KR910008275A - Fuel injection valves for fuel injectors of internal combustion engines - Google Patents

Fuel injection valves for fuel injectors of internal combustion engines Download PDF

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Publication number
KR910008275A
KR910008275A KR1019900015889A KR900015889A KR910008275A KR 910008275 A KR910008275 A KR 910008275A KR 1019900015889 A KR1019900015889 A KR 1019900015889A KR 900015889 A KR900015889 A KR 900015889A KR 910008275 A KR910008275 A KR 910008275A
Authority
KR
South Korea
Prior art keywords
valve
fuel injection
magnet
chamber
magnet mover
Prior art date
Application number
KR1019900015889A
Other languages
Korean (ko)
Inventor
하프너 우도
크라우제 하인쯔-마르틴
한스 발데마르
Original Assignee
클라우스 포스. 디터 비트마이어
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 클라우스 포스. 디터 비트마이어, 로베르트 보쉬 게엠베하 filed Critical 클라우스 포스. 디터 비트마이어
Publication of KR910008275A publication Critical patent/KR910008275A/en

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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
    • 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

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  • 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)
  • Magnetically Actuated Valves (AREA)

Abstract

내용 없음No content

Description

내연기관의 연료 분사 장치를 위안 연료 분사 밸브Fuel injection valve to comfort fuel injection device of internal combustion engine

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

제1도는 본 발명의 일 실시예의 내연기관 연료분사 장치의 연료분사 밸브의 횡단면도,1 is a cross-sectional view of a fuel injection valve of an internal combustion engine fuel injection device of an embodiment of the present invention;

제2도는 제1도의 일부분 Ⅱ의 확대도,2 is an enlarged view of part II of FIG.

제3도는 연료분사 밸브의 다른 실시예의, 제2도는 상당하는 도면.3 is a view corresponding to another embodiment of a fuel injection valve, FIG.

Claims (7)

내연기관의 연료 분사 장치를 위한 연료 분사 밸브로서, 연료 공급부와 접속된 밸브실을 갖는 밸브 케이싱과 상기 밸브실에 형성된 밸브 시트와, 상기 밸브 시트와 공동 협동하여 상기 밸브 시트에 의해 둘러싸인 밸브 개구를 개폐하는 중심 밸브 니들과, 상기 밸브 니들을 귀환 스프링에 대항하여 작동하는 전자석을 갖고, 상기 전자석이 밸브 케이싱의 일부에 의해 형성된 동축의 자석 코어를 갖는 자석 그릇 형체와, 상기 자석 그릇 형체와 자석 코어 사이에 형성된 링형 자석 권선을 수용하며, 한쪽에서는 적어도 하나의 반경 방향 횡방향 구멍에 의해 연료 공급부에 접속되고 또다른 쪽에서는 밸브실에 대한 접속부를 갖는 중공원통 형상의 권설실과, 자석 그릇 형상의 개방 단부면을 덮고, 자석 코어와 정합하고 또 밸브실까지 달하는 원통형의 절결을 갖는 자석 요크와, 자석 코어 단부에 작업 간극을 남기고 마주본 중공 원통형의 자석 가동자를 갖고, 상기 자석 가동자기 상기 절결내에서 축방향으로 이동가능하게 안내되고 있으며, 또 밸브 니들의 한쪽 단부 구분을 고정적으로 둘러싸고 있는 형식의 것에 있어서, 권선실(26)과 밸브실(16)이 자석 가동자(31)에 있어서의 축방향으로 연장되는 적어도 하나의 종방향홈(38,41,47)에 의해 접속되어 있는 것을 특징으로 하는 내연기관의 연료 분사 장치를 위한 연료 분사 밸브.A fuel injection valve for a fuel injection device of an internal combustion engine, comprising: a valve casing having a valve chamber connected to a fuel supply unit, a valve seat formed in the valve chamber, and a valve opening surrounded by the valve seat in cooperative cooperation with the valve seat A magnetic bowl shape having a central valve needle for opening and closing, an electromagnet acting against the return spring of the valve needle, wherein the electromagnet has a coaxial magnet core formed by a part of the valve casing, the magnetic bowl shape and the magnetic core; A hollow cylinder-shaped snow-receiving chamber having a ring-shaped magnetic winding formed therebetween, which is connected to the fuel supply portion by at least one radial transverse hole on one side and a connection to the valve chamber on the other side; Cylindrical cuts covering the end face, mating with the magnet core and reaching the valve chamber It has a magnet yoke, and a hollow cylindrical magnet mover facing the magnetic core end with a working gap, and the magnet mover is movably guided axially within the cutout, and fixed at one end of the valve needle. In the enclosed form, the winding chamber 26 and the valve chamber 16 are connected by at least one longitudinal groove 38, 41, 47 extending in the axial direction in the magnet mover 31. A fuel injection valve for a fuel injection device of an internal combustion engine. 제1항에 있어서, 적어도 하나의 종방향홈(38,47)이 자석 가동자(31)의 내주면에 설치되어 있으며, 또 자석 가동자(31)에 있어서의 적어도 하나의 반경 방향 구멍(37)을 거쳐 권선실(26)과 접속되어 있는 것을 특징으로 하는 연료 분사 밸브.The at least one longitudinal groove (38, 47) is provided in the inner circumferential surface of the magnet mover (31), and at least one radial hole (37) in the magnet mover (31). A fuel injection valve, characterized in that connected to the winding chamber 26 via. 제1항에 있어서, 적어도 하나의 종방향홈(41)이 자석 가동자(31)의 외주에 설치되어 있으며, 권선실(26)과 직접적으로 접속되어 있는 것을 특징으로 하는 연료 분사 밸브.The fuel injection valve according to claim 1, wherein at least one longitudinal groove (41) is provided on the outer circumference of the magnet mover (31) and is directly connected to the winding chamber (26). 제2항 또는 제3항에 있어서, 적어도 하나의 내측의 종방향홈(38,47) 및 (또는) 외측의 종방향홈(41)이 자석 가동자(31)의 축방향 길이의 적어도 일부에 걸쳐 연장되어 있는 것을 특징으로 하는 연료 분사 밸브.4. The at least one inner longitudinal grooves (38, 47) and / or the outer longitudinal grooves (41) are at least part of the axial length of the magnet mover (31). A fuel injection valve, which extends over. 제1항 내지 제4항중 어느 한 항에 있어서, 적어도 하나의 종방향홈(38,47)이 밸브 니들(20)의 단부 구분(33)의 점위에 걸쳐 연장되어 있는 것을 특징으로 하는 연료 분사 밸브.5. The fuel injection valve according to claim 1, wherein at least one longitudinal groove 38, 47 extends over the point of the end segment 33 of the valve needle 20. 6. . 제1항 내지 제5항중 어느 한 항에 있어서, 적어도 하나의 외측의 종방향홈(41)이 자석 가동자(31)의 밸브니들(20)의 단부 구분(33)에 인접한 범위로부터 연장하고, 자석 가동자(31)의 밸브 니들(20)에 면한 단부까지 달하고 있는 것을 특징으로 하는 연료 분사 밸브.The at least one outer longitudinal groove (41) extends from a range adjacent to the end segment (33) of the valve needle (20) of the magnet mover (31). A fuel injection valve characterized by reaching up to an end portion facing the valve needle (20) of the magnet mover (31). 제1항 내지 제6항중 어느 한 항에 있어서, 자석 가동자(31)에 있어서의 종방향홈(38,41,47) 및 (또는) 반경 방향 구멍(37)이 서로 유리하게는 같은 원자 각도를 두고 엇갈려 배치되어 있는 것을 특징으로 하는 연료 분사 밸브.The longitudinal grooves 38, 41, 47 and / or radial holes 37 in the magnet mover 31 advantageously have the same atomic angle as in claim 1. The fuel injection valve characterized in that the staggered arrangement. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019900015889A 1989-10-06 1990-10-06 Fuel injection valves for fuel injectors of internal combustion engines KR910008275A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3933331A DE3933331A1 (en) 1989-10-06 1989-10-06 Electromagnetic fuel injection valve for internal combustion engine - has grooves along internal surface of hollow armature conducting fuel from coil space to injection nozzle
DE3933331.0 1989-10-06

Publications (1)

Publication Number Publication Date
KR910008275A true KR910008275A (en) 1991-05-31

Family

ID=6390911

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900015889A KR910008275A (en) 1989-10-06 1990-10-06 Fuel injection valves for fuel injectors of internal combustion engines

Country Status (3)

Country Link
JP (1) JPH03138447A (en)
KR (1) KR910008275A (en)
DE (1) DE3933331A1 (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4415850A1 (en) * 1994-05-05 1995-11-09 Bosch Gmbh Robert Valve needle for an electromagnetically actuated valve
DE69601206T2 (en) 1995-11-07 1999-07-08 Richard Shui San Hsiang Chia Yi Chao Lens for vision aids
US6109747A (en) * 1997-04-28 2000-08-29 Contour Optik, Inc. Eyeglass frames with magnets in flanges
US6012811A (en) 1996-12-13 2000-01-11 Contour Optik, Inc. Eyeglass frames with magnets at bridges for attachment
US6170948B1 (en) 1997-04-28 2001-01-09 Contour Optik Inc. Eyeglass device having auxiliary frame
AU2001280160A1 (en) * 2000-08-28 2002-03-13 Nok Corporation Solenoid valve
JP2002074000A (en) 2000-08-28 2002-03-12 Sanwa Bank Ltd Funds account settlement processing support system through information communication network
JP4706099B2 (en) * 2000-11-14 2011-06-22 株式会社アドヴィックス Solenoid open / close valve
JP3938563B2 (en) 2002-11-08 2007-06-27 三菱電機株式会社 solenoid valve
DE102004025969A1 (en) * 2004-05-18 2005-12-15 Hydraulik-Ring Gmbh Solenoid valve for cam shaft adjustment device, has magnetic part comprising housing connected with bush of valve part, and seal arranged in housing for sealing valve in mounting position, where housing has axial retaining components
DE102007013877B4 (en) 2007-03-20 2012-01-12 Hydraulik-Ring Gmbh Electrical contacting within an electromagnetic valve
DE102008001822A1 (en) * 2008-05-16 2009-11-19 Robert Bosch Gmbh Solenoid valve with anchor slot
JP6061074B2 (en) * 2012-09-28 2017-01-18 株式会社ケーヒン Fuel injection valve

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Publication number Publication date
DE3933331A1 (en) 1991-04-11
JPH03138447A (en) 1991-06-12

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