DE50302741D1 - Druckübersetzer kraftstoffinjektor mit schnellem druckabbau bei einspritzende - Google Patents

Druckübersetzer kraftstoffinjektor mit schnellem druckabbau bei einspritzende

Info

Publication number
DE50302741D1
DE50302741D1 DE50302741T DE50302741T DE50302741D1 DE 50302741 D1 DE50302741 D1 DE 50302741D1 DE 50302741 T DE50302741 T DE 50302741T DE 50302741 T DE50302741 T DE 50302741T DE 50302741 D1 DE50302741 D1 DE 50302741D1
Authority
DE
Germany
Prior art keywords
pressure
injectors
fuel injector
removal
fast
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
DE50302741T
Other languages
English (en)
Inventor
Hans-Christoph Magel
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 DE50302741T priority Critical patent/DE50302741D1/de
Application granted granted Critical
Publication of DE50302741D1 publication Critical patent/DE50302741D1/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
    • 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
    • F02M45/00—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship
    • 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
    • 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

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)
DE50302741T 2002-06-29 2003-04-03 Druckübersetzer kraftstoffinjektor mit schnellem druckabbau bei einspritzende Expired - Fee Related DE50302741D1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE50302741T DE50302741D1 (de) 2002-06-29 2003-04-03 Druckübersetzer kraftstoffinjektor mit schnellem druckabbau bei einspritzende

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10229419A DE10229419A1 (de) 2002-06-29 2002-06-29 Druckübersetzter Kraftstoffinjektor mit schnellem Druckabbau bei Einspritzende
PCT/DE2003/001098 WO2004003376A1 (de) 2002-06-29 2003-04-03 Druckübersetzer kraftstoffinjektor mit schnellem druckabbau bei einspritzende
DE50302741T DE50302741D1 (de) 2002-06-29 2003-04-03 Druckübersetzer kraftstoffinjektor mit schnellem druckabbau bei einspritzende

Publications (1)

Publication Number Publication Date
DE50302741D1 true DE50302741D1 (de) 2006-05-11

Family

ID=29796050

Family Applications (2)

Application Number Title Priority Date Filing Date
DE10229419A Withdrawn DE10229419A1 (de) 2002-06-29 2002-06-29 Druckübersetzter Kraftstoffinjektor mit schnellem Druckabbau bei Einspritzende
DE50302741T Expired - Fee Related DE50302741D1 (de) 2002-06-29 2003-04-03 Druckübersetzer kraftstoffinjektor mit schnellem druckabbau bei einspritzende

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE10229419A Withdrawn DE10229419A1 (de) 2002-06-29 2002-06-29 Druckübersetzter Kraftstoffinjektor mit schnellem Druckabbau bei Einspritzende

Country Status (5)

Country Link
US (1) US6892703B2 (de)
EP (1) EP1520099B1 (de)
JP (1) JP2005531712A (de)
DE (2) DE10229419A1 (de)
WO (1) WO2004003376A1 (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10229412A1 (de) * 2002-06-29 2004-01-29 Robert Bosch Gmbh Kraftstoffinjektor mit Druckübersetzer für Mehrfacheinspritzung
EP1613856B1 (de) * 2003-04-02 2008-07-09 Robert Bosch Gmbh Servoventilangesteuerter kraftstoffinjektor mit druckübersetzer
DE10315016A1 (de) * 2003-04-02 2004-10-28 Robert Bosch Gmbh Kraftstoffinjektor mit leckagefreiem Servoventil
DE10335340A1 (de) * 2003-08-01 2005-02-24 Robert Bosch Gmbh Steuerventil für einen Druckübersetzer enthaltenden Kraftstoffinjektor
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
DE102004022270A1 (de) * 2004-05-06 2005-12-01 Robert Bosch Gmbh Kraftstoffinjektor für Verbrennungskraftmaschinen mit mehrstufigem Steuerventil
DE102004022268A1 (de) * 2004-05-06 2005-12-01 Robert Bosch Gmbh Ansteuerverfahren zur Beeinflussung der Öffnungsgeschwindigkeit eines Steuerventiles an einem Kraftstoffinjektor
DE102004024527A1 (de) * 2004-05-18 2005-12-15 Robert Bosch Gmbh Kraftstoffeinspritzeinrichtung
JP3994990B2 (ja) * 2004-07-21 2007-10-24 株式会社豊田中央研究所 燃料噴射装置
JP4075894B2 (ja) * 2004-09-24 2008-04-16 トヨタ自動車株式会社 燃料噴射装置
DE102005030220A1 (de) * 2005-06-29 2007-01-04 Robert Bosch Gmbh Injektor mit zuschaltbarem Druckübersetzer
JP4695453B2 (ja) * 2005-07-29 2011-06-08 株式会社豊田中央研究所 方向制御弁
US7464697B2 (en) * 2005-08-19 2008-12-16 The United States Of America, As Represented By The Administrator Of The U.S. Environmental Protection Agency High-pressure fuel intensifier system
DE102007001363A1 (de) * 2007-01-09 2008-07-10 Robert Bosch Gmbh Injektor zum Einspritzen von Kraftstoff in Brennräume von Brennkraftmaschinen
JP4600405B2 (ja) * 2007-03-08 2010-12-15 株式会社デンソー インジェクタ
US20100096473A1 (en) * 2008-10-20 2010-04-22 Caterpillar Inc. Variable flow rate valve for mechnically actuated fuel injector
JP6384366B2 (ja) 2015-03-09 2018-09-05 株式会社デンソー 燃料噴射装置
WO2018101411A1 (ja) 2016-12-02 2018-06-07 学校法人明治大学 燃料噴射装置
CN116025495B (zh) * 2023-03-30 2023-06-09 哈尔滨工程大学 一种基于多活塞弹簧系统实现稳定喷射的高压共轨喷油器

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57124032A (en) * 1981-01-24 1982-08-02 Diesel Kiki Co Ltd Fuel injector
JPS57124073A (en) * 1981-01-24 1982-08-02 Diesel Kiki Co Ltd Fuel injection device
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
DE19939429A1 (de) * 1999-08-20 2001-03-01 Bosch Gmbh Robert Kraftstoffeinspritzeinrichtung
DE19939423A1 (de) * 1999-08-20 2001-03-01 Bosch Gmbh Robert Kraftstoffeinspritzsystem für eine Brennkraftmaschine
DE19945785B4 (de) * 1999-09-24 2010-10-07 Robert Bosch Gmbh Kraftstoffeinspritzsystem für Brennkraftmaschinen und Verfahren zum Einspritzen von Kraftstoff in den Brennraum einer Brennkraftmaschine
DE19952512A1 (de) * 1999-10-30 2001-05-10 Bosch Gmbh Robert Druckverstärker und Kraftstoffeinspritzsystem mit einem Druckverstärker
DE10040526A1 (de) * 2000-08-18 2002-03-14 Bosch Gmbh Robert Kraftstoffeinspritzeinrichtung
DE10060089A1 (de) * 2000-12-02 2002-06-20 Bosch Gmbh Robert Kraftstoffeinspritzeinrichtung

Also Published As

Publication number Publication date
US6892703B2 (en) 2005-05-17
US20040231645A1 (en) 2004-11-25
JP2005531712A (ja) 2005-10-20
WO2004003376A1 (de) 2004-01-08
EP1520099B1 (de) 2006-03-22
DE10229419A1 (de) 2004-01-29
EP1520099A1 (de) 2005-04-06

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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