KR900702219A - Electromagnetic Fuel Injector in Cartridge Design - Google Patents

Electromagnetic Fuel Injector in Cartridge Design

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Publication number
KR900702219A
KR900702219A KR1019900701239A KR900701239A KR900702219A KR 900702219 A KR900702219 A KR 900702219A KR 1019900701239 A KR1019900701239 A KR 1019900701239A KR 900701239 A KR900701239 A KR 900701239A KR 900702219 A KR900702219 A KR 900702219A
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South Korea
Prior art keywords
fuel injector
electromagnetic fuel
valve
magnetic
electromagnetic
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Application number
KR1019900701239A
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Korean (ko)
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KR960010294B1 (en
Inventor
메제니히 게르하르트
Original Assignee
지멘스-벤딕스 오토모티브 일렉트로닉스 엘. 피.
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Publication of KR900702219A publication Critical patent/KR900702219A/en
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    • 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
    • F02M51/005—Arrangement of electrical wires and connections, e.g. wire harness, sockets, plugs; Arrangement of electronic control circuits in or on fuel injection apparatus
    • 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
    • F02M51/0614—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of electromagnets or fixed armature
    • 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
    • F02M51/0614—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of electromagnets or fixed armature
    • F02M51/0617—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of electromagnets or fixed armature having two or more electromagnets
    • F02M51/0621—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of electromagnets or fixed armature having two or more electromagnets acting on one mobile armature
    • 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
    • F02M51/0632—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a spherically or partly spherically shaped armature, e.g. acting as valve body
    • 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
    • F02M51/061—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
    • 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
    • F02M51/0689—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means and permanent magnets
    • F02M51/0692—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means and permanent magnets as valve or armature return 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
    • F02M61/04—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00 having valves, e.g. having a plurality of valves in series
    • F02M61/08—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00 having valves, e.g. having a plurality of valves in series the valves opening in direction of 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
    • 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

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 없음No content

Description

카트리지 설계에서의 전자기 연료 분사기Electromagnetic Fuel Injector in Cartridge Design

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

Claims (41)

