KR970066064A - Fuel injection valve for internal combustion engine - Google Patents

Fuel injection valve for internal combustion engine Download PDF

Info

Publication number
KR970066064A
KR970066064A KR1019970010300A KR19970010300A KR970066064A KR 970066064 A KR970066064 A KR 970066064A KR 1019970010300 A KR1019970010300 A KR 1019970010300A KR 19970010300 A KR19970010300 A KR 19970010300A KR 970066064 A KR970066064 A KR 970066064A
Authority
KR
South Korea
Prior art keywords
valve
spring
fuel injection
face
stopper
Prior art date
Application number
KR1019970010300A
Other languages
Korean (ko)
Inventor
맥 만프레드
Original Assignee
게오르그 뮐러; 빌프레드 뵈어
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.)
Filing date
Publication date
Application filed by 게오르그 뮐러; 빌프레드 뵈어, 로베르트 보쉬 게엠베하 filed Critical 게오르그 뮐러; 빌프레드 뵈어
Publication of KR970066064A publication Critical patent/KR970066064A/en

Links

Classifications

    • 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
    • F02M47/00Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure
    • 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
    • F02M61/00Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
    • F02M61/16Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
    • F02M61/20Closing valves mechanically, e.g. arrangements of springs or weights or permanent magnets; Damping of valve lift
    • F02M61/205Means specially adapted for varying the spring tension or assisting the spring force to close the injection-valve, e.g. with damping of valve lift
    • 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
    • F02M45/00Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship
    • F02M45/02Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship with each cyclic delivery being separated into two or more parts
    • F02M45/04Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship with each cyclic delivery being separated into two or more parts with a small initial part, e.g. initial part for partial load and initial and main part for full load
    • F02M45/08Injectors peculiar thereto
    • F02M45/083Having two or more closing springs acting on injection-valve
    • 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
    • F02M61/00Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
    • F02M61/16Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
    • F02M61/165Filtering elements specially adapted in fuel inlets to injector

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Fuel-Injection Apparatus (AREA)

Abstract

밸브 개방압 혹은 밸브 스프링의 예비 부하를 외부로부터 간단히 조절할 수 있는 연료 분사 밸브를 제공한다.It provides a fuel injection valve that can easily adjust the valve opening pressure or the preload of the valve spring from the outside.

스프링실(31)이 밸브 유지체(23)에 축방향으로 긴장 고정된 다른 부재에 의해 형성되어 있으며, 상기 부재에 제1밸브 스프링(33)을 위한 제1스토퍼면과, 상기 제1스토퍼면으로부터 격리된 제2밸브 스프링(37)을 위한 제2스토퍼면이 설치되어 있으며, 양 스토퍼면에 밸브스프링 (33,37)의 예비 부하를 조절하기 위한 수단이 배속되어 있다.The spring chamber 31 is formed by another member axially tensioned to the valve holder 23, the first stopper surface for the first valve spring 33 and the first stopper surface on the member. A second stopper face is provided for the second valve spring 37 isolated from the second stopper, and means for adjusting the preload of the valve springs 33 and 37 are attached to both stopper faces.

Description

내연 기관용 연료 분사 밸브Fuel injection valve for internal combustion engine

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제1도는 본 발명에 의한 연료 분사 밸브의 제1실시예를 도시하는 종단면도로서, 장착된 캡 내에 밸브 스프링에 배치되어 있는 구성을 도시하는 도면, 제2도는 제1도에 도시된 제1실시예의 변화 실시예를 도시하는 도면, 제3도는 본 발명에 의한 연료 분사 밸브의 제2실시예를 도시하는 종단면도로서, 스프링실이 밸브 스프링을 부하하는 2개의 조절 나사에 의해 제한되어 있는 구성을 도시하는 도면.FIG. 1 is a longitudinal sectional view showing a first embodiment of a fuel injection valve according to the present invention, showing a configuration disposed in a valve spring in a mounted cap, and FIG. 2 is a first embodiment shown in FIG. 3 is a longitudinal sectional view showing a second embodiment of the fuel injection valve according to the present invention, in which the spring chamber is limited by two adjusting screws for loading the valve spring. The figure which shows.

