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WO/2021/086765A1 |
An electrical heater and method for heating a catalyst. The electrical heater includes a honeycomb body having a central axis extending longitudinally therethrough. The honeycomb body includes a matrix of intersecting walls forming a plu...
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WO/2021/084399A1 |
There is described a cooling system for a tractor exhaust after treatment. The cooling system comprising: a urea supply module have a first port and a second port; an exhaust system, wherein the exhaust system comprises an exhaust pipe, ...
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WO/2021/083633A1 |
The invention relates to a method for operating an exhaust gas cleaning system arranged in the exhaust line of an internal combustion engine and to an exhaust gas cleaning system. According to the method, a combination of electric cataly...
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WO/2021/080651A1 |
An exhaust system that includes a catalytic converter, selective catalytic reduction system, a muffler and, for certain applications, a diesel particulate filter that each include at least one filter that has an electric heating element,...
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WO/2021/081067A1 |
Systems and methods for treating automotive vehicle emissions on board an automotive vehicle include the use of waste heat recovery, electrochemical water splitting, phototcatalytic water splitting, and selective catalytic reduction. Was...
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WO/2021/080894A1 |
The present disclosure provides Low Temperature NOx-Absorber (LT-NA) catalyst compositions, catalyst articles, and an emission treatment system for treating an exhaust gas, each including the LT-NA catalyst compositions. Further provided...
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WO/2021/081065A1 |
Systems and methods for treating automotive vehicle emissions on board an automotive vehicle include the use of waste heat recovery, electrochemical water splitting, phototcatalytic water splitting, and selective catalytic reduction. Was...
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WO/2021/079556A1 |
Provided is a muffler comprising a honeycomb structure 1 inside a metal can. The honeycomb structure 1 comprises a honeycomb structure section 6 and mesh sealing parts 7. The honeycomb structure section 6 has an outer circumferential wal...
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WO/2021/080627A1 |
A catalytic converter includes at least one heating element that is configured to disrupt the direction of flow of exhaust gases which contain harmful toxic gases and pollutants and aid in removing and/or reducing said toxic gases and po...
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WO/2021/081087A1 |
Systems and methods for treating automotive vehicle emissions on board an automotive vehicle include the use of waste heat recovery, electrochemical water splitting, photocatalytic water splitting, and selective catalytic reduction. Wast...
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WO/2021/079706A1 |
A saddle-type vehicle (10) in which an exhaust pipe is passed through a position higher than a footrest where a foot of a rider rests and extends toward the rear comprises: an engine (38); a step (34) where the foot of the rider rests, t...
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WO/2021/075316A1 |
Provided is an exhaust gas purification catalyst in which a catalyst component (100) including a first oxide (21), a second oxide (22), and a noble metal (30) is loaded on a three-dimensional structure (10). Either the ratio of the amoun...
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WO/2021/074605A1 |
A compression ignition internal combustion engine for a heavy-duty diesel vehicle comprising an exhaust system comprising a composite oxidation catalyst (12, 42) upstream of a soot filter substrate (44, 50), the composite oxidation catal...
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WO/2021/075276A1 |
The present invention provides a catalyst that is for purifying exhaust gas and that comprises a substrate and a catalyst layer provided on the substrate. The catalyst layer contains silver, and an AlTi-containing oxide containing elemen...
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WO/2021/074441A1 |
A process for cooling a selective catalytic reduction (SCR) dozer (16) for a catalytic exhaust of an automotive vehicle, said process comprising, after an engine shut off, the following steps: a) at least a sequence of a phase, called pu...
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WO/2021/075189A1 |
A control device (100) performs a process including: a step (S100) for estimating a deposit amount of NOx in a NSR catalyst; a step (S104) for acquiring an engine speed (Ne) and a fuel injection amount (Q) when the deposit amount is larg...
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WO/2021/073536A1 |
Disclosed are a system and a method for urea supply and injection for a ship. The system comprises a urea storage device (10), a fluid conveying device (20), an injection device (30) and a fluid reversing device (40), wherein the fluid r...
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WO/2021/075211A1 |
This ceramic honeycomb structure has a large number of flow paths that are partitioned by porous partition walls and are formed in an axial direction, wherein: the partition walls have (a) a porosity of 52-63% and (b) in a fine pore dist...
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WO/2021/074652A1 |
A composite, zone-coated, ammonia and nitric oxide oxidation catalyst (12) comprising a substrate (5) having a total length L and two or more zones (1; 2) comprised of a first catalyst washcoat layer (9) and a second catalyst washcoat la...
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WO/2021/075313A1 |
This invention includes: a three-dimensional structure (10); and a catalyst component (100) including a porous body (21) and a precious metal complex (22) including platinum and palladium, the catalyst component (100) being supported on ...
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WO/2021/068945A1 |
A high-pressure SCR ventilation and pressure stabilisation system for a ship diesel engine, comprising an SCR reactor (10), a gas intake pipeline (20), an exhaust pipeline (30), a bypass pipeline (40), a pneumatic pipeline (50), a first ...
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WO/2021/069204A1 |
The invention relates to a method for diagnosing an after-treatment system of a spark ignition engine of a motor vehicle, comprising a three-way catalytic converter associated with a proportional upstream oxygen probe and a binary downst...
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WO/2021/069162A1 |
The invention relates to a method for pre-heating a catalytic converter with an electrically heated catalyst (EHC) arranged in the exhaust flow of a motor vehicle. The catalytic converter with the EHC is preheated to a maximum temperatur...
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WO/2021/071299A1 |
An exhaust gas post-processing system control device, according to embodiments of the present invention, is a device for controlling an exhaust gas post-processing system which is connected to an engine so as to process exhaust gas of th...
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WO/2021/069373A1 |
The invention relates to a method for operating a delivery-dosing system (10) for a fluid (1), wherein the fluid (1) is preferably a reducing agent for exhaust gas aftertreatment. The delivery-dosing system (10) comprises a pump (2) for ...
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WO/2021/070691A1 |
The present invention is a honeycomb unit comprising: a honeycomb body configured by laminating flat and corrugated metallic foils, a plurality of through holes being formed in the metal foils; and an outer cylinder housing the honeycomb...
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WO/2021/069264A1 |
The present invention relates to an internal combustion engine, comprising a primary air system (1) for providing fresh air and comprising a secondary air system (2), which is designed to divert secondary air from the primary air system ...
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WO/2021/070085A1 |
A Diesel Particulate Filter (DPF) assembly (700) configured to be incorporated in an exhaust gas stream, the DPF assembly (700) comprising: a quartz/composite ceramic mixture disposed as filter elements (502), mechanical support componen...
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WO/2021/069265A1 |
The present invention relates to an internal combustion engine, comprising a primary air system (1), for providing fresh air, and a secondary air system (2), which is designed to branch off secondary air from the primary air system (1) a...
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WO/2021/069494A1 |
The invention relates to a device for treating exhaust gases from an internal combustion engine (1), having at least one main catalytic converter (6) for chemically converting at least one exhaust gas component, a hydrocarbon trap (3) fo...
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WO/2021/070535A1 |
The present invention addresses the problem of efficiently warming a catalyst and maintaining the temperature of the catalyst. Provided is a drive system the drive system comprising: an internal combustion engine; a catalyst part that ...
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WO/2021/066461A2 |
An exhaust gas treatment apparatus is disclosed. An exhaust gas treatment apparatus according to one embodiment of the present invention comprises: a gas/liquid reactor, which makes an emission-regulated gas, included in exhaust gas, com...
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WO/2021/065238A1 |
The present invention provides an exhaust gas purification catalyst that has a base material and a catalyst layer 20, which is disposed on the base material and comprises a catalyst metal and a supporting material 21 for supporting the c...
