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WO/2024/079299A1 |
The invention relates to an internal combustion engine (1) comprising a combustion chamber, a fuel injection circuit (60), a fresh gas intake line (20) equipped with at least one intake valve (17A), an exhaust line (80) for exhausting th...
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WO/2024/054178A1 |
The invention relates to a method of determining the driving conditions for emission optimisation in autonomous vehicles that calculate the required speed and acceleration values for the total optimum emission according to the road condi...
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WO/2024/047176A1 |
The invention relates to a method for operating a drive device (1) for a motor vehicle, said drive device having an exhaust gas-producing drive assembly and an exhaust gas aftertreatment device (2) for the aftertreatment of the exhaust g...
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WO/2024/047175A1 |
The invention relates to a method for operating a drive device (1) for a motor vehicle, said drive device having an exhaust gas-producing drive assembly and an exhaust gas aftertreatment device (2) for the aftertreatment of the exhaust g...
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WO/2024/049842A1 |
A system, method, and apparatus for reducing emissions are provided. A system can include an aftertreatment system including a catalyst, and a controller coupled to the aftertreatment system. The controller is configured to: receive temp...
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WO/2024/041199A1 |
A hydrocarbon ejection system and a treatment method therefor, and a vehicle exhaust post-treatment system. The hydrocarbon ejection system comprises a metering unit and an ejection unit, wherein an inlet of the metering unit is connecte...
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WO/2024/008269A1 |
A hydrogen combustion engine system (10) comprises a hydrogen combustion engine (15, 15') and an exhaust aftertreatment system, EATS, (20) configured to reduce emissions in the engine exhausts. The EATS comprises a selective catalyst red...
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WO/2024/002907A1 |
Disclosed is a preheating method for controlling the rise in temperature of an after-treatment device (100) of a motor vehicle that is driven at least partially by an internal combustion engine, characterised in that the preheating metho...
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WO/2023/244239A1 |
A method includes detecting a threshold reduction in performance of at least one heat exchanger of a discrete plurality of heat exchangers coupled to an exhaust circuit of a reciprocating engine. The discrete plurality of heat exchangers...
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WO/2023/227523A1 |
The present disclosure is directed to a hydrogen selective catalytic reduction catalyst composition effective for reducing nitrogen oxides using hydrogen gas, wherein the hydrogen selective catalytic reduction catalyst composition compri...
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WO/2023/225544A1 |
An internal combustion engine includes a cylinder head with an exhaust manifold configured to supply exhaust gas through a main exhaust outlet to a main exhaust aftertreatment system having a main catalytic converter, a bypass passage in...
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WO/2023/219373A1 |
The present invention comprises: an exhaust line that guides exhaust gas discharged from an engine including a vessel engine; and a cyclone coupled to a dust reduction line branched off from the exhaust line and including a blower, and p...
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WO/2023/209334A1 |
A method of treating exhaust gas from a lean burn internal combustion engine is disclosed. The method comprises: introducing ammonia or an ammonia precursor into the exhaust gas upstream of an Fe-SCR catalyst, the Fe-SCR catalyst compris...
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WO/2023/198288A1 |
The invention relates to an exhaust silencer system (6) for an armored multi-purpose vehicle (1), comprising: an exhaust silencer (7); a cooling-air guide housing (21) attached to the exhaust silencer (7); and an electrothermal converter...
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WO/2023/192615A1 |
A system, method, and apparatus for zero or low NOx emissions during a certain operating period are provided. A system can include an aftertreatment system including a catalyst. The system can include a pump coupled to at least an intake...
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WO/2023/153927A1 |
The invention provides a system (100) for converting a nitrogen oxide (11) to a nitrogen product (61), wherein the nitrogen oxide (11) comprises one or more of NO, NO2, and N2O, wherein the nitrogen product (61) comprises one or more of ...
