WO2009056395A3 - Injecteur de carburant pour moteur à combustion interne - Google Patents

Injecteur de carburant pour moteur à combustion interne Download PDF

Info

Publication number
WO2009056395A3
WO2009056395A3 PCT/EP2008/062436 EP2008062436W WO2009056395A3 WO 2009056395 A3 WO2009056395 A3 WO 2009056395A3 EP 2008062436 W EP2008062436 W EP 2008062436W WO 2009056395 A3 WO2009056395 A3 WO 2009056395A3
Authority
WO
WIPO (PCT)
Prior art keywords
injection valve
fuel
pressure
combustion engine
internal combustion
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
PCT/EP2008/062436
Other languages
German (de)
English (en)
Other versions
WO2009056395A2 (fr
Inventor
Andreas Rau
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 AT08804376T priority Critical patent/ATE519032T1/de
Priority to EP08804376A priority patent/EP2205852B1/fr
Publication of WO2009056395A2 publication Critical patent/WO2009056395A2/fr
Publication of WO2009056395A3 publication Critical patent/WO2009056395A3/fr
Anticipated expiration legal-status Critical
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
    • F02M51/00—Fuel-injection apparatus characterised by being operated electrically
    • F02M51/06—Injectors peculiar thereto with means directly operating the valve needle
    • F02M51/0603—Injectors peculiar thereto with means directly operating the valve needle using piezoelectric or magnetostrictive operating means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/20—Output circuits, e.g. for controlling currents in command coils
    • F02D41/2096—Output circuits, e.g. for controlling currents in command coils for controlling piezoelectric injectors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/30—Controlling fuel injection
    • F02D41/38—Controlling fuel injection of the high pressure type
    • F02D41/3809—Common rail control systems
    • F02D41/3836—Controlling the fuel pressure
    • F02D41/3863—Controlling the fuel pressure by controlling the flow out of the common rail, e.g. using pressure relief valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/20—Output circuits, e.g. for controlling currents in command coils
    • F02D2041/2003—Output circuits, e.g. for controlling currents in command coils using means for creating a boost voltage, i.e. generation or use of a voltage higher than the battery voltage, e.g. to speed up injector opening
    • 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
    • F02M2200/70—Linkage between actuator and actuated element, e.g. between piezoelectric actuator and needle valve or pump plunger
    • F02M2200/703—Linkage between actuator and actuated element, e.g. between piezoelectric actuator and needle valve or pump plunger hydraulic
    • 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
    • F02M2200/70—Linkage between actuator and actuated element, e.g. between piezoelectric actuator and needle valve or pump plunger
    • F02M2200/703—Linkage between actuator and actuated element, e.g. between piezoelectric actuator and needle valve or pump plunger hydraulic
    • F02M2200/705—Linkage between actuator and actuated element, e.g. between piezoelectric actuator and needle valve or pump plunger hydraulic with means for filling or emptying hydraulic chamber, e.g. for compensating clearance or thermal expansion

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

L'invention concerne un injecteur de carburant pour moteur à combustion interne, comprenant au moins un orifice d'injection (16), une soupape d'injection (10) qui commande l'injection de carburant par l'orifice d'injection (16), un actionneur (43) qui actionne un piston (8) et sur lequel est formée une surface de compression (47), une chambre de compression (20) remplie de carburant et délimitée par la surface de compression (47), et un conduit d'admission de carburant (7) qui, selon la position de la soupape d'injection (10), est relié à l'orifice d'injection, la pression du carburant dans la chambre de compression (20) exerçant une force sur la soupape d'injection (10), et la chambre de compression (20) étant reliée au conduit d'admission de carburant (7) par l'intermédiaire d'une soupape de décharge (56).
PCT/EP2008/062436 2007-10-29 2008-09-18 Injecteur de carburant pour moteur à combustion interne Ceased WO2009056395A2 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AT08804376T ATE519032T1 (de) 2007-10-29 2008-09-18 Verfahren zum betreiben einer brennkraftmaschine mit einem kraftstoffeinspritzventil
EP08804376A EP2205852B1 (fr) 2007-10-29 2008-09-18 Procédé de commande d'un moteur à combustion avec un injecteur à combustible

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007051554A DE102007051554A1 (de) 2007-10-29 2007-10-29 Kraftstoffeinspritzventil für eine Brennkraftmaschine
DE102007051554.7 2007-10-29

Publications (2)

Publication Number Publication Date
WO2009056395A2 WO2009056395A2 (fr) 2009-05-07
WO2009056395A3 true WO2009056395A3 (fr) 2009-06-18

Family

ID=40490281

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2008/062436 Ceased WO2009056395A2 (fr) 2007-10-29 2008-09-18 Injecteur de carburant pour moteur à combustion interne

Country Status (4)

Country Link
EP (1) EP2205852B1 (fr)
AT (1) ATE519032T1 (fr)
DE (1) DE102007051554A1 (fr)
WO (1) WO2009056395A2 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012212614A1 (de) 2012-07-18 2014-01-23 Continental Automotive Gmbh Piezoinjektor mit hydraulisch gekoppelter Düsennadelbewegung
DE102012222509A1 (de) 2012-12-07 2014-06-12 Continental Automotive Gmbh Piezoinjektor
DE102012223934B4 (de) 2012-12-20 2015-10-15 Continental Automotive Gmbh Piezoinjektor
GB201420017D0 (en) * 2014-11-11 2014-12-24 Delphi International Operations Luxembourg S.�.R.L. Hydraulic lash adjuster arrangement ina servo injector
CN114151240A (zh) * 2021-11-19 2022-03-08 哈尔滨工程大学 单体泵控制式多阀氨燃料喷射系统

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10352736A1 (de) * 2003-11-12 2005-07-07 Robert Bosch Gmbh Kraftstoffinjektor mit direkter Nadeleinspritzung
DE102005032841A1 (de) * 2005-07-14 2007-01-25 Robert Bosch Gmbh Zielender Betrieb eines Einspritzventils mit Spannungsabsenkung zwischen Einspritzungen
DE102005059169A1 (de) * 2005-12-12 2007-06-14 Robert Bosch Gmbh Kraftstoffinjektor mit direkt betätigbarem Einspritzventilglied
DE102006036444A1 (de) * 2006-03-30 2007-10-04 Robert Bosch Gmbh Kraftstoffinjektor

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10352736A1 (de) * 2003-11-12 2005-07-07 Robert Bosch Gmbh Kraftstoffinjektor mit direkter Nadeleinspritzung
DE102005032841A1 (de) * 2005-07-14 2007-01-25 Robert Bosch Gmbh Zielender Betrieb eines Einspritzventils mit Spannungsabsenkung zwischen Einspritzungen
DE102005059169A1 (de) * 2005-12-12 2007-06-14 Robert Bosch Gmbh Kraftstoffinjektor mit direkt betätigbarem Einspritzventilglied
DE102006036444A1 (de) * 2006-03-30 2007-10-04 Robert Bosch Gmbh Kraftstoffinjektor

Also Published As

Publication number Publication date
WO2009056395A2 (fr) 2009-05-07
EP2205852A2 (fr) 2010-07-14
ATE519032T1 (de) 2011-08-15
DE102007051554A1 (de) 2009-04-30
EP2205852B1 (fr) 2011-08-03

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