FR3122217B1 - Method for increasing efficiency and reducing emissions of a compression ignition engine - Google Patents

Method for increasing efficiency and reducing emissions of a compression ignition engine Download PDF

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Publication number
FR3122217B1
FR3122217B1 FR2104158A FR2104158A FR3122217B1 FR 3122217 B1 FR3122217 B1 FR 3122217B1 FR 2104158 A FR2104158 A FR 2104158A FR 2104158 A FR2104158 A FR 2104158A FR 3122217 B1 FR3122217 B1 FR 3122217B1
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FR
France
Prior art keywords
compression ignition
ignition engine
increasing efficiency
reducing emissions
charge
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
FR2104158A
Other languages
French (fr)
Other versions
FR3122217A1 (en
Inventor
Adrian Birtas
Niculae Boicea
Radu Chiriac
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Renault SAS
Original Assignee
Renault SAS
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Publication date
Application filed by Renault SAS filed Critical Renault SAS
Priority to FR2104158A priority Critical patent/FR3122217B1/en
Publication of FR3122217A1 publication Critical patent/FR3122217A1/en
Application granted granted Critical
Publication of FR3122217B1 publication Critical patent/FR3122217B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • 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
    • F02D19/0602—Control of components of the fuel supply system
    • F02D19/0607—Control of components of the fuel supply system to adjust the fuel mass or volume flow
    • F02D19/061—Control of components of the fuel supply system to adjust the fuel mass or volume flow by controlling fuel injectors
    • 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
    • F02D19/0647—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 liquefied petroleum gas [LPG], liquefied natural gas [LNG], compressed natural gas [CNG] or dimethyl ether [DME]
    • 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
    • F02D19/0686—Injectors
    • F02D19/0689—Injectors for in-cylinder direct injection
    • 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
    • F02D19/0686—Injectors
    • F02D19/0692—Arrangement of multiple injectors per combustion chamber
    • 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
    • F02D19/081—Adjusting the fuel composition or mixing ratio; Transitioning from one fuel to the other
    • 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
    • F02D41/30—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

Abstract

Méthode pour augmenter le rendement et diminuer les émissions d'un moteur à allumage par compression L’invention porte sur une méthode pour augmenter l'efficacité et diminuer les émissions pour un moteur à allumage par compression comprenant au moins un cylindre, la méthode comprenant les étapes de fournir une première charge de combustible gazeux ayant une faible réactivité audit cylindre par l’intermédiaire d’une injection directe; fournir une deuxième charge de combustible liquide ayant une réactivité élevée audit cylindre par l’intermédiaire d’une injection directe, la méthode comprenant en plus une étape de fournir une troisième charge de combustible liquide ayant une faible réactivité audit cylindre par l’intermédiaire d’une injection indirecte. Figure pour l’abrégé: [Fig. 1]Method for increasing efficiency and decreasing emissions of a compression ignition engine The invention relates to a method for increasing efficiency and decreasing emissions for a compression ignition engine comprising at least one cylinder, the method comprising steps of providing a first charge of gaseous fuel having low reactivity to said cylinder via direct injection; providing a second charge of liquid fuel having high reactivity to said cylinder via direct injection, the method further comprising a step of providing a third charge of liquid fuel having low reactivity to said cylinder via an indirect injection. Figure for the abstract: [Fig. 1]

FR2104158A 2021-04-21 2021-04-21 Method for increasing efficiency and reducing emissions of a compression ignition engine Active FR3122217B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR2104158A FR3122217B1 (en) 2021-04-21 2021-04-21 Method for increasing efficiency and reducing emissions of a compression ignition engine

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR2104158A FR3122217B1 (en) 2021-04-21 2021-04-21 Method for increasing efficiency and reducing emissions of a compression ignition engine
FR2104158 2021-04-21

Publications (2)

Publication Number Publication Date
FR3122217A1 FR3122217A1 (en) 2022-10-28
FR3122217B1 true FR3122217B1 (en) 2024-02-16

Family

ID=76375234

Family Applications (1)

Application Number Title Priority Date Filing Date
FR2104158A Active FR3122217B1 (en) 2021-04-21 2021-04-21 Method for increasing efficiency and reducing emissions of a compression ignition engine

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FR (1) FR3122217B1 (en)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110186011A1 (en) * 2010-02-03 2011-08-04 Honda Motor Co., Ltd. Internal combustion engine
CA2796463A1 (en) 2010-04-20 2011-10-27 Dgc Industries Pty Ltd A dual fuel supply system for a direct-injection system of a diesel engine with on-board mixing
DE102010037003A1 (en) * 2010-08-16 2012-02-16 Ford Global Technologies, Llc. Method for operating an internal combustion engine with gas as fuel and internal combustion engine for carrying out such a method
US20130073183A1 (en) * 2011-09-16 2013-03-21 Ethanol Boosting Systems Llc Open-valve Port Fuel Injection Of Alcohol In Multiple Injector Engines
WO2013075234A1 (en) * 2011-11-22 2013-05-30 Westport Power Inc. Apparatus and method for fuelling a flexible-fuel internal combustion engine
EP3722572A1 (en) * 2019-04-12 2020-10-14 Winterthur Gas & Diesel Ltd. Internal combustion engine

Also Published As

Publication number Publication date
FR3122217A1 (en) 2022-10-28

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