EP4269780A4 - Injecteur de bicarburant pour un moteur - Google Patents

Injecteur de bicarburant pour un moteur Download PDF

Info

Publication number
EP4269780A4
EP4269780A4 EP21911686.0A EP21911686A EP4269780A4 EP 4269780 A4 EP4269780 A4 EP 4269780A4 EP 21911686 A EP21911686 A EP 21911686A EP 4269780 A4 EP4269780 A4 EP 4269780A4
Authority
EP
European Patent Office
Prior art keywords
engine
fuel injector
dual fuel
dual
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.)
Pending
Application number
EP21911686.0A
Other languages
German (de)
English (en)
Other versions
EP4269780A1 (fr
Inventor
Jiansheng Sun
Xiong Chen
Xiangping HAN
Guohua YOU
Zubi ZHANG
May Chen
Tianming Zhang
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.)
Bmdi Singapore Pte Ltd
Original Assignee
Bmdi Singapore Pte Ltd
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 Bmdi Singapore Pte Ltd filed Critical Bmdi Singapore Pte Ltd
Publication of EP4269780A1 publication Critical patent/EP4269780A1/fr
Publication of EP4269780A4 publication Critical patent/EP4269780A4/fr
Pending legal-status Critical Current

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
    • F02D19/0663—Details on the fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
    • F02D19/0686—Injectors
    • F02D19/0694—Injectors operating with a plurality of fuels
    • 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
    • F02M43/04—Injectors peculiar thereto
    • 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
    • F02M45/00—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship
    • F02M45/02—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship with each cyclic delivery being separated into two or more parts
    • F02M45/04—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship with each cyclic delivery being separated into two or more parts with a small initial part, e.g. initial part for partial load and initial and main part for full load
    • F02M45/08—Injectors peculiar thereto
    • F02M45/086—Having more than one injection-valve controlling discharge orifices
    • 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
    • F02M47/00—Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure
    • F02M47/02—Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure of accumulator-injector type, i.e. having fuel pressure of accumulator tending to open, and fuel pressure in other chamber tending to close, injection valves and having means for periodically releasing that closing pressure
    • F02M47/027—Electrically actuated valves draining the chamber to release the closing pressure
    • 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
    • F02M51/00—Fuel-injection apparatus characterised by being operated electrically
    • F02M51/06—Injectors peculiar thereto with means directly operating the valve needle
    • 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
    • F02M51/00—Fuel-injection apparatus characterised by being operated electrically
    • F02M51/06—Injectors peculiar thereto with means directly operating the valve needle
    • F02M51/061—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means
    • 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
    • F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
    • F02M61/04—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00 having valves, e.g. having a plurality of valves in series
    • F02M61/10—Other injectors with elongated valve bodies, i.e. of needle-valve type
    • 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
    • F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
    • F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
    • F02M61/18—Injection nozzles, e.g. having valve seats; Details of valve member seated ends, not otherwise provided for
    • F02M61/1806—Injection nozzles, e.g. having valve seats; Details of valve member seated ends, not otherwise provided for characterised by the arrangement of discharge orifices, e.g. orientation or size
    • F02M61/182—Discharge orifices being situated in different transversal planes with respect to valve member direction of movement
    • 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
    • F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
    • F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
    • F02M61/18—Injection nozzles, e.g. having valve seats; Details of valve member seated ends, not otherwise provided for
    • F02M61/1886—Details of valve seats not covered by groups F02M61/1866 - F02M61/188
    • 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
    • F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
    • F02M2200/46—Valves, e.g. injectors, with concentric valve bodies

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Electromagnetism (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Fuel-Injection Apparatus (AREA)
EP21911686.0A 2020-12-25 2021-12-22 Injecteur de bicarburant pour un moteur Pending EP4269780A4 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202011565239.5A CN114687901B (zh) 2020-12-25 2020-12-25 一种用于发动机的双燃料喷射器
PCT/SG2021/050816 WO2022139684A1 (fr) 2020-12-25 2021-12-22 Injecteur de bicarburant pour un moteur

Publications (2)

Publication Number Publication Date
EP4269780A1 EP4269780A1 (fr) 2023-11-01
EP4269780A4 true EP4269780A4 (fr) 2024-12-18

Family

ID=82130913

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21911686.0A Pending EP4269780A4 (fr) 2020-12-25 2021-12-22 Injecteur de bicarburant pour un moteur

Country Status (3)

Country Link
EP (1) EP4269780A4 (fr)
CN (1) CN114687901B (fr)
WO (1) WO2022139684A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE849325C (de) * 1940-09-19 1952-09-15 Bosch Gmbh Robert Einspritzventil fuer Brennkraftmaschinen
US20090020631A1 (en) * 2007-07-17 2009-01-22 Denso Corporation Gaseous fuel injector using liquid fuel as lubricant and pressure-transmitting medium
US20160169177A1 (en) * 2013-05-21 2016-06-16 Westport Power Inc. Fuel injector
CN110594061A (zh) * 2019-09-26 2019-12-20 重庆红江机械有限责任公司 一种电控共轨式重油喷油器

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1435702A (en) * 1972-06-12 1976-05-12 Nat Res Dev Injectors for the fuel injection systems of internal combustion engines
US4693227A (en) * 1985-05-21 1987-09-15 Toyota Jidosha Kabushiki Kaisha Multi-fuel injection system for an internal combustion engine
US9234452B2 (en) * 2012-05-17 2016-01-12 Caterpillar Inc. Direct injection gas engine and method
JP5925104B2 (ja) * 2012-10-19 2016-05-25 三菱重工業株式会社 燃料ガス噴射弁、デュアルフューエルガスエンジン及び燃料ガス噴射弁の噴射方法
CN103244321B (zh) * 2013-04-28 2015-03-11 哈尔滨工程大学 双燃料双压电控制式喷射器
CN204900133U (zh) * 2015-07-07 2015-12-23 中国人民解放军装甲兵工程学院 一种发动机双燃料同时喷射喷嘴
CN208950750U (zh) * 2018-09-21 2019-06-07 英嘉动力科技无锡有限公司 一种新型双燃料喷射器
CN215057845U (zh) * 2020-12-25 2021-12-07 Bmdi (新加坡)私人有限公司 一种用于发动机的双燃料喷射器

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE849325C (de) * 1940-09-19 1952-09-15 Bosch Gmbh Robert Einspritzventil fuer Brennkraftmaschinen
US20090020631A1 (en) * 2007-07-17 2009-01-22 Denso Corporation Gaseous fuel injector using liquid fuel as lubricant and pressure-transmitting medium
US20160169177A1 (en) * 2013-05-21 2016-06-16 Westport Power Inc. Fuel injector
CN110594061A (zh) * 2019-09-26 2019-12-20 重庆红江机械有限责任公司 一种电控共轨式重油喷油器

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2022139684A1 *

Also Published As

Publication number Publication date
WO2022139684A1 (fr) 2022-06-30
CN114687901B (zh) 2026-04-24
EP4269780A1 (fr) 2023-11-01
CN114687901A (zh) 2022-07-01

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