DE112017006251B4 - Kraftstoffeinspritzsteuervorrichtung - Google Patents

Kraftstoffeinspritzsteuervorrichtung Download PDF

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Publication number
DE112017006251B4
DE112017006251B4 DE112017006251.9T DE112017006251T DE112017006251B4 DE 112017006251 B4 DE112017006251 B4 DE 112017006251B4 DE 112017006251 T DE112017006251 T DE 112017006251T DE 112017006251 B4 DE112017006251 B4 DE 112017006251B4
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DE
Germany
Prior art keywords
injection
fuel injection
post
stage injection
stage
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
DE112017006251.9T
Other languages
German (de)
English (en)
Other versions
DE112017006251T5 (de
Inventor
Kazuhiro Nishigaki
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
Original Assignee
Denso Corp
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 filed Critical Denso Corp
Publication of DE112017006251T5 publication Critical patent/DE112017006251T5/de
Application granted granted Critical
Publication of DE112017006251B4 publication Critical patent/DE112017006251B4/de
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
    • F02D41/20—Output circuits, e.g. for controlling currents in command coils
    • 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
    • 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
    • F02D41/40—Controlling fuel injection of the high pressure type with means for controlling injection timing or duration
    • F02D41/402—Multiple injections
    • 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
    • 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
    • F02D41/20—Output circuits, e.g. for controlling currents in command coils
    • F02D2041/2003—Output circuits, e.g. for controlling currents in command coils using means for creating a boost voltage, i.e. generation or use of a voltage higher than the battery voltage, e.g. to speed up injector opening
    • 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
    • F02D41/20—Output circuits, e.g. for controlling currents in command coils
    • F02D2041/202—Output circuits, e.g. for controlling currents in command coils characterised by the control of the circuit
    • F02D2041/2024—Output circuits, e.g. for controlling currents in command coils characterised by the control of the circuit the control switching a load after time-on and time-off pulses
    • 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
    • F02D41/20—Output circuits, e.g. for controlling currents in command coils
    • F02D2041/202—Output circuits, e.g. for controlling currents in command coils characterised by the control of the circuit
    • F02D2041/2044—Output circuits, e.g. for controlling currents in command coils characterised by the control of the circuit using pre-magnetisation or post-magnetisation of the coils
    • 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
    • F02D41/20—Output circuits, e.g. for controlling currents in command coils
    • F02D41/2096—Output circuits, e.g. for controlling currents in command coils for controlling piezoelectric injectors
    • 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
    • F02D41/40—Controlling fuel injection of the high pressure type with means for controlling injection timing or duration
    • F02D41/402—Multiple injections
    • F02D41/403—Multiple injections with pilot injections
    • 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
    • F02D41/40—Controlling fuel injection of the high pressure type with means for controlling injection timing or duration
    • F02D41/402—Multiple injections
    • F02D41/405—Multiple injections with post injections
    • 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
    • Y02T10/40—Engine management systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Fuel-Injection Apparatus (AREA)
DE112017006251.9T 2016-12-13 2017-11-22 Kraftstoffeinspritzsteuervorrichtung Active DE112017006251B4 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2016241224A JP6642403B2 (ja) 2016-12-13 2016-12-13 燃料噴射制御装置
JP2016-241224 2016-12-13
PCT/JP2017/042111 WO2018110241A1 (ja) 2016-12-13 2017-11-22 燃料噴射制御装置

Publications (2)

Publication Number Publication Date
DE112017006251T5 DE112017006251T5 (de) 2019-08-29
DE112017006251B4 true DE112017006251B4 (de) 2024-02-08

Family

ID=62558582

Family Applications (1)

Application Number Title Priority Date Filing Date
DE112017006251.9T Active DE112017006251B4 (de) 2016-12-13 2017-11-22 Kraftstoffeinspritzsteuervorrichtung

Country Status (4)

Country Link
US (1) US11060474B2 (enExample)
JP (1) JP6642403B2 (enExample)
DE (1) DE112017006251B4 (enExample)
WO (1) WO2018110241A1 (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7139223B2 (ja) * 2018-11-12 2022-09-20 日立Astemo株式会社 燃料噴射装置の制御装置
WO2023166665A1 (ja) 2022-03-03 2023-09-07 日立Astemo株式会社 電磁弁駆動装置
WO2025158533A1 (ja) * 2024-01-23 2025-07-31 Ａｓｔｅｍｏ株式会社 電磁弁駆動装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5402760A (en) 1992-05-21 1995-04-04 Nippondenso Co., Ltd. Fuel injection control apparatus for internal combustion engine
JP2004211623A (ja) 2003-01-07 2004-07-29 Isuzu Motors Ltd 燃料噴射制御装置
US20090301431A1 (en) 2006-08-31 2009-12-10 Yanmar Co., Ltd. Method of Controlling Common Rail Fuel Injection Device
DE112011100884T5 (de) 2010-03-12 2012-12-27 Toyota Jidosha Kabushiki Kaisha Kraftstoffeinspritzsteuerungsvorrichtung

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3384000B2 (ja) * 1992-09-18 2003-03-10 株式会社デンソー 内燃機関の燃料噴射制御装置
JP3985602B2 (ja) * 2002-06-25 2007-10-03 株式会社デンソー 内燃機関用噴射率制御装置
EP3069002A1 (en) * 2013-11-15 2016-09-21 Sentec Ltd Control unit for a fuel injector
JP6413582B2 (ja) 2014-10-03 2018-10-31 株式会社デンソー 内燃機関の制御装置
JPWO2016129402A1 (ja) * 2015-02-09 2017-09-28 日立オートモティブシステムズ株式会社 燃料噴射弁の制御装置
JP2017096118A (ja) * 2015-11-19 2017-06-01 マツダ株式会社 エンジン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
US5402760A (en) 1992-05-21 1995-04-04 Nippondenso Co., Ltd. Fuel injection control apparatus for internal combustion engine
DE69303769T2 (de) 1992-05-21 1997-02-06 Nippon Denso Co Kraftstoffeinspritzsteuereinrichtung für Brennkraftmaschine
JP2004211623A (ja) 2003-01-07 2004-07-29 Isuzu Motors Ltd 燃料噴射制御装置
US20090301431A1 (en) 2006-08-31 2009-12-10 Yanmar Co., Ltd. Method of Controlling Common Rail Fuel Injection Device
DE112011100884T5 (de) 2010-03-12 2012-12-27 Toyota Jidosha Kabushiki Kaisha Kraftstoffeinspritzsteuerungsvorrichtung

Also Published As

Publication number Publication date
DE112017006251T5 (de) 2019-08-29
US20190242323A1 (en) 2019-08-08
JP2018096275A (ja) 2018-06-21
WO2018110241A1 (ja) 2018-06-21
JP6642403B2 (ja) 2020-02-05
US11060474B2 (en) 2021-07-13

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