JP6724959B2 - 燃料噴射弁 - Google Patents

燃料噴射弁 Download PDF

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Publication number
JP6724959B2
JP6724959B2 JP2018169994A JP2018169994A JP6724959B2 JP 6724959 B2 JP6724959 B2 JP 6724959B2 JP 2018169994 A JP2018169994 A JP 2018169994A JP 2018169994 A JP2018169994 A JP 2018169994A JP 6724959 B2 JP6724959 B2 JP 6724959B2
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JP
Japan
Prior art keywords
core
valve
press
needle
fitting
Prior art date
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Application number
JP2018169994A
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English (en)
Japanese (ja)
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JP2019065850A (ja
JP2019065850A5 (enExample
Inventor
辰介 山本
辰介 山本
孝一 望月
孝一 望月
岡本　敦哉
敦哉 岡本
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 DE112018004339.8T priority Critical patent/DE112018004339T5/de
Priority to PCT/JP2018/034650 priority patent/WO2019065412A1/ja
Publication of JP2019065850A publication Critical patent/JP2019065850A/ja
Publication of JP2019065850A5 publication Critical patent/JP2019065850A5/ja
Priority to US16/830,812 priority patent/US11242831B2/en
Application granted granted Critical
Publication of JP6724959B2 publication Critical patent/JP6724959B2/ja
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
    • 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
    • F02M51/0625—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures
    • F02M51/0664—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a cylindrically or partly cylindrically shaped armature, e.g. entering the winding; having a plate-shaped or undulated armature entering the winding
    • F02M51/0671—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a cylindrically or partly cylindrically shaped armature, e.g. entering the winding; having a plate-shaped or undulated armature entering the winding the armature having an elongated valve body attached thereto
    • F02M51/0682—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a cylindrically or partly cylindrically shaped armature, e.g. entering the winding; having a plate-shaped or undulated armature entering the winding the armature having an elongated valve body attached thereto the body being hollow and its interior communicating with the fuel flow
    • 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
    • F02M51/0625—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures
    • F02M51/0664—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a cylindrically or partly cylindrically shaped armature, e.g. entering the winding; having a plate-shaped or undulated armature entering the winding
    • F02M51/0685—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a cylindrically or partly cylindrically shaped armature, e.g. entering the winding; having a plate-shaped or undulated armature entering the winding the armature and the valve being allowed to move relatively to each other or not being attached to each other
    • 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
    • F02M61/12—Other injectors with elongated valve bodies, i.e. of needle-valve type characterised by the provision of guiding or centring means for valve bodies
    • 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
    • F02M61/168—Assembling; Disassembling; Manufacturing; Adjusting
    • 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
    • F02M2200/50—Arrangements of springs for valves used in fuel injectors or fuel injection pumps
    • 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
    • F02M2200/80—Fuel injection apparatus manufacture, repair or assembly
    • F02M2200/8061—Fuel injection apparatus manufacture, repair or assembly involving press-fit, i.e. interference or friction fit
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
    • F16K31/0644—One-way valve
    • F16K31/0655—Lift valves

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)
  • Manufacturing & Machinery (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Magnetically Actuated Valves (AREA)
JP2018169994A 2017-09-29 2018-09-11 燃料噴射弁 Active JP6724959B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE112018004339.8T DE112018004339T5 (de) 2017-09-29 2018-09-19 Kraftstoffeinspritzventil
PCT/JP2018/034650 WO2019065412A1 (ja) 2017-09-29 2018-09-19 燃料噴射弁
US16/830,812 US11242831B2 (en) 2017-09-29 2020-03-26 Fuel injection valve

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2017189884 2017-09-29
JP2017189884 2017-09-29

Publications (3)

Publication Number Publication Date
JP2019065850A JP2019065850A (ja) 2019-04-25
JP2019065850A5 JP2019065850A5 (enExample) 2019-10-03
JP6724959B2 true JP6724959B2 (ja) 2020-07-15

Family

ID=66338007

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2018169994A Active JP6724959B2 (ja) 2017-09-29 2018-09-11 燃料噴射弁

Country Status (2)

Country Link
JP (1) JP6724959B2 (enExample)
DE (1) DE112018004339T5 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12065995B2 (en) * 2021-05-12 2024-08-20 Hitachi Astemo, Ltd Fuel injection device

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5014090B2 (ja) * 2007-11-28 2012-08-29 株式会社ケーヒン 電磁式燃料噴射弁及びその製造方法
JP5822269B2 (ja) 2011-11-11 2015-11-24 株式会社ケーヒン 電磁式燃料噴射弁
JP6035648B2 (ja) * 2012-11-05 2016-11-30 株式会社ケーヒン 電磁式燃料噴射弁
JP6511925B2 (ja) * 2014-08-26 2019-05-15 株式会社デンソー 燃料噴射弁
JP6426556B2 (ja) * 2015-08-06 2018-11-21 株式会社デンソー 燃料噴射装置
JP2017189884A (ja) 2016-04-12 2017-10-19 セイコーエプソン株式会社 液体吐出装置の製造方法、液体吐出装置、およびデバイスドライバー
JP6313516B1 (ja) 2017-03-30 2018-04-18 三菱総研Ｄｃｓ株式会社 情報処理装置、情報処理方法およびコンピュータプログラム

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12065995B2 (en) * 2021-05-12 2024-08-20 Hitachi Astemo, Ltd Fuel injection device

Also Published As

Publication number Publication date
JP2019065850A (ja) 2019-04-25
DE112018004339T5 (de) 2020-05-07

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