WO2022201112A1 - Système de reformage d'éthanol pour générer de l'hydrogène et procédé pour générer de l'hydrogène par l'intermédiaire d'un système de reformage d'éthanol - Google Patents

Système de reformage d'éthanol pour générer de l'hydrogène et procédé pour générer de l'hydrogène par l'intermédiaire d'un système de reformage d'éthanol Download PDF

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Publication number
WO2022201112A1
WO2022201112A1 PCT/IB2022/052746 IB2022052746W WO2022201112A1 WO 2022201112 A1 WO2022201112 A1 WO 2022201112A1 IB 2022052746 W IB2022052746 W IB 2022052746W WO 2022201112 A1 WO2022201112 A1 WO 2022201112A1
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WIPO (PCT)
Prior art keywords
ethanol
engine
parameters
conditions
diesel
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PCT/IB2022/052746
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English (en)
Inventor
Gustavo Jùlio SOARES TEIXEIRA
Julio Cesar DE MELO
Antonio Marcos MACHADO DE SOUZA
Daniel Christoph KLEIN
Gilles Lucien Henri Alexis HARDY
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Fpt Motorenforschung A.G.
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Priority to EP22717904.1A priority Critical patent/EP4314534A1/fr
Priority to BR112023019602A priority patent/BR112023019602A2/pt
Publication of WO2022201112A1 publication Critical patent/WO2022201112A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
    • F02M26/36—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with means for adding fluids other than exhaust gas to the recirculation passage; with reformers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F02D19/06—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
    • F02D19/0626—Measuring or estimating parameters related to the fuel supply system
    • F02D19/0628—Determining the fuel pressure, temperature or flow, the fuel tank fill level or a valve position
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F02D19/06—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
    • F02D19/0639—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed characterised by the type of fuels
    • F02D19/0642—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed characterised by the type of fuels at least one fuel being gaseous, the other fuels being gaseous or liquid at standard conditions
    • F02D19/0644—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed characterised by the type of fuels at least one fuel being gaseous, the other fuels being gaseous or liquid at standard conditions the gaseous fuel being hydrogen, ammonia or carbon monoxide
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F02D19/06—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
    • F02D19/0639—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed characterised by the type of fuels
    • F02D19/0649—Liquid fuels having different boiling temperatures, volatilities, densities, viscosities, cetane or octane numbers
    • F02D19/0652—Biofuels, e.g. plant oils
    • F02D19/0655—Biofuels, e.g. plant oils at least one fuel being an alcohol, e.g. ethanol
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F02D19/06—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
    • F02D19/0663—Details on the fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
    • F02D19/0668—Treating or cleaning means; Fuel filters
    • F02D19/0671—Means to generate or modify a fuel, e.g. reformers, electrolytic cells or membranes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/0025—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/0025—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F02D41/0027—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures the fuel being gaseous
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/14—Introducing closed-loop corrections
    • F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
    • F02D41/1444—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases
    • F02D41/1446—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being exhaust temperatures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/14—Introducing closed-loop corrections
    • F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
    • F02D41/1444—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases
    • F02D41/1454—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being an oxygen content or concentration or the air-fuel ratio
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/30—Controlling fuel injection
    • F02D41/3094—Controlling fuel injection the fuel injection being effected by at least two different injectors, e.g. one in the intake manifold and one in the cylinder
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M25/00—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
    • F02M25/10—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture adding acetylene, non-waterborne hydrogen, non-airborne oxygen, or ozone
    • F02M25/12—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture adding acetylene, non-waterborne hydrogen, non-airborne oxygen, or ozone the apparatus having means for generating such gases
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2200/00—Input parameters for engine control
    • F02D2200/02—Input parameters for engine control the parameters being related to the engine
    • F02D2200/06—Fuel or fuel supply system parameters
    • F02D2200/0606—Fuel temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2200/00—Input parameters for engine control
    • F02D2200/02—Input parameters for engine control the parameters being related to the engine
    • F02D2200/10—Parameters related to the engine output, e.g. engine torque or engine speed
    • F02D2200/1002—Output torque
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2200/00—Input parameters for engine control
    • F02D2200/02—Input parameters for engine control the parameters being related to the engine
    • F02D2200/10—Parameters related to the engine output, e.g. engine torque or engine speed
    • F02D2200/101—Engine speed

