JPH0626416A - 前噴射及び主噴射用の燃料噴射ノズル - Google Patents

前噴射及び主噴射用の燃料噴射ノズル

Info

Publication number
JPH0626416A
JPH0626416A JP9906793A JP9906793A JPH0626416A JP H0626416 A JPH0626416 A JP H0626416A JP 9906793 A JP9906793 A JP 9906793A JP 9906793 A JP9906793 A JP 9906793A JP H0626416 A JPH0626416 A JP H0626416A
Authority
JP
Japan
Prior art keywords
injection
valve seat
fuel
hollow needle
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.)
Ceased
Application number
JP9906793A
Other languages
English (en)
Japanese (ja)
Inventor
Jaroslaw Hlousek
フロウゼク ヤロスラフ
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of JPH0626416A publication Critical patent/JPH0626416A/ja
Ceased 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
    • F02M61/16—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
    • F02M61/1806—Injection nozzles, e.g. having valve seats; Details of valve member seated ends, not otherwise provided for characterised by the arrangement of discharge orifices, e.g. orientation or size
    • F02M61/182—Discharge orifices being situated in different transversal planes with respect to valve member direction of movement
    • 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
    • F02M45/00—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship
    • F02M45/02—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship with each cyclic delivery being separated into two or more parts
    • F02M45/04—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship with each cyclic delivery being separated into two or more parts with a small initial part, e.g. initial part for partial load and initial and main part for full load
    • F02M45/08—Injectors peculiar 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
    • F02M45/00—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship
    • F02M45/02—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship with each cyclic delivery being separated into two or more parts
    • F02M45/04—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship with each cyclic delivery being separated into two or more parts with a small initial part, e.g. initial part for partial load and initial and main part for full load
    • F02M45/08—Injectors peculiar thereto
    • F02M45/086—Having more than one injection-valve controlling 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
    • F02M61/1806—Injection nozzles, e.g. having valve seats; Details of valve member seated ends, not otherwise provided for characterised by the arrangement of discharge orifices, e.g. orientation or size
    • F02M61/1826—Discharge orifices having different sizes
    • 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
    • F02M2200/46—Valves, e.g. injectors, with concentric valve bodies

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)
JP9906793A 1992-05-02 1993-04-26 前噴射及び主噴射用の燃料噴射ノズル Ceased JPH0626416A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19924214646 DE4214646A1 (de) 1992-05-02 1992-05-02 Kraftstoffeinspritzduese fuer vor- und haupteinspritzung
DE4214646.1 1992-05-02

Publications (1)

Publication Number Publication Date
JPH0626416A true JPH0626416A (ja) 1994-02-01

Family

ID=6458084

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9906793A Ceased JPH0626416A (ja) 1992-05-02 1993-04-26 前噴射及び主噴射用の燃料噴射ノズル

Country Status (3)

Country Link
JP (1) JPH0626416A (de)
DE (1) DE4214646A1 (de)
GB (1) GB2266559B (de)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6285853B1 (en) 1999-04-15 2001-09-04 Ricoh Company, Ltd. Two-sided reading-out apparatus and an image forming apparatus
JP2006503207A (ja) * 2002-10-15 2006-01-26 ローベルト　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 内燃機関用の燃料噴射装置
JP2007024041A (ja) * 2005-07-13 2007-02-01 Delphi Technologies Inc 噴射ノズル
JP2007024040A (ja) * 2005-07-13 2007-02-01 Delphi Technologies Inc 噴射ノズル
KR100742512B1 (ko) * 2006-09-20 2007-07-24 현대중공업 주식회사 디젤엔진용 ２단 ２쵸커 연료분사밸브

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4419185C2 (de) * 1994-06-01 1996-08-14 Man Nutzfahrzeuge Ag Einspritzventil für luftverdichtende Brennkraftmaschinen
US5899389A (en) * 1997-06-02 1999-05-04 Cummins Engine Company, Inc. Two stage fuel injector nozzle assembly
DE19843616B4 (de) * 1998-09-23 2006-07-06 Siemens Ag Kraftstoffeinspritzdüse
DE10058153A1 (de) * 2000-11-22 2002-06-06 Bosch Gmbh Robert Einspritzdüse mit separat steuerbaren Düsennadeln
US6557779B2 (en) 2001-03-02 2003-05-06 Cummins Engine Company, Inc. Variable spray hole fuel injector with dual actuators
DE10133434A1 (de) * 2001-07-10 2003-01-23 Bosch Gmbh Robert Kraftstoffeinspritzventil für Brennkraftmaschinen
US6637675B2 (en) 2001-07-13 2003-10-28 Cummins Inc. Rate shaping fuel injector with limited throttling
US6557776B2 (en) 2001-07-19 2003-05-06 Cummins Inc. Fuel injector with injection rate control
US6705543B2 (en) 2001-08-22 2004-03-16 Cummins Inc. Variable pressure fuel injection system with dual flow rate injector
DE10155679A1 (de) * 2001-11-13 2003-05-28 Bosch Gmbh Robert Kraftstoffeinspritzventil für Brennkraftmaschinen
FR2840367B1 (fr) * 2002-06-04 2004-12-10 Renault Sa Injecteur de carburant pour moteur a combustion interne de vehicule automobile de type diesel
DE10320491B4 (de) * 2003-05-08 2014-05-08 Volkswagen Ag Kraftstoffeinspritzventil für eine Brennkraftmaschine
DE102004011096A1 (de) * 2004-03-06 2005-09-22 Robert Bosch Gmbh Kraftstoffeinspritzventil
EP1637730B1 (de) 2004-09-17 2014-04-16 Delphi International Operations Luxembourg S.à r.l. Brennstoffeinspritzdüse und Verfahren zum Herstellen
DE102004055262A1 (de) * 2004-11-17 2006-05-18 Robert Bosch Gmbh Kraftstoffeinspritzventil für Brennkraftmaschinen
CN103967671A (zh) * 2014-05-22 2014-08-06 中国北方发动机研究所(天津) 一种双阀可变喷孔面积燃油喷嘴

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2710138A1 (de) * 1977-03-09 1978-09-14 Maschf Augsburg Nuernberg Ag Mehrloch-einspritzduese
DE3048304A1 (de) * 1980-12-20 1982-07-29 Robert Bosch Gmbh, 7000 Stuttgart "kraftstoffeinspritzduese fuer brennkraftmaschinen"

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6285853B1 (en) 1999-04-15 2001-09-04 Ricoh Company, Ltd. Two-sided reading-out apparatus and an image forming apparatus
JP2006503207A (ja) * 2002-10-15 2006-01-26 ローベルト　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 内燃機関用の燃料噴射装置
JP2007024041A (ja) * 2005-07-13 2007-02-01 Delphi Technologies Inc 噴射ノズル
JP2007024040A (ja) * 2005-07-13 2007-02-01 Delphi Technologies Inc 噴射ノズル
KR100742512B1 (ko) * 2006-09-20 2007-07-24 현대중공업 주식회사 디젤엔진용 ２단 ２쵸커 연료분사밸브

Also Published As

Publication number Publication date
GB9307480D0 (en) 1993-06-02
GB2266559B (en) 1995-08-16
GB2266559A (en) 1993-11-03
DE4214646A1 (de) 1993-11-04

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Legal Events

Date Code Title Description
A045 Written measure of dismissal of application

Free format text: JAPANESE INTERMEDIATE CODE: A045

Effective date: 20051021