JPS6238478U - - Google Patents

Info

Publication number
JPS6238478U
JPS6238478U JP1986054869U JP5486986U JPS6238478U JP S6238478 U JPS6238478 U JP S6238478U JP 1986054869 U JP1986054869 U JP 1986054869U JP 5486986 U JP5486986 U JP 5486986U JP S6238478 U JPS6238478 U JP S6238478U
Authority
JP
Japan
Prior art keywords
valve
throttle pin
fuel injection
conical
injection valve
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
JP1986054869U
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 JPS6238478U publication Critical patent/JPS6238478U/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
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B2275/00—Other engines, components or details, not provided for in other groups of this subclass
    • F02B2275/14—Direct injection into combustion chamber
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

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図及び第２図は本考案のスロツトルピン及
び噴射孔の２つの実施例を示す図、第３図はスロ
ツトルピンを有する従来の燃料噴射弁と本考案の
燃料噴射弁との噴口横断面―弁ニードル行程特性
を比較した線図である。 １……ノズル本体、２……弁座、３……円錐状
閉鎖部、４……弁ニードル、５……圧力室、６…
…圧力肩部、７……噴射孔、８……スロツトルピ
ン、１２……円錐台形部、１３……円錐台形部、
１４……環状のエツジ、１５……円錐台形部区分
縁、１６……円錐台形部、１７……円錐台形部、
１８……円錐台形部。

Claims (1)

  1. 【実用新案登録請求の範囲】 １ 内燃機関の燃料噴射弁であつて、(イ)燃料の
    流動方向及び弁の閉鎖力の方向に対して逆向きに
    開かれる弁ニードルを有し、該弁ニードルが弁座
    の下流側に配置された、下方に向つて円錐形に先
    細に構成されたスロツトルピンを有しており、(
    ロ)弁ニードルを受容するノズル本体を有し、該
    ノズル本体内に円錐形の弁座面が配置されており
    、該弁座面がスロツトルピンを受容する中心の噴
    射孔に直接続いている形式のものにおいて、(ハ)
    噴射孔が、燃料噴射弁７が閉じているときにスロ
    ツトルピン８の少なくとも一部が侵入する、下方
    に向かつて開いている円筒形の端部区域を有して
    おり、(ニ)スロツトルピン８が円錐角を異にする
    複数の円錐台形部１２，１３；１６；１７；１８
    から構成されていることを特徴とする、内燃機関
    の燃料噴射弁。 ２ スロツトルピン８の円錐母線が縦断面図でみ
    て湾曲線をなす、実用新案登録請求の範囲第１項
    記載の燃料噴射弁。 ３ 弁ニードル４に負荷されている弁閉鎖力が、
    弁ニードル４の行程の増大と共に漸進的に増大せ
    しめられる、実用新案登録請求の範囲第１項記載
    の噴射弁。
JP1986054869U 1977-03-08 1986-04-14 Pending JPS6238478U (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19772709917 DE2709917A1 (de) 1977-03-08 1977-03-08 Kraftstoffeinspritzduese

Publications (1)

Publication Number Publication Date
JPS6238478U true JPS6238478U (ja) 1987-03-07

Family

ID=6002997

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2532678A Pending JPS53110717A (en) 1977-03-08 1978-03-06 Fuel injection nozzle
JP1986054869U Pending JPS6238478U (ja) 1977-03-08 1986-04-14

Family Applications Before (1)

Application Number Title Priority Date Filing Date
JP2532678A Pending JPS53110717A (en) 1977-03-08 1978-03-06 Fuel injection nozzle

Country Status (5)

