KR880006453A - 전자 연료 분사밸브 - Google Patents

전자 연료 분사밸브 Download PDF

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Publication number
KR880006453A
KR880006453A KR870012730A KR870012730A KR880006453A KR 880006453 A KR880006453 A KR 880006453A KR 870012730 A KR870012730 A KR 870012730A KR 870012730 A KR870012730 A KR 870012730A KR 880006453 A KR880006453 A KR 880006453A
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KR
South Korea
Prior art keywords
armature
layer
injection valve
fuel injection
core
Prior art date
Application number
KR870012730A
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English (en)
Other versions
KR950001334B1 (ko
Inventor
마사히로 소라마
도꾸오 고스게
도오루 이시가와
히사노부 가나마루
미즈호 요유야마
야스오 가미쓰마
Original Assignee
미다 가쓰시게
가부시기 가이샤 히다찌세이사꾸쇼
모리 마찌쓰다
히다찌 오토모티브 엔지니어링 가부시기 가이샤
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
Priority claimed from JP61272383A external-priority patent/JPS63125875A/ja
Priority claimed from JP62006022A external-priority patent/JPH07103837B2/ja
Priority claimed from JP62024581A external-priority patent/JPS63195379A/ja
Application filed by 미다 가쓰시게, 가부시기 가이샤 히다찌세이사꾸쇼, 모리 마찌쓰다, 히다찌 오토모티브 엔지니어링 가부시기 가이샤 filed Critical 미다 가쓰시게
Publication of KR880006453A publication Critical patent/KR880006453A/ko
Application granted granted Critical
Publication of KR950001334B1 publication Critical patent/KR950001334B1/ko

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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
    • 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
    • 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
    • F02M51/08—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
    • F02M61/14—Arrangements of injectors with respect to engines; Mounting of injectors
    • F02M61/145—Arrangements of injectors with respect to engines; Mounting of injectors the injection nozzle opening into the air intake conduit
    • 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
    • F02M61/166—Selection of particular materials
    • 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
    • F02M2200/02—Fuel-injection apparatus having means for reducing wear
    • 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
    • F02M2200/505—Adjusting spring tension by sliding spring seats
    • 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
    • F02M2200/90—Selection of particular materials
    • F02M2200/9038—Coatings
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S239/00—Fluid sprinkling, spraying, and diffusing
    • Y10S239/90—Electromagnetically actuated fuel injector having ball and seat type valve

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)

Abstract

내용 없음

Description

전자 연료 분사밸브
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 일실시예에 의한 전자식 연료 분사 밸브의 단면도.
제2도는 요오크, 코어 조립구조를 설명하기 위한 도.
제3도는 가동부의 조립구조를 설명하기 위한 도.
제4도는 본 발명의 다른 실시예를 나타낸 도.
제5도는 상기 분사 밸브의 요부를 나타낸 부분확대 단면도.
제6도 (1)~(3)은 상기 분사 밸브의 내마모 표면처리 수단을 실시한 구체적 태양예를 나타낸 단면도.
제7도는 상기 내마모 표면처리 수단의 재질적 경도특성을 나타낸 경도 곡선도이다.

Claims (8)

  1. 선단에 밸브체를 타단에 자성재성의 전기자를 구비한 가동자, 상기 전기자에 그 선단이 대향하는 자성재 제의 통형상 코어, 이 통형상 코어의 주위의 사이에 전자흡인력을 발생시키는 전자코일을 구비하고, 또 상기 가동자의 밸브체측과 전기자측에 이 가동자의 축방향으로의 이동을 안내하는 가이드부를 가지는 것에 있어서, 상기 가동자의 상기 전기자 측의 가이드부가 전기자와 상기 코어와의 사이에 형성된 비자성재로 이루어진 섭동부재에 의하여 구성되어 있는 것을 특징으로 하는 전자식 연료 분사 밸브.
  2. 제1항에 있어서, 상기 비자성재성의 섭동부재는 그 일단이 상기 전기자에 고정되고 타단이 상기 통형상 코어의 내주면과 섭접하는 통형상체로 구성되어 있는 것을 특징으로 하는 전자식 연료 분사 밸브.
  3. 선단에 밸브체를 타단에 자정재제의 전기자를 구비한 가동부재, 상기 전기자에 그 선단이 대향하는 자성재제의 통형상 코어, 이 통형상 코어의 주위에 배치되고, 통전시에 상기 통형상 코어와 전기자와의 사이에 전자 흡인력을 발생시키는 전자코일을 구비하고, 또 상기 자동자의 밸브체측과 전기자측에 이 가동자의 축방향의 이동을 안내하는 가이드부를 가지는 것에 있어서, 상기 코어와 전기자와의 사이에 있어서 양자를 동축상태로 지지하는 지지부재를 설치함과 동시에, 그 지지부재에 의하여 상기 전기자측의 가이드부를 구성한 것을 특징으로 하는 전자식 연료 분사 밸브.
  4. 제3항에 있어서, 상기 지지부재가 상기 전기자에 일단이 고정되고, 타단이 상기 통형상 코어의 내주에 섭동가능하게 삽입된 비자성재제의 지지체인 것을 특징으로 하는 전자식 연료 분사 밸브.
  5. 제1항에 있어서, 상기 가동자 및 코어가 서로 충돌하는 면의 어느 한쪽 또는 양쪽의 충돌면에 내마모성을 가지는 표면경화층을 설치함과 동시에 그 표면 경화층과 상기 충돌면의 표면과의 사이에는 상기 가동자와 상기 코어의 충돌시의 충격을 완화하기 위한 충격완화층을 개재 시킨 것을 특징으로 하는 전자식 분사 밸브.
  6. 제5항에 있어서, 상기 표면 경화층은 크롬층으로 이루어지고, 상기 충격완화층은 닉켈층으로 이루어진 전자식 연료 분사 밸브.
  7. 제5항에 있어서, 상기 표면경화층은 산화 크롬층으로 이루어지고, 상기 충격완화층은 크롬층으로 이루어진 전자식 연료 분사 밸브.
  8. 제5항에 있어서, 상기 표면경화층을 닉켈기에 경화입자를 분산시킨 것으로 이루어지고, 상기 충격완화 층은 닉켈층으로 이루어진 전자식 연료 분사 밸브.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019870012730A 1986-11-15 1987-11-12 전자연료 분사밸브 KR950001334B1 (ko)

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
JP61-272383 1986-11-15
JP?86-272383 1986-11-15
JP61272383A JPS63125875A (ja) 1986-11-15 1986-11-15 電磁式燃料噴射弁
JP?87-6022 1987-01-16
JP62006022A JPH07103837B2 (ja) 1987-01-16 1987-01-16 電磁式燃料噴射弁
JP62-6022 1987-01-16
JP?87-24581 1987-02-06
JP62-24581 1987-02-06
JP62024581A JPS63195379A (ja) 1987-02-06 1987-02-06 電磁式燃料噴射弁

Publications (2)

Publication Number Publication Date
KR880006453A true KR880006453A (ko) 1988-07-23
KR950001334B1 KR950001334B1 (ko) 1995-02-17

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019870012730A KR950001334B1 (ko) 1986-11-15 1987-11-12 전자연료 분사밸브

Country Status (5)