Definitions

  • This invention concerns, in general, a new ethanol reforming system for generating hydrogen intended, in particular, for application in a diesel cycle engine, and also concerns a method for generating hydrogen through an ethanol reforming system applied to a diesel cycle engine.
  • combustion engines emit a high concentration of carbon dioxide - C02, which is one of the main pollutants present in the atmosphere and also one of the main ones responsible for the greenhouse effect.
  • carbon dioxide - C02 is one of the main pollutants present in the atmosphere and also one of the main ones responsible for the greenhouse effect.
  • companies propose numerous technical solutions ranging from proposals to treat gases expelled by internal combustion engines to a potential solution for these engines with technologies that are often very complex and expensive, which impede the widespread application thereof.
  • some solutions applied to combustion engines are also known aiming to reduce emissions through the provision of a catalytic device, known as a catalyzer, that transforms the highly polluting gases into less polluting gases.
  • a catalytic device known as a catalyzer
  • some of these models use an ethanol application so as to obtain hydrogen and a small portion of other components and thus reduce carbon dioxide - C02 - emissions in the atmosphere.
  • the known vehicles and machinery in the prior art that use internal combustion engines, in particular diesel cycle ones have systems consisting of very expensive structures, both for the application of internal combustion engines and for providing effective solutions, seeking to reduce the emission of pollutants into the atmosphere.
  • the known technologies currently available are lacking in efficient solutions that entail a system able to substantially reduce the levels of pollutant emissions in the atmosphere, in particular of carbon dioxide - C02 - and, in parallel, to obtain a configuration with low application costs as far as regards the consumption of fuel and, in addition, with suitable safety levels for use on public roads when alternative fuel sources, such as hydrogen, are used.
  • this invention aims to provide a new ethanol reforming system for generating hydrogen and a method for generating hydrogen in a reforming system, which are designed to be applied, in particular, to diesel cycle engines, consisting of the technical, construction, functional, and operational features aimed at resolving the problems, limitations, and drawbacks generated by the prior art, as indicated earlier, in order to obtain, thus, solutions capable of significantly improving the levels of polluting emissions in the atmosphere, of reducing the consumption of diesel fuels, and, moreover, of providing a safe way to use hydrogen as a complementary fuel to the diesel engine.
  • Figure 1 shows a schematic diagram of the ethanol reforming system for generating hydrogen, according to one embodiment of this invention
  • Figure 2 shows a flow chart of the method for generating hydrogen with an ethanol reforming system, according to operational aspects of this invention.
  • the terms that may be used such as vehicle, machinery, or equipment should be interpreted interchangeably to indicate any type of machine that functions using an internal combustion engine, particularly a diesel cycle internal combustion engine, such as, for example: vehicles in general, work and transport vehicles, farm and construction machines, power generation and transformation equipment, or any other type of machine comprising a diesel cycle internal combustion engine enabling the application of the ethanol reforming system for generating hydrogen according to this invention.
  • a diesel cycle internal combustion engine such as, for example: vehicles in general, work and transport vehicles, farm and construction machines, power generation and transformation equipment, or any other type of machine comprising a diesel cycle internal combustion engine enabling the application of the ethanol reforming system for generating hydrogen according to this invention.
  • the ethanol reforming system for generating hydrogen basically consists of a diesel cycle engine 10 equipped with combustion chambers 12 connected to a diesel fuel tank (not represented in the figures), the gas outlet ducts 14 of said combustion chambers 12 comprising two segments, the first a recirculation segment 14a and the second an exhaust segment 14b.
  • the recirculation segment 14a is connected to the air supply duct 16 of the diesel cycle engine 10 and is equipped with ethanol reforming equipment 18 consisting of a honeycomb catalytic converter 20 arranged downstream of an ethanol injector 22 that is in fluid communication with an ethanol tank 24 via ducts 24.
  • the ethanol reforming system for generating hydrogen also comprises an engine control unit 28, such as an electronic ignition control unit, which is connected to the lambda sensor 29 and temperature sensors 30 arranged along the exhaust segment 14b, in at least one engine speed and torque sensor 32, and in at least one ethanol level sensor 34 arranged in the ethanol tank 24, said control unit 28 being configured to receive the data from said sensors 30, 32, 34 and, based on predefined parameters, drive the ethanol supply pump 36 to inject ethanol through said ethanol injector 22 into the honeycomb catalytic converter 20, the moment in which the molecules break due to the flow of hot gases in the recirculation segment 14a and, as a result, cause the generation of hydrogen and other sub-products at a lower concentration, such as dimethyl ether.
  • an engine control unit 28 such as an electronic ignition control unit, which is connected to the lambda sensor 29 and temperature sensors 30 arranged along the exhaust segment 14b, in at least one engine speed and torque sensor 32, and in at least one ethanol level sensor 34 arranged in the ethanol tank 24, said control unit
  • the generated hydrogen is conducted to the combustion chambers 12 in order to replace, in part, the volume of diesel fuel that must be supplied, given that the hydrogen has a higher energy potential than diesel fuel and its energy balance enables the reduction of diesel fuel injection, obtaining the same energy and, at the same time, performing the same work with a significant reduction in C02 emissions in the atmosphere.
  • the temperature parameters of the exhaust gases identified by the temperature sensors 30 arranged in the exhaust segment 14b are of the order of 450- 540C, more particularly around 500C.