Claims (8)

내연 기관용 연료 분사 밸브로서, 피스톤형의 밸브 부재(5)가 설치되어 있으며, 상기 밸브 부재(5)가 축방향으로 미끄럼 이동가능하게 밸브 본체(1) 내에 있어서 안내되고 있으며, 상기 밸브 본체(1)가 축방향으로 밸브 유지체(23)에 긴장 고정되어 있으며, 상기 밸브 유지체(23)의 밸브 본체(1)와는 반대측의 단부면에 형성된 스프링실(31)이 설치되어 있으며, 상기 스프링실(31)이 서로 동축적으로 배치되어 있어 밸브 부재 (5)를 폐쇄 방향으로 부하하는 2개의 밸브 스프링을 수용하도록 작용하고 양밸브 스프링 중 제1밸브 스프링(33)이 항상 밸브 부재(5) 에 작용하고 또 제2밸브 스프링(37)이 개방 방향에 있어서의 밸브 부재(5)의 전 행정 운동의 실시 후에 비로소 밸브 부재(5)에 작용하게 되어 있으며, 또 스프링(31)과 밸브 본체(1) 사이에 있어서 밸브 유지체(23)에 축부의 고압 접속부(53)가 배치되어 있는 형식의 것에 있어서 스프링실(31)이 밸브 유지체(23)에 축방향으로 긴장 고정된 다른 부재에 의해 형성되고 있으며, 상기 부재에 제1밸브 스프링(33)을 위한 제1스토펴면과 상기 제1스트퍼면으로부터 격리된 제2밸브 스프링(37)을 위한 제2스토퍼면이 설치되어 있으며, 양스토퍼 면에 밸브 스프링(33, 37)의 예비 부하를 조절하기 위한 수단이 배속되어 있는 것을 특징으로 하는 내연기관용 연료 분사 밸브.As a fuel injection valve for an internal combustion engine, a piston type valve member (5) is provided, and the valve member (5) is guided in the valve body (1) so as to be slidable in the axial direction. ) Is tension-fixed to the valve holder 23 in the axial direction, and a spring chamber 31 formed on the end face on the side opposite to the valve body 1 of the valve holder 23 is provided. 31 are arranged coaxially with each other to act to receive two valve springs which load the valve member 5 in the closing direction, and the first valve spring 33 of both valve springs is always provided to the valve member 5. And the second valve spring 37 acts on the valve member 5 only after the full stroke movement of the valve member 5 in the opening direction, and the spring 31 and the valve body 1 ) Between the valve holder 23 The spring chamber 31 is formed by another member axially fixed to the valve holding body 23 in the form in which the high pressure connection part 53 of the shaft part is arrange | positioned, and the said 1st valve spring ( And a second stopper face for the second valve spring 37 which is isolated from the first stripper face, and the preload of the valve springs 33 and 37 is applied to both stopper faces. A fuel injection valve for an internal combustion engine, characterized in that a means for adjusting is assigned. 제1항에 있어서, 스프링실(31)이 밸브 유지체(23)의 밸브 본체(1)와는 반대측의 단부면(29)에 대해 긴장 고정된 캡(43)에 구성되어 있으며, 상기 캡(43)의 밸브 유지체(23)와는 반대측의 폐쇄된 단부면에, 제1스토퍼면(47)이 또 캡(43)의 직경 감소부에 의해 형성된 링 면에 제2스토퍼면(49)이 밸브 스프링(33, 37)을 지지하도록 형성되어 있는 것을 특징으로 하는 연료 분사 밸브.2. The cap chamber (3) according to claim 1, wherein the spring chamber (31) is constituted by a cap (43) tension-fixed with respect to an end face (29) opposite to the valve body (1) of the valve holder (23). On the closed end face of the valve holder 23 on the side opposite to the valve holder 23, the second stopper face 49 is provided on the ring face formed by the first stopper face 47 and the diameter reducing portion of the cap 43. A fuel injection valve, characterized in that it is formed to support (33, 37). 제3항에 있어서, 밸브 스프링(33, 37)의 조절 수단이 조절 원판으로서 형성되어 있으며, 상기 조정 원판이 각각 위치 고정의 단부 유리하게는 스토퍼면(47, 49)과 밸브 스프링(33, 37) 사이에 있어서 축방향으로 긴장 고정되어 있는 것을 특징으로 하는 연료 분사 밸브.4. A valve according to claim 3, wherein the adjusting means of the valve springs (33, 37) are formed as adjusting disks, said adjusting disks being advantageously end stops of position fixing, respectively, with stopper surfaces (47, 49) and valve springs (33, 37). A fuel injection valve, wherein the fuel injection valve is tensionably fixed in the axial direction. 