KR870700120A - Fuel injection nozzles for internal combustion engines - Google Patents

Fuel injection nozzles for internal combustion engines

Info

Publication number
KR870700120A
KR870700120A KR1019860700811A KR860700811A KR870700120A KR 870700120 A KR870700120 A KR 870700120A KR 1019860700811 A KR1019860700811 A KR 1019860700811A KR 860700811 A KR860700811 A KR 860700811A KR 870700120 A KR870700120 A KR 870700120A
Authority
KR
South Korea
Prior art keywords
mover
nozzle
coil core
permanent magnet
needle
Prior art date
Application number
KR1019860700811A
Other languages
Korean (ko)
Inventor
하프너 마르틴
트라흐테 디트리히
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 KR870700120A publication Critical patent/KR870700120A/en

Links

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
    • F02M65/00—Testing fuel-injection apparatus, e.g. testing injection timing ; Cleaning of fuel-injection apparatus
    • F02M65/005—Measuring or detecting injection-valve lift, e.g. to determine injection timing
    • 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
    • F02M2200/20—Fuel-injection apparatus with permanent magnets

Landscapes

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

Abstract

내용 없음.No content.

Description

내연기관을 위한 연료 분사 노즐Fuel injection nozzles for internal combustion engines

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

본 발명의 2개의 실시예가 도면에 도시되어 있고, 이하에 상세히 설명한다.Two embodiments of the invention are shown in the drawings and are described in detail below.

제1도는 제1실시예의 일부를 종단면도로 또한 일부를 측면도로 도시한 도.1 shows a part of the first embodiment in a longitudinal section and a part in a side view;

제2도는 제2실시예의, 제1도보다도 확대된 일부분의 종단면도이다.FIG. 2 is a longitudinal sectional view of a portion of the second embodiment, which is enlarged than FIG.

Claims (5)

내연기관을 위한 연료 분사 노즐로서, 노즐 본체 및 상기 노즐 본체가 부동으로 긴밀히 체결되어 있는 노즐 홀더를 가하고, 상기 노즐 본체 내에는 밸브 시트가 형성되어 있어 밸브 니이들이 이동가능하게 안내되어 있고, 상기 밸브 니이들에는 폐쇄 스프링의 스프링력 및 상기 폐쇄 스프링의 스프링력에 대하여 역방향으로 작용하는 연료압이 부하되어 있고, 상기 노즐 홀더는 폐쇄 스프링과, 니이들 행정 혹은 니이들 속도에 관련하는 신호를 발생시키는 유도 코일을 수행하는 실을 가지고 있으며, 또 상기 유도 코일에 밸브 니이들의 작용을 받는 가동자 및 상기 가동자와 협동하여 공기 갭을 형성하는 코일 코어가 속하고 있으며, 상기 코일 코어로 향해 가동자가 개방행정시에 운동하는 형식의 것에 있어서, 유도코일(30), 가동자(34) 및 코일 코어(39)에 영구자석체(40)가 속하고 있고, 이 경우 영구자석체의 자계가 가동자(34)와 코일 코어(39)간의 공기 캡을 통하고 있고, 또 공기 갭의 변화에 관련하는 영구 자석체(40)의 자계의 변화가 상기 유도코일(30)중에 평가 가능한 전압 신호를 유도하는 것을 특징으로 하는 내연기관을 위한 연료분사 노즐.A fuel injection nozzle for an internal combustion engine, comprising: a nozzle body and a nozzle holder in which the nozzle body is immovably tightly coupled, and a valve seat is formed in the nozzle body so that a valve needle is movably guided; The needle is loaded with a spring force of the closing spring and a fuel pressure acting in a reverse direction with respect to the spring force of the closing spring, and the nozzle holder generates a signal related to the closing spring and the needle stroke or needle speed. It has a seal for performing an induction coil, and belongs to the mover under the action of the valve needle and the coil core in cooperation with the mover to form an air gap, the mover toward the coil core In the form of moving in the open stroke, the induction coil 30, the mover 34 and the coil core 39 The spherical magnet 40 belongs, in which case the magnetic field of the permanent magnet passes through the air cap between the mover 34 and the coil core 39, and the permanent magnet body related to the change of the air gap ( 40. A fuel injection nozzle for an internal combustion engine, characterized in that the change in the magnetic field induces an appreciable voltage signal in the induction coil (30). 제1항에 있어서, 영구 자석체(40)가 코일 코어(39)에 배치되어 있는 것을 특징으로 하는 분사 노즐.The spray nozzle according to claim 1, wherein the permanent magnet body (40) is arranged in the coil core (39). 제1항에 있어서, 영구 자석체(40a)가 밸브 니이들(14)의 작용을 받는 가동자(34a)에 배치되어 있는 것을 특징으로 하는 분사 노즐.2. The spray nozzle according to claim 1, wherein the permanent magnet body (40a) is arranged on the mover (34a) under the action of the valve needle (14). 제2항에 있어서, 가동자(34)가 유도 코일(30)의 구멍내에 삽입되어 있고, 또 유도코일(30)의 축방향에서 후방으로 배치된 코일 코어(39)의 구멍(41)의 개구부내로 침입하고 있는 것을 특징으로 하는 분사 노즐.The opening of the hole 41 of the coil core 39 according to claim 2, wherein the mover 34 is inserted into the hole of the induction coil 30 and is disposed rearward in the axial direction of the induction coil 30. A spray nozzle characterized by intruding into the chamber. 제2항 내지 제4항중 어느 한 항에 있어서, 영구 자석체(40, 40a)가, 코일 코어(39) 혹은 가동자(34)의 한 축방향 구분을 형성하는 원판으로서 구성되어 있는 것을 특징으로 하는 분사 노즐.The permanent magnet body 40, 40a is comprised as a disc which forms the axial division of the coil core 39 or the movable body 34 in any one of Claims 2-4. Spray nozzle. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019860700811A 1985-03-15 1986-01-23 Fuel injection nozzles for internal combustion engines KR870700120A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE3509375.7 1985-03-15
DE19853509375 DE3509375A1 (en) 1985-03-15 1985-03-15 FUEL INJECTION NOZZLE FOR INTERNAL COMBUSTION ENGINES
PCT/DE1986/000023 WO1986005553A1 (en) 1985-03-15 1986-01-23 Fuel injection nozzle for internal combustion engine

Publications (1)

Publication Number Publication Date
KR870700120A true KR870700120A (en) 1987-03-14

Family

ID=6265342

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019860700811A KR870700120A (en) 1985-03-15 1986-01-23 Fuel injection nozzles for internal combustion engines

Country Status (5)

Country Link
EP (1) EP0216789A1 (en)
JP (1) JPS62502206A (en)
KR (1) KR870700120A (en)
DE (1) DE3509375A1 (en)
WO (1) WO1986005553A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3839036A1 (en) * 1988-11-18 1990-05-23 Bosch Gmbh Robert FUEL INJECTION NOZZLE FOR INTERNAL COMBUSTION ENGINES
DE3839811A1 (en) * 1988-11-25 1990-05-31 Bosch Gmbh Robert Fuel injection nozzle for internal combustion engines
CN109967678B (en) * 2019-04-22 2023-10-20 中信戴卡股份有限公司 Forging die cleaning system

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2932480A1 (en) * 1979-08-10 1981-02-26 Bosch Gmbh Robert FUEL INJECTION NOZZLE FOR INTERNAL COMBUSTION ENGINES

Also Published As

Publication number Publication date
WO1986005553A1 (en) 1986-09-25
JPS62502206A (en) 1987-08-27
EP0216789A1 (en) 1987-04-08
DE3509375A1 (en) 1986-09-25

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