DE102017112715B4 - Kraftstoffeinspritzventil - Google Patents

Kraftstoffeinspritzventil Download PDF

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Publication number
DE102017112715B4
DE102017112715B4 DE102017112715.1A DE102017112715A DE102017112715B4 DE 102017112715 B4 DE102017112715 B4 DE 102017112715B4 DE 102017112715 A DE102017112715 A DE 102017112715A DE 102017112715 B4 DE102017112715 B4 DE 102017112715B4
Authority
DE
Germany
Prior art keywords
needle
mode
back pressure
fuel
pressure chamber
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.)
Expired - Fee Related
Application number
DE102017112715.1A
Other languages
German (de)
English (en)
Other versions
DE102017112715A1 (de
Inventor
Toshiaki Hijima
Daiji Ueda
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.)
Denso Corp
Soken Inc
Original Assignee
Denso Corp
Soken 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 Denso Corp, Soken Inc filed Critical Denso Corp
Publication of DE102017112715A1 publication Critical patent/DE102017112715A1/de
Application granted granted Critical
Publication of DE102017112715B4 publication Critical patent/DE102017112715B4/de
Expired - Fee Related 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
    • F02D41/30—Controlling fuel injection
    • F02D41/38—Controlling fuel injection of the high pressure 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
    • 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
    • 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
    • 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
    • F02M63/0015—Valves characterised by the valve actuating means electrical, e.g. using solenoid
    • F02M63/0026—Valves characterised by the valve actuating means electrical, e.g. using solenoid using piezoelectric or magnetostrictive actuators
    • 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
    • F02M63/007—Details not provided for in, or of interest apart from, the apparatus of the groups F02M63/0014 - F02M63/0059
    • F02M63/0075—Stop members in valves, e.g. plates or disks limiting the movement of armature, valve or spring
    • 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
    • F02M2200/28—Details of throttles in fuel-injection apparatus

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)
  • Fuel-Injection Apparatus (AREA)
DE102017112715.1A 2016-07-07 2017-06-09 Kraftstoffeinspritzventil Expired - Fee Related DE102017112715B4 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2016-135378 2016-07-07
JP2016135378A JP6592408B2 (ja) 2016-07-07 2016-07-07 インジェクタ

Publications (2)

Publication Number Publication Date
DE102017112715A1 DE102017112715A1 (de) 2018-01-11
DE102017112715B4 true DE102017112715B4 (de) 2023-02-16

Family

ID=60676381

Family Applications (1)

Application Number Title Priority Date Filing Date
DE102017112715.1A Expired - Fee Related DE102017112715B4 (de) 2016-07-07 2017-06-09 Kraftstoffeinspritzventil

Country Status (2)

Country Link
JP (1) JP6592408B2 (ja)
DE (1) DE102017112715B4 (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020090928A (ja) * 2018-12-05 2020-06-11 株式会社デンソー 内燃機関の噴射制御装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11173234A (ja) 1997-12-12 1999-06-29 Denso Corp 燃料噴射弁
JP2001221119A (ja) 2000-02-04 2001-08-17 Denso Corp 燃料噴射装置
DE102007030794A1 (de) 2007-07-03 2009-01-08 Robert Bosch Gmbh Kraftstoff-Injektor mit einem für hohe Kraftstoffdrücke geeigneten Injektorkörper
DE102010017092A1 (de) 2009-06-02 2010-12-09 DENSO CORPORATION, Kariya-shi Kraftstoffeinspritzvorrichtung
US20130233941A1 (en) 2008-11-25 2013-09-12 Transonic Combustion, Inc. Dual solenoid fuel injector with selectively actuable output valve

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08261092A (ja) * 1995-03-22 1996-10-08 Isuzu Motors Ltd インジェクタ
JP2008309015A (ja) * 2007-06-13 2008-12-25 Toyota Motor Corp 内燃機関の燃料噴射制御装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11173234A (ja) 1997-12-12 1999-06-29 Denso Corp 燃料噴射弁
JP2001221119A (ja) 2000-02-04 2001-08-17 Denso Corp 燃料噴射装置
DE102007030794A1 (de) 2007-07-03 2009-01-08 Robert Bosch Gmbh Kraftstoff-Injektor mit einem für hohe Kraftstoffdrücke geeigneten Injektorkörper
US20130233941A1 (en) 2008-11-25 2013-09-12 Transonic Combustion, Inc. Dual solenoid fuel injector with selectively actuable output valve
DE102010017092A1 (de) 2009-06-02 2010-12-09 DENSO CORPORATION, Kariya-shi Kraftstoffeinspritzvorrichtung

Also Published As

Publication number Publication date
JP6592408B2 (ja) 2019-10-16
DE102017112715A1 (de) 2018-01-11
JP2018003794A (ja) 2018-01-11

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Free format text: PREVIOUS MAIN CLASS: F02M0047020000

Ipc: F02M0045080000

R016 Response to examination communication
R018 Grant decision by examination section/examining division
R020 Patent grant now final
R119 Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee