KR890014868A - 내연기관 연료 분사 밸브 - Google Patents

내연기관 연료 분사 밸브 Download PDF

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Publication number
KR890014868A
KR890014868A KR1019890002939A KR890002939A KR890014868A KR 890014868 A KR890014868 A KR 890014868A KR 1019890002939 A KR1019890002939 A KR 1019890002939A KR 890002939 A KR890002939 A KR 890002939A KR 890014868 A KR890014868 A KR 890014868A
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KR
South Korea
Prior art keywords
fuel injection
injection valve
combustion engine
internal combustion
valve
Prior art date
Application number
KR1019890002939A
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English (en)
Other versions
KR960003696B1 (ko
Inventor
지글러 에발트
비데라 외르크
아른트 스테판
시몬 니콜라우스
Original Assignee
클라우스 포스, 만프레드 크네쉬
로베르트 보쉬 게엠베하
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.)
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Application filed by 클라우스 포스, 만프레드 크네쉬, 로베르트 보쉬 게엠베하 filed Critical 클라우스 포스, 만프레드 크네쉬
Publication of KR890014868A publication Critical patent/KR890014868A/ko
Application granted granted Critical
Publication of KR960003696B1 publication Critical patent/KR960003696B1/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
    • F02M61/18—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
    • 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
    • F02M51/0675—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 valve body having cylindrical guiding or metering portions, e.g. with fuel passages
    • F02M51/0678—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 valve body having cylindrical guiding or metering portions, e.g. with fuel passages all portions having fuel passages, e.g. flats, grooves, diameter reductions
    • 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
    • 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
    • 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
    • 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
    • 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

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

내연기관 연료 분사 밸브
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 연료 분사 밸브의 한 실시예를 도시하는 것으로서, 연료 분사 밸브의 부분도.
제2도는 제1도(II-II)선을 따른 단면도.

Claims (7)

  1. 세로축선에 관해서 대칭적으로 형성된 밸브 케이싱을 가지며, 내연기관용 연료 분사 밸브이며, 상기 밸브 케이싱내에 밸브 좌면과 협동하는 밸브 폐쇄부재가 배치되어 있는 형식의 내연기관용 연료 분사 밸브에 있어서, 밸브 좌면(12)의 하류에 중앙개구(13,24,25)가 설치되어 있으며, 중앙개구(13,24,25)에서 반경방향 외측으로 적어도 2개의 접선방향 통로(28)이 연상되고 있으며, 각 집선방향 통로(28)가 각각 각 스윌실(27)에 접선방향에서 개구되어 있고, 연료 때문의 정량개구(29)가 각각 상기 스윌실(27)의 중앙에서 외측(30)으로 관통하고 있는 것을 특징으로 하는 세로축선에 관해서 대칭적으로 형성된 밸브 케이싱을 가지는 내연기관 연료 분사 밸브.
  2. 제1항에 있어서, 정량기구(29)가 밸브 케이싱(7)의 세로축선(8)에 대해서 경사로 연장되는 것을 특징으로 하는 연교 분사 밸브.
  3. 제1항에 있어서, 스윌실(27)내에 같은 방향의 스윌이 생기도록, 접선방향 통로(28)가 스윌실(27)로 개구되어 있음을 특징으로 하는 연료 분사 밸브.
  4. 제1항에 있어서, 정량개부(29)가 밸브 케이싱(7)에 설치된 어태치멘트(18)에 형성되고 있는 것을 특징으로 하는 연료 분사 밸브.
  5. 제4항에 있어서, 접선방향 통로(28) 및 스월실(27)이 어태치멘트(18)에 형성되어 있음을 특징으로 하는 연료 분사 밸브.
  6. 제5항에 있어서, 어태치멘트(18)가 밸브 케이싱(7)상에 삽입 가능한 것을 특징으로 하는 연료 분사 밸브.
  7. 제2항내지 제6항중 어느 한 항에 있어서, 연료가 적어도 2개의 정량개구(29)를 거쳐서 내연기관(3)의 상이한 흡기밸브(32)를 향해서 분사되는 것을 특징으로 하는 연료 분사 밸브.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019890002939A 1988-03-12 1989-03-10 내연기관용 연료분사밸브 KR960003696B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DEP3808396.5 1988-03-12
DE3808396.5 1988-03-12
DE3808396A DE3808396C2 (de) 1988-03-12 1988-03-12 Kraftstoffeinspritzventil

Publications (2)

Publication Number Publication Date
KR890014868A true KR890014868A (ko) 1989-10-25
KR960003696B1 KR960003696B1 (ko) 1996-03-21

Family

ID=6349651

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890002939A KR960003696B1 (ko) 1988-03-12 1989-03-10 내연기관용 연료분사밸브

Country Status (5)

Country Link
US (1) US4945877A (ko)
JP (1) JP2659789B2 (ko)
KR (1) KR960003696B1 (ko)
DE (1) DE3808396C2 (ko)
IT (1) IT1228957B (ko)

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Also Published As

Publication number Publication date
DE3808396C2 (de) 1995-05-04
JP2659789B2 (ja) 1997-09-30
US4945877A (en) 1990-08-07
JPH01271656A (ja) 1989-10-30
DE3808396A1 (de) 1989-09-21
IT8919627A0 (it) 1989-03-03
KR960003696B1 (ko) 1996-03-21
IT1228957B (it) 1991-07-11

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