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Patent Searching and Data


Matches 1 - 50 out of 3,291

Document Document Title
WO/2019/025870A1
A diesel exhaust system includes multiple injectors for providing diesel exhaust fluid to an exhaust to reduce NOx emissions. Two or more injectors provide DEF to the exhaust system of an engine. In one mode, the injectors alternately in...  
WO/2019/025129A1
The invention relates to a method and an SCR catalyst device for ascertaining the state of load of an SCR catalyst (110) located in an exhaust system of an internal combustion engine. The method of the invention involves acquiring the hy...  
WO/2019/019046A1
An injection amount control method and device for an SCR urea injection system in an engine. The method comprises: calculating, on the basis of an amount of an injected aqueous urea solution and an amount of consumed ammonia, a current a...  
WO/2019/020901A1
In a method for adapting an amount of reductant for controlling the nitrogen oxide pollution of gases in an exhaust line, a first alignment (1) of the amount of measured nitrogen oxides is carried out (Mcam SD, MCav SD) by the upstream a...  
WO/2019/020900A1
The present invention relates to a method for analysing the operation of an anti-pollution system for a motor vehicle (1) with an internal combustion engine, said vehicle (1) comprising at least one sensor for measuring (110) a parameter...  
WO/2019/016437A1
The invention concerns a method for launching a dysfunctional regeneration of a particle filter incorporated in an exhaust line of a controlled-ignition combustion engine of a motor vehicle, the method comprising a step of estimating a c...  
WO/2019/011842A1
The invention relates to an exhaust gas aftertreatment system for an internal combustion engine (10), in particular for an internal combustion engine (10) which is charged by means of a turbocharger (30) and spark-ignited by means of spa...  
WO/2019/012196A1
The invention relates to a method for estimating a charge of particulate soot in a combustion engine particulate filter, in which method: – a pressure gradient (d Pd V) is estimated by linear regression over a number of pairs of back-p...  
WO/2019/008057A1
A method of adaptively sampling data to determine the start of injection in a solenoid actuated valve of a fluid injector comprising : a) in an operating cycle or portion thereof of said valve, sampling the signal of current I through a ...  
WO/2019/001721A1
The present invention relates to a method for controlling a vehicle propulsion system. More particularly, the method estimates a future, upcoming driving condition (310) and controls the vehicle propulsion system to operate the prime mov...  
WO/2019/005668A1
A process for detecting reductant deposits includes accessing data indicative of signal output from a radiofrequency sensor positioned proximate a decomposition reactor tube; comparing the data indicative of signal output from the radiof...  
WO/2018/224220A1
The invention relates to a method for determining a status of an exhaust gas treatment element (100) for a motor vehicle, comprising the following steps: transmitting microwaves (112) of different frequencies in a first frequency range (...  
WO/2018/219476A1
The invention relates to a method for controlling the temperature of an NOx controlling component (10) in an exhaust after treatment system (1, 1') of an internal combustion engine (100). The NOx controlling component (10) has inner surf...  
WO/2018/219824A1
The invention relates to a method for determining the resonance frequency of an exhaust-gas aftertreatment system (2). A high-frequency excitation signal is produced with a frequency (f) that varies over a pre-defined frequency range and...  
WO/2018/214861A1
A burner diesel particulate filter (DPF) regeneration control and diagnostic device comprises: a diesel engine (101), connected to a burner (102) and a fuel tank (108); the burner (102) is connected to a particulate controller (107) via ...  
WO/2018/211186A1
The invention relates to a method for determining the transition to the zero liquid water state, called dew point, in an exhaust line of an internal combustion engine, characterised in that: - the calorific energy (Ecal) present in the e...  
WO/2018/200623A1
Systems and methods for removing accumulated soot in an aftertreatment system for an engine are disclosed herein. A method includes receiving an indication that an engine of a vehicle has been operating in a low load condition for more t...  
WO/2018/188379A1
A method for segmented voltage buildup of a tail gas post-processing system, at least comprising the following steps: S0: a step of determining whether an engine is started or not, and if the engine is started, executing step S1; S1: a f...  
WO/2018/189048A1
The invention relates to a method for controlling a metering device (4) for introducing a urea-water solution into an exhaust gas purification system (1) of an internal combustion engine (2), comprising at least the following steps: a) r...  
WO/2018/185655A1
The invention provides an emission control system for treatment of an exhaust gas stream of an engine, including an engine producing an exhaust gas stream; an SCR catalyst unit downstream from the engine and in fluid communication with t...  
WO/2018/184921A1
Method and system for the removal of nitrogen oxides, volatile organic compounds and particulate matter from engine exhaust gasat cold start conditions.  
WO/2018/185660A1
An integrated vehicle on-board system configured to generate hydrogen and to introduce the generated hydrogen into an exhaust gas stream of an internal combustion engine, the system including a water-splitting article configured to split...  
WO/2018/185663A1
An on-board vehicle reservoir containing an ammonia/organic solvent solution may be associated with a phase separator configured to isolate ammonia from the solution. The ammonia may be introduced into an exhaust gas stream of an interna...  
WO/2018/185665A1
The invention provides an emission control system for treatment of an exhaust gas stream that includes an oxidation catalyst composition disposed on a substrate in fluid communication with the exhaust gas stream; at least one selective c...  
WO/2018/185661A1
Systems for abatement of pollutants in an exhaust gas stream of an internal combustion engine including a hydrogen injection article configured to introduce hydrogen upstream of a catalytic article are effective for the abatement of carb...  
WO/2018/182486A1
A method and a system for control of a dosage device and/or an engine are presented. The engine produces an exhaust stream (203) being treated by an exhaust treatment system (250) by use of at least one additive being injected into the e...  
WO/2018/183318A1
In an assembly and methods for NOx reductant dosing with variable spray angle nozzle, according to various embodiments, a reductant dosage is calculated. A reductant delivery region in an exhaust stream area of an aftertreatment system a...  
WO/2018/171217A1
A pump (11) and nozzle (12) integrated device (1). The integrated device (1) comprises a pump module (18), a nozzle module (19), and a connection pipe (180) connecting the pump module (18) and the nozzle module (19). The pump module (18)...  
WO/2018/171213A1
An exhaust gas after-treatment system (100), comprising an exhaust gas after-treatment injection system (200) and an exhaust gas after-treatment packaging system (300). The injection system (200) comprises at least two pump (11) and nozz...  
WO/2018/171212A1
An exhaust gas after-treatment system (100), comprising an exhaust gas after-treatment injection system (200) and an exhaust gas after-treatment packaging system (300). The injection system (200) comprises a conveying system (203) used f...  
WO/2018/171214A1
An exhaust gas after-treatment system (100), comprising an exhaust gas after-treatment injection system and an exhaust gas after-treatment packaging system (300). The injection system comprises a pump (11) and nozzle (12) integrated devi...  
WO/2018/164951A1
Systems and methods for optimizing a performance variable for an engine system. The method includes applying constraints of manipulated variables as well as performance variables, mechanical constraints and other engine responses to resp...  
WO/2018/153673A1
A method and apparatus for heating an exhaust gas treatment system comprising a catalytic converter and a heat source, the catalytic converter having a first temperature above which the catalytic reaction is of high efficiency, whereby t...  
WO/2018/153619A1
An apparatus for reactivating a sulfur poisoned oxidation catalyst operating in the exhaust of a lean burn, methane source (as in natural gas) fueled combustion device as in an engine. The reactivation includes desulfation of the poisone...  
WO/2018/145740A1
The invention relates to a method and a control unit for controlling a hybrid driveline comprising an internal combustion engine (ICE) and at least one alternative propulsion unit. The method involves monitoring a predetermined first par...  
WO/2018/143867A1
The present disclosure relates to a method of compacting an ash deposited in a particulate filter (4) for a vehicle exhaust gas system, the method comprising the steps of: a) providing a low-temperature melting salt to the particulate fi...  
WO/2018/138314A1
A waste heat recovery system (12) for an engine exhaust system (14), the waste heat recovery system (12) being controlled by an energy management system (70). The waste heat recovery system (12) comprises an inlet for receiving hot exhau...  
WO/2018/133512A1
An integrated apparatus of a pump and a nozzle, comprising a pump component (18) and a nozzle component (19). The pump component (18) comprises a motor housing assembly (181), a magnetic cover component (6) and a pump housing assembly (1...  
WO/2018/134151A1
The invention relates to a method for regenerating a particulate filter or a four-way catalytic converter in an exhaust system of an internal combustion engine, in which method a rise in the nitrogen oxide emissions during regeneration o...  
WO/2018/130459A1
The invention relates to a method and a device, in particular a diagnostic unit for load diagnosis of a particle filter as a component of an exhaust gas cleaning system in the exhaust train of an internal combustion engine. Said method i...  
WO/2018/130541A1
The invention relates to a method for regenerating a particle filter in the exhaust gas tract of an internal combustion engine. In order to determine the laden state, the particle filter is divided into multiple regions, and at the same ...  
WO/2018/127401A1
The present disclosure relates to a system (1) for a vehicle (V). The vehicle (V) may have an internal combustion engine (2), such has a diesel engine. The system (1) has compressor (10) having an inlet (12) and an outlet (13) for supply...  
WO/2018/127633A1
The invention relates mainly to a method for protecting a particle filter (51) in an exhaust line (1) of an internal combustion engine (2), in particular of a motor vehicle, including a selective catalytic reduction system and a particle...  
WO/2018/127368A1
The invention relates to an exhaust manifold (5) for an internal combustion engine (2), comprising at least: at least two exhaust gas paths (6, 7) which are separated from one another, at least one receiving opening (8) for a flow guide ...  
WO/2018/124771A1
The present specification relates to a system for regenerating a diesel particulate filter (DPF) during operation of an engine-powered forklift and a method therefor. According to one embodiment of the present specification, the system f...  
WO/2018/120468A1
A diesel engine calibration method, comprising: obtaining the consumption amount of vehicle urea by means of a diesel consumption amount, and converting the consumption amount of vehicle urea into an equivalent diesel consumption amount,...  
WO/2018/114421A1
Selective catalytic reduction systems are known and are generally included in exhaust systems of diesel engines in order to treat the exhaust gases of such engines. Such systems involve the introduction of diesel exhaust fluid (DEF) into...  
WO/2018/114424A1
Selective catalytic reduction (SCR) systems are known and are generally included in the exhaust systems of diesel engines in order to treat the exhaust gases of such engines. Such systems typically involve the introduction of a diesel ex...  
WO/2018/114419A1
A method of treating exhaust gas in an exhaust passage using a selective catalytic reduction system is provided. The system comprises a hydrolysis catalyst (18) in the passage (12) upstream of a SCR catalyst (20), and a diesel exhaust fl...  
WO/2018/108775A1
The invention relates to a method for operating an electrically heatable catalytic converter in an exhaust gas system of a combustion engine having at least one honeycomb body, through which an exhaust gas stream can flow, and having at ...  

Matches 1 - 50 out of 3,291