Abstract:
The present invention relates to a heater for a vehicle system for injecting anaqueous solution in an air intake line upstream of a combustion chamber of aninternal combustion engine, or in the combustion chamber of the internal combustionengine, said heater comprising at least one flexible part which comprises at least onemetallic resistive track embedded in an insulating material, said insulating materialcomprising at least one antimicrobial compound and/or being coated by at least onelayer containing at least one antimicrobial compound. The invention relates also to avehicle system for injecting an aqueous solution in an air intake line upstream of acombustion chamber of an internal combustion engine, or in the combustionchamber of the internal combustion engine comprising said heater.
Abstract:
A vehicle system comprising a fuel cell, at least one container for the storage of ammonia precursor, and a first and second fuel generator. The first and second fuel generators are configured to convert the ammonia precursor into fuel for use in the fuel cell. The first fuel generator is configured to carry out the ammonia precursor conversion within a lower temperature range than the second fuel generator.
Abstract:
The invention relates to a method and system for generating ammonia on-board a vehicle with a component, such as an exhaust pipe or a component of a fuel cell. The method comprises: storing an ammonia precursor on-board the vehicle; during a first period associated with a first operating event: converting stored ammonia precursor into ammonia in a conversion area; during a consecutive second period associated with a second operating event, said second period comprising a cold period in which the temperature of the component is below a predetermined first threshold: transferring, during said cold period, of a predetermined volume of ammonia from the conversion area to a fluid storage area downstream of the conversion area and upstream of the component such that it is available for injection into the component; and after said transferring, converting stored ammonia precursor to obtain a further volume of ammonia in the conversion area.
Abstract:
It is proposed a vehicle system comprising: - a container (1) for the storage of ammonia solution; - a vehicle consuming unit (2); - a line (3) comprising at least one residence time chamber (4), arranged between said container (1) and said vehicle consuming unit (2), said container (1) being in fluid communication with said vehicle consuming unit (2) through the line (3), said residence time chamber (4) being arranged to be in thermal communication with a heat source on-board the vehicle characterized in that said heat source is the vehicle consuming unit (2) and in that said residence time chamber (4) forms loops coiled around the vehicle consuming unit (2).
Abstract:
The invention relates to a vehicle system for injecting an aqueous solution, said vehicle system comprising: a tank (500) for storing an aqueous solution; an injection system (300) configured for injecting aqueous solution from the tank (500) in an injection zone (Z) in the vehicle; and a UV light decontamination device (700) configured for decontaminating the aqueous solution stored in the tank (500) by emitting UV light.
Abstract:
A system, control module and method for use on board a vehicle, the system comprising: a decomposition tank configured to hold an initial ammonia precursor solution and an initial quantity of biological catalyst, wherein the biological catalyst is suitable for decomposing the ammonia precursor into ammonia; and a controller configured to control addition of ammonia precursor and/or biological catalyst to the decomposition tank; wherein the controller is configured to add a controlled amount of ammonia precursor and/or biological catalyst to the decomposition tank once the ammonia precursor in the initial solution in the decomposition tank has been at least partially decomposed.
Abstract:
It is proposed a module (100) for use on-board a vehicle. The module comprises a heater (50) and at least a first and a second storage compartment (10; 20; 30; 40; 20', 40'). The first compartment at least partially surrounds the heater (50), and the second compartment at least partially surrounds the first compartment. The first compartment is configured to perform a first function in a first temperature range, and the second compartment is configured to perform a second function in a second temperature range, said second temperature range being lower than said first temperature range. The first compartment is in fluid communication with the second compartment. One function of said first and second function is receiving an ammonia precursor, and decomposing the ammonia precursor using a catalyst to generate an ammonia solution.
Abstract:
The present invention relates to a vehicle system (80) configured for injecting an aqueous solution in an air intake line (12) upstream of a combustion chamber (14) of an internal combustion engine, or in the combustion chamber (14) of the internal combustion engine, said vehicle system (80) comprising the following constituents: ⋅ a tank (16) to store an aqueous solution; ⋅ a pump (18); ⋅ an air intake line (12) upstream of a combustion chamber (14) of an internal combustion engine; ⋅ one or more injectors (20) configured for injecting aqueous solution in the air intake line (12), in the combustion chamber (14) or both; ⋅ a feed line (22) configured for feeding said injector (20) with aqueous solution pumped by the pump (18). In the vehicle system, at least a portion of at least one of the vehicle system constituents (16, 18, 12, 20, 22) or of a tank (16) component (24) is made of a polymer material. The polymer material - comprises an effective amount of at least one antimicrobial agent, or - has on its surface a surface coating containing at least one antimicrobial agent, the surface coating comprising between 0.001 % by weight and 0.25 % by weight of the at least one antimicrobial agent.
Abstract:
The invention relates to a vehicle system for increasing the urea concentration of an aqueous urea solution on-board a vehicle. The vehicle system comprises: a tank (1) storing an aqueous urea solution having a first urea weight percentage; a dissolving system (1000) comprising a dissolving flow zone (3) with a solid urea bed, said dissolving system being configured for generating a flow of aqueous urea solution coming from the tank through the dissolving flow zone; said dissolving flow zone being arranged for guiding the flow of aqueous urea solution through the solid urea bed out of the dissolving flow zone; and a control device (2000) configured for controlling at least one parameter influencing the dissolving in the dissolving flow zone such that the aqueous urea solution leaving the dissolving flow zone has a second urea weight percentage which is higher than the first urea weight percentage.
Abstract:
A system for use on-board a vehicle, for performing a chemical reaction using a catalyst, the system comprising: a tank adapted for storing a fluid; a retaining unit retaining a catalyst for performing the chemical reaction, the retaining unit having an inlet section and an outlet section; a receiving part configured for removably receiving the retaining unit; the receiving part being provided with a first coupling section and a second coupling section which are removably couplable to the inlet section and the outlet section of the retaining unit, respectively forming an inlet coupling section and an outlet coupling section.