DE3725618C2 - Kraftstoff-Einspritzdüse für Brennkraftmaschinen - Google Patents

Kraftstoff-Einspritzdüse für Brennkraftmaschinen

Info

Publication number
DE3725618C2
DE3725618C2 DE19873725618 DE3725618A DE3725618C2 DE 3725618 C2 DE3725618 C2 DE 3725618C2 DE 19873725618 DE19873725618 DE 19873725618 DE 3725618 A DE3725618 A DE 3725618A DE 3725618 C2 DE3725618 C2 DE 3725618C2
Authority
DE
Germany
Prior art keywords
valve needle
stroke
injection
pin
injection nozzle
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
DE19873725618
Other languages
German (de)
English (en)
Other versions
DE3725618A1 (de
Inventor
Max Straubel
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
Priority to DE19873725618 priority Critical patent/DE3725618C2/de
Priority to JP1988102086U priority patent/JPH0649896Y2/ja
Publication of DE3725618A1 publication Critical patent/DE3725618A1/de
Application granted granted Critical
Publication of DE3725618C2 publication Critical patent/DE3725618C2/de
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
    • 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
    • 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
    • F02M45/083—Having two or more closing springs acting on injection-valve
    • 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
    • F02M45/12—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship providing a continuous cyclic delivery with variable pressure

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)
DE19873725618 1987-08-03 1987-08-03 Kraftstoff-Einspritzdüse für Brennkraftmaschinen Expired - Fee Related DE3725618C2 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE19873725618 DE3725618C2 (de) 1987-08-03 1987-08-03 Kraftstoff-Einspritzdüse für Brennkraftmaschinen
JP1988102086U JPH0649896Y2 (ja) 1987-08-03 1988-08-02 内燃機関の燃料噴射ノズル

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19873725618 DE3725618C2 (de) 1987-08-03 1987-08-03 Kraftstoff-Einspritzdüse für Brennkraftmaschinen

Publications (2)

Publication Number Publication Date
DE3725618A1 DE3725618A1 (de) 1989-02-23
DE3725618C2 true DE3725618C2 (de) 2002-11-07

Family

ID=6332915

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19873725618 Expired - Fee Related DE3725618C2 (de) 1987-08-03 1987-08-03 Kraftstoff-Einspritzdüse für Brennkraftmaschinen

Country Status (2)

Country Link
JP (1) JPH0649896Y2 (US20110009641A1-20110113-C00185.png)
DE (1) DE3725618C2 (US20110009641A1-20110113-C00185.png)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH081160B2 (ja) * 1988-09-19 1996-01-10 株式会社ゼクセル 燃料噴射弁
EP2857670B1 (en) * 2013-10-04 2018-12-12 Continental Automotive GmbH Fuel injector

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1433513A (en) * 1972-07-18 1976-04-28 Bosch Gmbh Robert Fuel injection nozzle for internal combustion engines
DE2822675A1 (de) * 1978-05-24 1979-11-29 Daimler Benz Ag Einspritzventil fuer eine luftverdichtende einspritzbrennkraftmaschine
DE8104272U1 (de) * 1981-02-17 1981-08-06 Robert Bosch Gmbh, 7000 Stuttgart Kraftsoffeinspritzduese
DE3105671A1 (de) * 1981-02-17 1982-09-02 Robert Bosch Gmbh, 7000 Stuttgart "kraftstoffeinspritzduese"
DE3113755C2 (de) * 1981-04-04 1983-09-01 Daimler-Benz Ag, 7000 Stuttgart Drosselzapfendüse zur Kraftstoffeinspritzung in den Brennraum einer Brennkraftmaschine
DE3342477A1 (de) * 1983-11-24 1985-01-24 Daimler-Benz Ag, 7000 Stuttgart Einspritzvorrichtung fuer eine nebenkammer-brennkraftmaschine
DE3426951A1 (de) * 1984-07-21 1986-01-30 Daimler-Benz Ag, 7000 Stuttgart Drosselzapfenduese fuer eine luftverdichtende einspritzbrennkraftmaschine, insbesondere vorkammermaschine
DE3326468C2 (de) * 1983-07-22 1986-07-24 Daimler-Benz Ag, 7000 Stuttgart Drosselzapfendüse zur Kraftstoffeinspritzung in eine insbesondere als Vorkammermaschine ausgebildete Brennkraftmaschine
DE3118485C2 (de) * 1981-05-09 1986-12-04 Daimler-Benz Ag, 7000 Stuttgart Kraftstoffeinspritzdüse für Brennkraftmaschinen
DE3604907A1 (de) * 1986-02-17 1987-08-20 Bosch Gmbh Robert Kraftstoff-einspritzduese fuer brennkraftmaschinen

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56173757U (US20110009641A1-20110113-C00185.png) * 1980-05-27 1981-12-22
GB2128676B (en) * 1982-10-20 1985-12-04 Lucas Ind Plc I c engine fuel injection nozzle
JPS59142470U (ja) * 1983-03-16 1984-09-22 三菱自動車工業株式会社 燃料噴射弁
JPS61129458A (ja) * 1984-11-27 1986-06-17 Mazda Motor Corp デイ−ゼルエンジンの燃料噴射ノズル

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1433513A (en) * 1972-07-18 1976-04-28 Bosch Gmbh Robert Fuel injection nozzle for internal combustion engines
DE2822675A1 (de) * 1978-05-24 1979-11-29 Daimler Benz Ag Einspritzventil fuer eine luftverdichtende einspritzbrennkraftmaschine
DE8104272U1 (de) * 1981-02-17 1981-08-06 Robert Bosch Gmbh, 7000 Stuttgart Kraftsoffeinspritzduese
DE3105671A1 (de) * 1981-02-17 1982-09-02 Robert Bosch Gmbh, 7000 Stuttgart "kraftstoffeinspritzduese"
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
DE3326468C2 (de) * 1983-07-22 1986-07-24 Daimler-Benz Ag, 7000 Stuttgart Drosselzapfendüse zur Kraftstoffeinspritzung in eine insbesondere als Vorkammermaschine ausgebildete Brennkraftmaschine
DE3342477A1 (de) * 1983-11-24 1985-01-24 Daimler-Benz Ag, 7000 Stuttgart Einspritzvorrichtung fuer eine nebenkammer-brennkraftmaschine
DE3426951A1 (de) * 1984-07-21 1986-01-30 Daimler-Benz Ag, 7000 Stuttgart Drosselzapfenduese fuer eine luftverdichtende einspritzbrennkraftmaschine, insbesondere vorkammermaschine
DE3604907A1 (de) * 1986-02-17 1987-08-20 Bosch Gmbh Robert Kraftstoff-einspritzduese fuer brennkraftmaschinen

Also Published As

Publication number Publication date
JPS6436565U (US20110009641A1-20110113-C00185.png) 1989-03-06
JPH0649896Y2 (ja) 1994-12-14
DE3725618A1 (de) 1989-02-23

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee