WO2023097378A1 - Système d'alimentation en éthanol et biodiesel pour moteur à cycle diesel - Google Patents

Système d'alimentation en éthanol et biodiesel pour moteur à cycle diesel Download PDF

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Publication number
WO2023097378A1
WO2023097378A1 PCT/BR2022/050091 BR2022050091W WO2023097378A1 WO 2023097378 A1 WO2023097378 A1 WO 2023097378A1 BR 2022050091 W BR2022050091 W BR 2022050091W WO 2023097378 A1 WO2023097378 A1 WO 2023097378A1
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WO
WIPO (PCT)
Prior art keywords
ethanol
biodiesel
diesel cycle
fuel
cycle engine
Prior art date
Application number
PCT/BR2022/050091
Other languages
English (en)
Portuguese (pt)
Inventor
Dario Donizete SOUSA
Original Assignee
Sousa Dario Donizete
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from BR102021024153-5A external-priority patent/BR102021024153B1/pt
Application filed by Sousa Dario Donizete filed Critical Sousa Dario Donizete
Publication of WO2023097378A1 publication Critical patent/WO2023097378A1/fr

Links

Classifications

    • 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
    • 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
    • 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
    • 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
    • F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
    • 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
    • F02M43/00—Fuel-injection apparatus operating simultaneously on two or more fuels, or on a liquid fuel and another liquid, e.g. the other liquid being an anti-knock additive
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/40—Mixing liquids with liquids; Emulsifying
    • 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
    • F02D19/08—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 simultaneously using pluralities of fuels
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/30—Use of alternative fuels, e.g. biofuels

