ATE511602T1 - Kraftstoffinjektor mit kolbenrückholung eines druckübersetzerkolbens - Google Patents

Kraftstoffinjektor mit kolbenrückholung eines druckübersetzerkolbens

Info

Publication number
ATE511602T1
ATE511602T1 AT07787148T AT07787148T ATE511602T1 AT E511602 T1 ATE511602 T1 AT E511602T1 AT 07787148 T AT07787148 T AT 07787148T AT 07787148 T AT07787148 T AT 07787148T AT E511602 T1 ATE511602 T1 AT E511602T1
Authority
AT
Austria
Prior art keywords
pressure booster
piston
pressure
chamber
fuel injector
Prior art date
Application number
AT07787148T
Other languages
English (en)
Inventor
Juergen Frasch
Stephan Wehr
Original Assignee
Bosch Gmbh Robert
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 Bosch Gmbh Robert filed Critical Bosch Gmbh Robert
Application granted granted Critical
Publication of ATE511602T1 publication Critical patent/ATE511602T1/de

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
    • 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
    • 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
    • F02M57/026—Construction details of pressure amplifiers, e.g. fuel passages or check valves arranged in the intensifier piston or head, particular diameter relationships, stop members, arrangement of ports or conduits
    • 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
    • F02M59/02—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type
    • F02M59/10—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type characterised by the piston-drive
    • F02M59/105—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type characterised by the piston-drive hydraulic drive
    • 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
    • F02M2547/00—Special features for fuel-injection valves actuated by fluid pressure
    • F02M2547/001—Control chambers formed by movable sleeves
    • 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
    • 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
    • F02M63/0026—Valves characterised by the valve actuating means electrical, e.g. using solenoid using piezoelectric or magnetostrictive actuators
    • 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
    • F02M63/004—Sliding valves, e.g. spool valves, i.e. whereby the closing member has a sliding movement along a seat for opening and closing
    • 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
    • F02M63/0043—Two-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
    • F02M63/0031—Valves characterized by the type of valves, e.g. special valve member details, valve seat details, valve housing details
    • F02M63/0045—Three-way valves

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)
AT07787148T 2006-08-18 2007-07-06 Kraftstoffinjektor mit kolbenrückholung eines druckübersetzerkolbens ATE511602T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006038840A DE102006038840A1 (de) 2006-08-18 2006-08-18 Kraftstoffinjektor mit Kolbenrückholung eines Druckübersetzerkolbens
PCT/EP2007/056865 WO2008019910A1 (de) 2006-08-18 2007-07-06 Kraftstoffinjektor mit kolbenrückholung eines druckübersetzerkolbens

Publications (1)

Publication Number Publication Date
ATE511602T1 true ATE511602T1 (de) 2011-06-15

Family

ID=38573435

Family Applications (1)

Application Number Title Priority Date Filing Date
AT07787148T ATE511602T1 (de) 2006-08-18 2007-07-06 Kraftstoffinjektor mit kolbenrückholung eines druckübersetzerkolbens

Country Status (7)

Country Link
US (1) US8210454B2 (de)
EP (1) EP2054614B1 (de)
JP (1) JP5049346B2 (de)
CN (1) CN101506513B (de)
AT (1) ATE511602T1 (de)
DE (1) DE102006038840A1 (de)
WO (1) WO2008019910A1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007002760A1 (de) 2007-01-18 2008-07-24 Robert Bosch Gmbh Kraftstoffinjektor mit integriertem Druckverstärker
DE102007002761A1 (de) 2007-01-18 2008-07-24 Robert Bosch Gmbh Kraftstoffinjektor mit integriertem Druckverstärker
DE102008040342A1 (de) 2008-07-11 2010-01-14 Robert Bosch Gmbh Druckverstärker für eine Kraftstoffeinspritzeinrichtung
FI122557B (fi) * 2009-04-02 2012-03-30 Waertsilae Finland Oy Mäntämoottorin polttoaineenruiskutusjärjestely
DE102010039051A1 (de) * 2010-08-09 2012-02-09 Robert Bosch Gmbh Einspritzvorrichtung
DE102010039048A1 (de) * 2010-08-09 2012-02-09 Robert Bosch Gmbh Einspritzvorrichtung
CN101984247B (zh) * 2010-11-04 2013-07-31 中国第一汽车集团公司 增压共轨喷油系统
CN102943726A (zh) * 2012-10-22 2013-02-27 安徽中鼎动力有限公司 一种设有分配泵的燃油喷射系统及包括该系统的柴油机
US9562505B2 (en) 2013-06-11 2017-02-07 Cummins Inc. System and method for control of fuel injector spray
EP2857670B1 (de) * 2013-10-04 2018-12-12 Continental Automotive GmbH Kraftstoffeinspritzdüse
US20180179995A1 (en) 2016-12-23 2018-06-28 Denso Corporation Internal combusition engine control apparatus
DK179521B1 (en) * 2017-12-13 2019-02-05 Hans Jensen Lubricators A/S A large slow-running two-stroke engine, a method of lubricating it, and an injector with a step-wise hydraulic pumping system for such engine and method

Family Cites Families (21)

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Publication number Priority date Publication date Assignee Title
NL55992C (de) 1939-01-20
DE1018635B (de) 1951-03-27 1957-10-31 Exact Weight Scale Company Einrichtung zum Pruefen einer Reihe aufeinanderfolgender Prueflinge hinsichtlich der Abweichung einer messbaren physikalischen Eigenschaft von einem Sollwert
DE3210735A1 (de) * 1981-12-18 1983-06-30 Robert Bosch Gmbh, 7000 Stuttgart Hydraulischer zweikreis-tandem-hauptbremszylinder
JPS601369A (ja) * 1983-06-16 1985-01-07 Nippon Soken Inc 燃料噴射弁
DE4413579A1 (de) * 1994-04-19 1995-10-26 Teves Gmbh Alfred Elektronisch regelbares Bremsbetätigungssystem
DE19546647B4 (de) * 1995-12-14 2006-07-06 Robert Bosch Gmbh Hydraulische Bremsanlage für Straßenfahrzeuge, insbesondere Personenkraftwagen
US6007160A (en) * 1997-02-21 1999-12-28 Kelsey-Hayes Company Electrohydraulic brake booster and method of controlling same for smooth brake pedal feel
JPH11263214A (ja) * 1998-01-13 1999-09-28 Jidosha Kiki Co Ltd ブレーキ倍力システム
JP2001153602A (ja) * 1999-11-30 2001-06-08 Fuji Oozx Inc エンジンバルブの変位測定装置
US6877679B2 (en) * 2000-01-27 2005-04-12 Keith Trevor Lawes Fuel injector
JP2002154424A (ja) * 2000-11-20 2002-05-28 Aisin Seiki Co Ltd 液圧ブレーキ装置
DE10063545C1 (de) * 2000-12-20 2002-08-01 Bosch Gmbh Robert Kraftstoffeinspritzeinrichtung
DE10218904A1 (de) * 2001-05-17 2002-12-05 Bosch Gmbh Robert Kraftstoffeinspritzeinrichtung
DE10218635A1 (de) * 2001-05-17 2002-11-28 Bosch Gmbh Robert Kraftstoffeinspritzeinrichtung
DE10123914B4 (de) * 2001-05-17 2005-10-20 Bosch Gmbh Robert Kraftstoffeinspritzeinrichtung mit Druckübersetzungseinrichtung und Druckübersetzungseinrichtung
FR2825058B1 (fr) * 2001-05-25 2003-09-19 Bosch Sist De Frenado Sl Servomoteur a deux sauts differencies fixe et variable
DE10158951A1 (de) * 2001-12-03 2003-06-12 Daimler Chrysler Ag Mit Druckübersetzung arbeitendes Einspritzsystem
DE10251679A1 (de) * 2002-11-07 2004-05-19 Robert Bosch Gmbh Druckverstärker mit hubabhängiger Bedämpfung
EP1613856B1 (de) * 2003-04-02 2008-07-09 Robert Bosch Gmbh Servoventilangesteuerter kraftstoffinjektor mit druckübersetzer
DE102004005451A1 (de) 2004-02-04 2005-08-25 Robert Bosch Gmbh Kraftstoffeinspritzsystem für Brennkraftmaschinen
DE102004017304A1 (de) 2004-04-08 2005-10-27 Robert Bosch Gmbh Servoventilangesteuerter Kraftstoffinjektor

Also Published As

Publication number Publication date
JP2009545701A (ja) 2009-12-24
DE102006038840A1 (de) 2008-02-21
JP5049346B2 (ja) 2012-10-17
US8210454B2 (en) 2012-07-03
EP2054614A1 (de) 2009-05-06
WO2008019910A1 (de) 2008-02-21
CN101506513A (zh) 2009-08-12
CN101506513B (zh) 2012-08-08
EP2054614B1 (de) 2011-06-01
US20110168812A1 (en) 2011-07-14

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