제2항에 있어서, 캡(43)이 그 개방된 단부에 설치된 수나사산(44)에서 밸브 유지체(23)의 단부면(29)으로부터 축방향으로 돌출하는 플랜지(45)에 있어서의 대응하는 암나사산에 나사 삽입되어 있는 것을 특징으로 하는 연료 분사 밸브.3. The corresponding cap (43) in the flange (45) protruding axially from the end face (29) of the valve holder (23) at the male thread (44) provided at its open end. A fuel injection valve, which is screwed into a female thread. 제4항에 있어서, 캡(43)의 벽과 플랜지(45) 벽 사이에 시일 링(63)이 긴장 고정되어 있는 것을 특징으로 하는 연료 분사 밸브.5. The fuel injection valve according to claim 4, wherein the seal ring (63) is tensioned between the wall of the cap (43) and the wall of the flange (45). 제1항에 있어서, 밸브 스프링(33, 37)의 조절 수단이 밸브 유지체(23)에 나사 삽입 가능하고 또 외부로부터 접근 가능한 조절 나사에 의해 형성되어 있으며, 상기 조절 나사가 스프링실(31) 내로 돌입하고 있고, 상기 조절 스프링에 의해 각 밸브 스프링의 각각 1개의 스토퍼면이 이동 조절 가능한 것을 특징으로 하는 연료 분사 밸브.2. The adjustment means of the valve springs 33 and 37 is formed by a control screw which is screwable to the valve holder 23 and is accessible from the outside, wherein the adjustment screw is the spring chamber 31. A fuel injection valve rushing into the cylinder, wherein one stopper surface of each valve spring is movable by the adjustment spring. 제6항에 있어서, 제1조절 나사(67)가 스프링실(31)의 밸브 유지체(23)와는 반대측의 개방된 단부에 축방향으로 나사 삽입된 중공 나사에 의해 형성되고, 상기 중공 나사의 스프링실(31)에 돌입하고 있는 링 단부면(69)이 반경 방향 외측에 위치하는 밸브 스프링(37)을 위한 스토퍼면을 형성하고, 중공 나사의 스프링실(31)을 제한하는 내경부(71, 75)에, 제2조절 나사(73)가 나사 십입되어 있으며, 상기 제2조절 나사(73)의 중공 나사에 돌입하고 있는 단부면(77)이 반경 방향 내측에 위하하는 밸브 스프링(33)을 위한 별도의 스토퍼면을 형성하고 있는 것을 특징으로 하는 연료 분사 밸브.The first adjusting screw (67) according to claim 6, wherein the first adjusting screw (67) is formed by a hollow screw screwed in an axial direction at an open end opposite to the valve holder (23) of the spring chamber (31). The inner end portion 71 which defines the stopper surface for the valve spring 37 located in the radially outer side of the ring end surface 69 intruding into the spring chamber 31 and restricts the spring chamber 31 of the hollow screw. , The second adjustment screw 73 is screwed into the valve spring 33, the end face 77 of the second adjustment screw 73 to the hollow screw is radially inwardly located in the valve spring 33 Fuel injection valve, characterized in that for forming a separate stopper surface for. 제7항에 있어서, 밸브 스프링(33, 37)을 위한 조절 가능한 스토퍼를 형성하는 조절 나사(73, 67)가 정지 너트(79)를 이용하여 그 포지션에 있어서 고정 가능한 것을 특징으로 하는 연료 분사 밸브.Fuel injection valve according to claim 7, characterized in that the adjusting screws (73, 67) forming an adjustable stopper for the valve springs (33, 37) can be fixed in position using a stop nut (79). . ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019970010300A 1996-03-26 1997-03-25 Fuel injection valve for internal combustion engine KR970066064A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19611872.7 1996-03-26
DE19611872A DE19611872A1 (en) 1996-03-26 1996-03-26 Fuel injection valve for internal combustion engines

