WO2007104366A3 - Kraftstoffeinspritzventil für brennkraftmaschinen - Google Patents

Kraftstoffeinspritzventil für brennkraftmaschinen Download PDF

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Publication number
WO2007104366A3
WO2007104366A3 PCT/EP2006/066165 EP2006066165W WO2007104366A3 WO 2007104366 A3 WO2007104366 A3 WO 2007104366A3 EP 2006066165 W EP2006066165 W EP 2006066165W WO 2007104366 A3 WO2007104366 A3 WO 2007104366A3
Authority
WO
WIPO (PCT)
Prior art keywords
hollow needle
needle
opening
internal combustion
combustion engines
Prior art date
Application number
PCT/EP2006/066165
Other languages
English (en)
French (fr)
Other versions
WO2007104366A2 (de
Inventor
Dieter Junger
Wolfgang Schlund
Joerg-Peter Fischer
Reiner Kaess
Heidi Arleth
Guenter Kriegsmann
Olaf Ohlhafer
Original Assignee
Bosch Gmbh Robert
Dieter Junger
Wolfgang Schlund
Joerg-Peter Fischer
Reiner Kaess
Heidi Arleth
Guenter Kriegsmann
Olaf Ohlhafer
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 Bosch Gmbh Robert, Dieter Junger, Wolfgang Schlund, Joerg-Peter Fischer, Reiner Kaess, Heidi Arleth, Guenter Kriegsmann, Olaf Ohlhafer filed Critical Bosch Gmbh Robert
Publication of WO2007104366A2 publication Critical patent/WO2007104366A2/de
Publication of WO2007104366A3 publication Critical patent/WO2007104366A3/de

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
    • F02M61/10—Other injectors with elongated valve bodies, i.e. of needle-valve type
    • F02M61/12—Other injectors with elongated valve bodies, i.e. of needle-valve type characterised by the provision of guiding or centring means for valve bodies
    • 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
    • F02M61/04—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
    • 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
    • F02M61/162—Means to impart a whirling motion to fuel upstream or near discharging orifices
    • F02M61/163—Means being injection-valves with helically or spirally shaped grooves
    • 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
    • F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
    • F02M2200/02—Fuel-injection apparatus having means for reducing wear
    • 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)

Abstract

Kraftstoffeinspritzventil für Brennkraftmaschinen mit einer Hohlnadel (7), die zum Öffnen und Schließen wenigstens einer äußeren Einspritzöffnung (8) mit einem Ventilsitz (4) zusammenwirkt. In der Hohlnadel (7) ist eine Innennadel (5) angeordnet, die ebenfalls mit dem Ventilsitz (4) zum Öffnen und Schließen wenigstens einer inneren Einspritzöffnung (6) zusammenwirkt, wobei zwischen der Hohlnadel (7) und der Innennadel (5) ein Zwischenraum (15) ausgebildet ist, der über eine Öffnung (24) in der Hohlnadel (7) mit einem die Hohlnadel (7) umgebenden Druckraum (11) verbunden ist. Die Innennadel (5) ist mit einem ventilsitznahen Führungsabschnitt (14) in der Hohlnadel (7) geführt, wobei am Führungsabschnitt (14) wenigstens ein Durchlass (30; 32) ausgebildet ist, durch den Kraftstoff aus dem Zwischenraum (15) zu den inneren Einspritzöffnungen (6; 8) fließen kann. Wenigstens ein Durchlass (30; 32) ist so geformt, dass beim Durchströmen des Kraftstoffs eine tangentiale Kraft auf die Innennadel (5) ausgeübt wird.
PCT/EP2006/066165 2005-09-29 2006-09-08 Kraftstoffeinspritzventil für brennkraftmaschinen WO2007104366A2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200510046665 DE102005046665A1 (de) 2005-09-29 2005-09-29 Kraftstoffeinspritzventil für Brennkraftmaschinen
DE102005046665.6 2005-09-29

Publications (2)

Publication Number Publication Date
WO2007104366A2 WO2007104366A2 (de) 2007-09-20
WO2007104366A3 true WO2007104366A3 (de) 2007-10-25

Family

ID=37852625

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2006/066165 WO2007104366A2 (de) 2005-09-29 2006-09-08 Kraftstoffeinspritzventil für brennkraftmaschinen

Country Status (2)

Country Link
DE (1) DE102005046665A1 (de)
WO (1) WO2007104366A2 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009046452A1 (de) * 2009-11-06 2011-05-12 Robert Bosch Gmbh Einspritzdüse für einen lecklosen Kraftstoffinjektor
DE102011003930A1 (de) * 2011-02-10 2012-08-16 Continental Automotive Gmbh Registerdüse
CN102305162A (zh) * 2011-08-19 2012-01-04 中国兵器工业集团第七○研究所 柴油机的喷油嘴偶件
CN114810443B (zh) * 2022-04-29 2023-06-27 重庆红江机械有限责任公司 一种针阀偶件

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1033488A2 (de) * 1999-03-04 2000-09-06 Delphi Technologies, Inc. Brennstoffeinspritzventil
EP1035322A2 (de) * 1999-03-09 2000-09-13 Delphi Technologies, Inc. Kraftstoffeinspritzventil
DE10312586A1 (de) * 2003-03-21 2004-09-30 Robert Bosch Gmbh Kraftstoffeinspritzventil für Brennkraftmaschinen
DE102004046609A1 (de) * 2004-01-16 2005-08-04 Robert Bosch Gmbh Kraftstoffeinspritzventil
WO2005095785A1 (de) * 2004-03-30 2005-10-13 Robert Bosch Gmbh Kraftstoffeinspritzventil für brennkraftmaschinen
EP1693562A1 (de) * 2005-01-19 2006-08-23 Delphi Technologies, Inc. Brennstoffeinspritzventil

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1033488A2 (de) * 1999-03-04 2000-09-06 Delphi Technologies, Inc. Brennstoffeinspritzventil
EP1035322A2 (de) * 1999-03-09 2000-09-13 Delphi Technologies, Inc. Kraftstoffeinspritzventil
DE10312586A1 (de) * 2003-03-21 2004-09-30 Robert Bosch Gmbh Kraftstoffeinspritzventil für Brennkraftmaschinen
DE102004046609A1 (de) * 2004-01-16 2005-08-04 Robert Bosch Gmbh Kraftstoffeinspritzventil
WO2005095785A1 (de) * 2004-03-30 2005-10-13 Robert Bosch Gmbh Kraftstoffeinspritzventil für brennkraftmaschinen
EP1693562A1 (de) * 2005-01-19 2006-08-23 Delphi Technologies, Inc. Brennstoffeinspritzventil

Also Published As

Publication number Publication date
WO2007104366A2 (de) 2007-09-20
DE102005046665A1 (de) 2007-04-05

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