JPS5984272U - fuel injection valve - Google Patents

fuel injection valve

Info

Publication number
JPS5984272U
JPS5984272U JP16542983U JP16542983U JPS5984272U JP S5984272 U JPS5984272 U JP S5984272U JP 16542983 U JP16542983 U JP 16542983U JP 16542983 U JP16542983 U JP 16542983U JP S5984272 U JPS5984272 U JP S5984272U
Authority
JP
Japan
Prior art keywords
nozzle body
valve needle
head
valve
fuel injection
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
JP16542983U
Other languages
Japanese (ja)
Inventor
ル−ドルフ・クラウス
Original Assignee
ロ−ベルト・ボツシユ・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング
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 ロ−ベルト・ボツシユ・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング filed Critical ロ−ベルト・ボツシユ・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング
Publication of JPS5984272U publication Critical patent/JPS5984272U/en
Pending legal-status Critical Current

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
    • 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

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

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

図面は本考案の１実施例の縦断面図である。 The drawing is a longitudinal sectional view of one embodiment of the present invention.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ノズル体の孔の外部で同／ズル体に支持された閉鎖ばね
の力に抗して燃料の流れ方向で開く弁ニードルがノズル
体の孔内に配置されており、この弁ニードルがその先端
に、弁座と協働する閉鎖ヘッドを備えかつその後端に、
球帯を備えた頭部を有する形式の燃料噴射弁において、
球帯を備えた前記頭部７が、ばね受８の凹球帯の対応受
として役立っており、このばね受８が半径方向で（ｊた
んに弁ニードルの頭部７によってのみ案内されており、
かつ、ばね受８の平らに形成された面に閉鎖はね９が作
用しており゛、かつ、弁ニードル１がノズル体３内での
案内のために案内部２を備えており、この案内部２が、
噴射口から遠い方の弁ニードル端部から、弁ニードル全
長の４分の１の範囲内に設けられてノズル体４の孔３内
に案内されており、かつ、案内部２の下流では弁ニード
ル１とノズル体の孔３との間に燃料案内めための環状通
路が形成されていることを特徴とする燃料噴射弁。A valve needle is arranged in the bore of the nozzle body and opens in the direction of fuel flow against the force of a closing spring supported on the nozzle body outside the bore of the nozzle body. , comprising a closing head cooperating with the valve seat and at its rear end;
In a fuel injection valve of the type having a head with a bulbous zone,
Said head 7 with a spherical band serves as a counterpart for the concave spherical band of a spring holder 8, which is guided in the radial direction only by the head 7 of the valve needle. ,
In addition, a closing spring 9 acts on the flat surface of the spring receiver 8, and the valve needle 1 is provided with a guide 2 for guidance in the nozzle body 3, which guide Part 2 is
It is provided within a range of one-fourth of the total length of the valve needle from the end of the valve needle that is far from the injection port, and is guided into the hole 3 of the nozzle body 4, and downstream of the guide section 2, the valve needle 1. A fuel injection valve characterized in that an annular passage for guiding fuel is formed between the hole 3 of the nozzle body and the hole 3 of the nozzle body.
JP16542983U 1974-09-18 1983-10-27 fuel injection valve Pending JPS5984272U (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE24445974 1974-09-18
DE19742444597 DE2444597A1 (en) 1974-09-18 1974-09-18 FUEL INJECTION VALVE

Publications (1)

Publication Number Publication Date
JPS5984272U true JPS5984272U (en) 1984-06-07

Family

ID=5926096

Family Applications (2)

Application Number Title Priority Date Filing Date
JP11250875A Pending JPS5155822A (en) 1974-09-18 1975-09-17 NENRYOFUN SHABEN
JP16542983U Pending JPS5984272U (en) 1974-09-18 1983-10-27 fuel injection valve

Family Applications Before (1)

Application Number Title Priority Date Filing Date
JP11250875A Pending JPS5155822A (en) 1974-09-18 1975-09-17 NENRYOFUN SHABEN

Country Status (3)

Country Link
JP (2) JPS5155822A (en)
DE (1) DE2444597A1 (en)
GB (1) GB1522677A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3005857A1 (en) * 1980-02-16 1981-09-10 Robert Bosch Gmbh, 7000 Stuttgart FUEL INJECTION NOZZLE
JPS58139578U (en) * 1982-03-16 1983-09-20 日産自動車株式会社 Fuel injection nozzle for in-cylinder injection
GB2219627B (en) * 1988-06-10 1992-10-28 Orbital Eng Pty Improvements relating to nozzles for in-cylinder fuel injection systems
US5172865A (en) * 1989-01-12 1992-12-22 Toyota Jidosha Kabushiki Kaisha Fuel supply device of an engine
US5106023A (en) * 1990-09-13 1992-04-21 Dresser-Rand Company Cartridge-type fuel injection valve assembly, for emplacement within a valve body which has an inner shoulder

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE880822C (en) * 1939-06-07 1953-06-25 Daimler Benz Ag Fuel injector with needle shaft reinforced on the valve seat
US2375492A (en) * 1941-06-11 1945-05-08 Reconstruction Finance Corp Nozzle for fuel injection systems
DE1042295B (en) * 1956-05-30 1958-10-30 Cav Ltd Fuel injector
US3156414A (en) * 1962-11-30 1964-11-10 Int Harvester Co Fuel injection nozzle
JPS475284U (en) * 1971-02-06 1972-09-16

Also Published As

Publication number Publication date
DE2444597C2 (en) 1990-08-30
DE2444597A1 (en) 1976-04-08
GB1522677A (en) 1978-08-23
JPS5155822A (en) 1976-05-17

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