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9038611 NOx feedback for combustion control  
A method for controlling combustion in an engine is provided. The method comprises under a first condition, adjusting an EGR amount of a total cylinder charge in response to engine out NOx levels...
9038369 Systems and methods for aftertreatment system diagnostics  
Methods and systems for diagnosing inadequate performance and/or degradation of one or more components of an aftertreatment system are disclosed, the components including at least an oxidation...
9038371 Arrangement and method for storing a reduction agent and supplying it to an exhaust gas system of an combustion engine and an internal combustion engine including such a system  
In a supply arrangement for supplying a solution containing a reducing agent, in particular urea, to an exhaust gas system of an internal combustion engine wherein a supply line extending from a...
9038376 Method for exhaust-gas aftertreatment with reduced emissions  
An exhaust-gas recirculation device for an internal combustion engine, a method for controlling an exhaust-gas recirculation device, a drive for a motor vehicle having an exhaust-gas recirculation...
9032717 Active diesel particulate filter regeneration system using non-work load and method thereof  
The present disclosure relates to an active diesel particulate filter (DPF) regeneration system of an engine, and more particularly, to an active DPF regeneration system and method, in which a...
9032715 Method of increasing volumetric throughput of internal combustion engines used in vapor destruction applications  
A method and device for controlling emissions of VOC's comprises transporting VOC's to an engine and transporting the exhaust from the engine into a manifold. Supplemental air is transporting into...
9032942 Control apparatus and control method for internal combustion engine  
A control apparatus for an internal combustion engine including a plurality of combustion chambers and a catalyst that cleans exhaust gases includes a controller configured to execute individual...
9032709 Method of forming a catalyzed selective catalytic reduction filter  
Provided is an emission treatment system and method for simultaneously remediating the nitrogen oxides (NOx), particulate matter, and gaseous hydrocarbons present in diesel engine exhaust streams....
9032708 Method of operating a fuel processor  
In situations where the demand for syngas is prolonged, a fuel processor is operated continuously to provide a syngas stream for a prolonged period. The equivalence ratio of reactants supplied to...
9032719 Particulate filter performance monitoring  
A method for particulate filter performance monitoring in an exhaust gas treatment system is provided. The method includes monitoring a current received from a soot sensor in the exhaust gas...
9027328 Exhaust gas purification system for vehicle and regeneration control method thereof  
An exhaust gas purification system and a regeneration control method thereof is configured to determine whether a regeneration condition of particulate filter is satisfied through vehicle...
9027329 Method for determining load of a particulate filter  
A particulate filter is monitored for a particulate matter load when fluidly coupled to an internal combustion engine. Monitoring of the particulate filter is achieved by determining a rate of...
9027530 Method of evaluating a fuel injector  
A method of calibration of at least one fuel injector for a fuel burner in an exhaust gas treatment system for an internal combustion engine is provided. The method is adapted for an exhaust gas...
9021793 Method for converting constituent gases in an internal combustion engine exhaust gas mixture and a vehicle incorporating the same  
A vehicle includes an internal combustion engine operatively disposed therein. The engine generates exhaust gases. The vehicle further includes an alternator operatively connected to the engine....
9021789 Degradation diagnostic apparatus for NOx catalyst  
A NOx amount capable of being absorbed by a criteria catalyst as a boundary between degradation and normality is supplied to a NOx storage reduction catalyst and thereafter, a reducer amount...
9021785 Engine system for increasing available turbocharger energy  
An engine system for a machine is disclosed. The engine system may have an intake manifold configured to direct air into a donor cylinder and a non-donor cylinder of an engine. The engine system...
9021791 Method for diagnosing a metering valve and device for carrying out the method  
A method for diagnosing a metering valve for metering a reagent into the exhaust gas region of an internal combustion engine. The metering valve is actuated by a pulse-width-modulated metering...
9021790 Recharge device and method for NH3 cartridge  
A device and method relating to the storage and delivery of ammonia for use in an after-treatment device for NOx reduction in an exhaust stream, is disclosed. The device includes a cartridge...
9016044 IC engine and method for operating an IC engine  
A method is provided for operating an internal combustion engine of a motor vehicle. The method includes, but is not limited to storing exhaust gas while the engine is working, and supplying the...
9016046 Internal combustion engine with exhaust-gas aftertreatment arrangement and method for operating an internal combustion engine of said type  
A method, comprising purging a storage catalytic converter of stored NOx by diverting only a portion of incoming exhaust flow around the catalytic device while increasing injection of reductant to...
9016043 Exhaust treatment system with urea temperature rationality diagnostic  
A method for monitoring an exhaust after-treatment system that doses an exhaust treatment fluid held from a tank into an exhaust stream. The method includes determining a first temperature of the...
9017626 Selective catalytic reduction catalyst system  
Described are SCR catalyst systems comprising a first SCR catalyst composition and a second SCR catalyst composition arranged in the system, the first SCR catalyst composition promoting higher N2...
9010087 Method and system for NOx sensor degradation  
Various systems and method for detecting exhaust NOx sensor degradation are disclosed. In one example, degradation of the NOx sensor is indicated responsive to reductant injection in an exhaust...
9011806 Method for treating a gas containing nitrogen oxides (NOx) using a composition comprising zirconium, cerium and niobium as a catalyst  
The invention relates to a method for treating a gas containing nitrogen oxides (NOx), in which an NOx-reduction reaction is carried out using a nitrogen-containing reducing agent, which invention...
9011807 8-ring small pore molecular sieve as high temperature SCR catalyst  
Described is a selective catalytic reduction catalyst comprising an iron-promoted 8-ring small pore molecular sieve. Systems and methods for using these iron-promoted 8-ring small molecular sieves...
9010096 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...
9010092 Method and apparatus for controlling urea injection amount of vehicle  
A method is provided for controlling a urea injection amount of a vehicle that controls urea injection in consideration of a difference between an internal temperature change rate and a...
9003776 Method for regenerating an exhaust after treatment device  
Methods and systems for regenerating an after treatment device are disclosed. In one example, the possibility of introducing fuel to oil during after treatment device regeneration is reduced. The...
9005560 NOx trap composition  
A method to produce a NOx trap composition, and its use in a NOx trap and in an exhaust system for internal combustion engines, is disclosed. The NOx trap composition is produced by heating an...
9003773 Vehicle and a method of updating aging of a selective catalytic reduction filter of an exhaust treatment system of the vehicle  
A vehicle and method of updating aging of a selective catalytic reduction filter (SCRF) of an exhaust treatment system of the vehicle are disclosed. The method includes determining a desorption...
9005559 Oxidation catalyst for internal combustion engine exhaust gas treatment  
The invention provides an exhaust gas cleaning oxidation catalyst and in particular to an oxidation catalyst for cleaning the exhaust gas discharged from internal combustion engines of compression...
9005558 Method and apparatus for exhaust gas control of an internal combustion engine  
An exhaust gas control apparatus for an internal combustion engine includes: a NOx purification catalyst arranged in an exhaust passage of the internal combustion engine; a degradation degree...
9003772 Method and control unit for metering fuel into an exhaust gas duct  
A method for metering fuel from a high pressure system, comprising at least one high pressure pump, one pressure accumulator and one high pressure injection valve, into an exhaust gas duct of an...
9003777 Methods and systems for an exhaust gas treatment system  
Various systems and methods are described for an engine system with an exhaust gas treatment system including a particulate filter. In one example method, accumulated hydrocarbons are removed from...
9003778 Exhaust fluid dosing control system and method  
A dosing control system for an exhaust system includes: a reductant fluid tank operable to contain a reductant solution comprising urea; an injector disposed in operable communication between a...
8997465 Method for purification of exhaust gas from a diesel engine  
The invention provides a method for purification of exhaust gas from a diesel engine in a system, which comprises a device for selective catalytic reduction and a diesel particulate filter...
8997467 System and method for post-shutdown temperature management and purge  
A machine includes an engine having a coolant system, an electrical system, and an exhaust system. A diesel exhaust fluid (DEF) injector provides DEF into the exhaust system. The DEF injector...
8999276 System and method for mixing of fluids  
A mixing element positioned at an exhaust outlet of a Selective Catalytic Reduction (SCR) module is provided. The mixing element includes a base plate having an upper surface and a lower surface....
8991153 Self-regenerating particulate trap systems for emissions and methods thereof  
A method and system for treating emissions includes charging particles in an exhaust stream, producing one or more radicals, and oxidizing at least a portion of the charged particles with at least...
8991161 DeNOx of diesel engine exhaust gases using a temperature-controlled precatalyst for providing NO2 in accordance with the requirements  
A process which solves the problem of supplying NO2 in accordance with requirements by means of temperature control of the precatalyst which is decoupled from the operating state of the engine. In...
8991155 Vehicle and a method of determining a reductant storage capacity set point of a selective catalytic reduction filter of an exhaust treatment system of the vehicle  
A vehicle and a method of determining a reductant storage capacity set point of a selective catalytic reduction filter (SCRF) of an exhaust treatment system of a vehicle are disclosed. The method...
8992869 Ammonia oxidation catalyst system  
A treatment device configured to receive a flow of exhaust from a power source is disclosed. The treatment device may have a first layer, a second layer, and a substrate layer. The first layer may...
8986636 Apparatus and method for filtering engine exhaust gases  
Embodiments of the invention provide an engine aftertreatment apparatus comprising first and second diesel particulate filters (DPFs), the first DPF being provided upstream of the second DPF, the...
8984861 Catalyst deterioration diagnosis method, method for purification of exhaust gas using the diagnosis method, catalyst deterioration diagnosis apparatus, and apparatus for purification of exhaust gas using the diagnosis apparatus  
A catalyst deterioration diagnosis method for diagnosing deterioration of a catalyst for purification of exhaust gas by using a test catalyst disposed in an exhaust gas flow path through which the...
8986635 Exhaust system for a lean-burn IC engine comprising a PGM component and a SCR catalyst  
Methods are disclosed for reducing or preventing a selective catalytic reduction (SCR) catalyst disposed on a first substrate monolith in an exhaust system of a lean-burn internal combustion...
8984881 Steam engine powered hydrogen oxygen generation system for an internal combustion engine  
A Steam Engine Powered System is provided which, when integrated with an internal combustion engine, generates hydrogen gases to provide an additional fuel source. The System's hydrogen is created...
8984860 Diesel engine and exhaust aftertreatment system and method of treating exhaust gases from a diesel engine  
In a diesel engine and exhaust aftertreatment system, a controller is arranged to control operation of the engine to obtain a first set of exhaust characteristics and to control a fuel injector to...
8978369 Exhaust gas aftertreatment module  
An aftertreatment module for the treatment of exhaust gasses from a power system includes a first aftertreatment brick and a second aftertreatment brick. The first and second aftertreatment bricks...
8980209 Catalyst compositions, catalytic articles, systems and processes using protected molecular sieves  
Described are catalyst compositions, catalytic articles, methods of manufacturing catalytic articles and exhaust gas treatment systems and methods that utilize the catalytic articles. The catalyst...
8978361 Apparatus for delivering a reducing agent and method for producing a motor vehicle  
A device for delivering a reducing agent, in particular a liquid urea-water solution, includes at least two of the following elements: a storage device (e.g. a tank), a delivery device (e.g. a...