CA2894291C - Garniture d'injecteur de carburant dans un moteur multi-carburant - Google Patents

Garniture d'injecteur de carburant dans un moteur multi-carburant Download PDF

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Publication number
CA2894291C
CA2894291C CA2894291A CA2894291A CA2894291C CA 2894291 C CA2894291 C CA 2894291C CA 2894291 A CA2894291 A CA 2894291A CA 2894291 A CA2894291 A CA 2894291A CA 2894291 C CA2894291 C CA 2894291C
Authority
CA
Canada
Prior art keywords
fuel
trim
term trim
long term
fuel injector
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
CA2894291A
Other languages
English (en)
Other versions
CA2894291A1 (fr
Inventor
Chaohong Fang
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.)
Westport Fuel Systems Canada Inc
Original Assignee
Westport Power Inc
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
Application filed by Westport Power Inc filed Critical Westport Power Inc
Priority to CA2894291A priority Critical patent/CA2894291C/fr
Publication of CA2894291A1 publication Critical patent/CA2894291A1/fr
Priority to PCT/CA2016/050668 priority patent/WO2016197253A1/fr
Application granted granted Critical
Publication of CA2894291C publication Critical patent/CA2894291C/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • F02D19/0663—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
    • 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
    • F02D41/02—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
    • F02D41/24—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means
    • F02D41/2406—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using essentially read only memories
    • F02D41/2425—Particular ways of programming the data
    • F02D41/2429—Methods of calibrating or learning
    • F02D41/2451—Methods of calibrating or learning characterised by what is learned or calibrated
    • F02D41/2464—Characteristics of actuators
    • F02D41/2467—Characteristics of actuators for injectors
    • 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
    • F02M69/00—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel
    • F02M69/04—Injectors peculiar thereto
    • F02M69/042—Positioning of injectors with respect to engine, e.g. in the air intake conduit
    • F02M69/046—Positioning of injectors with respect to engine, e.g. in the air intake conduit for injecting into both the combustion chamber and the intake conduit
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)

Abstract

Dans des moteurs bicarburants, des valeurs de garniture pour des injecteurs de carburant liquide peuvent séloigner de valeurs prédéterminées lorsquils fonctionnent dans un mode combustible gazeux. Linvention concerne une méthode permettant de garnir un premier injecteur de carburant fonctionnant pour injecter un premier carburant pendant un premier mode davitaillement et un deuxième injecteur de carburant fonctionnant pour injecter un deuxième carburant pendant un deuxième mode davitaillement dun moteur multi-carburant. La méthode comprend ceci, pendant le premier mode davitaillement : a) calculer une première garniture à court terme pour le premier injecteur de carburant en fonction dune teneur en oxygène des gaz déchappement; et b) calculer une première garniture à long terme pour le premier injecteur de carburant en fonction dun historique de la première garniture à court terme. Pendant le deuxième mode davitaillement, la méthode comprend : c) enregistrer la première garniture à long terme au moment dentrer dans le deuxième mode davitaillement; d) continuer les étapes a) et b); e) calculer une deuxième garniture à court terme pour le deuxième injecteur de carburant en fonction de la teneur en oxygène des gaz déchappement; et f) calculer une deuxième garniture à long terme pour le deuxième injecteur de carburant en fonction dun historique de la deuxième garniture à court terme. La deuxième garniture à long terme est calculée plus fréquemment que la première garniture à long terme, de sorte quune différence entre la première garniture à long terme et la première garniture à long terme enregistrée est maintenue en deçà dun seuil prédéterminé.
CA2894291A 2015-06-12 2015-06-12 Garniture d'injecteur de carburant dans un moteur multi-carburant Active CA2894291C (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CA2894291A CA2894291C (fr) 2015-06-12 2015-06-12 Garniture d'injecteur de carburant dans un moteur multi-carburant
PCT/CA2016/050668 WO2016197253A1 (fr) 2015-06-12 2016-06-10 Ajustage d'injecteurs de carburant dans un moteur polycarburant

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA2894291A CA2894291C (fr) 2015-06-12 2015-06-12 Garniture d'injecteur de carburant dans un moteur multi-carburant

Publications (2)

Publication Number Publication Date
CA2894291A1 CA2894291A1 (fr) 2015-08-14
CA2894291C true CA2894291C (fr) 2016-08-02

Family

ID=53837002

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2894291A Active CA2894291C (fr) 2015-06-12 2015-06-12 Garniture d'injecteur de carburant dans un moteur multi-carburant

Country Status (2)

Country Link
CA (1) CA2894291C (fr)
WO (1) WO2016197253A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITUB20159514A1 (it) * 2015-12-28 2017-06-28 Landi Renzo Spa Metodo di costruzione di un modello matematico di un iniettore di benzina di un impianto di alimentazione bi-fuel di un motore per autoveicolo e centralina di controllo degli iniettori di gas impiegabili in un impianto di alimentazione bi-fuel di un motore per autoveicolo.

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7735476B2 (en) * 2007-09-14 2010-06-15 Gm Global Technology Operations, Inc. Virtual fuel sensor for dual fuel tank applications

Also Published As

Publication number Publication date
CA2894291A1 (fr) 2015-08-14
WO2016197253A1 (fr) 2016-12-15

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