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WO/2023/141293A1 |
A system, method, and apparatus for predicting and controlling tailpipe NOx conversion and ammonia slip based on degradation of an aftertreatment system. The aftertreatment system is coupled to a controller. The controller can be configu...
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WO/2023/134936A1 |
The invention relates to a method and to a control device (24) for operating a motor vehicle (10) and to a corresponding motor vehicle (10). According to the method, a quantity of heat emitted by a heating element (20) to an exhaust gas ...
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WO/2023/134683A1 |
A double-DPF regeneration control method. The method is applied to an engine aftertreatment system comprising double DPFs. The method comprises: when each DPF is detected to be in an active regeneration mode and an upstream temperature s...
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WO/2023/133035A1 |
The present disclosure relates to engines with multiple cylinder banks. Systems and methods are disclosed that relate to engine operations that balance the output from the cylinder banks to improve engine health and performance.
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WO/2023/125819A1 |
A urea pump, and a control method and control system for the urea pump, wherein the urea pump comprises: a liquid intake pipeline (10); an instant heating type filtering device (40), an inlet (45) of the instant heating type filtering de...
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WO/2023/118397A1 |
The present invention is related to a solid by-product reducing additive for a NOx reducing solution, wherein the solid by-product reducing additive is tripropyleneglycol-n- butylether. The present invention is further related to a NOx r...
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WO/2023/118826A1 |
The present invention relates to a compressed natural gas combustion and exhaust system comprising: (i) a natural gas combustion engine and (ii) an exhaust treatment system comprising an intake for receiving an exhaust gas from the combu...
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WO/2023/119170A1 |
A method for monitoring a thermal degradation state of a reducing solution contained within a reservoir (5) includes the steps of providing a first functional relationship associating a quantity indicative of a temperature (steps 104, 11...
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WO/2023/104336A1 |
A method of controlling temperature of an engine aftertreatment system includes directing an electric heater in the engine aftertreatment system to apply heat using a first temperature setpoint; while applying the heat at the first tempe...
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WO/2023/107227A1 |
A controller for use in an aftertreatment system that includes a doser configured to dose reductant into a decomposition chamber and a pump configured to supply the reductant to the doser is configured to be operatively coupled to the do...
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WO/2023/103469A1 |
A reducing agent evaporation and mixing system for a marine diesel engine SCR system. A reducing agent in a reducing agent storage tank (1) is conveyed to a metering unit (3) by means of a reducing agent pump (2), and then injected into ...
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WO/2023/104338A1 |
A vehicle hybrid powertrain includes an internal combustion engine; an electrical drivetrain; a selective catalytic reduction (SCR) device coupled to receive exhaust from the internal combustion engine; a fuel burner; and a control syste...
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WO/2023/104341A1 |
A method of heating an aftertreatment system includes fulfilling a vehicle drive load of a vehicle via an electrical drivetrain of a vehicle hybrid powertrain, wherein the vehicle hybrid powertrain comprises the electrical drivetrain and...
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WO/2023/094505A1 |
The invention relates to a method for managing the operation of an exhaust catalyst of an internal combustion engine, said method comprising the following steps: - determining the maximum oxygen storage capacity (OSC) of the catalyst in ...
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WO/2023/091071A1 |
A control device (100) and a method for deriving an engine-out NOx concentration in an exhaust system (10) comprising a SCR catalyst (13), a dosing device (14) for dosing a reductant, a first NOx sensor (18) arranged downstream of the do...
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WO/2023/060654A1 |
The present invention relates to the technical field of exhaust post-treatment, and particularly disclosed is a control method for the removal of PM in a DPF. The method comprises: according to the current quantity of PM in a DPF, determ...
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WO/2023/052915A1 |
Propulsion system comprising a Diesel engine (E) and an exhaust gas after-treatment device (ATS) operatively associated with an exhaust manifold of the Diesel engine (E), the after-treatment device (ATS) comprising in succession a Barium...