Definitions

  • the field of application of the invention is the automotive industry, more specifically in light, medium and heavy vehicles, which use Diesel cycle motorization.
  • Electric battery cells in the initial implementation phase, used in small vehicles weighing up to two tons, are also a clean energy option.
  • Another alternative is hybrid vehicles with combustion engines that generate energy for an electric motor.
  • vehicles with this technology do not have large load capacities.
  • the above solutions still require high investments in development, testing and infrastructure, such as, for example, the one aimed at electric vehicles that requires the expansion of supply networks, as well as the construction of fueling stations.
  • Butane gas reduces pollutant emissions by up to 95%, however there is a high time factor for production and the performance of vehicles that use this technology is compromised.
  • the aforementioned injection will occur when the piston is starting the upward movement, just above the PMI (bottom dead center), which will increase the amount of air or mixture to be compressed inside the cylinder, acting as if it had increased in volume, thus,
  • the final volume of air or mixture to be compressed will vary depending on the injection time, which will determine the injected amount of air or other inert gases or not, as determined by the unit.
  • control electronics depending on the readings of several parameters, generated from sensors, promoting maximum performance to the engine set.
  • the document BR 1020166009441-0 entitled “SYSTEM FOR BIODIESEL ENGINES” - essentially characterized by a system for operating biofuel diesel engines, whose function is to provide greater fuel economy (diesel) and reduction in the emission of pollutants, composed by 1 metering valve; 1 shut-off valve, 2 safety ball valves, 1 pressure and flow regulator, 01 pressure gauge and 01 presence sensor, the same being operated based on diesel oil, natural gas CNG and LPG.
  • Document BR 112018001722-1 entitled “VEHICLE DRIVE SYSTEM AND METHOD FOR OPERATING A VEHICLE DRIVE SYSTEM” comprises an internal combustion engine to drive a vehicle, in which the internal combustion engine comprises a combustion equipped with injectors for injecting diesel fuel into the combustion chamber; the vehicle drive system further comprises an electrolysis chamber for producing hydrogen gas and oxygen gas and a vacuum pump for sucking hydrogen gas and oxygen gas out of the electrolysis chamber.
  • the vehicle drive system also comprises a gassing tank in which volatile organic compounds, in particular methanol or ethanol, are gassed and a feed line for delivering a gas mixture to the combustion chamber, wherein said gas mixture Gas comprises gasified organic compounds and at least some hydrogen gas and oxygen gas.
  • the purpose of the present invention is to propose a power supply system for a diesel cycle engine that uses a combination of biodiesel and ethanol stored in different tanks;
  • the purpose of the present invention is to propose an ethanol and biodiesel feed system for a diesel cycle engine that can be installed in existing engines without changing the original design, simply by resizing the components responsible for energy transformation (liners, pistons, rings , seals and gaskets), injection system (injector units, injector nozzles, solenoid valves, pressurization mechanisms) and fuel management (electronic modules);
  • the purpose of the present invention is to propose an ethanol and biodiesel feed system for a diesel cycle engine that can be installed in new engines;
  • the purpose of the present invention is to propose an ethanol and biodiesel feed system for a diesel cycle engine that uses resources available on the market;
  • the purpose of the present invention is to propose an ethanol and biodiesel feed system for a diesel cycle engine with the power and torque of vehicles with a diesel cycle engine;
  • the purpose of the present invention is to propose an ethanol and biodiesel feed system for a diesel cycle engine, capable of using diesel and ethanol;
  • ETHANOL AND BIODIESEL SUPPLY SYSTEM FOR DIESEL CYCLE ENGINE consists of capturing biodiesel and ethanol, with dedicated additive, fuels stored in separate tanks of the vehicle, as well as the dedicated additive mixed in ethanol, which they are sent separately, by means of specific pumps, to the upper part of a mixing reservoir where they enter and fall on an intermediate cushioning screen responsible for mitigating the formation of bubbles.
  • the fuels, duly mixed go separately to the fuel pump for the main engine supply and to the auxiliary fuel pump for starting the engine.
  • the fuel return from the engine must pass through the cooling system and proceed to the miscegenation tank and then return to the fuel pump that supplies the main engine.
  • Level sensors, flow sensors and temperature sensors provide data for the electronic module to control, monitor and manage the volume of biodiesel and ethanol with dedicated additive delivered to the system.
  • the innovation of the invented feeding system is in achieving the miscibility of biodiesel and ethanol through the aforementioned components, for that to ethanol it is necessary to mix a dedicated additive with emulsifying particularities that results in a higher octane number and reduction of oxidation of this fuel .
  • the invented feeding system is also applicable to Diesel with ethanol, therefore, it must use an additive that makes the miscibility of both possible.
  • Figure 1 Schematic view of the main components of the biodiesel and ethanol feeding system for a Diesel cycle engine
  • Figure 2 Inverted schematic view of the main components of the biodiesel and ethanol feeding system for a Diesel cycle engine
  • Figure 3 Side view of the main components of the biodiesel and ethanol feeding system for a Diesel cycle engine
  • Figure 4 Opposite side view of the main components of the biodiesel and ethanol feeding system for a Diesel cycle engine
  • Figure 5 Top view of the main components of the biodiesel and ethanol feeding system for a Diesel cycle engine
  • Figure 6 Detail of the dedicated additive dosing tank for ethanol in the biodiesel and ethanol feed system for the Diesel cycle engine;
  • Figure 7 Partial perspective view of the miscegenation reservoir of the biodiesel and ethanol feed system for a Diesel cycle engine
  • Figure 8 Perspective view of the miscegenation reservoir of the biodiesel and ethanol feeding system for a Diesel cycle engine, in use;
  • Figure 9 Perspective view of the main pumping system and starting auxiliary of the biodiesel and ethanol feed system for a Diesel cycle engine
  • Figure 10 Schematic view of the cooling system of the main pumping system and starting auxiliary of the biodiesel and ethanol feed system for a diesel cycle engine.
