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Matches 1 - 50 out of 3,052

Document Document Title
WO/2016/018886A1
A method includes providing a dosing command to adjust a dosing amount for an exhaust aftertreatment system; receiving selective catalytic reduction (SCR) inlet nitrous oxide (NOx) data and ammonia oxidation (AMOx) outlet NOx data; deter...  
WO/2016/015800A1
The invention relates to a method and to a control assembly (10) for operating an exhaust gas system of a vehicle in which measuring values are evaluated, which indicate a content of nitrogen oxides in an exhaust gas downstream of a cata...  
WO/2016/016141A1
A method of conditioning an exhaust after-treatment system (106, 107), the method comprising providing a power unit. The power unit comprises: an internal combustion engine (102) which produces exhaust; and an exhaust after-treatment sys...  
WO/2016/012005A1
It is an object of the present invention for a determination of the pressure in the exhaust system of an internal combustion engine to be realized with the least possible complexity. Said object is achieved according to the invention in ...  
WO/2016/010558A1
Exhaust after-treatment systems and methods are disclosed. An example system includes a selective catalytic reduction on filter (SCRF) and a selective catalytic reduction (SCR) catalyst positioned downstream of the SCRF. The system also ...  
WO/2016/006242A1
A device is provided, which makes it possible to perform accurate failure diagnostics for a filter of an internal combustion engine constructed to be capable of using both of gaseous fuel and liquid fuel. The device of the invention comp...  
WO/2016/007073A1
A method and a system for control of a combustion engine in a vehicle is presented. According to the present invention, at least one future speed profile vsin ICE off for an actual speed Vact of the vehicle is simulated during a road sec...  
WO/2015/197330A1
The invention relates to an apparatus (1) for producing ammonia from an ammonia precursor solution, e.g. a urea-water solution or urea, to be converted in a selective catalytic reaction catalyst (SCR catalyst), comprising a reaction cham...  
WO/2015/194155A1
The present invention provides a deterioration diagnosis apparatus for an exhaust gas purification apparatus, including a first sensor that measures the oxygen concentration of the exhaust gas flowing into the exhaust gas purification ap...  
WO/2015/191826A1
A system and method for using feed-back information, such as, for example, system-out NOx levels, to provide for closed-loop selective catalytic reduction control. A reference generation module may adjust an ideal SCR conversion value ba...  
WO/2015/185480A1
An injection system (115) for injecting a liquid medium (120) into an exhaust gas system (100) comprises a positive displacement pump (125) for delivering the medium (120), a drive device (130) for the positive displacement pump (125), a...  
WO/2015/182093A1
An exhaust purification system comprises a particulate filter 26, a selective reduction catalyst 28 which is provided at a downstream side from the filter, an ammonia ingredient feed device 32 which feeds an ammonia ingredient to the sel...  
WO/2015/182812A1
According to an embodiment of the present invention, a motive power apparatus including a selective catalyst reducing system comprises: a first engine for discharging exhaust gas containing nitrogen oxide; a first exhaust passage through...  
WO/2015/182694A1
A burner (20) includes a combustion unit (21), a fuel supply unit (22), a vaporizer (30), an air supply unit (45), and a control unit (50). The fuel supply unit (22) supplies fuel to the combustion unit (21). The vaporizer (30) uses an e...  
WO/2015/181602A1
An estimated trapped amount (PM) that is an estimated value of an amount of particulate matter that is trapped in a particulate filter (15) arranged in an engine exhaust passage is calculated based on an engine operating state, and PM re...  
WO/2015/179720A1
An aftertreatment system may treat exhaust gas discharged from an engine. The system may include first and second selective-catalytic-reduction (SCR) catalysts and a valve. The valve may be disposed upstream of the first SCR catalyst and...  
WO/2015/170031A1
The invention relates to a motor vehicle comprising a module (3) for the selective catalytic reduction of nitrogen oxide and a module (2) for the absorption of nitrogen oxide operating under lean operation conditions in the passive mode,...  
WO/2015/170032A1
The invention relates to a motor vehicle comprising an activation module comprising a body for measuring the quality of the nitrogen-oxide-reducing agent (10), the activation module (9, 10) being designed to switch a module (2) for the a...  
WO/2015/171059A1
The present invention provides a method and a system to monitor a quantity related to a particulate mass M in at least one exhaust pipe arranged downstream of at least one combustion engine. The system comprises a first determination dev...  
WO/2015/167138A1
The present invention relates to: a method for regenerating a catalyst for purifying compressed natural gas lean burn engine exhaust gas so that the catalyst for purifying compressed natural gas lean burn engine exhaust gas, which suppor...  
WO/2015/164454A1
A method includes determining, at a controller (140) having one or more processors, whether an ambient temperature (TAMB) is less than a predetermined temperature (TTH) indicative of frozen reductant in an exhaust system (100) of an engi...  
WO/2015/154640A1
An SCR injection metering module and a control method therefor. The module comprises a bracket (7), a pulse pump (1) mounted at one end of the bracket (7), an upper end cover (8) fixed at the other end of the bracket (7), a spray nozzle ...  
WO/2015/150458A1
The invention relates to a method for heating exhaust gas-conducting components in the exhaust gas tract of an internal combustion engine, in particular a self-igniting internal combustion engine. The aim of the invention is to simply an...  
WO/2015/150153A3
The present invention relates to a method for regenerating exhaust-gas aftertreatment systems capable of storing nitrogen oxides in lean exhaust gas, and in rich exhaust gas to reduce nitrogen oxides to nitrogen. The invention is used in...  
WO/2015/150153A2
The present invention relates to a method for regenerating exhaust-gas aftertreatment systems capable of storing nitrogen oxides in lean exhaust gas, and in rich exhaust gas to reduce nitrogen oxides to nitrogen. The invention is used in...  
WO/2015/149912A1
The invention relates to a method for operating a drive device that, for purifying of exhaust gas, comprises at least one catalytic converter having an oxygen storage, wherein upstream of the catalyst a pre-catalyst molecular mass of a f...  
WO/2015/147488A1
Disclosed are a method for regenerating a diesel particulate filter, and a diesel particulate filter regenerated thereby. A method for regenerating a diesel particulate filter according to an embodiment of the present invention comprises...  
WO/2015/144276A1
The invention relates to a method for operating an exhaust gas cleaning system (1) connected to an internal combustion engine of a motor vehicle, comprising an SCR catalyst (5) for catalyzed reaction of nitrogen oxides contained in the e...  
WO/2015/147521A1
A ship comprises: a hull; an engine for propelling the hull; a harmful substance reducing device for reducing harmful substances included in exhaust gas discharged from the engine; and a preheating device for the harmful substance reduci...  
WO/2015/144273A1
The invention relates to a method for operating an internal combustion engine (1) with an exhaust gas after treatment system (3), which comprises at least one particulate filter (5). The method is characterized by a parameter-controlled ...  
WO/2015/132644A1
A control apparatus for an internal combustion engine is provided. The control apparatus includes a temperature sensor and an electronic control unit. The temperature sensor is configured to detect the temperature of an exhaust gas contr...  
WO/2015/133092A1
In an exhaust gas purification apparatus for an internal combustion engine in which a filter for trapping PM, and a deflection unit for deflecting exhaust gas flowing into the filter, are arranged in an exhaust passage, in cases where a ...  
WO/2015/130217A1
According to the present invention a method and an exhaust treatment system, are provided for treatment of an exhaust, stream, which results from a combustion in a combustion engine, and comprises nitrogen oxides N0X. The method comprise...  
WO/2015/128053A1
The invention relates to a method for regenerating a particle filter (7) during the operation of an internal combustion engine (3), having the following steps: detecting at least one loading parameter (19, 21, 23) which is characteristic...  
WO/2015/130218A1
The present invention provides for a treatment of an exhaust stream (303), resulting from a combustion in a combustion engine (301 ). This exhaust stream (303) comprises nitrogen oxides ΝΟx, in which nitrogen monoxide NO and nitrogen d...  
WO/2015/127949A1
The invention relates to a method for determining the aging of an oxidation catalyst (7) in an exhaust gas aftertreatment system (3) of an internal combustion engine (1), having the following steps: ascertaining a soot burn rate (31) of ...  
WO/2015/123185A1
An engine exhaust after-treatment system including an exhaust passage including a plurality of legs, with an exhaust control valve being positioned at an inlet of each of the legs that is configured to control an amount of exhaust that e...  
WO/2015/120957A1
When the engine load changes, the change in the exhaust gas temperature may result in the conversion rate following the NO2 formation curve of a DOC. In certain temperature ranges, the conversion rates in the DOC, and thus the NO2 concen...  
WO/2015/113732A1
The invention relates to a method for setting the temperature of an exhaust gas aftertreatment device (1) connected to an internal combustion engine, comprising an electric heating element (5), an oxidation catalyst (6) which is connecte...  
WO/2015/115978A1
The present invention concerns a method in connection with the supplying of a first additive for treating an exhaust gas stream resulting from combustion in a combustion engine (101), wherein said first additive is supplied to said exhau...  
WO/2015/115979A1
The present invention concerns a method for correcting a supply of a first additive for reducing at least a first substance (NOx) present in an exhaust gas stream. The method comprises, in connection with said correction: - determination...  
WO/2015/110401A1
A method of controlling a catalytic exhaust system including a first catalytic unit located upstream of a second catalytic unit, comprising: i) providing a relationship between the temperature of the first catalytic unit, the amount of N...  
WO/2015/108730A1
An exhaust after-treatment system including an exhaust passage having at least a first portion and a second portion. An exhaust treatment component may be positioned within the exhaust passage between the first and second portions, and a...  
WO/2015/108472A1
The present invention provides a method and a system arranged for control of at least, one temperature Texhaust for an exhaust treatment system in a vehicle. The system comprises a first determination unit, which is arranged for the dete...  
WO/2015/108473A1
The present invention provides a method and a system arranged for control of at least one temperature T exhaust for an exhaust treatment system in a vehicle. The system comprises a first determination unit, arranged for the determination...  
WO/2015/097520A1
A filter collecting particulate matter in an exhaust gas and a urea supply valve disposed on an exhaust downstream side from the filter and supplying urea water for exhaust gas purification into an exhaust passage are disposed in the exh...  
WO/2015/099458A1
The present invention relates to an exhaust gas post-processing apparatus and a control method therefor. The exhaust gas post-processing apparatus and the control method therefor according to the present invention are provided with: a pr...  
WO/2015/090521A1
The invention relates to a method for operating an exhaust gas system of a vehicle in which an amount of a reducing agent to be supplied to the exhaust gas of an engine is determined. Measurements are evaluated which indicate a content o...  
WO/2015/092224A1
The invention relates to an exhaust system (8) of an internal combustion engine (7), comprising, upstream to downstream in the direction of flow of the combustion gases emanating from the engine, an exhaust pipe (11), an oxidation cataly...  
WO/2015/077221A1
An exhaust aftertreatment system may include a tank, an injector, a supply conduit, a pump, a pressure sensor, and a control module. The tank may contain a volume of a fluid. The injector may be configured to inject the fluid into a stre...  

Matches 1 - 50 out of 3,052