전자기, 아마츄어, 자기포울 및 밸브 하우징을 포함한 내연기관용 전자기 연료분사기에 있어서, 상기 분사기는 비자기부분 및 밸브 시트를 가진 상기 전자기를 지지하는 카트리지늘 포함하고 있는 것을 특징으로 하는 전자기 연료분사기.An electromagnetic fuel injector for an internal combustion engine comprising electromagnetic, amateur, magnetic foam and valve housing, wherein the injector comprises a cartridge holder for supporting the electromagnetic having a non-magnetic portion and a valve seat. 제1항에 있어서, 상기 카트리지는 아마츄어용 방사상 안내로써 사용되고 아마츄어는 자기포울에 대해서 직접 폐쇄하는 것을 특징으로 하는 전자기 연료 분사기.2. The electromagnetic fuel injector of claim 1, wherein the cartridge is used as a radial guide for the amateur and the amateur is closed directly against the magnetic foam. 제1항에 있어서, 상기 카트리지는 적어도 하나의 자기코일에 의해서 둘러싸여 있고, 상기 코일은 2개의 접촉핀에 연결되고 적어도 하나의 자기왕복 유동요소에 의해서 덮여져 있는 것을 특징으로 하는 전자기 연료 분사기.2. The electromagnetic fuel injector of claim 1, wherein the cartridge is surrounded by at least one magnetic coil and the coil is connected to two contact pins and covered by at least one magnetic reciprocating flow element. 제3항에 있어서, 자기왕복유동요소는 브래킷의 형태인 것을 특징으로 하는 전자기 연료분사기.4. The electromagnetic fuel injector of claim 3, wherein the magnetic reciprocating flow element is in the form of a bracket. 제3항에 있어서, 자기왕복유동요소는 한측면에서 개방된 캡에 의해서 적어도 부분적으로 형성되는 것을 특징으로 하는 전자기 연료 분사기.4. The electromagnetic fuel injector of claim 3, wherein the magnetic reciprocating flow element is formed at least in part by an open cap on one side. 제4항에 있어서, 자기코일은 자기왕복유동요소의 한쪽으로 삽입되는 것을 특징으로 하는 전자기 연료 분사기.5. The electromagnetic fuel injector of claim 4, wherein the magnetic coil is inserted into one side of the magnetic reciprocating flow element. 제3항에 있어서, 접촉핀과 자기왕복유동요소와 함께 자기코일은 플라스틱 재로에 끼워져 있고 상기 플라스틱 재료는 카트리지를 둘러싸는 하우징을 형성하는 것을 특징으로 하는 전자기 연료 분사기.4. The electromagnetic fuel injector of claim 3, wherein the magnetic coil, together with the contact pins and the magnetic reciprocating flow element, is fitted in a plastic ash and the plastic material forms a housing surrounding the cartridge. 제7항에 있어서, 밸브 하우징은 연료공급용 통로를 구비하고 적어도 하나의 연료필터를 구비하고 있는 것을 특징으로 하는 전자기 연료 분사기.8. The electromagnetic fuel injector of claim 7, wherein the valve housing includes a fuel supply passage and at least one fuel filter. 제8항에 있어서, 카트리지 밸브는 밸브하우징 안으로 가압되는 것을 특징으로 하는 전자기 연료분사기.9. The electromagnetic fuel injector of claim 8, wherein the cartridge valve is pressurized into the valve housing. 제9항에 있어서, 하우징안으로 돌출한 상기 카트리지의 부분은 연료에 의해서 전면상에 뿌려지는 것을 특징으로 하는 전자기 연료 분사기.10. The electromagnetic fuel injector of claim 9, wherein the portion of the cartridge that protrudes into the housing is sprayed on the front face by fuel. 제1항에 있어서, 카트리지 밸브는 연료입구용 및 밸브의 아래공간의 통풍용 통로를 구비하고 있는 것을 특징으로 하는 전자기 연료 분사기.2. An electromagnetic fuel injector according to claim 1, wherein the cartridge valve has a passage for the fuel inlet and a ventilation passage in the space below the valve. 제1항에 있어서, 카트리지 밸브는 안착영역에 시일링 가스켓을 가지고 있는 것을 특징으로 하는 전자기 연료 분사기.2. The electromagnetic fuel injector of claim 1, wherein the cartridge valve has a sealing gasket in the seating area. 제1항에 있어서, 비자기케이싱은 0.2-0.4mm의 벽두께를 갖고 있는 것을 특징으로 하는 전자기 연료분사기.2. The electromagnetic fuel injector of claim 1, wherein the nonmagnetic casing has a wall thickness of 0.2-0.4 mm. 제1항에 있어서, 아마츄어는 보올형상이고 3-4mm의 직경이고, 이 아마츄어의 외부원주는 왕복유동요소를 갖고 있는 것을 특징으로 하는 전자기 연료 분사기.2. The electromagnetic fuel injector of claim 1, wherein the amateur is bowl-shaped and has a diameter of 3-4 mm, the outer circumference of the amateur having a reciprocating flow element. 제1항에 있어서, 아마츄어는 원통형 형상이고, 밸브니들을 장치하고 있고 상기 아마츄어는 약 4mm의 직경, 10mm2이하인 아마츄어 포울표면 0.5-1g의 중량을 갖고 있고 바랍직한 아마츄어 스트로크는 0.1-0.2mm인 것을 특징으로 하는 전자기 연료 분사기.2. The armature of claim 1 wherein the armature is cylindrical in shape and is equipped with a valve needle and the armature has a weight of 0.5-1 g of an amateur fouling surface of less than about 4 mm in diameter and less than 10 mm 2 and the preferred armature stroke is 0.1-0.2 mm. Electromagnetic fuel injector, characterized in that. 