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Matches 351 - 400 out of 2,978

Document Document Title
WO/2009/100353A2
An apparatus, system, and method are disclosed for efficiently increasing exhaust flow temperature for an internal combustion engine. The method (700,800) includes checking (702) whether a user input to disable an exhaust valve opening m...  
WO/2009/098419A3
The invention relates to a method for managing the operation of a device for the post-treatment of the exhaust gases of an internal combustion engine in a motor vehicle. The said device undergoes, alternately, according to a first mode o...  
WO/2009/100086A3
The disclosure sets forth a spark-ignition, direct-fuel injection internal combustion engine selectively operative at an air/fuel ratio lean of stoichiometry and fluidly connected to an exhaust aftertreatment system. The exhaust aftertre...  
WO/2009/095105A1
The invention relates to a method for calculating the switching pressure of a metering valve of a fuel metering device for metering fuel in an exhaust gas tract of an internal combustion engine with a device for the regeneration, tempera...  
WO/2009/089827A1
The invention relates to a method and to an associated device for operating a heat exchanger system for a motor vehicle. According to the invention, during the warm-up phase of the internal combustion engine and upon exceeding a maximum ...  
WO/2009/089936A1
Proposed is a method to determine a reducing agent amount (Rm) to be fed to an SCR catalyst (18) in an exhaust gas purification system (12) of an internal combustion engine (10) for the reduction of nitrogen oxides contained in the exhau...  
WO/2009/074380A1
The invention relates to a method for diagnosing a particle filter arranged in the waste gas line of an internal combustion engine, comprising the steps of: executing at least one fuel injection, measuring HC emission in the waste gas li...  
WO/2009/068771A1
The invention relates to a method for reducing the pollutant emissions of the engine of an automobile, including a method for managing a particle filter, including a normal operation phase during which the filter collects the soot partic...  
WO/2009/068881A1
An exhaust treatment system (16) is provided having a tank (24) configured to store a supply of reductant. The system also has a heat source (31) configured to heat the reductant and a diverter valve (40) configured to regulate the heat ...  
WO/2009/058338A1
A method of operating a generator set (10) includes steps of operating an internal combustion engine (12) of the generator set (10) and driving an electrical generator (14) of the generator set (10) with the internal combustion engine (1...  
WO/2009/053638A2
The invention relates to a process for controlling the injection of urea in a selective catalytic reduction, known as CR, system for treating nitrogen oxides, intended to be installed in the exhaust line (6) of a motor vehicle (1) engine...  
WO/2009/053806A2
To suppress clogging of an injection nozzle (50) that supplies fuel to an exhaust passage of an engine (1), a controller (25) executes intermittent addition of fuel from the injection nozzle (50). In executing the intermittent addition, ...  
WO/2009/053638A3
The invention relates to a process for controlling the injection of urea in a selective catalytic reduction, known as CR, system for treating nitrogen oxides, intended to be installed in the exhaust line (6) of a motor vehicle (1) engine...  
WO/2009/053806A3
To suppress clogging of an injection nozzle (50) that supplies fuel to an exhaust passage of an engine (1), a controller (25) executes intermittent addition of fuel from the injection nozzle (50). In executing the intermittent addition, ...  
WO/2009/055060A3
An internal combustion engine system includes: an engine with a plurality of pistons; a variable load driven by rotary power from the engine, the load including one or more of a pump, an air conditioner; and a fan; aftertreatment equipme...  
WO/2009/055060A2
An internal combustion engine system includes: an engine with a plurality of pistons; a variable load driven by rotary power from the engine, the load including one or more of a pump, an air conditioner; and a fan; aftertreatment equipme...  
WO/2009/047459A2
The invention relates to a system for desulphating a nitrogen oxide trap mounted in the exhaust line of an internal combustion engine (1) of the Diesel type for an automobile, equipped with a loop (21) for the partial recirculation of th...  
WO/2009/043711A1
The present invention relates to a method for the self-diagnosis of a particle sensor, comprising a measuring electrode system (1) located on the surface of the sensor and having at least two intermeshing interdigital measuring electrode...  
WO/2009/043425A1
The invention relates to a method for reducing the emission of nitrogen oxide (NO-2) in a motor vehicle comprising an exhaust gas purification system having an SCR catalytic converter (5). In an SCR catalytic converter (5) comprising ads...  
WO/2009/044045A2
The invention relates to a method for managing the operation of at least one catalytic converter (7) fitted in the exhaust line (3) of an internal combustion engine (1), said catalytic converter being bled off based on predetermined crit...  
WO/2009/040307A1
The invention relates to a method for controlling the introduction of reduction agents into an exhaust gas treatment system of an internal combustion engine comprising at least one SCR catalytic converter for removing nitrous oxides from...  
WO/2009/040488A1
The invention relates to a method for adjusting the temperature of a particle filter (5) in the exhaust line (1) of a diesel engine, said exhaust line (1) comprising: an inlet (2) for the exhaust gases from the diesel engine; a diesel fu...  
WO/2009/037327A1
The invention relates to a method for adapting the reducing agent feed in an exhaust gas aftertreatment system comprising an SCR catalyst for removing nitrogen oxides from the exhaust gas of an internal combustion engine and at least one...  
WO/2009/037406A1
The invention relates to equipment for regenerating a pollution control element such as a particle filter. The equipment includes an engine control calculator, a global positioning system, a system providing information on the road traff...  
WO/2009/034174A1
Method for controlling an injector inte nded for injecting a pollution-control liquid additive into the exhaust gases of an internal combustion engine at a flow rate governed by a given frequency and openi ng time of the injector, the in...  
WO/2009/034175A1
Method for heating a urea SCR system using at least two resistive heating elements (R1, R2), one of which (R1) is intended for heating one or some (part(s) of) component(s) always in contact with a substantial amount of urea and the othe...  
WO/2009/031600A2
The distribution of trapped particulate matter such as PM, which absorbs electromagnetic waves, is readily detected with a high accuracy by a non-destructive method. The steps of applying an electromagnetic wave with a frequency of sever...  
WO/2009/030346A1
The invention relates to an operating and diagnostic method for an SCR exhaust-gas aftertreatment system, which has an SCR catalytic converter (5) with ammonia storage capacity, of an internal combustion engine (1). In the method, a sign...  
WO/2009/030709A1
The invention relates to an internal combustion engine (14) which is equipped with an SCR system that comprises an SCR catalyst (23). In order to operate the internal combustion engine (14), an ammonia loading degree (NH3_LD) of the SCR ...  
WO/2009/031600A3
The distribution of trapped particulate matter such as PM, which absorbs electromagnetic waves, is readily detected with a high accuracy by a non-destructive method. The steps of applying an electromagnetic wave with a frequency of sever...  
WO/2009/024622A8
A selective catalytic reduction (SCR) catalyst control system and method for an engine is disclosed. Urea injection to an SCR catalyst is determined based on an SCR catalyst model, which determines a value of stored NH3 in the SCR cataly...  
WO/2009/024701A1
The invention relates to a system for managing a reagent dispensing device in the exhaust line of an engine, said circuit including a tank (1), an injection means (3), a means for conditioning the reagent, sensors capable of determining ...  
WO/2009/024622A3
A selective catalytic reduction (SCR) catalyst control system and method for an engine is disclosed. Urea injection to an SCR catalyst is determined based on an SCR catalyst model, which determines a value of stored NH3 in the SCR cataly...  
WO/2009/024622A2
A selective catalytic reduction (SCR) catalyst control system and method for an engine is disclosed. Urea injection to an SCR catalyst is determined based on an SCR catalyst model, which determines a value of stored NH3 in the SCR cataly...  
WO/2009/023368A1
A system is provided for removing particulate matter from a diesel particulate filter. The diesel particulate filter includes at least one diesel particulate filter unit to filter particulate matter from diesel engine exhaust gas receive...  
WO/2009/021847A1
In order to operate an internal combustion engine (14) of a motor vehicle, during a plurality of driving cycles of the motor vehicle at least one operating variable is recorded during each run. The operating variable is representative of...  
WO/2009/023474A1
A system (410") is provided for removing particulate matter from a diesel particulate filter (414"). The system includes an engine controller (429") coupled to a diesel engine (411"), and to a locomotive controller (444").The locomotive ...  
WO/2009/016822A3
An exhaust gas purifying system includes: a NOx trapping agent (2) which adsorbs nitrogen oxide when an excess air ratio of exhaust gas is more than 1, and releases nitrogen oxide when the excess air ratio is 1 or less; a NOx purifying c...  
WO/2009/016266A8
An oxidation catalyst temperature control system and method for an engine having an exhaust means including an oxidation catalyst is provided. A post fuel calculation means calculates a value representing a post quantity of fuel to be in...  
WO/2009/016266A3
An oxidation catalyst temperature control system and method for an engine having an exhaust means including an oxidation catalyst is provided. A post fuel calculation means calculates a value representing a post quantity of fuel to be in...  
WO/2009/016822A2
An exhaust gas purifying system includes: a NOx trapping agent (2) which adsorbs nitrogen oxide when an excess air ratio of exhaust gas is more than 1, and releases nitrogen oxide when the excess air ratio is 1 or less; a NOx purifying c...  
WO/2009/016266A2
An oxidation catalyst temperature control system and method for an engine having an exhaust means including an oxidation catalyst is provided. A post fuel calculation means calculates a value representing a post quantity of fuel to be in...  
WO/2009/010645A3
The invention relates to a reliable, simple and precise method for detecting the threshold thickness of a purely resistive material deposited on a sensor, and providing a response independent from the material resistivity. The invention ...  
WO/2009/007831A3
An exhaust gas control apparatus includes a PM trapping filter (31) provided in an exhaust gas passage (15) of an internal combustion engine (10), an oxygen concentration sensor (40) provided upstream of the filter, a device that estimat...  
WO/2009/007831A2
An exhaust gas control apparatus includes a PM trapping filter (31) provided in an exhaust gas passage (15) of an internal combustion engine (10), an oxygen concentration sensor (40) provided upstream of the filter, a device that estimat...  
WO/2009/004226A1
The invention relates to a system (10) for regenerating the pollution control means (12) with a filtration medium arranged in the exhaust line (14) of an automobile, said system (10) including means (18, 20, 22) for generating exothermic...  
WO/2009/005661A1
An engine system for a power unit (10) is disclosed. The engine system includes an exhaust system (14) having at least one exhaust treatment device (82, 84) and an air induction system (12) having at least one heater (40). The heater is ...  
WO/2008/157487A2
A diesel particulate filter assembly configured to be incorporated into an exhaust treatment device, the diesel filter assembly comprising: a ceramic media disposed about a center support defining an outlet flow path; a pair of end suppo...  
WO/2008/157487A3
A diesel particulate filter assembly configured to be incorporated into an exhaust treatment device, the diesel filter assembly comprising: a ceramic media disposed about a center support defining an outlet flow path; a pair of end suppo...  
WO/2008/153873A2
A diesel combustion engine comprises multiple particulate filters and corresponding exhaust piping and valving in the exhaust manifold and/or exhaust line, configured to enable regeneration to occur in one of the DPF filters through heat...  

Matches 351 - 400 out of 2,978