EP1947324A3 - Injecteur de carburant doté d'un amplificateur de pression intégré - Google Patents

Injecteur de carburant doté d'un amplificateur de pression intégré Download PDF

Info

Publication number
EP1947324A3
EP1947324A3 EP07124131A EP07124131A EP1947324A3 EP 1947324 A3 EP1947324 A3 EP 1947324A3 EP 07124131 A EP07124131 A EP 07124131A EP 07124131 A EP07124131 A EP 07124131A EP 1947324 A3 EP1947324 A3 EP 1947324A3
Authority
EP
European Patent Office
Prior art keywords
control
control valve
return port
fuel injector
pressure
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.)
Withdrawn
Application number
EP07124131A
Other languages
German (de)
English (en)
Other versions
EP1947324A2 (fr
Inventor
Frieder Necker
Marcus Marheineke
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 EP1947324A2 publication Critical patent/EP1947324A2/fr
Publication of EP1947324A3 publication Critical patent/EP1947324A3/fr
Withdrawn legal-status Critical Current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
    • F02M57/00—Fuel-injectors combined or associated with other devices
    • F02M57/02—Injectors structurally combined with fuel-injection pumps
    • F02M57/022—Injectors structurally combined with fuel-injection pumps characterised by the pump drive
    • F02M57/025—Injectors structurally combined with fuel-injection pumps characterised by the pump drive hydraulic, e.g. with pressure amplification
    • 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
    • F02M55/00—Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
    • F02M55/002—Arrangement of leakage or drain conduits in or from injectors
    • 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
    • F02M55/00—Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
    • F02M55/04—Means for damping vibrations or pressure fluctuations in injection pump inlets or outlets
    • 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
    • F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
    • F02M59/20—Varying fuel delivery in quantity or timing
    • F02M59/34—Varying fuel delivery in quantity or timing by throttling of passages to pumping elements or of overflow passages, e.g. throttling by means of a pressure-controlled sliding valve having liquid stop or abutment
    • 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
    • F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
    • F02M59/20—Varying fuel delivery in quantity or timing
    • F02M59/36—Varying fuel delivery in quantity or timing by variably-timed valves controlling fuel passages to pumping elements or overflow passages
    • F02M59/366—Valves being actuated electrically
    • 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
    • F02M2200/04—Fuel-injection apparatus having means for avoiding effect of cavitation, e.g. erosion
    • 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
    • F02M2200/28—Details of throttles in fuel-injection apparatus

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)
EP07124131A 2007-01-18 2007-12-28 Injecteur de carburant doté d'un amplificateur de pression intégré Withdrawn EP1947324A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200710002761 DE102007002761A1 (de) 2007-01-18 2007-01-18 Kraftstoffinjektor mit integriertem Druckverstärker

Publications (2)

Publication Number Publication Date
EP1947324A2 EP1947324A2 (fr) 2008-07-23
EP1947324A3 true EP1947324A3 (fr) 2009-09-09

Family

ID=39232822

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07124131A Withdrawn EP1947324A3 (fr) 2007-01-18 2007-12-28 Injecteur de carburant doté d'un amplificateur de pression intégré

Country Status (2)

Country Link
EP (1) EP1947324A3 (fr)
DE (1) DE102007002761A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9228550B2 (en) 2013-03-11 2016-01-05 Stanadyne Llc Common rail injector with regulated pressure chamber
CN106194536B (zh) * 2016-08-31 2018-10-16 南京威孚金宁有限公司 一种电控ve泵供油正时控制系统
CN114458498B (zh) * 2022-02-24 2022-10-28 哈尔滨工程大学 一种基于节流阻容效应实现高稳定喷射的高压共轨喷油器

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10126686A1 (de) * 2001-06-01 2002-12-19 Bosch Gmbh Robert Kraftstoffeinspritzeinrichtung mit Druckverstärker
WO2003031801A1 (fr) * 2001-10-04 2003-04-17 Robert Bosch Gmbh Dispositif d'injection de carburant pour moteurs a combustion interne
WO2004001265A1 (fr) * 2002-06-21 2003-12-31 International Engine Intellectual Property Company, Llc. Atténuateur d'onde acoustique pour un rail
DE10248625A1 (de) * 2002-10-18 2004-04-29 Robert Bosch Gmbh Vorrichtung zur Drosselung der Flüssigkeitsmenge, die von einer Förderpumpe angesaugt wird
DE10335340A1 (de) * 2003-08-01 2005-02-24 Robert Bosch Gmbh Steuerventil für einen Druckübersetzer enthaltenden Kraftstoffinjektor

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006038840A1 (de) 2006-08-18 2008-02-21 Robert Bosch Gmbh Kraftstoffinjektor mit Kolbenrückholung eines Druckübersetzerkolbens

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10126686A1 (de) * 2001-06-01 2002-12-19 Bosch Gmbh Robert Kraftstoffeinspritzeinrichtung mit Druckverstärker
WO2003031801A1 (fr) * 2001-10-04 2003-04-17 Robert Bosch Gmbh Dispositif d'injection de carburant pour moteurs a combustion interne
WO2004001265A1 (fr) * 2002-06-21 2003-12-31 International Engine Intellectual Property Company, Llc. Atténuateur d'onde acoustique pour un rail
DE10248625A1 (de) * 2002-10-18 2004-04-29 Robert Bosch Gmbh Vorrichtung zur Drosselung der Flüssigkeitsmenge, die von einer Förderpumpe angesaugt wird
DE10335340A1 (de) * 2003-08-01 2005-02-24 Robert Bosch Gmbh Steuerventil für einen Druckübersetzer enthaltenden Kraftstoffinjektor

Also Published As

Publication number Publication date
DE102007002761A1 (de) 2008-07-24
EP1947324A2 (fr) 2008-07-23

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