Country Link
US (1) US5012982A (ko)
KR (1) KR950001334B1 (ko)
DE (1) DE3738877C2 (ko)
FR (1) FR2606830B1 (ko)
GB (1) GB2198589B (ko)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2515758B2 (ja) * 1986-10-29 1996-07-10 株式会社日立製作所 電磁式燃料噴射弁装置の製造方法
IT1211159B (it) * 1987-06-09 1989-09-29 Weber Srl Valvola per la dosatura e la polverizzazione di carburante per un dispositivo ad iniezione del carburante in un motore acombustione interna
IT1222137B (it) * 1987-07-27 1990-09-05 Weber Srl Elettroiniettore perfezionato per alimentare combustibile a motori a combustione interna
IT1219396B (it) * 1988-06-23 1990-05-11 Weber Srl Valvola per la dosatura e la polverizzazione di carburante ad azionamento elettromagnetico provvista di fori laterali di ingresso del carburante
IT1219397B (it) * 1988-06-23 1990-05-11 Weber Srl Valvola per la dosatura e la polverizzazione di carburante ad azionamento elettromagnetico provvista di doppia serie di fori laterali di ingresso del carburante
JPH0710471B2 (ja) * 1989-09-25 1995-02-08 株式会社日立製作所 複数部材からなる精密部品の同心結合方法、及びこれを利用した燃料噴射弁のノズル組立方法
DE4101235C1 (ko) * 1991-01-17 1992-06-04 Robert Bosch Gmbh, 7000 Stuttgart, De
DE4214778C2 (de) * 1992-05-04 1996-11-21 Flaekt Ransburg Bmbh Sprühbeschichtungseinrichtung für flüssige Farbe
DE4306220A1 (de) * 1993-02-27 1994-09-01 Teves Gmbh Alfred Verfahren zum Verschließen von Druckmittel führenden Kanälen in einem Gehäuse
JP3085008B2 (ja) * 1993-03-12 2000-09-04 株式会社デンソー 流体噴射弁
US5312050A (en) * 1993-05-03 1994-05-17 General Motors Corporation Electromagnetic fuel injector
US5417373A (en) * 1994-02-10 1995-05-23 Siemens Automotive L.P. Electromagnet for valves
DE4421429A1 (de) * 1994-06-18 1995-12-21 Bosch Gmbh Robert Elektromagnetisch betätigbares Brennstoffeinspritzventil
US5775599A (en) * 1996-06-12 1998-07-07 Impco Technologies, Inc. Gaseous fuel injector for internal combustion engine
US5875747A (en) * 1997-03-26 1999-03-02 Lamp; Justin Internal combustion engine
US6250284B1 (en) 1997-03-26 2001-06-26 Justin Lamp Engine with fuel delivery system
US5975437A (en) * 1997-11-03 1999-11-02 Caterpillar, Inc. Fuel injector solenoid utilizing an apertured armature
US6056214A (en) * 1997-11-21 2000-05-02 Siemens Automotive Corporation Fuel injector
DE19757169A1 (de) * 1997-12-20 1999-07-01 Telefunken Microelectron Verfahren zur Herstellung eines elektromagnetischen Aktuators
DE19757170A1 (de) * 1997-12-20 1999-07-01 Telefunken Microelectron Elektromagnetischer Aktuator
JP2001050133A (ja) * 1999-08-06 2001-02-23 Hitachi Ltd 電子燃料噴射弁
US6676044B2 (en) * 2000-04-07 2004-01-13 Siemens Automotive Corporation Modular fuel injector and method of assembling the modular fuel injector
US6508416B1 (en) * 2000-04-28 2003-01-21 Delphi Technologies, Inc. Coated fuel injector valve
US6708906B2 (en) 2000-12-29 2004-03-23 Siemens Automotive Corporation Modular fuel injector having a surface treatment on an impact surface of an electromagnetic actuator and having an integral filter and dynamic adjustment assembly
DE10108719A1 (de) * 2001-02-23 2002-09-05 Bosch Gmbh Robert Kraftstoffeinspritzsystem für Brennkraftmaschinen
DE10246230A1 (de) * 2002-10-04 2004-04-29 Robert Bosch Gmbh Einspritzventil und Verfahren zu dessen Herstellung
DE102004063167A1 (de) * 2004-12-29 2006-07-13 Robert Bosch Gmbh Verschleißfestes Ventil für Flüssigkeiten und Verfahren zu dessen Herstellung
DE102005054944A1 (de) * 2005-11-17 2007-05-24 BSH Bosch und Siemens Hausgeräte GmbH Wasserführendes Haushaltgerät
US20080152491A1 (en) * 2006-12-26 2008-06-26 Davies Lucy V Coatings for use in fuel system components
JP4948295B2 (ja) * 2007-07-06 2012-06-06 愛三工業株式会社 燃料噴射弁
DE102007050817A1 (de) * 2007-10-24 2009-04-30 Robert Bosch Gmbh Elektromagnetisch betätigbares Ventil
US9051910B2 (en) 2013-01-31 2015-06-09 Caterpillar Inc. Valve assembly for fuel system and method
US9453456B2 (en) * 2014-01-21 2016-09-27 Dresser-Rand Company Electronic pre-chamber injector
US10641221B2 (en) * 2015-10-12 2020-05-05 Continental Automotive Gmbh Electromagnetic injection valve and method for assembling an electromagnetic injection valve
CN106050501B (zh) * 2016-08-02 2018-09-11 成都威特电喷有限责任公司 高可靠性电控高压燃油喷射装置
CN108757251B (zh) * 2018-03-07 2023-09-22 宁波赛驰动力技术有限公司 喷油器
CN113782773A (zh) * 2021-09-14 2021-12-10 哈尔滨工程大学 一种基于电磁控制阀的燃料电池用的变流量式引射器

Family Cites Families (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2062420A1 (de) * 1970-12-18 1972-06-22 Bosch Gmbh Robert Elektromagnetisch betätigbares Kraftstoff-Einspritzventil für eine Brennkraftmaschine
US3865312A (en) * 1972-01-06 1975-02-11 Renault Electromagnetically operated ball-type injectors
JPS5330898A (en) * 1976-09-03 1978-03-23 Canon Inc Display system
JPS5535135A (en) * 1978-09-01 1980-03-12 Nippon Denso Co Ltd Electromagnetic fuel injection valve
CA1132417A (en) * 1979-01-29 1982-09-28 Gary L. Casey Electromagnetic fuel injector
US4360161A (en) * 1979-01-29 1982-11-23 The Bendix Corporation Electromagnetic fuel injector
US4231525A (en) * 1979-05-10 1980-11-04 General Motors Corporation Electromagnetic fuel injector with selectively hardened armature
IT1122430B (it) * 1979-08-03 1986-04-23 Alfa Romeo Spa Elettroiniettore a transitori rapidi
JPS56107956A (en) * 1980-01-30 1981-08-27 Hitachi Ltd Solenoid fuel injection valve
US4311280A (en) * 1980-07-21 1982-01-19 General Motors Corporation Electromagnetic fuel injector with adjustable armature spring
US4310123A (en) * 1980-07-21 1982-01-12 General Motors Corporation Electromagnetic fuel injector with adjustable armature spring
FR2492894B1 (fr) * 1980-10-29 1985-06-07 Renault Injecteur a commande electromagnetique a bille
JPS5859318A (ja) * 1981-10-06 1983-04-08 Nissan Motor Co Ltd 燃料噴射ポンプの吐出量調整装置
US4483485A (en) * 1981-12-11 1984-11-20 Aisan Kogyo kabuskiki Kaisha Electromagnetic fuel injector
US4423843A (en) * 1982-01-28 1984-01-03 General Motors Corporation Electromagnetic fuel injector with armature stop and adjustable armature spring
IT1152503B (it) * 1982-08-18 1987-01-07 Alfa Romeo Spa Elettroiniettore per un motore a c.i.
JPS59229050A (ja) * 1983-06-09 1984-12-22 Mitsubishi Motors Corp インジエクタ構造
US4578009A (en) * 1984-03-28 1986-03-25 Ncr Corporation Collector and carriage mechanism for use in a sheet dispenser
US4725041A (en) * 1984-04-16 1988-02-16 Colt Industries Inc Fuel injection apparatus and system
IT1184324B (it) * 1984-04-16 1987-10-28 Colt Ind Operating Corp Apparecchio ed impianto di iniezione del combustibile
IT1175561B (it) * 1984-07-12 1987-07-01 Spica Spa Elettroiniettore perfezionato per alimentare combustibile a un motore a c.i.
JPS6142444A (ja) * 1984-08-06 1986-02-28 Mazda Motor Corp 金属部材の結合方法
US4648559A (en) * 1985-11-04 1987-03-10 Colt Industries Operating Corp Electromagnetically actuatable fluid valve
DE3602956A1 (de) * 1986-01-31 1987-08-06 Vdo Schindling Elektromagnetisch betaetigbares kraftstoffeinspritzventil
JP2515758B2 (ja) * 1986-10-29 1996-07-10 株式会社日立製作所 電磁式燃料噴射弁装置の製造方法
GB8630686D0 (en) * 1986-12-23 1987-02-04 Lucas Ind Plc Fuel injector
US4887769A (en) * 1987-06-26 1989-12-19 Hitachi, Ltd. Electromagnetic fuel injection valve

Also Published As

Publication number Publication date
GB8726406D0 (en) 1987-12-16
GB2198589A (en) 1988-06-15
DE3738877A1 (de) 1988-05-26
FR2606830B1 (fr) 1993-04-16
DE3738877C2 (de) 1994-04-07
KR950001334B1 (ko) 1995-02-17
GB2198589B (en) 1990-09-12
US5012982A (en) 1991-05-07
FR2606830A1 (fr) 1988-05-20

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