DE50301574D1 - Kraftstoffinjektor mit druckübersetzer für mehrfacheinspritzung - Google Patents

Kraftstoffinjektor mit druckübersetzer für mehrfacheinspritzung

Info

Publication number
DE50301574D1
DE50301574D1 DE50301574T DE50301574T DE50301574D1 DE 50301574 D1 DE50301574 D1 DE 50301574D1 DE 50301574 T DE50301574 T DE 50301574T DE 50301574 T DE50301574 T DE 50301574T DE 50301574 D1 DE50301574 D1 DE 50301574D1
Authority
DE
Germany
Prior art keywords
fuel injector
multiple injection
pressure translator
translator
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.)
Expired - Fee Related
Application number
DE50301574T
Other languages
English (en)
Inventor
Volkmar Kern
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 DE50301574T priority Critical patent/DE50301574D1/de
Application granted granted Critical
Publication of DE50301574D1 publication Critical patent/DE50301574D1/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
    • 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
    • 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
    • F02M45/06—Pumps peculiar thereto
    • F02M45/066—Having specially arranged spill port and spill contour on the piston
    • 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
    • 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
    • F02M47/025—Hydraulically 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
    • 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
    • F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
    • F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
    • F02M61/20—Closing valves mechanically, e.g. arrangements of springs or weights or permanent magnets; Damping of valve lift
    • F02M61/205—Means specially adapted for varying the spring tension or assisting the spring force to close the injection-valve, e.g. with damping of valve lift
    • 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
    • F02M2200/30—Fuel-injection apparatus having mechanical parts, the movement of which is damped
    • F02M2200/304—Fuel-injection apparatus having mechanical parts, the movement of which is damped using hydraulic means

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)
DE50301574T 2002-06-29 2003-04-03 Kraftstoffinjektor mit druckübersetzer für mehrfacheinspritzung Expired - Fee Related DE50301574D1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE50301574T DE50301574D1 (de) 2002-06-29 2003-04-03 Kraftstoffinjektor mit druckübersetzer für mehrfacheinspritzung

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10229412A DE10229412A1 (de) 2002-06-29 2002-06-29 Kraftstoffinjektor mit Druckübersetzer für Mehrfacheinspritzung
DE50301574T DE50301574D1 (de) 2002-06-29 2003-04-03 Kraftstoffinjektor mit druckübersetzer für mehrfacheinspritzung
PCT/DE2003/001097 WO2004003378A1 (de) 2002-06-29 2003-04-03 Kraftstoffinjektor mit druckübersetzer für mehrfacheinspritzung

Publications (1)

Publication Number Publication Date
DE50301574D1 true DE50301574D1 (de) 2005-12-08

Family

ID=29796045

Family Applications (2)

Application Number Title Priority Date Filing Date
DE10229412A Withdrawn DE10229412A1 (de) 2002-06-29 2002-06-29 Kraftstoffinjektor mit Druckübersetzer für Mehrfacheinspritzung
DE50301574T Expired - Fee Related DE50301574D1 (de) 2002-06-29 2003-04-03 Kraftstoffinjektor mit druckübersetzer für mehrfacheinspritzung

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE10229412A Withdrawn DE10229412A1 (de) 2002-06-29 2002-06-29 Kraftstoffinjektor mit Druckübersetzer für Mehrfacheinspritzung

Country Status (5)