  • THE “ETHANOL AND BIODIESEL POWER SUPPLY SYSTEM FOR DIESEL CYCLE ENGINE”, object of this invention patent application, consists of a system whose components allow the miscibility of biodiesel and ethanol plus a dedicated additive, for engine power (7 ) Diesel cycle, each fuel in its tank (1, 2) which separately after passing through the respective filters (13, 14) and pumps (8,9) go to a mixing tank (15) where they are mixed and then, without formation of air bubbles, in the form of a resulting fuel is directed by a hose (M3) to the feed pump (21) and a hose (M4) to one for the auxiliary feed pump (23) of the starter, while a hose (M6) routes the return fuel from the engine to the cooling system (26) and from there through a hose (M5) to the miscegenation tank (15) for redirection to the engine (7) Diesel cycle.
  • a hose (M3) to the feed pump (21)
  • a hose (M4) to one for the auxiliary feed pump (2
  • the claimed invention deals with a biodiesel feed system packaged in a specific tank (1) with ethanol also packaged in a separate tank (2), which is increased by an appropriate percentage of dedicated additive deposited in a reservoir (3 ) dosing whose function is to emulsify fuels, increase octane and reduce ethanol oxidation.
  • Both the biodiesel tank (1) and the ethanol tank (2) are designed for the storage of the respective fuels, that is, the original factory tanks (1, 2) of the vehicles in which the system is assembled and/or installed , tanks (1, 2) equipped with fuel level gauges (4, 5) that send signals to the electronic module (6), with the vehicle standard, which controls, monitors and manages the volume of biodiesel and ethanol with dedicated additive delivered to the engine (7) biodiesel cycle through common hoses/pipes.
  • the fuel level gauges (4, 5) act, together with the electronic module (6), in order to activate the pumps (8, 9) for draining biodiesel and ethanol with a dedicated additive already dosed, respectively.
  • the dosing tank (3) is complemented by a pump (10) for draining the dedicated additive followed by a flow meter (11) that regulates the amount of product to be inserted into the ethanol tank (2), in addition to a fuel level gauge (12) that reads the level in the minimum position of the dosing tank (3) and sends this signal to the electronic module (6).
  • a pump (10) for draining the dedicated additive followed by a flow meter (11) that regulates the amount of product to be inserted into the ethanol tank (2), in addition to a fuel level gauge (12) that reads the level in the minimum position of the dosing tank (3) and sends this signal to the electronic module (6).
  • a fuel level gauge (12) that reads the level in the minimum position of the dosing tank (3) and sends this signal to the electronic module (6).
  • the operator must top up the dedicated additive level.
  • Biodiesel and ethanol filters (13, 14) with dedicated additive precede the drain pumps (8, 9), which guarantees the purity of the fuels that follow separately through the hoses (M1, M2) towards the mixing tank (15 ) configured by a regular prismatic body (16) with two upper side inlets, an upper inlet (17) for biodiesel and another upper inlet (18) for ethanol with the dedicated additive. From this point on, biodiesel and ethanol with a dedicated additive are mixed by being poured onto an intermediate damping screen (19) which has the function of mitigating the formation of bubbles inside the mixing tank (15).
  • miscegenation tank (15) When the fuels fall on the damping screen (19) they are spread out so that they do not pass straight to the bottom, under the screen, which would create air bubbles and even creating small and few bubbles, there is no risk of them being collected at this lower level of said miscegenation tank (15), either through the side outlet (20) that takes the resulting fuel through a hose (M3) to the main feed pump (21) of the engine (7) diesel cycle or through the intermediate outlet (22) through the hose (M4) to the auxiliary feed pump (23) of the starter motor.
  • the side entrance (24) is between the external wall (27) of the mixing tank (15) and a separating plate (28) of air bubbles provided with holes (29) in its upper line.
  • a separating plate (28) of air bubbles provided with holes (29) in its upper line.
  • the breather (31) is fundamental in the sense of inhaling and exhaling air according to the need to change the volume of fuel inside the mixing tank (15) both for consumption and for supply, avoiding creating pressure in the system.
  • a level sensor (32) has the purpose of reading the fuel level in the mixing tank (15) in the minimum position, when it sends a signal to the electronic module (6) to turn on the pumps (8, 9 ). On the other hand, at the maximum reading position of the level sensor (32) the signal sent to the electronic module (6) is to turn off the pumps (8, 9).
  • a temperature sensor (33) has the purpose of collecting the temperature of the fuel in the miscegenation tank (15) and sending it to the electronic module (6), which will process the information to interfere with the operation of the cooling system (26) according to the programmed algorithm.
  • the hose (M3) Before reaching the main feed pump (21), the hose (M3) connects to a fuel mixture sensor (S1) whose purpose is to measure the fuel mixture content and send the data to the electronic module (6 ) injection.
  • the mixing tank (15) inserts more or less dedicated additive into the ethanol tank (2), taking into account the torque that the vehicle is demanding.
  • the auxiliary power pump (23) of the starter motor is intended to replace the fuel that is normally pressurized inside the flute/ruler usually coupled to the engine (7) Diesel cycle to feed the injector system. It is necessary for this process to make the vehicle run the engine (7) Diesel cycle quickly, avoiding problems resulting from air intake or high fuel temperature. In this way, the fuel enters the flute/meter at a higher pressure than the fuel return valve of the engine (7) Diesel cycle, passing first through the check valve (A) which maintains the pressure.
  • the cooling system (26) consisting of a fan (34), a radiator (35) and an air inlet duct (36), an air outlet duct (37) has a sensor
  • the electronic module (6) receives all information from the installed sensors and the CAN network of the engine (7) Diesel cycle and controls, monitors and manages, according to its programming and tables, the devices installed in the vehicle including the network CAN. [00038]
  • the electronic module (6) also has the function of reading all the data that travel on the CAN network and sensors installed and transmit the information collected by radio or cable system, through the telemetry system to feed a database whether in the cloud, or local server that can support a data analysis platform.
  • the power system can be used with Diesel and ethanol, for which reason Diesel is stored in its own tank (not shown) and following the entire path described for biodiesel with the differential of using a dedicated additive that allows the miscegenation of these fuels.