제15항에 있어서, 작용캡은 그 중심으로 자기코일 내측에 위치되는 것을 특징으로 하는 전자기 연료 분사기.16. The electromagnetic fuel injector of claim 15, wherein the acting cap is positioned inside the magnetic coil at the center thereof. 제15항에 있어서, 아마츄어는 그 내붕 댐핑챔버를 갖고 있고, 상기 챔버는 주위공간을 구비한 적어도 하나의 댐핑슬롯에 의해서 연결되는 것을 특징으로 하는 전자기 연료 분사기.16. The electromagnetic fuel injector of claim 15, wherein the amateur has an inner roof damping chamber, the chamber being connected by at least one damping slot having a peripheral space. 제15항에 있어서, 댐핑챔버는 그 내부에 리셋스프링을 갖고 있는 것을 특징으로 하는 전자기 연료 분사기.16. The electromagnetic fuel injector of claim 15, wherein the damping chamber has a reset spring therein. 제15항에 있어서, 리셋스프링은 그 내부에 약 1-2mm의 직경을 가진 위치조정핀을 갖추고 있는 것을 특징으로 하는 전자기 연료분사기.16. The electromagnetic fuel injector of claim 15, wherein the reset spring has a positioning pin having a diameter of about 1-2 mm therein. 제15항에 있어서, 밸브니들은 아마츄어를 통해서 뻗어있고 자기 포울에서 직접폐쇄되고 폐쇄표면은 대략 1-2mm2인 것을 특징으로 하는 전자기 연료 분사기.16. The electromagnetic fuel injector of claim 15, wherein the valve needle extends through the armature and is closed directly at the magnetic foul and the closed surface is approximately 1-2 mm < 2 & gt ;. 제15항에 있어서, 아마츄어의 면 표면은 20 마이크로메터를 초과한 깊이를 가진 하나 이상의 댐핑슬롯을 구비하고 있는 것을 특징으로 하는 전자기 연료 분사기.16. The electromagnetic fuel injector of claim 15, wherein the face surface of the armature includes one or more damping slots having a depth greater than 20 micrometers. 제1항에 있어서, 적어도 하나의 추가적인 공기갭은 분사기의 동구경 조정을 위하여 카트리지 밸브의 외측에 제공되는 것을 특징으로 하는 전자기 연료 분사기.2. The electromagnetic fuel injector of claim 1, wherein at least one additional air gap is provided on the outside of the cartridge valve for adjusting the diameter of the injector. 제2항에 있어서, 동구경조정은 카트리지 밸브의 축변위에 의해서 달성되는 것을 특징으로 하는 전자기 연료 분사기.3. An electromagnetic fuel injector according to claim 2, wherein the copper diameter adjustment is achieved by the axial displacement of the cartridge valve. 제1항에 있어서, 동구경조정은 자기코일에 대한 카트리지 밸브의 축변위에 의해서 달성되는 것을 특징으로 하는 전자기 연료 분사기.2. An electromagnetic fuel injector according to claim 1, wherein the copper diameter adjustment is achieved by axial displacement of the cartridge valve with respect to the magnetic coil. 제1항에 있어서, 상기 밸브옵튜레이터는 전체 개방밸브를 위하여 10-20%의 압력강하가 일어나는 환형의 슬롯에 의해서 둘러싸여 있고 환형의 슬롯의 직경은 밸브시트의 직경보다 2-3배 더 큰것을 특징으로 하는 전자기 연료 분사기.2. The valve of claim 1 wherein the valve actuator is surrounded by an annular slot in which a pressure drop of 10-20% occurs for the total opening valve and the diameter of the annular slot is 2-3 times larger than the diameter of the valve seat. Characterized by electromagnetic fuel injector. 제25항에 있어서, 적어도 하나의 홈은 환형의 슬롯면적내에 제공되는 것을 특징으로 하는 전자기 연료 분사기.27. The electromagnetic fuel injector of claim 25, wherein at least one groove is provided in the annular slot area. 제1항에 있어서, 아마츄어는 축방향으로 2개의 대향 포울표면을 갖고 있는 것을 특징으로 하는 전자기 연료 분사기.2. The electromagnetic fuel injector of claim 1, wherein the amateur has two opposing pole surfaces in the axial direction. 제27항에 있어서, 축방향 대향 포울표면의 영역내에서 비대칭 자기장을 발생시키는 영구자기를 가진 밸브리셋용 수단을 포함하고 있는 것을 특징으로 하는 전자기 연료 분사기.28. The electromagnetic fuel injector of claim 27, comprising means for valve reset having a permanent magnet that generates an asymmetric magnetic field in the region of the axially opposite fouling surface. 제27항에 있어서, 영구자기는 축방향으로 분극된 다수의 세그먼트로 이루어진 것을 특징으로하는 전자기 연료 분사기.28. The electromagnetic fuel injector of claim 27, wherein the permanent magnet consists of a plurality of segments axially polarized. 