JP7352384B2 - 燃料噴射弁 - Google Patents

燃料噴射弁 Download PDF

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Publication number
JP7352384B2
JP7352384B2 JP2019105868A JP2019105868A JP7352384B2 JP 7352384 B2 JP7352384 B2 JP 7352384B2 JP 2019105868 A JP2019105868 A JP 2019105868A JP 2019105868 A JP2019105868 A JP 2019105868A JP 7352384 B2 JP7352384 B2 JP 7352384B2
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JP
Japan
Prior art keywords
needle
fuel
housing
movable
movable core
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
JP2019105868A
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English (en)
Japanese (ja)
Other versions
JP2020200766A (ja
JP2020200766A5 (enrdf_load_stackoverflow
Inventor
仁之 前川
友基 藤野
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
Priority to JP2019105868A priority Critical patent/JP7352384B2/ja
Priority to DE112020002672.8T priority patent/DE112020002672T5/de
Priority to PCT/JP2020/021340 priority patent/WO2020246385A1/ja
Publication of JP2020200766A publication Critical patent/JP2020200766A/ja
Publication of JP2020200766A5 publication Critical patent/JP2020200766A5/ja
Application granted granted Critical
Publication of JP7352384B2 publication Critical patent/JP7352384B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M21/00Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
    • F02M21/02Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
    • F02M21/0203Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels characterised by the type of gaseous fuel
    • F02M21/0206Non-hydrocarbon fuels, e.g. hydrogen, ammonia or carbon monoxide
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M21/00Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
    • F02M21/02Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
    • F02M21/0218Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
    • F02M21/0248Injectors
    • F02M21/0251Details of actuators therefor
    • F02M21/0254Electric actuators, e.g. solenoid or piezoelectric
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M21/00Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
    • F02M21/02Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
    • F02M21/0218Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
    • F02M21/0248Injectors
    • F02M21/0257Details of the valve closing elements, e.g. valve seats, stems or arrangement of flow passages
    • F02M21/026Lift valves, i.e. stem operated valves
    • F02M21/0263Inwardly opening single or multi nozzle valves, e.g. needle valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M21/00Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
    • F02M21/02Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
    • F02M21/0218Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
    • F02M21/0248Injectors
    • F02M21/0257Details of the valve closing elements, e.g. valve seats, stems or arrangement of flow passages
    • F02M21/026Lift valves, i.e. stem operated valves
    • F02M21/0263Inwardly opening single or multi nozzle valves, e.g. needle valves
    • F02M21/0266Hollow stem valves; Piston valves; Stems having a spherical tip
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M51/00Fuel-injection apparatus characterised by being operated electrically
    • F02M51/06Injectors peculiar thereto with means directly operating the valve needle
    • F02M51/061Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M2200/00Details of fuel-injection apparatus, not otherwise provided for
    • F02M2200/30Fuel-injection apparatus having mechanical parts, the movement of which is damped
    • F02M2200/304Fuel-injection apparatus having mechanical parts, the movement of which is damped using hydraulic means
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/30Use 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)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Fuel-Injection Apparatus (AREA)
JP2019105868A 2019-06-06 2019-06-06 燃料噴射弁 Active JP7352384B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2019105868A JP7352384B2 (ja) 2019-06-06 2019-06-06 燃料噴射弁
DE112020002672.8T DE112020002672T5 (de) 2019-06-06 2020-05-29 Kraftstoffeinspritzventil
PCT/JP2020/021340 WO2020246385A1 (ja) 2019-06-06 2020-05-29 燃料噴射弁

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2019105868A JP7352384B2 (ja) 2019-06-06 2019-06-06 燃料噴射弁

Publications (3)

Publication Number Publication Date
JP2020200766A JP2020200766A (ja) 2020-12-17
JP2020200766A5 JP2020200766A5 (enrdf_load_stackoverflow) 2021-08-12
JP7352384B2 true JP7352384B2 (ja) 2023-09-28

Family

ID=73653203

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2019105868A Active JP7352384B2 (ja) 2019-06-06 2019-06-06 燃料噴射弁

Country Status (3)

Country Link
JP (1) JP7352384B2 (enrdf_load_stackoverflow)
DE (1) DE112020002672T5 (enrdf_load_stackoverflow)
WO (1) WO2020246385A1 (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4426925B1 (de) * 2021-11-04 2025-09-10 Robert Bosch GmbH Gasinjektor mit hydraulischer dämpfungseinrichtung mit freiweg
GB2626178B (en) * 2023-01-13 2025-05-07 Phinia Delphi Luxembourg Sarl Fuel injector for direct injection of gaseous fuel

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007023965A (ja) 2005-07-20 2007-02-01 Denso Corp 燃料噴射弁
JP2011163242A (ja) 2010-02-11 2011-08-25 Denso Corp 燃料噴射弁
JP2015021470A (ja) 2013-07-23 2015-02-02 マツダ株式会社 燃料噴射弁
JP2016505746A (ja) 2012-11-02 2016-02-25 マキャリスター テクノロジーズ、エルエルシー 推力が増強された燃料噴射装置
WO2017022163A1 (ja) 2015-08-06 2017-02-09 株式会社デンソー 燃料噴射装置
JP2018189002A (ja) 2017-04-28 2018-11-29 株式会社Soken 燃料噴射弁

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019105868A (ja) 2017-12-08 2019-06-27 エヌ・ティ・ティ・コムウェア株式会社 入力支援装置、入力支援方法、及びプログラム

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007023965A (ja) 2005-07-20 2007-02-01 Denso Corp 燃料噴射弁
JP2011163242A (ja) 2010-02-11 2011-08-25 Denso Corp 燃料噴射弁
JP2016505746A (ja) 2012-11-02 2016-02-25 マキャリスター テクノロジーズ、エルエルシー 推力が増強された燃料噴射装置
JP2015021470A (ja) 2013-07-23 2015-02-02 マツダ株式会社 燃料噴射弁
WO2017022163A1 (ja) 2015-08-06 2017-02-09 株式会社デンソー 燃料噴射装置
JP2018189002A (ja) 2017-04-28 2018-11-29 株式会社Soken 燃料噴射弁

Also Published As

Publication number Publication date
DE112020002672T5 (de) 2022-03-03
JP2020200766A (ja) 2020-12-17
WO2020246385A1 (ja) 2020-12-10

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