DE502004005606D1 - Kraftstoffinjektor mit leckagefreiem servoventil - Google Patents

Kraftstoffinjektor mit leckagefreiem servoventil

Info

Publication number
DE502004005606D1
DE502004005606D1 DE502004005606T DE502004005606T DE502004005606D1 DE 502004005606 D1 DE502004005606 D1 DE 502004005606D1 DE 502004005606 T DE502004005606 T DE 502004005606T DE 502004005606 T DE502004005606 T DE 502004005606T DE 502004005606 D1 DE502004005606 D1 DE 502004005606D1
Authority
DE
Germany
Prior art keywords
leakage
fuel injector
servo valve
free servo
free
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 - Lifetime
Application number
DE502004005606T
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
Publication of DE502004005606D1 publication Critical patent/DE502004005606D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • F02M63/0028—Valves characterised by the valve actuating means hydraulic
    • F02M63/0029—Valves characterised by the valve actuating means hydraulic using a pilot valve controlling a hydraulic chamber
    • 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
    • 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
    • F02M59/44—Details, components parts, or accessories not provided for in, or of interest apart from, the apparatus of groups F02M59/02 - F02M59/42; Pumps having transducers, e.g. to measure displacement of pump rack or piston
    • F02M59/46—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
    • 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
    • F02M59/44—Details, components parts, or accessories not provided for in, or of interest apart from, the apparatus of groups F02M59/02 - F02M59/42; Pumps having transducers, e.g. to measure displacement of pump rack or piston
    • F02M59/46—Valves
    • F02M59/466—Electrically operated valves, e.g. using electromagnetic or piezoelectric operating means
    • 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
    • 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
    • F02M63/0003—Fuel-injection apparatus having a cyclically-operated valve for connecting a pressure source, e.g. constant pressure pump or accumulator, to an injection valve held closed mechanically, e.g. by springs, and automatically opened by fuel pressure
    • F02M63/0005—Fuel-injection apparatus having a cyclically-operated valve for connecting a pressure source, e.g. constant pressure pump or accumulator, to an injection valve held closed mechanically, e.g. by springs, and automatically opened by fuel pressure using valves actuated by fluid 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
    • 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
    • F02M63/0003—Fuel-injection apparatus having a cyclically-operated valve for connecting a pressure source, e.g. constant pressure pump or accumulator, to an injection valve held closed mechanically, e.g. by springs, and automatically opened by fuel pressure
    • F02M63/0007—Fuel-injection apparatus having a cyclically-operated valve for connecting a pressure source, e.g. constant pressure pump or accumulator, to an injection valve held closed mechanically, e.g. by springs, and automatically opened by fuel pressure using electrically actuated 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
    • 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
    • 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

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)
  • Electromagnetism (AREA)
  • Fuel-Injection Apparatus (AREA)
DE502004005606T 2003-04-02 2004-03-04 Kraftstoffinjektor mit leckagefreiem servoventil Expired - Lifetime DE502004005606D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10315016A DE10315016A1 (de) 2003-04-02 2003-04-02 Kraftstoffinjektor mit leckagefreiem Servoventil
PCT/DE2004/000412 WO2004088121A1 (de) 2003-04-02 2004-03-04 Kraftstoffinjektor mit leckagefreiem servoventil

Publications (1)

Publication Number Publication Date
DE502004005606D1 true DE502004005606D1 (de) 2008-01-10

Family

ID=33038853

Family Applications (2)

Application Number Title Priority Date Filing Date
DE10315016A Ceased DE10315016A1 (de) 2003-04-02 2003-04-02 Kraftstoffinjektor mit leckagefreiem Servoventil
DE502004005606T Expired - Lifetime DE502004005606D1 (de) 2003-04-02 2004-03-04 Kraftstoffinjektor mit leckagefreiem servoventil

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE10315016A Ceased DE10315016A1 (de) 2003-04-02 2003-04-02 Kraftstoffinjektor mit leckagefreiem Servoventil