  • the engine speed parameters identified by the sensors 32 arranged in the diesel cycle engine 10 are of the order of 850 to 4000 rpm, more specifically around 2500 rpm, as the torque parameters of the diesel cycle engine 10 are of comprised between 250 to 450 Nm, more specifically around 350 Nm.
  • the honeycomb catalytic converter 20 arranged downstream of the ethanol injector 22 is a ceramic monolith adapted for applications in diesel cycle engines.
  • said ethanol tank 24 may comprise a temperature sensor 38 that is connected to a supply module 40 configured to monitor and transmit the data relating to the ethanol tank 24 to the engine control unit 28 and, in addition, drive the ethanol supply pump 36 to inject ethanol through said ethanol injector 22 into the honeycomb catalytic converter 20.
  • this invention also concerns a method for generating hydrogen through an ethanol reforming system applied to a diesel cycle engine, said method essentially comprising the following steps: a) starting the diesel combustion engine; b) controlling the conditions for the work flow of the ethanol reforming system; c) controlling the temperature of the exhaust gases in the exhaust segment; d) controlling the diesel engine working conditions; e) controlling the ethanol tank conditions; once all the conditions mentioned above have been checked and confirmed to be within the predetermined parameters, an engine control unit controls the following successive steps: f) injecting ethanol in the honeycomb catalytic converter of an ethanol reformer arranged in the recirculation segment of the exhaust gases of the combustion chambers for generating hydrogen, which is directed to the engine combustion chambers; g) monitoring the working torque of the diesel cycle combustion engine for adjusting the injection of diesel fuel into the engine combustion chambers.
  • step (b) of the hydrogen-generating method basically consists of the following steps: b) checking that all the conditions are within the predefined parameters for the work flow of the ethanol reforming system, b1) if any of the conditions is not within the predefined parameters for the work flow, waiting and repeating step (b); b2) if all the conditions are within the predefined parameters for the work flow of the ethanol reforming system, moving on to step (c).
  • step (c) checking that the temperature of the exhaust gases in the exhaust segment are within the predefined parameters; c1 ) if the temperature is not within the predefined parameters, waiting and repeating step (c); c2) if the temperature is within the predefined parameters, moving on to step (d).
  • step (d) for checking the working conditions of the diesel cycle engine of the hydrogen-generating method the working speed and torque of the diesel cycle combustion engine are identified, so that: d1 ) if the working speed of the engine is not within the predefined parameters, you wait and repeat step (d); d2) if the working speed of the engine is within the predefined parameters, you proceed with the following step; d3) if the working torque of the engine is not within the predefined parameters, you wait and repeat step (d); d4) if the working torque of the engine is within the predefined parameters, you proceed with step (e).
  • step (e) for checking the conditions of the ethanol tank you check, in particular, whether the ethanol level is within the predefined parameters and, thus: e1) if the ethanol level is not within the predefined parameters, you wait and repeat step (e); e2) if the ethanol level is within the predefined parameters, you move on to step (f).
  • step (g) for monitoring the working torque of the diesel cycle combustion engine it should be checked whether the working torque has increased and, in this case: g 1 ) if the working torque of the engine has not increased, you wait and repeat step (g); g2) if the working torque of the engine has increased, you adjust the injection of diesel fuel into the combustion chambers of the engine and return to step (b).
  • the exhaust gas temperature parameters identified in step (c) in the exhaust segment are of the order of 450 to 540C, more specifically around 500C.
  • the engine speed parameters identified during step (d) are comprised between 850 to 4000 rpm, more specifically around 2500, as the torque parameters of the diesel cycle engine are of the order of 250 to 450 Nm, more specifically around 350 Nm.
  • the ethanol reforming system for the generation of hydrogen and applied to a diesel cycle engine allows the use of hydrogen molecules as a fuel source for the engine 10, this generation and supply of hydrogen being controlled according to the demand for work, thus allowing the elimination of complementary tanks and tanks for the storage of a very large volume of hydrogen, which makes the solution much safer. Furthermore, with the system of the present invention, it is possible to significantly reduce the emission of pollutants, such as carbon dioxide - C02 and others, since the recirculation of gas takes place for a second combustion of these pollutants, as well as the reduction of diesel consumption. , which contributes to the reduction of the emission of pollutants usually emitted when using this type of fuel.
  • pollutants such as carbon dioxide - C02 and others
  • the method of hydrogen generation through an ethanol reformer applied to a diesel cycle combustion engine can achieve technical, functional and operational effects on diesel fueled engines so that, by controlling the temperatures of the exhaust gas and by monitoring the conditions of the engine's operating cycle, a control unit can manage the pumping and injection of ethanol into a honeycomb catalyst arranged in the engine gas recirculation segment, so that the molecules of ethanol "break down" generating mainly hydrogen, which enters the combustion chamber of the engine and therefore, since it includes a high amount of energy compared to diesel, it becomes possible to provide an energy balance to reduce the amount of diesel injected, thus obtaining the same energy, doing the same job, but significantly reducing C02 emissions.
  • the present invention allows the use of hydrogen as a substitute, at least in part, of the total volume usually injected of diesel fuel, without the need for a tank or tank to contain the hydrogen, aspect which eliminates significant accident risks.
  • the particular indicated ranges of temperature, speed and torque also allow, in particular synergy, to increase the above effects as they optimize the production of hydrogen.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Biotechnology (AREA)
  • Botany (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)
  • Hydrogen, Water And Hydrids (AREA)