Publications (1)

Publication Number Publication Date
KR970066064A true KR970066064A (en) 1997-10-13

Family

ID=7789434

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019970010300A KR970066064A (en) 1996-03-26 1997-03-25 Fuel injection valve for internal combustion engine

Country Status (4)

Country Link
JP (1) JPH109093A (en)
KR (1) KR970066064A (en)
DE (1) DE19611872A1 (en)
GB (1) GB2311557B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19913286A1 (en) * 1999-03-24 2000-10-12 Man B & W Diesel Ag Injector
JP2005240779A (en) * 2004-02-27 2005-09-08 Mitsubishi Heavy Ind Ltd Internal combustion engine including fuel injection valve with needle valve spring force adjusting mechanism and adjusting method of fuel injection valve
JP2009062904A (en) * 2007-09-07 2009-03-26 Nikki Co Ltd Injector

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH350835A (en) * 1956-11-16 1960-12-15 Friedmann & Maier Ag Injection nozzle for fuel injection engines
US3767123A (en) * 1972-02-25 1973-10-23 Allis Chalmers Fuel injection nozzle holder seal
GB2240587A (en) * 1990-02-03 1991-08-07 Lucas Ind Plc I.c. engine fuel injection nozzle

Also Published As

Publication number Publication date
DE19611872A1 (en) 1997-10-02
JPH109093A (en) 1998-01-13
GB2311557B (en) 1998-07-08
GB9704128D0 (en) 1997-04-16
GB2311557A (en) 1997-10-01

Similar Documents

Publication Publication Date Title
US6085990A (en) Piezoelectric injector for fuel-injection systems of internal combustion engines
US5482213A (en) Fuel injection valve operated by expansion and contraction of piezoelectric element
US5529154A (en) Valve structure for damper
US5544628A (en) Valve control arrangement for an internal combustion engine
GB2296940A (en) Metering valve actuation
KR980002962A (en) Damping force variable buffer valve
KR980002961A (en) Damping force variable buffer valve
JP2002525487A (en) Fuel injection valve
WO2008068084A3 (en) Fuel injection valve for internal combustion engines
KR970075330A (en) Fuel injection valve for internal combustion engine
BR0007179A (en) Fuel injection valve for internal combustion engines
JPH0216361A (en) Injection valve for air compressed fuel injection internal combustion engine
US6260541B1 (en) Hydraulic lash adjuster
KR970066064A (en) Fuel injection valve for internal combustion engine
KR20200124744A (en) Rocker arm control systems
KR20000069118A (en) Liquid control valve
US6840459B1 (en) Fuel injection valve
US20040124274A1 (en) Fuel injection valve
US9297332B2 (en) Cylinder head with annular valve for internal-combustion engine
KR20010032014A (en) Device for actuating a gas exchange valve with an electromagnetic actuator
WO2001031191A3 (en) Fuel injection valve for internal combustion engines
US6880507B2 (en) Internal combustion engine with switchable cam follower
KR20030065312A (en) Connection between a stem end of a gas exchange valve in an internal combustion engine and a sleeve-shaped control piston on a tappet
KR20060015732A (en) Valve for controlling liquids
KR890000776A (en) Fuel pressure regulator of internal combustion engine

Legal Events

Date Code Title Description
WITN Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid