DE50210690D1 - Injektor, insbesondere für Common-Rail-Einspritzsysteme von Dieselmotoren - Google Patents

Injektor, insbesondere für Common-Rail-Einspritzsysteme von Dieselmotoren

Info

Publication number
DE50210690D1
DE50210690D1 DE50210690T DE50210690T DE50210690D1 DE 50210690 D1 DE50210690 D1 DE 50210690D1 DE 50210690 T DE50210690 T DE 50210690T DE 50210690 T DE50210690 T DE 50210690T DE 50210690 D1 DE50210690 D1 DE 50210690D1
Authority
DE
Germany
Prior art keywords
injector
common
diesel engines
injection systems
rail injection
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
DE50210690T
Other languages
English (en)
Inventor
Hermann Koch-Groeber
Uemit Canlioglu
Thilo Klam
Andreas Gaudl
Stefan Schuster
Christoffer Uhr
Andreas Rettich
Wolfgang Fleiner
Markus Rueckle
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
Application granted granted Critical
Publication of DE50210690D1 publication Critical patent/DE50210690D1/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
    • 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
    • F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
    • F02M2200/28—Details of throttles in fuel-injection apparatus
    • 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
    • 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
    • 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
    • F02M2547/003—Valve inserts containing control chamber and valve 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
    • F02M2547/00—Special features for fuel-injection valves actuated by fluid pressure
    • F02M2547/008—Means for influencing the flow rate out of or into a control chamber, e.g. depending on the position of the needle

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)
DE50210690T 2001-12-07 2002-10-18 Injektor, insbesondere für Common-Rail-Einspritzsysteme von Dieselmotoren Expired - Lifetime DE50210690D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE10160262A DE10160262A1 (de) 2001-12-07 2001-12-07 Injektor, insbesondere für Common-Rail-Einspritzsysteme von Dieselmotoren

Publications (1)

Publication Number Publication Date
DE50210690D1 true DE50210690D1 (de) 2007-09-27

Family

ID=7708451

Family Applications (2)

Application Number Title Priority Date Filing Date
DE10160262A Withdrawn DE10160262A1 (de) 2001-12-07 2001-12-07 Injektor, insbesondere für Common-Rail-Einspritzsysteme von Dieselmotoren
DE50210690T Expired - Lifetime DE50210690D1 (de) 2001-12-07 2002-10-18 Injektor, insbesondere für Common-Rail-Einspritzsysteme von Dieselmotoren

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE10160262A Withdrawn DE10160262A1 (de) 2001-12-07 2001-12-07 Injektor, insbesondere für Common-Rail-Einspritzsysteme von Dieselmotoren

Country Status (4)

Country Link
US (1) US6896198B2 (de)
EP (1) EP1318294B1 (de)
JP (1) JP2003193930A (de)
DE (2) DE10160262A1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10334209A1 (de) * 2003-07-26 2005-02-10 Robert Bosch Gmbh Kraftstoff-Einspritzvorrichtung für eine Brennkraftmaschine
DE102004010759A1 (de) * 2004-03-05 2005-09-22 Robert Bosch Gmbh Common-Rail Injektor
EP2085604A1 (de) * 2008-02-04 2009-08-05 Robert Bosch GmbH Injektor zum Einspritzen von Kraftstoff
ATE546636T1 (de) * 2009-08-26 2012-03-15 Delphi Tech Holding Sarl Kraftstoffeinspritzdüse
DE102010028046A1 (de) * 2010-04-21 2011-10-27 Robert Bosch Gmbh Hochdruckpumpe
EP2503138B1 (de) * 2011-03-24 2013-05-08 OMT Officine Meccaniche Torino S.p.A. Elektrisch gesteuerter Kraftstoffeinspritzer für große Dieselmotoren
WO2014210148A1 (en) * 2013-06-26 2014-12-31 Cummins Inc. Fuel injector including features to reduce viscous heating in a control valve and a drain circuit

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4129255A (en) * 1977-09-12 1978-12-12 General Motors Corporation Electromagnetic unit fuel injector
FR2541379B1 (fr) * 1983-02-21 1987-06-12 Renault Perfectionnement aux systemes d'injection a commande electromagnetique pour moteur diesel de type pression-temps ou l'aiguille de l'injecteur est pilotee par la decharge puis la charge d'une capacite
US5133645A (en) * 1990-07-16 1992-07-28 Diesel Technology Corporation Common rail fuel injection system
IT1250900B (it) 1991-12-24 1995-04-21 Elasis Sistema Ricerca Fiat Valvola di iniezione del combustibile a comando elettromagnetico.
DE4142940C2 (de) * 1991-12-24 1994-01-27 Bosch Gmbh Robert Elektrisch gesteuerte Pumpedüse
IT1261149B (it) 1993-12-30 1996-05-09 Elasis Sistema Ricerca Fiat Valvola di dosaggio per il comando dell'otturatore di un iniettore di combustibile
USRE37633E1 (en) * 1995-08-29 2002-04-09 Isuzu Motors Limited Accumulating fuel injection apparatus
US5779149A (en) * 1996-07-02 1998-07-14 Siemens Automotive Corporation Piezoelectric controlled common rail injector with hydraulic amplification of piezoelectric stroke
JP3653882B2 (ja) * 1996-08-31 2005-06-02 いすゞ自動車株式会社 エンジンの燃料噴射装置
DE19748999C2 (de) * 1997-11-06 2002-11-07 Daimler Chrysler Ag Magnetventilgesteuerter Injektor für ein Speichersystem einer mehrzylindrigen Brennkraftmaschine
IT1296143B1 (it) * 1997-11-18 1999-06-09 Elasis Sistema Ricerca Fiat Dispositivo di comando di un iniettore di combustibile per motori a combustione interna.
DE19753006C2 (de) * 1997-11-30 2001-01-18 Wwu Wissenschaftliche Werkstat Verfahren zur Beurteilung von Abgasgrenzwertverletzungen und zur Beurteilung der Güte abgasrelevanter Bauteile bei niedrig emittierenden Kraftfahrzeugen während der Fahrt

Also Published As

Publication number Publication date
JP2003193930A (ja) 2003-07-09
US6896198B2 (en) 2005-05-24
US20030106947A1 (en) 2003-06-12
DE10160262A1 (de) 2003-06-18
EP1318294A1 (de) 2003-06-11
EP1318294B1 (de) 2007-08-15

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Legal Events

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8364 No opposition during term of opposition