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KR910012529A - 연료분사 시스템 - Google Patents

연료분사 시스템

Info

Publication number
KR910012529A
KR910012529A KR1019900021667A KR900021667A KR910012529A KR 910012529 A KR910012529 A KR 910012529A KR 1019900021667 A KR1019900021667 A KR 1019900021667A KR 900021667 A KR900021667 A KR 900021667A KR 910012529 A KR910012529 A KR 910012529A
Authority
KR
South Korea
Prior art keywords
fuel injection
orifice
fuel
injection valve
wall portions
Prior art date
Application number
KR1019900021667A
Other languages
English (en)
Other versions
KR100198473B1 (ko
Inventor
마사히로 소마
Original Assignee
미다 가쓰시게
가부시기가이샤 히다찌 세이사꾸쇼
모리 미찌쯔구
히다찌 오토모티브 엔지니어링 가부시기가이샤
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 미다 가쓰시게, 가부시기가이샤 히다찌 세이사꾸쇼, 모리 미찌쯔구, 히다찌 오토모티브 엔지니어링 가부시기가이샤 filed Critical 미다 가쓰시게
Publication of KR910012529A publication Critical patent/KR910012529A/ko
Application granted granted Critical
Publication of KR100198473B1 publication Critical patent/KR100198473B1/ko
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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
    • 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
    • F02M61/18—Injection nozzles, e.g. having valve seats; Details of valve member seated ends, not otherwise provided for
    • F02M61/1806—Injection nozzles, e.g. having valve seats; Details of valve member seated ends, not otherwise provided for characterised by the arrangement of discharge orifices, e.g. orientation or size
    • F02M61/184—Discharge orifices having non circular sections
    • 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
    • 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
    • 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
    • F02M51/08—Injectors peculiar thereto with means directly operating the valve needle specially for low-pressure fuel-injection
    • 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
    • F02M61/162—Means to impart a whirling motion to fuel upstream or near discharging orifices
    • 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
    • F02M61/18—Injection nozzles, e.g. having valve seats; Details of valve member seated ends, not otherwise provided for
    • 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
    • F02M61/18—Injection nozzles, e.g. having valve seats; Details of valve member seated ends, not otherwise provided for
    • F02M61/1806—Injection nozzles, e.g. having valve seats; Details of valve member seated ends, not otherwise provided for characterised by the arrangement of discharge orifices, e.g. orientation or size
    • F02M61/1846—Dimensional characteristics of discharge orifices
    • 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
    • F02M61/18—Injection nozzles, e.g. having valve seats; Details of valve member seated ends, not otherwise provided for
    • F02M61/1853—Orifice plates
    • 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
    • F02M61/18—Injection nozzles, e.g. having valve seats; Details of valve member seated ends, not otherwise provided for
    • F02M61/188—Spherical or partly spherical shaped valve member ends
    • 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
    • F02M69/00—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel
    • F02M69/04—Injectors peculiar thereto
    • F02M69/042—Positioning of injectors with respect to engine, e.g. in the air intake conduit
    • F02M69/044—Positioning of injectors with respect to engine, e.g. in the air intake conduit for injecting into the intake conduit downstream of an air throttle valve
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B2275/00—Other engines, components or details, not provided for in other groups of this subclass
    • F02B2275/14—Direct injection into combustion chamber
    • 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
    • Y02T10/12—Improving ICE efficiencies

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)
  • Fuel-Injection Apparatus (AREA)

Abstract

내용 없음

Description

연료분사 시스템
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 일실시예에 의한 연료분사시스템에 사용된 연료분사밸브의 종단면도,
제2도는 이 연료분사밸브에 구비된 연료분사시스템의 단면도,
제3도는 그 흡입통로를 통하여 취한 동일단면도.

Claims (7)

  1. 흡입구에 배치된 흡입밸브의 상류부의 흡입통로에 제공된 연료선회식 연료분사밸브로 이루어진 내연기관을 연료분사시스템에 있어서, 연료분사밸브가 선회식으로 연료분사밸브에 의하여 분사되는 연료스프레이의 형식을 연료분사밸브가 장착된 위치에서 보듯이 흡입구의 형상에 보정하는 보정수단이 구비되는 것을 특징으로 하는 내연기관용 연료분사시스템.
  2. 제1항에 있어서, 상기 흡입밸브는 내연기관의 각 실린더의 하나에 제공되고, 보정수단은 선회시 연료분사밸브를 통하여 분사된 연료스프레이를 편평한 형상에 보정하는 것을 특징으로 하는 연료분사시스템.
  3. 제2항에 있어서, 연료분사밸브는 단일 연료분사 오리피스를 가지며, 오리프스를 통하여 분사된 연료의 방향을 부분적으로 제어하기 위하여 상기 보정수단은 오리피스의 직경보다 약간 큰 거리로 서로 이격되고 그 사이에 오리피스와 서로 대면하는 2개의 반대벽부로 한정되고, 오리피스에 대하여 대칭으로 배치되며 그곳에서 등간격으로 이격된 분사방향 제어통로로 반드시 구성된 것을 특징으로 하는 연료분사시스템.
  4. 제1항에 있어서, 2개의 흡입밸브가 내연기관의 각 실린더에 대하여 제공되고, 상기 보정수단은 선회식으로 연료분사밸브를 통하여 분사된 연료스프레이를 보정하여 그 주스트림이 편평한 형상을 가진 단면을 가진 2분기 스트림으로 분리되는 것을 특징으로 하는 연료분사시스템.
  5. 제4항에 있어서, 상기 연료분사밸브는 단일 연료분사 오리피스를 가지며, 오리프스를 통하여 분사된 연료의 방향을 부분적으로 제어하기 위하여 상기 보정수단은 오리피스의 직경보다 약간 큰 거리로 서로 이격되고 그 사이에 오리피스와 서로 대면하는 2개의 반대벽부에 의하여 한정된 분사방향 제어통로와 오리피스에 관하여 대칭적으로 배치되고 그로부터 등간격으로 이격되며 비교적 큰 직경을 가진 2개의 아크형벽부와 2개의 반대벽부와 2개의 아크형 벽부를 서로 원활하게 연결하는 4개의 만곡벽부로 반드시 이루어지는 것을 특징으로 하는 연료분사시스템.
  6. 제5항에 있어서, 상기 벽부의 크기는 2개의 반대벽부사이의 거리가 d이고 2개의 아크형벽부의 직경이 D라 가저하면 D/d값이 2이하인 것을 특징으로 하는 연료분사시스템.
  7. 흡입구에 배치된 흡입밸브의 상류 흡입통로에 제공된 연료선회식의 연료분사밸브로 이루어진 내연기관용 연료분사시스템에 있어서, 상기 연료분사밸브는 연료분사밸브가 장착된 위치에서 보듯이 흡입구의 형상에 선회식으로 오리피스를 통하여 분사된 연료분사스페리의 형식을 보정하는 보정수단을 그 오리피스의 출구부에 갖는 것을 특징으로 하는 연료분사시스템.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019900021667A 1989-12-28 1990-12-24 연료분사 시스템 Expired - Fee Related KR100198473B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP89-340683 1989-12-28
JP1340683A JP2619088B2 (ja) 1989-12-28 1989-12-28 燃料噴射装置

Publications (2)

Publication Number Publication Date
KR910012529A true KR910012529A (ko) 1991-08-08
KR100198473B1 KR100198473B1 (ko) 1999-06-15

Family

ID=18339311

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900021667A Expired - Fee Related KR100198473B1 (ko) 1989-12-28 1990-12-24 연료분사 시스템

Country Status (4)

Country Link
US (1) US5156130A (ko)
JP (1) JP2619088B2 (ko)
KR (1) KR100198473B1 (ko)
DE (1) DE4041921A1 (ko)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3052525B2 (ja) * 1992-01-30 2000-06-12 株式会社日立製作所 電磁式燃料噴射弁の加工方法
JPH0681754A (ja) * 1992-07-16 1994-03-22 Unisia Jecs Corp 燃料噴射弁
JP3560174B2 (ja) * 1994-05-17 2004-09-02 株式会社デンソー 流体噴射ノズル及びそれを用いた燃料噴射弁
US5526796A (en) * 1994-06-01 1996-06-18 Southwest Research Institute Air assisted fuel injector with timed air pulsing
US5765750A (en) * 1996-07-26 1998-06-16 Siemens Automotive Corporation Method and apparatus for controlled atomization in a fuel injector for an internal combustion engine
JP3505996B2 (ja) * 1998-03-19 2004-03-15 トヨタ自動車株式会社 内燃機関用燃料噴射弁
US6029913A (en) * 1998-09-01 2000-02-29 Cummins Engine Company, Inc. Swirl tip injector nozzle
JP3780472B2 (ja) * 2000-01-27 2006-05-31 愛三工業株式会社 燃料噴射弁
DE60114344T2 (de) * 2000-10-26 2006-07-27 Hitachi, Ltd. Kraftstoffeinspritzventil und Kraftstoffeinspritzsystem
JP2005307904A (ja) * 2004-04-23 2005-11-04 Denso Corp 燃料噴射装置
EP2693006B1 (en) * 2011-03-30 2016-03-30 Mitsubishi Heavy Industries, Ltd. Fuel gas supply device for gas engine
US11098686B2 (en) * 2017-05-12 2021-08-24 Hitachi Automotive Systems, Ltd. Fuel injection valve

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE467724C (de) * 1923-05-20 1928-10-27 Otto August Banner Brennstoffspritzduese mit zwei schraeg gegeneinander gerichteten Spritzkanaelen fuerluftlose Einspritzung, insbesondere in Diesel- oder Halbdieselmaschinen
DD134976B1 (de) * 1978-03-16 1980-12-24 Helmut Nehrig Einspritzduese fuer brennkraftmaschinen
JPS5827575U (ja) * 1981-07-20 1983-02-22 トヨタ自動車株式会社 内燃機関の燃料噴射制御装置
JPS5859361A (ja) * 1981-10-06 1983-04-08 Nippon Denso Co Ltd 内燃機関の始動用燃料噴射弁
JPS59131575U (ja) * 1983-02-23 1984-09-04 トヨタ自動車株式会社 電子制御機関用燃料噴射弁
JPS61140174A (ja) * 1984-12-12 1986-06-27 Hitachi Ltd ゲ−トタ−ンオフサイリスタ
JPS61167474A (ja) * 1985-01-21 1986-07-29 Washi Chuetsu Board Kk 不燃建材の下地処理方法及び装置
US4773374A (en) * 1985-10-03 1988-09-27 Nippondenso Co., Ltd. Fuel injection system for internal combustion engine
JPS6350667A (ja) * 1986-08-19 1988-03-03 Aisan Ind Co Ltd 電磁式燃料噴射弁のノズル構造
JP2550127B2 (ja) * 1987-09-25 1996-11-06 株式会社日立製作所 電磁式燃料噴射弁
DE3733604A1 (de) * 1987-10-05 1989-04-13 Bosch Gmbh Robert Lochkoerper fuer eine kraftstoffeinspritzventil
US4982716A (en) * 1988-02-19 1991-01-08 Toyota Jidosha Kabushiki Kaisha Fuel injection valve with an air assist adapter for an internal combustion engine
US4974565A (en) * 1988-02-26 1990-12-04 Toyota Jidosha Kabushiki Kaisha Fuel swirl generation type fuel injection valve and direct fuel injection type spark ignition internal combustion engine mounted with the fuel injection valve
DE3808396C2 (de) * 1988-03-12 1995-05-04 Bosch Gmbh Robert Kraftstoffeinspritzventil
JP2650307B2 (ja) * 1988-03-19 1997-09-03 株式会社デンソー 半導体圧力センサの製造方法
JPH01148059U (ko) * 1988-03-31 1989-10-13
JP2771254B2 (ja) * 1988-07-13 1998-07-02 株式会社日立製作所 電磁式燃料噴射弁
JP2865677B2 (ja) * 1988-10-07 1999-03-08 株式会社日立製作所 ガソリンエンジンの燃料供給装置
DE3943005A1 (de) * 1988-12-28 1990-07-05 Hitachi Ltd Elektromagnetische einspritzventilvorrichtung
US5016819A (en) * 1989-07-20 1991-05-21 Siemens-Bendix Automotive Electronics L.P. Electromagnetic fuel injector having split stream flow director
JP3025860U (ja) * 1995-09-18 1996-06-25 将一 川▲崎▼ 野良猫回避板

Also Published As

Publication number Publication date
JP2619088B2 (ja) 1997-06-11
KR100198473B1 (ko) 1999-06-15
JPH03202673A (ja) 1991-09-04
US5156130A (en) 1992-10-20
DE4041921A1 (de) 1991-07-04

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