Abstract

La présente invention concerne un nouveau système de reformage d'éthanol pour générer de l'hydrogène et un procédé pour générer de l'hydrogène dans un système de reformage, qui ont été conçus pour être appliqués, en particulier, à des moteurs à cycle diesel afin de fournir une solution alternative pour alimenter ces moteurs et, ainsi, réduire la consommation de carburant diesel et, en outre, les niveaux d'émissions polluantes. Plus spécifiquement, le système de la présente invention consiste en un moteur à combustion interne à cycle diesel (10) équipé de chambres de combustion (12) dont les conduits de sortie de gaz (14) comprennent deux segments : le premier est un segment de recirculation (14a) et le second est un segment d'échappement (14b) ; étant donné que ledit segment de recirculation (14a) est relié au conduit d'alimentation en air (16) du moteur à cycle diesel (10) et est équipé d'un équipement de reformage d'éthanol (18) consistant en un convertisseur catalytique en nid d'abeille (20) agencé en aval d'un injecteur d'éthanol (22). Le système comprend également une unité de commande de moteur (28) configurée pour traiter les signaux des capteurs de température de gaz d'échappement (30), des conditions de cycle de travail du moteur (32) et du réservoir d'éthanol (34) et, sur la base des paramètres prédéfinis, entraîner la pompe d'alimentation en éthanol (36) pour injecter de l'éthanol à travers ledit injecteur d'éthanol (22) dans le convertisseur catalytique en nid d'abeille (20).
PCT/IB2022/052746 2021-03-25 2022-03-25 Système de reformage d'éthanol pour générer de l'hydrogène et procédé pour générer de l'hydrogène par l'intermédiaire d'un système de reformage d'éthanol WO2022201112A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP22717904.1A EP4314534A1 (fr) 2021-03-25 2022-03-25 Système de reformage d'éthanol pour générer de l'hydrogène et procédé pour générer de l'hydrogène par l'intermédiaire d'un système de reformage d'éthanol
BR112023019602A BR112023019602A2 (pt) 2021-03-25 2022-03-25 Sistema de reforma de etanol para geração de hidrogênio e um método de geração de hidrogênio através de um sistema de reforma de etanol

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Application Number Priority Date Filing Date Title
BR1020210058463 2021-03-25
BR102021005846-3A BR102021005846A2 (pt) 2021-03-25 2021-03-25 Sistema reformador de etanol para geração de hidrogênio e processo para geração de hidrogênio através de um sistema reformador de etanol

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4735186A (en) * 1984-04-07 1988-04-05 Jaguar Cars Limited Internal combustion engine and a method of operating the engine
EP2216537A1 (fr) * 2007-11-02 2010-08-11 Toyota Jidosha Kabushiki Kaisha Moteur à combustion interne
FR2943734A1 (fr) * 2009-03-25 2010-10-01 Peugeot Citroen Automobiles Sa Procede de regeneration d'un module catalytique de vaporeformage dans une boucle de recirculation des gaz d'echappement et dispositif catalytique de vaporeformage
US20110132288A1 (en) * 2010-04-08 2011-06-09 Ford Global Technologies, Llc Engine Fuel Reformer Monitoring

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4735186A (en) * 1984-04-07 1988-04-05 Jaguar Cars Limited Internal combustion engine and a method of operating the engine
EP2216537A1 (fr) * 2007-11-02 2010-08-11 Toyota Jidosha Kabushiki Kaisha Moteur à combustion interne
FR2943734A1 (fr) * 2009-03-25 2010-10-01 Peugeot Citroen Automobiles Sa Procede de regeneration d'un module catalytique de vaporeformage dans une boucle de recirculation des gaz d'echappement et dispositif catalytique de vaporeformage
US20110132288A1 (en) * 2010-04-08 2011-06-09 Ford Global Technologies, Llc Engine Fuel Reformer Monitoring

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