Country Link
US (1) US6962141B2 (de)
EP (1) EP1520101B1 (de)
JP (1) JP2005531711A (de)
DE (2) DE10229412A1 (de)
WO (1) WO2004003378A1 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3960283B2 (ja) * 2003-09-01 2007-08-15 トヨタ自動車株式会社 内燃機関の燃料噴射装置
JP4196869B2 (ja) * 2004-03-31 2008-12-17 三菱ふそうトラック・バス株式会社 燃料噴射装置
JP2005315195A (ja) * 2004-04-30 2005-11-10 Toyota Motor Corp 増圧コモンレール式燃料噴射装置の燃料噴射制御方法
DE102004022268A1 (de) * 2004-05-06 2005-12-01 Robert Bosch Gmbh Ansteuerverfahren zur Beeinflussung der Öffnungsgeschwindigkeit eines Steuerventiles an einem Kraftstoffinjektor
DE102004028521A1 (de) * 2004-06-11 2005-12-29 Robert Bosch Gmbh Kraftstoffinjektor mit mehrteiligem Einspritzventilglied und mit Druckverstärker
DE102004053274A1 (de) * 2004-11-04 2006-05-11 Robert Bosch Gmbh Kraftstoffeinspritzeinrichtung
US7588012B2 (en) 2005-11-09 2009-09-15 Caterpillar Inc. Fuel system having variable injection pressure
US7472844B2 (en) * 2005-12-21 2009-01-06 Caterpillar Inc. Fuel injector nozzle with tip alignment apparatus
JP4935225B2 (ja) * 2006-07-28 2012-05-23 株式会社島津製作所 電子部品実装体
US7568632B2 (en) * 2006-10-17 2009-08-04 Sturman Digital Systems, Llc Fuel injector with boosted needle closure
US20080296412A1 (en) * 2007-06-01 2008-12-04 Caterpillar Inc. Fuel injector having a flow passage insert
US20090057438A1 (en) * 2007-08-28 2009-03-05 Advanced Propulsion Technologies, Inc. Ultrasonically activated fuel injector needle
CA2709490A1 (en) 2007-12-19 2009-07-09 Novozymes A/S Polypeptides having cellulolytic enhancing activity and polynucleotides encoding same
US20100096473A1 (en) * 2008-10-20 2010-04-22 Caterpillar Inc. Variable flow rate valve for mechnically actuated fuel injector
US8443780B2 (en) 2010-06-01 2013-05-21 Caterpillar Inc. Low leakage cam assisted common rail fuel system, fuel injector, and operating method therefor
EP2508746A1 (de) * 2011-04-04 2012-10-10 Caterpillar Motoren GmbH & Co. KG Verfahren zur Steuerung der Einspritzrate eines Common-Rail-Kraftstoffeinspritzaggregats, ein Common-Rail-Kraftstoffeinspritzsystem und Kraftstoffeinspritzaggregat
DE102012207842A1 (de) * 2012-05-10 2013-11-14 Continental Automotive Gmbh Einspritzventil
RU2545020C1 (ru) * 2014-04-28 2015-03-27 Федеральное государственное унитарное предприятие "Центральный ордена Трудового Красного Знамени научно-исследовательский автомобильный и автомоторный институт "НАМИ" Устройство для подачи топлива к форсунке теплового двигателя
DE102016105625B4 (de) * 2015-03-30 2020-10-08 Toyota Jidosha Kabushiki Kaisha Kraftstoffeinspritzvorrichtung für Brennkraftmaschine

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2885076B2 (ja) * 1994-07-08 1999-04-19 三菱自動車工業株式会社 蓄圧式燃料噴射装置
BR9911127A (pt) * 1998-09-10 2001-02-20 Int Truck & Engine Corp Injetor de combustìvel
DE19939422A1 (de) 1999-08-20 2001-03-01 Bosch Gmbh Robert Kraftstoffeinspritzsystem für eine Brennkraftmaschine
DE19952512A1 (de) * 1999-10-30 2001-05-10 Bosch Gmbh Robert Druckverstärker und Kraftstoffeinspritzsystem mit einem Druckverstärker
DE10124207A1 (de) * 2001-05-11 2002-11-21 Bosch Gmbh Robert Druckverstärker einer Kraftstoffeinspritzeinrichtung
DE10123911A1 (de) 2001-05-17 2002-11-28 Bosch Gmbh Robert Kraftstoffeinspritzeinrichtung mit Druckübersetzungseinrichtung und Druckübersetzungseinrichtung
DE10123914B4 (de) * 2001-05-17 2005-10-20 Bosch Gmbh Robert Kraftstoffeinspritzeinrichtung mit Druckübersetzungseinrichtung und Druckübersetzungseinrichtung
DE10126685A1 (de) * 2001-06-01 2002-12-19 Bosch Gmbh Robert Kraftstoffeinspritzeinrichtung mit Druckverstärker
DE10126686A1 (de) * 2001-06-01 2002-12-19 Bosch Gmbh Robert Kraftstoffeinspritzeinrichtung mit Druckverstärker
DE10229419A1 (de) * 2002-06-29 2004-01-29 Robert Bosch Gmbh Druckübersetzter Kraftstoffinjektor mit schnellem Druckabbau bei Einspritzende

Also Published As

Publication number Publication date
WO2004003378A1 (de) 2004-01-08
EP1520101B1 (de) 2005-11-02
US6962141B2 (en) 2005-11-08
JP2005531711A (ja) 2005-10-20
EP1520101A1 (de) 2005-04-06
DE10229412A1 (de) 2004-01-29
US20050103310A1 (en) 2005-05-19

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee