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DE59100345D1 - Fuel injection nozzle for internal combustion engines. - Google Patents

Fuel injection nozzle for internal combustion engines.

Info

Publication number
DE59100345D1
DE59100345D1 DE91110219T DE59100345T DE59100345D1 DE 59100345 D1 DE59100345 D1 DE 59100345D1 DE 91110219 T DE91110219 T DE 91110219T DE 59100345 T DE59100345 T DE 59100345T DE 59100345 D1 DE59100345 D1 DE 59100345D1
Authority
DE
Germany
Prior art keywords
internal combustion
fuel injection
injection nozzle
combustion engines
engines
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.)
Expired - Fee Related
Application number
DE91110219T
Other languages
German (de)
Inventor
Karl Dipl Ing Hofmann
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
Application granted granted Critical
Publication of DE59100345D1 publication Critical patent/DE59100345D1/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • 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
    • F02B3/00—Engines characterised by air compression and subsequent fuel addition
    • F02B3/06—Engines characterised by air compression and subsequent fuel addition with compression ignition
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F7/00—Casings, e.g. crankcases or frames
    • F02F2007/0097—Casings, e.g. crankcases or frames for large diesel engines
    • 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)
DE91110219T 1990-07-21 1991-06-21 Fuel injection nozzle for internal combustion engines. Expired - Fee Related DE59100345D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4023223A DE4023223A1 (en) 1990-07-21 1990-07-21 FUEL INJECTION NOZZLE FOR INTERNAL COMBUSTION ENGINES

Publications (1)

Publication Number Publication Date
DE59100345D1 true DE59100345D1 (en) 1993-10-07

Family

ID=6410750

Family Applications (2)

Application Number Title Priority Date Filing Date
DE4023223A Withdrawn DE4023223A1 (en) 1990-07-21 1990-07-21 FUEL INJECTION NOZZLE FOR INTERNAL COMBUSTION ENGINES
DE91110219T Expired - Fee Related DE59100345D1 (en) 1990-07-21 1991-06-21 Fuel injection nozzle for internal combustion engines.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE4023223A Withdrawn DE4023223A1 (en) 1990-07-21 1990-07-21 FUEL INJECTION NOZZLE FOR INTERNAL COMBUSTION ENGINES

Country Status (3)

Country Link
EP (1) EP0470348B1 (en)
JP (1) JPH04232375A (en)
DE (2) DE4023223A1 (en)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9709678D0 (en) * 1997-05-14 1997-07-02 Lucas Ind Plc Fuel injector
DE19758066A1 (en) 1997-12-29 1999-07-01 Steyr Daimler Puch Ag Pump nozzle type with open injection nozzle
GB9916464D0 (en) * 1999-07-14 1999-09-15 Lucas Ind Plc Fuel injector
DE10010863A1 (en) 2000-03-06 2001-09-27 Bosch Gmbh Robert Fuel injection nozzle; has nozzle body with two groups of nozzle holes opened and closed by two nozzle needles, which are independently operated and are arranged next to each other
DE10034446A1 (en) 2000-07-15 2002-01-24 Bosch Gmbh Robert Fuel injector
DE10057631A1 (en) 2000-11-21 2002-05-23 Bosch Gmbh Robert Fuel injection valve
DE10118699A1 (en) * 2001-04-17 2002-10-31 Bosch Gmbh Robert Fuel injection device and fuel system for internal combustion engines, and internal combustion engine
DE10122241A1 (en) 2001-05-08 2002-12-05 Bosch Gmbh Robert Fuel injection valve for internal combustion engines
DE10122389A1 (en) * 2001-05-09 2002-11-21 Bosch Gmbh Robert Fuel injection device for internal combustion engines
US6725838B2 (en) 2001-10-09 2004-04-27 Caterpillar Inc Fuel injector having dual mode capabilities and engine using same
DE10315820A1 (en) 2002-11-11 2004-05-27 Robert Bosch Gmbh Fuel injection valve for motor vehicle internal combustion engine has housing with injection openings and sliding valve needle with double seating surfaces
US7331537B2 (en) 2002-11-11 2008-02-19 Robert Bosch Gmbh Fuel injection valve for internal combustion engines
DE10348978A1 (en) 2003-10-22 2005-05-25 Robert Bosch Gmbh Fuel injection device, in particular for a direct injection internal combustion engine
DE102004060180B4 (en) * 2004-12-14 2007-04-05 Siemens Ag Nozzle assembly and injector
JP4412241B2 (en) 2005-06-15 2010-02-10 株式会社デンソー Fuel injection valve
JP2007071093A (en) * 2005-09-07 2007-03-22 Denso Corp Fuel injection nozzle
JP4454567B2 (en) * 2005-11-14 2010-04-21 株式会社デンソー Fuel injection nozzle
JP6356543B2 (en) * 2014-09-02 2018-07-11 株式会社Ｓｏｋｅｎ Fuel injection valve
US10392987B2 (en) 2017-03-29 2019-08-27 Cummins Emission Solutions Inc. Assembly and methods for NOx reducing reagent dosing with variable spray angle nozzle

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2711390A1 (en) * 1977-03-16 1978-09-21 Bosch Gmbh Robert FUEL INJECTOR
CH623114A5 (en) * 1977-09-01 1981-05-15 Sulzer Ag
DE3214040A1 (en) * 1982-04-16 1983-10-20 Volkswagenwerk Ag, 3180 Wolfsburg Fuel injection nozzle, especially for a high-speed vehicle diesel engine

Also Published As

Publication number Publication date
JPH04232375A (en) 1992-08-20
EP0470348A1 (en) 1992-02-12
EP0470348B1 (en) 1993-09-01
DE4023223A1 (en) 1992-01-23

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee