Matches 101 - 150 out of 1887 < 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 >
Match Document Document Title
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...
7523606 Parasitic load control system for exhaust temperature control  
A parasitic load control system is provided. The system may include an exhaust producing engine and a fuel pumping mechanism configured to pressurize fuel in a pressure chamber. The system may also...
7520126 Exhaust purification method and exhaust purification apparatus of internal combustion engine  
In an internal combustion engine, an exhaust passage is provided with a NO x storing and decomposing catalyst ( 20 ). When burning fuel under a lean air-fuel ratio, the nitrogen monoxide is...
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...
7513104 Diagnostic apparatus for internal combustion engine  
A diagnostic apparatus for an internal combustion engine. An exhaust purification section includes an exhaust purifier disposed in an exhaust passage of the internal combustion engine, for...
7513108 Regeneration strategy  
A method for altering an operating condition of a filter includes actively increasing the temperature of the filter to a desired temperature below a regeneration temperature and sensing a filter...
7513105 Exhaust gas purifying system and abnormality determining method therefor  
An exhaust gas purifying system includes a catalyst arranged on an exhaust pipe of an internal combustion engine; a sensor detecting a state of the exhaust gas passed through the catalyst; and an...
7509801 Exhaust gas control apparatus for internal combustion engine  
There are provided a NOx storage reduction catalyst which is provided in an exhaust passage for an engine, and a sulfur concentration sensor which can detect a total concentration of SOx and H 2 S...
7509798 Methods and systems for safely operating a diesel engine in a methane-rich environment  
A method and system for more safely operating a diesel engine in a methane-rich environment, such as a mine. The method includes providing a diesel engine having an air intake, a combustion...
7506504 DOC and particulate control system for diesel engines  
The present invention is directed to an emission treatment system for the treatment and/or conversion of engine emissions and particulate matter from diesel engines. The emission treatment system...
7503168 Apparatus, system, and method for particulate filter regeneration  
An apparatus, system, and method are disclosed for particulate filter regeneration. The apparatus includes a bypass exhaust channel configured to conduct exhaust gasses away from a main exhaust...
7503169 Exhaust purification apparatus  
An exhaust purification apparatus has an engine controller with a storage device that stores information regarding when it is time for regeneration of the filter. The exhaust purification apparatus...
7503166 Gasoline internal combustion engine with dynamic combustion mode allocation  
An internal combustion engine having combustion cylinders capable of running on gasoline in either a spark ignition mode or in a homogenous charge compression mode. The allocation of cylinders in...
7500357 System for assisting regeneration of a storage/release NOx trap for a motor vehicle diesel engine  
A system for assisting regeneration of a storage/release NOx trap integrated in an exhaust line ( 5 ) of a motor vehicle diesel engine ( 4 ) is characterized in that it comprises gas admission...
7501105 NOx reduction catalyst having excellent low-temperature characteristics  
A NOx removal catalyst comprising a carrier that includes a zeolite, and preferably a β-zeolite, that has undergone ion exchange with iron, and ferric oxide supported on the carrier. This NOx...
7502683 Device and method for determining an adjustable variable of an internal combustion engine regulator  
A device is designed for determining a pre-set air/fuel ratio in the combustion chamber of a cylinder of an internal combustion engine. The device is further designed for determining a filtered,...
7502682 Method for regulating an actual variable of an internal combustion engine  
A method for regulating an actual output variable of an internal combustion engine to a reference variable. A maximum value for the reference variable is generated as a function of at least one...
7500354 Method for operating an internal combustion engine that is equipped with a three-way catalytic converter  
The invention relates to a method for operating an internal combustion engine that is equipped with a three-way catalytic converter. According to the inventive method, a lambda value of the...
7497075 Method and device for storing and dosing a reducing agent  
Apparatus for storing and metering of reducing agents that may be used within the framework of a catalytic exhaust gas aftertreatment, having a device for storing the reducing agent to be metered...
7497889 Exhaust emission control device  
Arranged within a cylindrical housing are capturing cells each including a cylindrical outer electrode capable of capturing particulates and an inner electrode inserted into the outer electrode and...
7493755 System for assisting the regeneration of depollution means for a motor vehicle engine  
The inventive system for assisting in the regeneration of depollution means ( 1 ) which is integrated in the exhaust means ( 3 ) of a diesel engine ( 4 ), wherein the engine ( 4 ) is associated...
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...
7496443 Emissions control  
A system for controlling a multiple cylinder internal combustion engine is presented. The system operates a first portion of cylinders in a homogeneous charge compression ignition (HCCI) mode and a...
7490467 Gas flow enhancer for combustion engines  
A gas flow enhancer for a combustion engine includes a housing, configured to receive an inlet flow of gas at an inlet pressure, and enclosing an expansion chamber. Disposed within the expansion...
7490466 Exhaust gas recirculation and selective catalytic reduction system  
A power source is provided for use with an exhaust gas recirculation and selective catalytic reduction system. The power source has a main air-intake passage fluidly connected to a first air-intake...
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...
7490462 Turbocharged exhaust gas recirculation system  
An exhaust recirculation system includes a power source including at least one cylinder outputting exhaust gas and a particulate reducing device fluidly connected to at least one exhaust duct of...
7490464 Emissions treatment system with NSR and SCR catalysts  
Provided is an emissions treatment system for an exhaust stream, having a NOx storage reduction (NSR) catalyst with a NOx sorbent at a concentration of at least 0.1 g/in 3 and a platinum group...
7487631 System and method for supplying reductants to an emission treatment system  
System and method for supplying reductants to an emission treatment system. The system includes a fuel tank adapted to supply a premixed fuel stream that includes a primary component and a...
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...
7487632 Method of calculating airflow introduction into an automotive exhaust air injection system  
Injection of secondary air into an exhaust of an automotive vehicle at a location upstream of a catalytic converter of the vehicle in which the airflow rate is calculated by the air injection...
7484362 Decoupling hose for a motor vehicle exhaust system  
A method of avoiding damage to a decoupling hose mounted between two tubes of a motor vehicle exhaust system, said hose comprising a deformable inner portion, an outer sealing leakproofing portion...
7484358 Continuous reforming of diesel fuel for NOx reduction  
Raw diesel fuel is reformed to produce partially oxygenated hydrocarbons in the liquid fuel by use of a nonthermal plasma reactor. The reformed diesel fuel is formed by passing a stream of air...
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...
7484503 System and method for diesel particulate filter regeneration  
A method for regenerating a diesel particulate filter ( 20 ) in the exhaust system ( 16 ) of an engine ( 12 ). When a request to regenerate the device is issued, a control system ( 14 ) operates...
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...
7484357 Apparatus, system, and method for determining and implementing estimate reliability  
An apparatus, system, and method are disclosed for determining the reliability of an estimate such as particulate accumulation on a diesel particulate filter, weighing the estimate according to a...
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...
7484360 Exhaust gas control system for internal combustion engine and method for recovering filter thereof  
In the case where an operating state of an internal combustion engine ( 1 ) belongs to a filter forced recovery region, filter forced recovery is performed (S 106 ) when an amount of particulate...
7481045 Method for the post-injection of hydrocarbon-, alcohol- and/or reducing-agent-type regeneration solution (e.g. diesel fuel and/or urea and/or ammoniacal solution) for the regeneration of diesel engine exhaust gas filtration systems  
A post-injection method for the regeneration of a device used to filter diesel engine exhaust gases. The method includes injecting a fully-pulverized hydrocarbon-, alcohol- and/or...
7481048 Regeneration assembly  
A regeneration assembly includes a first portion including a combustion chamber connected to a combustor head. The regeneration assembly also includes a second portion including a housing. The...
7481039 Engine system and method for efficient emission control device purging  
Various systems and methods are disclosed for carrying out combustion in a fuel-cut operation in some or all of the engine cylinders of a vehicle. Further, various subsystems are considered, such...
7481044 Method for operation of an internal combustion engine running on hydrogen  
A method is provided for operating a bivalent internal combustion engine, which may run lean with using a fuel with wide inflammability limits, such as hydrogen, whereby a first lean region close...
7478528 Oxygen based particulate filter regeneration strategy  
A particulate filter regeneration method for an internal combustion engine system is provided. The method includes: receiving an outlet temperature signal corresponding to a temperature at an...
7475533 Exhaust gas purifying apparatus and method for controlling it  
The present invention provides an exhaust gas purifying apparatus 10 which can effectively purify an exhaust gas with the use of a plasma. The present exhaust gas purifying apparatus 10 ...
7475535 Diesel aftertreatment systems  
A method for improving NOx conversion efficiency of a Nox-reducing catalyst by determining an accurate amount of reductant required is presented. The method includes calculating an initial...
7475534 Method for controlling fuel injection and a motor vehicle  
The invention is directed to a method for controlling fuel injection in an internal combustion engine ( 10 ) having at least one electric machine ( 26 ), wherein a direct injection system ( 18 )...
7475536 Exhaust gas purifying apparatus for internal combustion engine  
An exhaust gas purifying apparatus for an internal combustion engine having an exhaust system. The apparatus includes a NOx purifying device provided in the exhaust system. This device removes NOx...
7469532 Diesel particulate filter (DPF) regeneration by electrical heating of resistive coatings  
An exhaust system that processes exhaust generated by an engine includes a diesel particulate filter (DPF) that is disposed downstream of the engine and that filters particulates from the exhaust....
Matches 101 - 150 out of 1887 < 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 >