JPH01124075U - - Google Patents

Info

Publication number
JPH01124075U
JPH01124075U JP13103988U JP13103988U JPH01124075U JP H01124075 U JPH01124075 U JP H01124075U JP 13103988 U JP13103988 U JP 13103988U JP 13103988 U JP13103988 U JP 13103988U JP H01124075 U JPH01124075 U JP H01124075U
Authority
JP
Japan
Prior art keywords
fuel injection
injection nozzle
vertical hole
hole
pin
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
JP13103988U
Other languages
English (en)
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 filed Critical
Publication of JPH01124075U publication Critical patent/JPH01124075U/ja
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
    • F02M61/06—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 being furnished at seated ends with pintle or plug shaped extensions
    • 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
    • F02M61/042—The valves being provided with fuel passages
    • F02M61/045—The valves being provided with fuel discharge orifices
    • 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
    • F02M61/18—Injection nozzles, e.g. having valve seats; Details of valve member seated ends, not otherwise provided for

Landscapes

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

Description

【図面の簡単な説明】
第１図は第１の実用例を示した図、第２図及び
第３図は第１図の―線に沿つた変化例のニー
ドルピンの断面図、第４図は第２の実施例を示し
た図である。 １……ニードル弁、２……ノズル本体、３……
ピン、４……噴口、５……弁フエース、６……弁
座、７……縦孔、８及び８′……横孔、９……環
状室、１０……スリツト、１１……拡大された区
分。

Claims (1)

  1. 【実用新案登録請求の範囲】 １ 内燃機関用の燃料噴射ノズルであつて、ノズ
    ル本体２内に配置されたニードル弁１を有してお
    り、該ニードル弁１が、噴口４を通つて突出して
    いるピン３を備えており、該ピン３が、ニードル
    弁１の弁座６の下流でノズル本体２と協動して環
    状室９を形成し、かつ、ピン３の端面側に開口す
    る袋孔状の縦孔７を有していて、該縦孔７が、横
    方向に延びる接続路を介して前記環状室９に接続
    されており、該接続路の燃料流過横断面が前記縦
    孔７の燃料流過横断面よりも大きい形式のものに
    おいて、前記接続路が、前記ピン３を横切つて延
    びる少なくとも２つの通路８，８′，１０り成つ
    ており、環状室９から粉粒が縦孔７に流入するの
    を避けるために、各通路８，８′，１０の全横断
    面にわたつて、これらの各通路８，８′，１０の
    内周壁面に対して直角な方向でそれぞれ互いに向
    き合う壁部間の、少なくとも１つの方向で測定し
    た間隔が、前記縦孔７の直径よりも小さいことを
    特徴とする、内燃機関用の燃料噴射ノズル。 ２ 前記各通路８，８′が、縦孔７の直径よりも
    小さい直径を有する孔として構成されている、実
    用新案登録請求の範囲第１項記載の燃料噴射ノズ
    ル。 ３ 前記孔８，８′，１０が、縦孔７を偏心的に
    切断して延びている、実用新案登録請求の範囲第
    ２項記載の燃料噴射ノズル。 ４ 前記孔８，８′，１０が、互いに高さをずら
    して配置されている、実用新案登録請求の範囲第
    ２項又は第３項記載の燃料噴射ノズル。
JP13103988U 1979-03-10 1988-10-07 Pending JPH01124075U (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19792909560 DE2909560A1 (de) 1979-03-10 1979-03-10 Kraftstoffeinspritzduese fuer brennkraftmaschinen

Publications (1)

Publication Number Publication Date
JPH01124075U true JPH01124075U (ja) 1989-08-23

Family

ID=6065093

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2821180A Pending JPS55123355A (en) 1979-03-10 1980-03-07 Fuel injection nozzle for internal combustion engine
JP13103988U Pending JPH01124075U (ja) 1979-03-10 1988-10-07

Family Applications Before (1)

Application Number Title Priority Date Filing Date
JP2821180A Pending JPS55123355A (en) 1979-03-10 1980-03-07 Fuel injection nozzle for internal combustion engine

Country Status (4)

Country Link
JP (2) JPS55123355A (ja)
DE (1) DE2909560A1 (ja)
FR (1) FR2451470B1 (ja)
GB (1) GB2046836B (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59130069U (ja) * 1983-02-18 1984-08-31 ダイハツ工業株式会社 内燃機関の燃料噴射弁

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB504609A (en) * 1937-05-24 1939-04-27 Singer Mfg Co Sewing machine
CH227665A (de) * 1941-10-08 1943-06-30 Bosch Gmbh Robert Einspritzdüse für Brennkraftmaschinen.
US2392474A (en) * 1944-01-31 1946-01-08 Timken Roller Bearing Co Fuel injector
FR1005022A (fr) * 1949-11-26 1952-04-07 Aviat Et Materiel Moderne Soc Perfectionnements aux injecteurs pour combustibles liquides
FR1035267A (fr) * 1951-04-10 1953-08-20 Perfectionnements apportés aux injecteurs pour moteurs à combustion
GB1447040A (en) * 1972-12-22 1976-08-25 Cav Ltd Liquid fuel injection nozzles for internal combsution engines
DE2553849A1 (de) * 1975-11-29 1977-07-28 Daimler Benz Ag Einspritzventil fuer luftverdichtende einspritzbrennkraftmaschinen

Also Published As

Publication number Publication date
GB2046836A (en) 1980-11-19
FR2451470B1 (fr) 1986-05-09
DE2909560A1 (de) 1980-09-18
FR2451470A1 (fr) 1980-10-10
GB2046836B (en) 1983-10-12
JPS55123355A (en) 1980-09-22

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