thermal plasma and metal/metal oxide doped γ-alumina catalysts for diesel engine exhaust aftertreatment system  
The present disclosure pertains to a system and method for treatment of oxygen rich exhaust and more specifically to a method and system that combines non-thermal plasma with a metal doped...
6994930 Direct fired reciprocating engine and bottoming high temperature fuel cell hybrid  
A system of a fuel cell bottoming an internal combustion engine. The engine exhaust gas may be combined in varying degrees with air and fed as input to a fuel cell. Reformer and oxidizers may be...
6918246 Structure of an exhaust manifold branch collecting portion  
A structure of an exhaust manifold branch collecting portion includes a double collecting pipe 21 for collecting a plurality of exhaust openings 11 A, 17 A. The double collecting pipe 21 is...
6912843 Exhaust system for a multi-cylinder internal combustion engine  
An exhaust system of a multi-cylinder internal combustion engine, particularly in a motor vehicle, has a first exhaust-gas line for receiving the exhaust gas from a first cylinder group of the...
6878354 Catalyst and process for exhaust purification  
A catalyst for internal combustion engine exhaust purification without frequently switching to a rich burn mode. The catalyst includes a catalyst A containing an NO x absorbing substance and an NO...
6874317 Double pipe exhaust manifold  
A double pipe exhaust manifold includes an inner pipe, an outer pipe formed in a cylindrical shape by joining at least one side edge thereof by welding, a space retaining member disposed in an...
Matches 1 - 50 out of 244 1 2 3 4 5 >