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WO/2021/177875A1 |
A method for a process of selective catalytic reduction, SCR, after-treatment (200) of an exhaust gas of an exhaust gas stream (131), the process (200) comprising the reduction (203) of nitrogen oxides of the exhaust gas stream (131) thr...
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WO/2021/176767A1 |
A cylindrical member 100 for an exhaust treatment device is provided with a cylindrical metallic member 10 and an insulation layer 20 that is provided on the inner circumferential surface of the cylindrical metallic member 10. The surfac...
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WO/2021/176671A1 |
Provided is a catalyst deterioration diagnostic device that is capable of detecting the degree of deterioration of a catalyst device with use of a single oxygen concentration sensor.　The catalyst deterioration diagnostic device has: an...
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WO/2021/176928A1 |
An electrically heated converter comprising: a columnar honeycomb structure formed from a conductive ceramic, said columnar honeycomb structure having an outer peripheral wall and partition walls that are installed on the inside of the o...
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WO/2021/176785A1 |
This electric heating-type carrier comprises: an outer peripheral wall; a columnar honeycomb structure made of ceramics, which is disposed inside the outer peripheral wall and has a partition wall partitioning a plurality of cells that f...
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WO/2021/176756A1 |
An electrically heated carrier comprising: a columnar honeycomb structure made of ceramic and having an outer circumferential wall and partition walls disposed inside the outer circumferential wall, the partition walls defining a plurali...
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WO/2021/175700A1 |
The invention relates to a water delivery module for injecting water into or upstream of the combustion chamber of an internal combustion engine, with a delivery unit having a pump for delivering the water from a tank, wherein the water ...
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WO/2021/176474A1 |
The present invention provides a housing (100) which encases a catalytic converter (200) mounted on exhaust pipe of a vehicle (400). The housing (100) has a first end (110) adapted adjacent to an inlet (210) of the catalytic converter (2...
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WO/2021/176881A1 |
This dust collector comprises: a gas pipe through which a gas to be processed flows from an upstream side to a downstream side; a plurality of collection parts which are provided to the gas pipe so as to collect target particles containe...
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WO/2021/173097A1 |
The present invention relates to a particulate cleaning system (1), which is used to retain particulate matter in exhaust gases discharged as waste in vehicles, essentially comprising at least one outer body (2) which is placed on the pa...
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WO/2021/170898A1 |
The invention relates to a method and apparatus for purifying flue gas (7) containing fine particles, in which method the flue gas (7) is cooled to below the condensation point of water vapour and the fine particles in the flue gas (7) a...
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WO/2021/173809A1 |
An exhaust header with an integrated heat shield is disclosed. In one aspect of the disclosure, the exhaust header comprises a body including an inner wall that defines a cavity through which exhaust gases can be routed. An outer wall is...
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WO/2021/170440A1 |
The invention relates to an air preheating system (10) which is arranged in an air circulation loop passing through a pollution control element of a combustion engine, characterized in that the preheating system (10) comprises an air hea...
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WO/2021/173357A1 |
An aftertreatment system comprises: a housing, a SCR system disposed in the housing. A mixer is disposed upstream of the SCR system and includes: a hub, a tubular member disposed circumferentially around the hub and defining a reductant ...
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WO/2021/170420A1 |
The invention relates to a method for diagnosing a coated particulate filter arranged in an exhaust channel of a motor vehicle, in which the following steps are carried out consecutively: identifying the need for a particulate filter reg...
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WO/2021/171715A1 |
The present invention comprises: a first inner tube 10 through which a first fluid can flow and which can accommodate a heat recovery member 40; an outer tube 20 positioned at a gap from the radially outer side of the first inner tube 10...
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WO/2021/172610A1 |
The present invention relates to a burning device for a smoke-reducing apparatus and a cleaning device using same and, more specifically, to a burning device for a smoke-reducing apparatus and a cleaning device using same, for reducing t...
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WO/2021/170293A1 |
An electric assist turbocharger unit (40) for use in an internal combustion engine (10), comprising a shaft (46) configured for torque- transmittingly connecting a compressor (42) to a turbine (44) of the turbocharger unit (40) and an el...
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WO/2021/172250A1 |
An exhaust purification device provided with: a casing (3C), which accommodates purification members (3A, 3B) for purifying exhaust from an engine mounted in a vehicle, and the exhaust circulation direction of which corresponds to a long...
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WO/2021/172829A1 |
The present invention relates to a method for removing residual chlorine, an SCR catalyst for reducing nitrogen oxides by the method, and a preparation method therefor and, more particularly, to a method for removing residual chlorine re...
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WO/2021/170919A1 |
The invention relates to a method for activating diagnostics of a catalytic converter arranged in an exhaust line of an internal combustion engine of the diesel engine type, said catalytic converter having an upstream temperature and dow...
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WO/2021/172450A1 |
According to the present invention, a management device 100 comprises: a data acquisition unit 122 that acquires, from a plurality of vehicles 1, cumulative data for each parameter related to a stress applied to a DOC33 for purifying the...
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WO/2021/170918A1 |
One aspect of the invention relates to a pollution control system (1) of exhaust gases for a petrol engine, comprising, from upstream to downstream of an exhaust line, a first three-way catalytic converter (2), a catalyst (5) constructed...
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WO/2021/169947A1 |
A particulate filter regeneration system and a control method thereof. The regeneration system comprises: an air inlet pipeline (100) connected to an air inlet of an engine (20); an exhaust pipeline (200) connected to an exhaust outlet o...
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WO/2021/166297A1 |
A honeycomb structure 100 that comprises: a plurality of columnar honeycomb segments 10 that have partitions 13 that form a plurality of cells 12 that constitute fluid channels that extend from a first end surface 11a to a second end sur...
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WO/2021/165982A1 |
The present subject matter provides a combustion engine (140) with a failure detection system (300) that is cost effective and has minimal components yet offering robust output. The system includes a first treatment device (206) and it i...
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WO/2021/165658A1 |
A method and apparatus (1) for treating a filter (2) for filtering particulate matter from 5 exhaust gas and a treated filter (2) are described. A reservoir (3) containing a dry powder (4) is provided. A vacuum generator (6) establishes ...
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WO/2021/166382A1 |
According to the technique disclosed herein, an exhaust gas purification catalyst exhibiting high exhaust gas purification performance can be provided using a novel material containing a rare earth. The exhaust gas purification catalyst ...
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WO/2021/166190A1 |
A dielectric drying method for ceramic compact 10, wherein a plurality of ceramic compacts 10 placed side by side on the upper surface of a receiving base 20 for drying in a direction perpendicular to the conveying direction L are convey...
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WO/2021/166699A1 |
An exhaust gas purification catalyst device provided with a base material and a front-side catalyst coat layer and a rear-side catalyst coat layer both arranged on the base material, in which the front-side catalyst coat layer has a leng...
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WO/2021/166309A1 |
An electrically heated carrier, provided with: a columnar honeycomb structure made of a ceramic, the columnar honeycomb structure having an outer peripheral wall and partition walls provided on the inner side of the outer peripheral wall...
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WO/2021/166191A1 |
Provided is a dielectric drying method, wherein a plurality of ceramic compacts 10 placed side by side in a direction perpendicular to the transport direction L on the upper surface of a drying cradle 20 are transported between an upper ...
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WO/2021/163863A1 |
Disclosed are an engine control method and device. The method comprises: determining the switching of an engine from a fuel cut-off working condition to a fuel supply working condition (S101); then acquiring the engine speed and the engi...
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WO/2021/162389A1 |
An apparatus for controlling the injection of a reductant for selective catalytic reduction comprises: a reductant injection module which is installed in an engine exhaust pipe and injects a reductant for reducing nitrogen oxides in exha...
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WO/2021/160694A1 |
Use of a paraffinic gasoil in a diesel fuel composition for reducing the amount of SCR reagent required by an SCR system fitted to a compression ignition internal combustion engine. The present invention has the advantage that the number...
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WO/2021/162437A1 |
The present invention relates to an exhaust gas after-treatment system for after-treatment of an exhaust gas. The exhaust gas after-treatment system according to an embodiment of the present invention comprises: a diesel particulate filt...
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WO/2021/160572A1 |
The invention relates to the cleaning of dry deposits of coating on wall-flow filter plugs by means of ultrasound.
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WO/2021/156409A1 |
Disclosed is a method for purging oxygen, during injection restart, in an exhaust catalyst of a motor vehicle provided with a direct injection and spark-ignition internal combustion engine, comprising injecting gasoline (46) into the exh...
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WO/2021/157746A1 |
This columnar honeycomb structure includes an outer peripheral wall, and porous separating walls which are arranged inside the outer peripheral wall, and which demarcate and form a plurality of cells that penetrate through from one end s...
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WO/2021/156272A1 |
The invention relates to a method for determining a temperature of a solenoid injector comprising a coil and a needle, when the solenoid injector is in a non-injection phase, the method being characterised in that it comprises the follow...
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WO/2021/157479A1 |
This porous composite (1) comprises a porous substrate (2) and a porous trapping layer (3) that is provided to a trapping surface (for example, the inside surface of a first cell (231)) of the substrate (2). The trapping layer (3) includ...
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WO/2021/155895A1 |
An apparatus (10) for use with a combustion apparatus (20) and an associated Selective Catalytic Reduction ('SCR') device (30), comprises a temperature sensing device (40) configured to measure the temperature of an exhaust (25) from the...
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WO/2021/154393A1 |
A method includes operating an engine system including a plurality of cylinders, a plurality of fuel injectors configured to provide fuel the plurality of cylinders, a compression braking system configured to selectably brake at least a ...
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WO/2021/154701A1 |
Disclosed herein are oxidation catalyst compositions comprising a first platinum group metal (PGM) component, a manganese (Mn) component, a first refractory metal oxide support material, and a metal component comprising yttrium, lanthanu...
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WO/2021/155088A1 |
Systems and methods for conditioning an aftertreatment system. For example, a computer-implemented method for conditioning an aftertreatment system of a hybrid system including an electric motor and a combustion engine includes: determin...
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WO/2021/151876A1 |
The present invention relates to a catalyst comprising two layers on an inert catalyst carrier, a layer A containing at least palladium as a platinum group metal, in addition to a cerium/zirconium/lanthanum/yttrium mixed oxide, and a lay...
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WO/2021/152491A1 |
A tank system (1) comprising a tank (2) which includes at least one wall (2a) defining a gap (3) adapted to house a urea solution, and being fluidically connected to an exhaust gas treatment system of a vehicle, the tank system (1) compr...
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WO/2021/148092A1 |
In order to prevent injury from hot exhaust gas, water is condensed by a metal net in the exhaust pipe.
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WO/2021/147859A1 |
A reaction device of an SCR system for ships. The reaction device comprises a conveying unit (110), a reaction chamber (120), at least one catalyst module (130), and an air equalizing chamber (140). The conveying unit (110) comprises an ...
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WO/2021/149370A1 |
Provided is an exhaust gas treatment device equipped with a tube reactor which has an exhaust gas intake port and an exhaust gas discharge port and to which a liquid for treating exhaust gas is supplied, and further equipped with a spinn...
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