EP1939440A3 - Brennstoffeinspritzventil - Google Patents

Brennstoffeinspritzventil Download PDF

Info

Publication number
EP1939440A3
EP1939440A3 EP07122092A EP07122092A EP1939440A3 EP 1939440 A3 EP1939440 A3 EP 1939440A3 EP 07122092 A EP07122092 A EP 07122092A EP 07122092 A EP07122092 A EP 07122092A EP 1939440 A3 EP1939440 A3 EP 1939440A3
Authority
EP
European Patent Office
Prior art keywords
outlet
solenoid valve
valve
fuel injection
fuel injector
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.)
Granted
Application number
EP07122092A
Other languages
English (en)
French (fr)
Other versions
EP1939440A2 (de
EP1939440B1 (de
Inventor
Gert Wolf
Matthias Burger
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 EP1939440A2 publication Critical patent/EP1939440A2/de
Publication of EP1939440A3 publication Critical patent/EP1939440A3/de
Application granted granted Critical
Publication of EP1939440B1 publication Critical patent/EP1939440B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F02M47/00—Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure
    • F02M47/02—Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure of accumulator-injector type, i.e. having fuel pressure of accumulator tending to open, and fuel pressure in other chamber tending to close, injection valves and having means for periodically releasing that closing pressure
    • F02M47/027—Electrically actuated valves draining the chamber to release the closing pressure
    • 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
    • F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
    • F02M63/0012—Valves
    • F02M63/0014—Valves characterised by the valve actuating means
    • F02M63/0015—Valves characterised by the valve actuating means electrical, e.g. using solenoid
    • F02M63/0024—Valves characterised by the valve actuating means electrical, e.g. using solenoid in combination with permanent magnet
    • 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
    • F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
    • F02M63/0012—Valves
    • F02M63/0031—Valves characterized by the type of valves, e.g. special valve member details, valve seat details, valve housing details
    • F02M63/0045—Three-way valves
    • 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
    • F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
    • F02M63/0012—Valves
    • F02M63/0059—Arrangements of valve actuators
    • F02M63/0061—Single actuator acting on two or more 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
    • F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
    • F02M63/0012—Valves
    • F02M63/0059—Arrangements of valve actuators
    • F02M63/0063—Two or more actuators acting on a single valve body
    • 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)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Fuel-Injection Apparatus (AREA)

Abstract

Ein Brennstoffeinspritzventil (1) dient als Injektor für Brennstoffeinspritzanlagen von luftverdichtenden, selbstzündenden Brennkraftmaschinen. Das Brennstoffeinspritzventil (1) weist ein Ventilgehäuse (2) und ein in dem Ventilgehäuse (2) angeordnetes Magnetventil (20) auf. Dabei steuert das Magnetventil (20) über einen Servosteuerkreislauf (40) eine Brennstoffmenge, die durch Düsenöffnungen (15,58) abspritzbar ist. Dabei sperrt das Magnetventil (20) in einer ersten Stellung eine Verbindung eines ersten Ablaufs (34) und eines zweiten Ablaufs (35) des Servosteuerkreislaufs (40) mit einem Rücklauf (32). In einer zweiten Stellung gibt das Magnetventil (20) den ersten Ablauf (34) und den zweiten Ablauf (35) frei. Des weiteren gibt das Magnetventil (20) in einer dritten Stellung den ersten Ablauf (34) frei und sperrt den zweiten Ablauf (35).
EP20070122092 2006-12-29 2007-12-03 Brennstoffeinspritzventil Not-in-force EP1939440B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200610061947 DE102006061947A1 (de) 2006-12-29 2006-12-29 Brennstoffeinspritzventil

Publications (3)

Publication Number Publication Date
EP1939440A2 EP1939440A2 (de) 2008-07-02
EP1939440A3 true EP1939440A3 (de) 2009-09-09
EP1939440B1 EP1939440B1 (de) 2013-06-19

Family

ID=39230762

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20070122092 Not-in-force EP1939440B1 (de) 2006-12-29 2007-12-03 Brennstoffeinspritzventil

Country Status (2)

Country Link
EP (1) EP1939440B1 (de)
DE (1) DE102006061947A1 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2924175A3 (fr) * 2007-11-23 2009-05-29 Renault Sas Dispositif d'injection de carburant dote d'injecteur(s)
GB0919645D0 (en) 2009-11-10 2009-12-23 Sentec Ltd Flux switched fuel injector
US9562505B2 (en) * 2013-06-11 2017-02-07 Cummins Inc. System and method for control of fuel injector spray
DE102013112751A1 (de) * 2013-11-19 2015-05-21 Denso Corporation Kraftstoffinjektor
DE102013112752A1 (de) * 2013-11-19 2015-05-21 Denso Corporation Kraftstoffinjektor
DE102017202932A1 (de) * 2017-02-23 2018-08-23 Robert Bosch Gmbh Brennstoffeinspritzventil zum Einspritzen eines gasförmigen und/oder flüssigen Brennstoffs
DE102017212084A1 (de) 2017-07-14 2019-01-17 Robert Bosch Gmbh Bistabiles Magnetventil für ein hydraulisches Bremssystem und Verfahren zur Ansteuerung eines solchen Ventils
CN114483404B (zh) * 2022-03-09 2023-02-14 哈尔滨工程大学 一种具有柔性阻尼的电磁-永磁多磁场复合式高速电磁阀
CN114458502A (zh) * 2022-03-09 2022-05-10 哈尔滨工程大学 一种稳定落座的永磁-电磁耦合磁场高速电磁阀
CN114458504B (zh) * 2022-03-09 2022-10-28 哈尔滨工程大学 一种变阻尼预磁化的永磁-电磁混合励磁高速电磁阀
CN115977842B (zh) * 2023-01-05 2024-04-12 钧风电控科技(泰州)有限责任公司 一种辅助关闭的燃油喷射器

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10031686A1 (de) * 1999-06-29 2001-03-22 Aisan Ind Injektoren
FR2823535A1 (fr) * 2001-04-12 2002-10-18 Toyota Motor Co Ltd Dispositif d'injection de carburant
EP1724462A2 (de) * 2005-05-04 2006-11-22 Robert Bosch Gmbh Kraftstoffeinspritzdüse

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10164123A1 (de) 2001-12-24 2003-01-30 Bosch Gmbh Robert Kraftstoff-Einspritzvorrichtung

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10031686A1 (de) * 1999-06-29 2001-03-22 Aisan Ind Injektoren
FR2823535A1 (fr) * 2001-04-12 2002-10-18 Toyota Motor Co Ltd Dispositif d'injection de carburant
EP1724462A2 (de) * 2005-05-04 2006-11-22 Robert Bosch Gmbh Kraftstoffeinspritzdüse

Also Published As

Publication number Publication date
EP1939440A2 (de) 2008-07-02
EP1939440B1 (de) 2013-06-19
DE102006061947A1 (de) 2008-07-03

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