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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)
  • Output Control And Ontrol Of Special Type Engine (AREA)

Abstract

L'invention consiste en un système dont les composants permettent le mélange de biodiesel et d'éthanol avec ajout d'un additif dédié, pour l'alimentation d'un moteur (7) à cycle diesel, chaque carburant dans son réservoir (1, 2), après avoir passé par les filtres respectifs (13, 14) et les pompes (8, 9), étant acheminé séparément vers un réservoir de mélange (15), les carburants étant alors mélangés sans formation de bulles d'air pour former un carburant qui est dirigé par un tuyau (M3) vers la pompe d'alimentation principale (21) et par un tuyau (M4) vers une pompe d'alimentation auxiliaire (23) du démarreur, tandis qu'un tuyau (M6) achemine le carburant de retour du moteur vers le système de refroidissement (26), puis par un tuyau (M5) vers le réservoir de mélange (15) en vue d'un réacheminement vers le moteur (7) à cycle diesel.
PCT/BR2022/050091 2021-11-30 2022-03-16 Système d'alimentation en éthanol et biodiesel pour moteur à cycle diesel WO2023097378A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BRBR1020210241535 2021-11-30
BR102021024153-5A BR102021024153B1 (pt) 2021-11-30 Sistema de alimentação de etanol e biodiesel para motor ciclo diesel

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WO2023097378A1 true WO2023097378A1 (fr) 2023-06-08

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Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BRPI0003419A (fr) * 2000-07-26 2002-02-26
WO2006037155A2 (fr) * 2004-10-04 2006-04-13 Paul Gerard Joseph Johnston Procede et dispositif de co-alimentation pour moteurs diesel
WO2007038835A1 (fr) * 2005-10-05 2007-04-12 Kruger Ventures Pty Ltd Système d'alimentation en carburant pour un moteur à allumage par compression
WO2007109914A1 (fr) * 2006-03-24 2007-10-04 C4 Energie Ag Dispositif pour l'acheminement régulé de différents combustibles liquides en vue de leur combustion interne dans un moteur diesel ou dans plusieurs moteurs diesel
DE102007051677A1 (de) * 2007-10-26 2009-04-30 Karlheinrich Winkelmann Verfahren und Vorrichtung zur Erzeugung und Beförderung eines Mischkraftstoffes
CN201513268U (zh) * 2009-10-10 2010-06-23 刘桂民 多缸柴油机双泵燃料供给系统
JP2010138769A (ja) * 2008-12-10 2010-06-24 Chugoku Electric Power Co Inc:The ディーゼルエンジンの燃料供給装置及びそれを備えたディーゼルエンジン、並びにその燃料供給方法
CN102278216A (zh) * 2011-05-26 2011-12-14 上海交通大学 多模式多燃料燃烧系统
CN203321684U (zh) * 2013-06-28 2013-12-04 贵阳学院 一种乙醇-柴油双直喷发动机
CN108533422A (zh) * 2018-01-23 2018-09-14 中国第汽车股份有限公司 一种醇类发动机掺水喷射系统及掺水喷射方法
CN110318892A (zh) * 2019-06-26 2019-10-11 哈尔滨工程大学 一种乙醇熏蒸/柴油双燃料发动机多模式燃烧组织方法
CN110848013A (zh) * 2019-10-17 2020-02-28 江苏大学 一种醇-柴油双燃料发动机智能热管理系统及控制方法
CN111379618A (zh) * 2020-03-03 2020-07-07 天津大学 一种可调节燃料辛烷值的发动机及控制方法
CN212690211U (zh) * 2020-08-03 2021-03-12 无锡威孚高科技集团股份有限公司 一种甲醇柴油双燃料高压直喷系统
US20210156321A1 (en) * 2019-08-09 2021-05-27 Tianjin University Diesel methanol combined combustion engine and control method thereof

Patent Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BRPI0003419A (fr) * 2000-07-26 2002-02-26
WO2006037155A2 (fr) * 2004-10-04 2006-04-13 Paul Gerard Joseph Johnston Procede et dispositif de co-alimentation pour moteurs diesel
WO2007038835A1 (fr) * 2005-10-05 2007-04-12 Kruger Ventures Pty Ltd Système d'alimentation en carburant pour un moteur à allumage par compression
WO2007109914A1 (fr) * 2006-03-24 2007-10-04 C4 Energie Ag Dispositif pour l'acheminement régulé de différents combustibles liquides en vue de leur combustion interne dans un moteur diesel ou dans plusieurs moteurs diesel
DE102007051677A1 (de) * 2007-10-26 2009-04-30 Karlheinrich Winkelmann Verfahren und Vorrichtung zur Erzeugung und Beförderung eines Mischkraftstoffes
JP2010138769A (ja) * 2008-12-10 2010-06-24 Chugoku Electric Power Co Inc:The ディーゼルエンジンの燃料供給装置及びそれを備えたディーゼルエンジン、並びにその燃料供給方法
CN201513268U (zh) * 2009-10-10 2010-06-23 刘桂民 多缸柴油机双泵燃料供给系统
CN102278216A (zh) * 2011-05-26 2011-12-14 上海交通大学 多模式多燃料燃烧系统
CN203321684U (zh) * 2013-06-28 2013-12-04 贵阳学院 一种乙醇-柴油双直喷发动机
CN108533422A (zh) * 2018-01-23 2018-09-14 中国第汽车股份有限公司 一种醇类发动机掺水喷射系统及掺水喷射方法
CN110318892A (zh) * 2019-06-26 2019-10-11 哈尔滨工程大学 一种乙醇熏蒸/柴油双燃料发动机多模式燃烧组织方法
US20210156321A1 (en) * 2019-08-09 2021-05-27 Tianjin University Diesel methanol combined combustion engine and control method thereof
CN110848013A (zh) * 2019-10-17 2020-02-28 江苏大学 一种醇-柴油双燃料发动机智能热管理系统及控制方法
CN111379618A (zh) * 2020-03-03 2020-07-07 天津大学 一种可调节燃料辛烷值的发动机及控制方法
CN212690211U (zh) * 2020-08-03 2021-03-12 无锡威孚高科技集团股份有限公司 一种甲醇柴油双燃料高压直喷系统

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BR102021024153A2 (pt) 2022-11-29

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