제27항에 있어서, 분사기는 연결된 2개의 자기코일을 가진 모노 안정되고 분극된 자기회로에 장착되는 것을 특징으로 하는 전자기 연료 분사기.28. The electromagnetic fuel injector of claim 27, wherein the injector is mounted in a mono stable and polarized magnetic circuit having two magnetic coils connected thereto. 제1항에 있어서, 밸브는 외면으로 개방되고 원통형 아마츄어와 최소의 방사상 플레이를 가진 안내채널에서 안내되는 밸브핀과 함께 형성되는 옵튜레이터를 구비하고 있고 아마츄어의 직경은 안내채널의 직경과 동일하고 상기 아마츄어의 작용캡은 아마츄어 리셋을 달성하기 위하여 자기코일과 영구자기의 내측에 위치되는 것을 특징으로 하는 전자기 연료 분사기.2. The valve of claim 1, wherein the valve has an opener that is open to the outside and is formed with a cylindrical pin and a valve pin guided in the guide channel with minimal radial play and the diameter of the armature is the same as the diameter of the guide channel. The actuation cap of the armature is electromagnetic fuel injector, characterized in that it is located inside the magnetic coil and the permanent magnet to achieve an amateur reset. 제1항에 있어서, 밸브핀은 개방밸브에 대해 한쪽 측면에서 슬롯된 위치조정 디스크에 대해서 안착되는 홈을 구비하고 있는 것을 특징으로 하는 전자기 연료 분사기.2. The electromagnetic fuel injector of claim 1, wherein the valve pin has a groove seated against a positioning disk slotted on one side with respect to the open valve. 제31항에 있어서, 아마츄어 직경은 약 2.5-3mm인 것을 특징으로 하는 전자기 연료 분사기.32. The electromagnetic fuel injector of claim 31, wherein the amateur diameter is about 2.5-3 mm. 제27항에 있어서, 빌트인 연구자기의 여자화는 외부에서 적용되는 자기장에 의해서 이루어지는 것을 특징으로 하는 전자기 연료 분사기.28. The electromagnetic fuel injector of claim 27, wherein the excitation of the built-in research magnet is made by an externally applied magnetic field. 제27항에 있어서, 밸브의 동구경조정은 영구자기를 영구약화시키는 교번자기장에 의해서 이루어지는 것을 특징으로 하는 전자기 연료 분사기.28. The electromagnetic fuel injector of claim 27, wherein the dynamic diameter adjustment of the valve is made by an alternating magnetic field that permanently weakens the permanent magnet. 제27항에 있어서, 콘덴서는 밸브전류를 차단하여 카운터펄스를 발생시키기 위한 전자트리거회로에 평행하게 연결된 것을 특징으로 하는 전자기 연료 분사기.28. The electromagnetic fuel injector of claim 27, wherein the condenser is connected in parallel to an electronic trigger circuit for interrupting the valve current to generate a counter pulse. 제1항에 있어서, 상기 밸브시트를 지지하는 자기코일은 나사결합에 의해서 비지가 케이싱에 연결되는 것을 특징으로하는 전자 연료 분사기.The electronic fuel injector of claim 1, wherein the magnetic coil supporting the valve seat is connected to the casing by screwing. 제37항에 있어서, 아마츄어 스트로크의 구경조정을 자기포울을 어떤 깊이로 나사결합함으로써 이루어지는 것을 특징으로 하는 전자기 연료 분사기.38. The electromagnetic fuel injector of claim 37, wherein the adjustment of the amateur stroke is accomplished by screwing the magnetic foam to a certain depth. 제38항에 있어서, 나사식 단면내에서 플레이를 제거시키기 위한 스프링 장치를 포함하고 있는 것을 특징으로 하는 전자기 연료 분사기.39. The electromagnetic fuel injector of claim 38, comprising a spring device for removing play within the threaded cross section. 제1항에 있어서, 축방향 중심으로 연료공급을 하기 위하여 자기포울에 직접 연결된 연결피스를 포함하고 있는 것을 특징으로 하는 전자기 연료 분사기.2. The electromagnetic fuel injector of claim 1, comprising a connecting piece directly connected to the magnetic foam for fueling axially centered. 제1항에 있어서, 밸브의 외경은 약 14-16mm인 것을 특징으로 하는 전자기 연료 분사기.2. The electromagnetic fuel injector of claim 1, wherein the outer diameter of the valve is about 14-16 mm. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019900701239A 1988-10-10 1989-10-10 Electromagnetic fuel injector in cartridge design KR960010294B1 (en)

Applications Claiming Priority (3)

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DEP3834446.7 1988-10-10
DE3834446A DE3834446A1 (en) 1988-10-10 1988-10-10 ELECTROMAGNETIC INJECTION VALVE IN CARTRIDGE DESIGN
PCT/US1989/004325 WO1990004098A1 (en) 1988-10-10 1989-10-10 Electromagnetic fuel injector in cartridge design

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KR960010294B1 (en) 1996-07-27
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DE68913209T2 (en) 1994-07-14
JPH04502947A (en) 1992-05-28

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