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WO/2023/046916A1 |
The invention relates to an adaptor module (30) for a motor vehicle (1) having an internal combustion engine (M), said vehicle (1) comprising a power supply module (20) able to provide electrical energy, and comprising a catalytic conver...
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WO/2023/045413A1 |
Provided in the present application are an engine control method, an engine control apparatus, and a vehicle. An engine comprises a heating apparatus, a jet apparatus and a catalytic conversion apparatus. The engine control method compri...
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WO/2023/037058A1 |
The invention relates to a method for controlling (1) an internal combustion engine (9) comprising an engine block (3) connected to an exhaust system (5) along which an upstream probe (7), a catalytic converter (6) and a downstream probe...
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WO/2023/025639A1 |
One aspect of the invention relates to a method (100) for cooling a urea feed pipe of a urea line, which comprises the steps of: - activating (101) a pump (18) to create a negative pressure in the urea line; - applying (102) an ambient p...
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WO/2023/025560A1 |
The invention relates to a feedthrough for an electrical conductor for electrically connecting an electrically heatable heating disc, in particular in an exhaust gas system of an internal combustion engine, through a housing, the feedthr...
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WO/2023/023172A1 |
An exhaust and filtration assembly includes: a housing; an exhaust vent configured to guide unfiltered air out of the exhaust and filtration assembly; a filter assembly configured to filter air and guide the filtered air out of the exhau...
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WO/2023/006690A1 |
The invention relates to an exhaust gas after treatment device (1) having a catalytic converter system (39) and a container (3), the catalytic converter system (39) being arranged in an interior space (35) of the container (3), wherein t...
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WO/2023/002019A1 |
The invention relates to an exhaust gas system unit (1) for an internal combustion engine, comprising a catalytic converter (2) having an inlet section (3) for introducing an exhaust gas flow (4) into the outer housing (2) and comprising...
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WO/2023/000166A1 |
The invention provides an exhaust after-treatment system (2) for a diesel engine (1), comprising an injection device (21) for injecting exhaust gas treatment agent and a controller (23) for controlling the injection device (21), wherein ...
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WO/2022/248674A1 |
Aspects of the present invention relate to controller (104) for controlling operation of a direct injection internal combustion engine (101) having a combustion chamber (103A) (103) for performing a plurality of operating cycles. The int...
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WO/2022/248672A1 |
Aspects of the present invention relate to an exhaust system (207) for exhausting combustion gases from an internal combustion engine (101). The exhaust system (207) includes an exhaust conduit (215) for conveying exhaust gases from the ...
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WO/2022/242894A1 |
Systems (8500) include a prime mover (8502) that generates power (8522) for a mobile vehicle (8504); a power converter (8510) that receives a portion of the generated power (8522), and provides configured electrical power (8524) to an af...
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WO/2022/238750A1 |
Described is a detection device (1) configured to detect the presence of an anti-particulate filter on a vehicle. The detection device (1) comprises a guard (2) and an inlet duct (3) extending away from the guard (2) and configured to al...
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WO/2022/229720A1 |
An exhaust gas aftertreatment (EAT) system (110) for receiving exhaust gases from an internal combustion engine has a diesel oxidation catalyst (DOC) (112) upstream and in close proximity to a diesel particulate filter (DPF) (114). A pre...
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WO/2022/232408A1 |
A heater control unit and wiring harness for coupling a battery to an exhaust after treatment system of an internal combustion engine. The heater control unit is configured with one or more capacitors and diodes to accommodate transient ...
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WO/2022/223893A1 |
The invention relates to an assembly comprising a heat engine (1) connected to an intake line (2) and an exhaust line (3), an air bypass line extending between a tapping point (2a) on the intake line (2) and a tapping point (3a) on the e...
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WO/2022/208516A1 |
The present invention is directed to a system (100) for determining an age of a catalytic converter (110). The system (100) includes a first lambda sensor (120), a second lambda sensor (140), and an Engine Control Unit (ECU) (150) couple...
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