WO2018101411A1 - Dispositif d'injection de carburant - Google Patents

Dispositif d'injection de carburant Download PDF

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Publication number
WO2018101411A1
WO2018101411A1 PCT/JP2017/043077 JP2017043077W WO2018101411A1 WO 2018101411 A1 WO2018101411 A1 WO 2018101411A1 JP 2017043077 W JP2017043077 W JP 2017043077W WO 2018101411 A1 WO2018101411 A1 WO 2018101411A1
Authority
WO
WIPO (PCT)
Prior art keywords
pressure
time
fuel
valve
injection device
Prior art date
Application number
PCT/JP2017/043077
Other languages
English (en)
Japanese (ja)
Inventor
泰三 嶋田
哲哉 相澤
Original Assignee
学校法人明治大学
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 学校法人明治大学 filed Critical 学校法人明治大学
Priority to JP2018554247A priority Critical patent/JP6739848B2/ja
Priority to EP17876281.1A priority patent/EP3550136A4/fr
Publication of WO2018101411A1 publication Critical patent/WO2018101411A1/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
    • 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
    • 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
    • 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
    • F02M45/12—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship providing a continuous cyclic delivery with variable 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
    • F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
    • F02M63/0012—Valves
    • F02M63/0014—Valves characterised by the valve actuating means
    • F02M63/0028—Valves characterised by the valve actuating means hydraulic
    • F02M63/0029—Valves characterised by the valve actuating means hydraulic using a pilot valve controlling a hydraulic chamber

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  • 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)
  • Fuel-Injection Apparatus (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)

Abstract

Un dispositif d'injection de carburant (1) selon un mode de réalisation de la présente invention injecte du carburant dans une chambre de combustion (CC) d'un moteur à combustion interne (EG). Le dispositif d'injection de carburant (1) comprend : une unité d'accumulation de pression (122) à laquelle du carburant est fourni à partir d'une source de haute pression (4) qui fournit du carburant à une pression prescrite; une première soupape (21) qui amène le carburant fourni par la source de haute pression (4) à être fourni à l'intérieur de l'unité d'accumulation de pression (122); et une seconde soupape (22) qui amène le carburant fourni à l'unité d'accumulation de pression (122) à être injecté à l'intérieur de la chambre de combustion (CC) à partir de l'unité d'accumulation de pression (122).
PCT/JP2017/043077 2016-12-02 2017-11-30 Dispositif d'injection de carburant WO2018101411A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2018554247A JP6739848B2 (ja) 2016-12-02 2017-11-30 燃料噴射装置
EP17876281.1A EP3550136A4 (fr) 2016-12-02 2017-11-30 Dispositif d'injection de carburant

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2016-235334 2016-12-02
JP2016235334 2016-12-02

Publications (1)

Publication Number Publication Date
WO2018101411A1 true WO2018101411A1 (fr) 2018-06-07

Family

ID=62241758

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2017/043077 WO2018101411A1 (fr) 2016-12-02 2017-11-30 Dispositif d'injection de carburant

Country Status (3)

Country Link
EP (1) EP3550136A4 (fr)
JP (1) JP6739848B2 (fr)
WO (1) WO2018101411A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020076388A (ja) * 2018-11-09 2020-05-21 株式会社デンソー 電子制御装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102021202731A1 (de) 2021-03-22 2022-09-22 Robert Bosch Gesellschaft mit beschränkter Haftung Kraftstoffeinspritzeinrichtung

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001159379A (ja) * 1999-09-22 2001-06-12 Mitsubishi Motors Corp 蓄圧式燃料噴射装置
JP2004044493A (ja) * 2002-07-11 2004-02-12 Toyota Central Res & Dev Lab Inc 燃料噴射装置
JP2005531712A (ja) 2002-06-29 2005-10-20 ローベルト　ボツシユ　ゲゼルシヤフト　ミツト　ベシユレンクテル　ハフツング 噴射終了時の迅速な減圧を伴う増圧式の燃料インジェクタ

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19921878C2 (de) * 1999-05-12 2001-03-15 Daimler Chrysler Ag Kraftstoffeinspritzsystem für eine Brennkraftmaschine
EP1087130B1 (fr) * 1999-09-22 2002-07-10 Mitsubishi Jidosha Kogyo Kabushiki Kaisha Dispositif d'injection de carburant à accumulation
DE10115401A1 (de) * 2001-03-29 2002-10-02 Daimler Chrysler Ag Kraftstoffeinspritzsystem für eine Brennkraftmaschine
DE10117401C2 (de) * 2001-04-06 2003-02-27 Mtu Friedrichshafen Gmbh Kraftstoffeinspritzsystem für eine Brennkraftmaschine
US9133807B2 (en) * 2012-08-08 2015-09-15 Volvo Lastvagnar Ab Flow control system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001159379A (ja) * 1999-09-22 2001-06-12 Mitsubishi Motors Corp 蓄圧式燃料噴射装置
JP2005531712A (ja) 2002-06-29 2005-10-20 ローベルト　ボツシユ　ゲゼルシヤフト　ミツト　ベシユレンクテル　ハフツング 噴射終了時の迅速な減圧を伴う増圧式の燃料インジェクタ
JP2004044493A (ja) * 2002-07-11 2004-02-12 Toyota Central Res & Dev Lab Inc 燃料噴射装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP3550136A4 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020076388A (ja) * 2018-11-09 2020-05-21 株式会社デンソー 電子制御装置
JP7215093B2 (ja) 2018-11-09 2023-01-31 株式会社デンソー 電子制御装置

Also Published As

Publication number Publication date
JP6739848B2 (ja) 2020-08-12
EP3550136A4 (fr) 2020-07-29
JPWO2018101411A1 (ja) 2019-10-31
EP3550136A1 (fr) 2019-10-09

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