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Matches 151 - 200 out of 3,216

Document Document Title
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/2015/082673A3
It is proposed a method for loading or reloading a decomposition unit (2) of a SCR system, the SCR system being mounted on board a vehicle and comprising a filler pipe (7) in communication with the decomposition unit. The method is such ...  
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...  
WO/2015/072242A1
The risk of a particulate filter from being damaged is reduced while an increase in pressure loss of the particulate filter due to ash is suppressed. Micropore zones are defined at upstream sides of partition walls of a particulate filte...  
WO/2015/070950A1
The invention relates to a method for operating an exhaust gas purification system (1) for purifying an exhaust gas of an internal combustion engine, according to which, in a diagnostic operation, in directly successive operating phases ...  
WO/2015/067159A1
Disclosed is a compressed air-driven metering device of a tail gas clean-up post-treatment system of an internal-combustion engine. The compressed air-driven metering device comprises an air control valve (100), a first liquid cavity (20...  
WO/2015/068031A1
An exhaust gas control apparatus for an engine, the exhaust gas control apparatus includes a filter, a selective reduction catalyst, a reducing agent supply device and an electronic control unit. The filter is provided in an exhaust pass...  
WO/2015/060015A1
Micropore zones ZMI are defined at upstream sides of partition walls 72 of a particulate filter and macropore zones ZMA are defined at downstream sides of partition walls. The pore size of the partition walls at the micropore zones is se...  
WO/2015/040781A1
The production efficiency of ammonia is increased while avoiding the necessity for a user to supply water for himself/herself in order to produce the ammonia. An exhaust gas purification apparatus comprises a catalyst (3) which purifies ...  
WO/2015/042217A1
An aftertreatment system for treating exhaust gas discharged from a combustion engine may include a particulate filter, a reductant-injection system, an ammonia sensor and a control module. The particulate filter may be configured to fil...  
WO/2015/033519A1
An exhaust gas purification apparatus of an internal combustion engine is provided with a filter that collects PM in exhaust gas, a first accumulation amount obtaining unit that obtains an accumulation amount of PM (Mpm at S201), a secon...  
WO/2015/029612A1
In an internal combustion engine, a hydrocarbon feed valve (15) and an exhaust purification catalyst (13) are arranged in an engine exhaust passage. A first NOx removal method which reduces NOx contained in an exhaust gas by a reducing i...  
WO/2015/023477A1
A method of controlling an aftertreatment system having a SCR catalyst and communicating with an engine electronic control module (ECM) is provided. The method may receive a plurality of system values corresponding to NH3 and NOx emissio...  
WO/2015/019737A1
An internal combustion engine in which a hydrocarbon feed valve (15), exhaust purification catalyst (13), and NOX selective reduction catalyst (14) are arranged in an engine exhaust passage. A first NOX removal method which injects hydro...  
WO/2015/015260A1
An exhaust gas purification apparatus for an internal combustion engine (1), the exhaust gas purification apparatus includes a catalyst (40), a reducing agent supply mechanism (200), a dispersion plate (60), and a control unit (80). The ...  
WO/2015/011541A1
An exhaust emission control system that estimates a PM accumulation amount in a DPF and executes PM burning control for burning PM accumulated in the DPF when an estimated PM accumulation amount has reached a preset threshold includes a ...  
WO/2015/006194A1
One variation may include a method of controlling exhaust gas flow in an internal combustion engine system, and products and systems using same.  
WO/2014/205168A1
A supercharger exhaust bypass system comprises a supercharger comprising an inlet and outlet, a bypass valve connected to the supercharger outlet, a first intercooler connected to receive compressed air from the outlet of the supercharge...  
WO/2014/198386A1
The invention relates to a method and a device for operating an exhaust gas aftertreatment (300), wherein a diesel particulate filter (DPF) is regenerated during the operation, in particular passively regenerated, wherein a corrected dif...  
WO/2014/199044A1
The invention concerns a method for limiting the ageing of at least one catalyst in an exhaust line of a motor vehicle, said catalyst being located upstream of a particle filter, the temperature upstream of the filter being, during a reg...  
WO/2014/198360A1
The invention relates to a method for an exhaust-gas treatment system 300 having a diesel particle filter DPF, in particular for the operation of an internal combustion engine 1000 having an exhaust-gas treatment system, in particular an...  
WO/2014/196972A1
A system and method for controlling the regeneration of an exhaust gas particulate filter. When regeneration is initiated, an outlet temperature of an exhaust gas oxidation catalyst and an outlet temperature of the exhaust gas particulat...  

Matches 151 - 200 out of 3,216