Country Link
US (1) US4213568A (ja)
JP (2) JPS53110717A (ja)
DE (1) DE2709917A1 (ja)
FR (1) FR2383320A1 (ja)
GB (1) GB1586728A (ja)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2847058A1 (de) * 1978-10-28 1980-05-08 Maschf Augsburg Nuernberg Ag Kraftstoff-einspritzduese
JPS6052310B2 (ja) * 1980-09-05 1985-11-18 日産自動車株式会社 スロツトル型燃料噴射弁
DE3113755C2 (de) * 1981-04-04 1983-09-01 Daimler-Benz Ag, 7000 Stuttgart Drosselzapfendüse zur Kraftstoffeinspritzung in den Brennraum einer Brennkraftmaschine
DE3118485C2 (de) * 1981-05-09 1986-12-04 Daimler-Benz Ag, 7000 Stuttgart Kraftstoffeinspritzdüse für Brennkraftmaschinen
GB2104150A (en) * 1981-07-22 1983-03-02 Lucas Ind Plc I.C. Engine fuel injection nozzles
JPS5832930A (ja) * 1981-08-19 1983-02-26 Mitsubishi Electric Corp 内燃機関用燃料噴射制御装置
JPS58183859A (ja) * 1982-04-20 1983-10-27 Nissan Motor Co Ltd 燃料噴射ノズル
DE3237882A1 (de) * 1982-10-13 1984-04-19 Robert Bosch Gmbh, 7000 Stuttgart Kraftstoff-einspritzduese fuer brennkraftmaschinen
JPS59116572U (ja) * 1983-01-27 1984-08-06 株式会社ボッシュオートモーティブ　システム スロツトル型燃料噴射ノズル
DE3303470A1 (de) * 1983-02-02 1984-08-02 Jaroslavskij savod diselnoj apparatury, Jaroslavl Einspritzduese fuer verbrennungsmotore
DE3326468C2 (de) * 1983-07-22 1986-07-24 Daimler-Benz Ag, 7000 Stuttgart Drosselzapfendüse zur Kraftstoffeinspritzung in eine insbesondere als Vorkammermaschine ausgebildete Brennkraftmaschine
US4640252A (en) * 1984-01-28 1987-02-03 Mazda Motor Corporation Fuel injection system for diesel engine
JPS60183268U (ja) * 1984-05-14 1985-12-05 株式会社豊田中央研究所 間欠式渦巻噴射弁
DE3426951A1 (de) * 1984-07-21 1986-01-30 Daimler-Benz Ag, 7000 Stuttgart Drosselzapfenduese fuer eine luftverdichtende einspritzbrennkraftmaschine, insbesondere vorkammermaschine
JPS61171877A (ja) * 1985-01-26 1986-08-02 Mazda Motor Corp デイ−ゼルエンジンの燃料噴射ノズル
EP0283154A1 (en) * 1987-03-14 1988-09-21 LUCAS INDUSTRIES public limited company Fuel injection nozzle
US5037031A (en) * 1990-04-25 1991-08-06 Cummins Engine Company, Inc. Reduced trapped volume
US5042721A (en) * 1990-07-19 1991-08-27 Cummins Engine Company, Inc. Reduced gas flow open nozzle unit injector
DE4332837C1 (de) * 1993-09-27 1994-07-21 Daimler Benz Ag Kraftstoffeinspritzsystem für eine Brennkraftmaschine mit einer den Kraftstoff in einen Speicher fördernden Hochdruckpumpe
DE502007005272D1 (de) * 2006-08-29 2010-11-18 Continental Automotive Gmbh Verfahren zur reduzierung von ablagerungen innerhalb eines spritzlochs einer kraftstoffeinspritzvorrichtung
US9879644B2 (en) * 2010-04-01 2018-01-30 GM Global Technology Operations LLC Fuel injector with variable area pintle nozzle
CN102003320A (zh) * 2010-12-17 2011-04-06 无锡威孚长安有限责任公司 喷油嘴偶件
US20140060481A1 (en) * 2012-08-29 2014-03-06 GM Global Technology Operations LLC Method and apparatus of producing laminar flow through a fuel injection nozzle

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE347725C (de) * 1922-01-24 Benz & Cie Rheinische Automobi Einspritzduese fuer Verbrennungskraftmaschinen
DE662061C (de) * 1935-07-21 1938-07-04 Bosch Gmbh Robert Fluessigkeitsgesteuerte Einspritzduese fuer Brennkraftmaschinen
DE894789C (de) * 1949-12-11 1953-10-29 Daimler Benz Ag Fluessigkeitsgesteuerte Einspritzduese mit konischem Zapfen fuer Brennkraftmaschinen
CH306461A (de) * 1951-09-27 1955-04-15 Daimler Benz Ag Verfahren zur Einspritzung von Brennstoff in Brennkraftmaschinen und Einspritzdüse zur Ausübung des Verfahrens.
GB815409A (en) * 1956-04-11 1959-06-24 Bosch Gmbh Robert Improvements in or relating to atomisers
DE1026572B (de) * 1956-11-16 1958-03-20 Friedmann & Maier Ag Einspritzduese fuer Einspritzbrennkraftmaschinen
GB906603A (en) * 1958-06-14 1962-09-26 Motorpal Jihlava Improvements in and relating to fuel injection nozzles for internal combustion engines
FR1265375A (fr) * 1960-05-20 1961-06-30 Renault Injecteur de combustible pour moteur thermique
US3035780A (en) * 1960-05-20 1962-05-22 Renault Fuel injection nozzles for internal combustion engines
JPS5320606B2 (ja) * 1971-11-17 1978-06-28
FR2168712A5 (ja) * 1972-01-21 1973-08-31 Breting Olivier

Also Published As

Publication number Publication date
US4213568A (en) 1980-07-22
DE2709917A1 (de) 1978-09-14
JPS53110717A (en) 1978-09-27
FR2383320A1 (fr) 1978-10-06
FR2383320B1 (ja) 1984-02-10
GB1586728A (en) 1981-03-25

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