Country Status (4)

Country Link
US (1) US7188782B2 (de)
EP (1) EP1613855B1 (de)
DE (2) DE10315016A1 (de)
WO (1) WO2004088121A1 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI117805B (fi) * 2003-06-17 2007-02-28 Waertsilae Finland Oy Järjestely polttoaineen syöttölaitteistossa
DE102004002088A1 (de) * 2004-01-15 2005-08-04 Robert Bosch Gmbh Druckgesteuerter CR-Injektor zur Kraftstoff-Einspritzung in Brennräume von Brennkraftmaschinen, insbesondere Dieselmotoren
DE102004022268A1 (de) * 2004-05-06 2005-12-01 Robert Bosch Gmbh Ansteuerverfahren zur Beeinflussung der Öffnungsgeschwindigkeit eines Steuerventiles an einem Kraftstoffinjektor
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
DE102004057610A1 (de) * 2004-11-29 2006-06-01 Fev Motorentechnik Gmbh Kraftstoff-Injektor
JP4286770B2 (ja) * 2004-12-02 2009-07-01 株式会社日本自動車部品総合研究所 制御弁およびそれを備えた燃料噴射弁
DE102006009659A1 (de) * 2005-07-25 2007-02-01 Robert Bosch Gmbh Kraftstoff-Einspritzvorrichtung für eine Brennkraftmaschine mit Kraftstoff-Direkteinspritzung
DE102007001363A1 (de) * 2007-01-09 2008-07-10 Robert Bosch Gmbh Injektor zum Einspritzen von Kraftstoff in Brennräume von Brennkraftmaschinen
DE102007018040A1 (de) * 2007-04-13 2008-10-16 Robert Bosch Gmbh Kraftstoffinjektor mit integriertem Druckverstärker
US7980224B2 (en) * 2008-02-05 2011-07-19 Caterpillar Inc. Two wire intensified common rail fuel system
EP2295784B1 (de) * 2009-08-26 2012-02-22 Delphi Technologies Holding S.à.r.l. Kraftstoffeinspritzdüse
CN104956064B (zh) * 2012-10-25 2019-02-19 比克喷射有限公司 燃料喷射系统
US9291134B2 (en) * 2013-03-11 2016-03-22 Stanadyne Llc Anti-cavitation throttle for injector control valve
US9228550B2 (en) * 2013-03-11 2016-01-05 Stanadyne Llc Common rail injector with regulated pressure chamber
EP3455498A4 (de) 2016-05-12 2020-01-01 Briggs & Stratton Corporation Kraftstoffförderinjektor
US10947940B2 (en) 2017-03-28 2021-03-16 Briggs & Stratton, Llc Fuel delivery system
US11668270B2 (en) 2018-10-12 2023-06-06 Briggs & Stratton, Llc Electronic fuel injection module

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19540155C2 (de) * 1995-10-27 2000-07-13 Daimler Chrysler Ag Servoventil für eine Einspritzdüse
DE19910970A1 (de) * 1999-03-12 2000-09-28 Bosch Gmbh Robert Kraftstoffeinspritzeinrichtung
DE19949848A1 (de) 1999-10-15 2001-04-19 Bosch Gmbh Robert Druckübersetzer für ein Kraftstoffeinspritzsystem für Brennkraftmaschinen
DE10001828A1 (de) * 2000-01-18 2001-07-19 Fev Motorentech Gmbh Direktgesteuerte Kraftstoffeinspritzeinrichtung für eine Kolbenbrennkraftmaschine
DE10015268A1 (de) * 2000-03-28 2001-10-04 Siemens Ag Einspritzventil mit Bypaßdrossel
DE10040526A1 (de) * 2000-08-18 2002-03-14 Bosch Gmbh Robert Kraftstoffeinspritzeinrichtung
DE10060089A1 (de) * 2000-12-02 2002-06-20 Bosch Gmbh Robert Kraftstoffeinspritzeinrichtung
DE10063545C1 (de) * 2000-12-20 2002-08-01 Bosch Gmbh Robert Kraftstoffeinspritzeinrichtung
DE10123914B4 (de) 2001-05-17 2005-10-20 Bosch Gmbh Robert Kraftstoffeinspritzeinrichtung mit Druckübersetzungseinrichtung und Druckübersetzungseinrichtung
DE10218904A1 (de) * 2001-05-17 2002-12-05 Bosch Gmbh Robert Kraftstoffeinspritzeinrichtung
DE10141110A1 (de) 2001-08-22 2003-03-20 Bosch Gmbh Robert Kraftstoffeinspritzvorrichtung für Brennkraftmaschinen
DE10229418A1 (de) 2002-06-29 2004-01-29 Robert Bosch Gmbh Einrichtung zur Dämpfung des Nadelhubes an Kraftstoffinjektoren
DE10229419A1 (de) 2002-06-29 2004-01-29 Robert Bosch Gmbh Druckübersetzter Kraftstoffinjektor mit schnellem Druckabbau bei Einspritzende
DE10247903A1 (de) 2002-10-14 2004-04-22 Robert Bosch Gmbh Druckverstärkte Kraftstoffeinspritzeinrichtung mit innenliegender Steuerleitung
DE10315015B4 (de) * 2003-04-02 2005-12-15 Robert Bosch Gmbh Kraftstoffinjektor mit Druckverstärker und Servoventil mit optimierter Steuermenge
DE10337574A1 (de) * 2003-08-14 2005-03-10 Bosch Gmbh Robert Kraftstoffeinspritzeinrichtung für Brennkraftmaschinen

Also Published As

Publication number Publication date
EP1613855B1 (de) 2007-11-28
US20060011735A1 (en) 2006-01-19
DE10315016A1 (de) 2004-10-28
EP1613855A1 (de) 2006-01-11
US7188782B2 (en) 2007-03-13
WO2004088121A1 (de) 2004-10-14

Similar Documents

Publication Publication Date Title
DE502005008412D1 (de) Brennstoffeinspritzventil
DE602004028202D1 (de) Kraftstoffeinspritzventil
DE502005004411D1 (de) Brennstoffeinspritzventil mit integrierter zündvorrichtung
DE502006007293D1 (de) Brennstoffeinspritzventil
DE502004005606D1 (de) Kraftstoffinjektor mit leckagefreiem servoventil
DE50312036D1 (de) Brennstoffeinspritzventil
DE502005010399D1 (de) Kraftstoffinjektor mit direkt angesteuertem einspritzventilglied
DE502005008333D1 (de) Brennstoff-einspritzventil
DE502004007496D1 (de) Brennstoffeinspritzventil
DE502005009285D1 (de) Brennstoffeinspritzventil
AT502260A3 (de) Brennstoffeinspritzventil
DE502005004819D1 (de) Kraftstoffinjektor mit variabler aktorhubübersetzung
DE602006002429D1 (de) Kraftstoffeinspritzventil
DE502005009337D1 (de) Kraftstoffinjektor mit direkter steuerung des einspritzventilgliedes
DE602004021827D1 (de) Kraftstoffeinspritzventil
DE50311728D1 (de) Kraftstoffeinspritzventil
DE502004005519D1 (de) Brennstoffeinspritzventil
DE502004011289D1 (de) Brennstoffeinspritzventil
DE502005000719D1 (de) Servoventilangesteuerter Kraftstoffinjektor
DE602004015762D1 (de) Elektromagnetisches kraftstoffeinspritzventil
DE502005010937D1 (de) Kraftstoffeinspritzventil
DE50211993D1 (de) Brennstoffeinspritzventil
DE502004007521D1 (de) Kraftstoffinjektor mit direkt angesteuertem einspritzventilglied
DE502005003528D1 (de) Kraftstoffeinspritzventil
DE50210093D1 (de) Brennstoffeinspritzventil

Legal Events

Date Code Title Description
8364 No opposition during term of opposition