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WO/2021/066463A1 |
The present invention relates to an SCR catalyst for removing nitrogen oxides (NOx) from exhaust gas, comprising: 0.01-70 wt% of zeolite having an average pore size of 5 Å or more; 25-90 wt% of titanium dioxide (TiO2); and 4-10 wt% of ...
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WO/2021/065059A1 |
Provided are an electrically heated carrier and an exhaust gas purification device in which the occurrence of cracks due to the difference in thermal expansion between a metal electrode and ceramics of a honeycomb structure can be satisf...
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WO/2021/065577A1 |
Provided are a selective reduction type catalyst, an exhaust gas purification device, and the like in which: a unit cost per catalyst coating amount is relatively inexpensive; NOx purification performance is improved under a condition wh...
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WO/2021/058291A1 |
The invention relates to a heating device (3) for a storage container with a urea reducing agent, comprising at least one electrically operatable heating element (6) and a heat distribution element (7) which is thermally coupled to the h...
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WO/2021/058360A1 |
Disclosed is a system (4) for injecting air into the exhaust of a combustion engine (3), comprising: - an air injection device (17), and - a solenoid valve (20), the air injection device (17) comprising a cylinder head (6) and a cylinder...
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WO/2021/059883A1 |
Provided is an exhaust-gas-purifying catalyst production method for purifying exhaust gas that is exhausted from an internal combustion engine, the method including: a substrate preparing step for preparing a wall-flow-type substrate 100...
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WO/2021/059794A1 |
Provided are a vehicle control system and an internal combustion engine control device capable of suppressing an increase in the number of times that motoring occurs. This vehicle control system is provided with a control device which im...
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WO/2021/060741A1 |
The present invention relates to an oxidative catalytic composition having improved oxidative activity due to the doping of a support with manganese, wherein the catalytic composition has significantly improved oxidative activity by appl...
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WO/2021/062418A1 |
A segmented, heated urea mixer and an exhaust system to control NOx emission from combustion engines comprising a plurality of elements, at least one element independently heatable by an external power source to a temperature above a tem...
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WO/2021/057592A1 |
Provided is an exhaust gas post-treatment package (100), comprising a housing (1) and a diesel particulate trap (3) positioned in the housing (1). The diesel particulate trap (3) comprises a first diesel particulate trapping module (31) ...
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WO/2021/057444A1 |
A method for quickly calibrating the SCR ammonia ratio factor of a diesel engine. The method comprises: selecting different reference point combinations according to the type of the diesel engine, respectively calculating a NH3 demand qu...
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WO/2021/054975A1 |
A system and method include determining, by a controller associated with an aftertreatment system, satisfaction of an enabling condition and in response to the satisfaction of the enabling condition, pausing, by the controller, hydrocarb...
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WO/2021/054538A1 |
The present invention relates to a system and method for injecting a reducing agent in a selective catalytic reduction reaction, wherein the conversion of ammonia from urea can be conducted very quickly by injecting urea directly into an...
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WO/2021/054018A1 |
This control device (10) comprises: a voltage value acquisition unit (11) for acquiring a sensor voltage value that is the value of the voltage applied to a pair of electrodes (221, 231) composing a particulate matter detection sensor (2...
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WO/2021/052806A1 |
Method for regenerating a particulate filter (7) of a pollution-control device (6) for a hybrid vehicle able to operate in an electric, heat-engine or combined mode of operation, the method comprising the following successive steps: dete...
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WO/2021/053278A1 |
The invention relates to a device for thermal conditioning of a high-voltage battery (B) for cold starting of the electric motor of a hybrid vehicle provided with a heat engine, a standard battery, a turbine (1), at least one compressor ...
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WO/2021/052808A1 |
A method is proposed for adjusting richness in an internal combustion engine equipped with a catalytic converter. The richness is adjusted by a first closed-loop controller to a setpoint (Cλ) which is continuously corrected by a second ...
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