EP1350025B1 - Liaison entre un induit et un pointeau de soupape d'une soupape d'injection de carburant - Google Patents

Liaison entre un induit et un pointeau de soupape d'une soupape d'injection de carburant Download PDF

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Publication number
EP1350025B1
EP1350025B1 EP01984729A EP01984729A EP1350025B1 EP 1350025 B1 EP1350025 B1 EP 1350025B1 EP 01984729 A EP01984729 A EP 01984729A EP 01984729 A EP01984729 A EP 01984729A EP 1350025 B1 EP1350025 B1 EP 1350025B1
Authority
EP
European Patent Office
Prior art keywords
armature
valve
fuel injection
valve needle
bolt
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
EP01984729A
Other languages
German (de)
English (en)
Other versions
EP1350025A1 (fr
Inventor
Thomas Sebastian
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 EP1350025A1 publication Critical patent/EP1350025A1/fr
Application granted granted Critical
Publication of EP1350025B1 publication Critical patent/EP1350025B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F02M51/00—Fuel-injection apparatus characterised by being operated electrically
    • F02M51/06—Injectors peculiar thereto with means directly operating the valve needle
    • F02M51/061—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means
    • F02M51/0625—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures
    • F02M51/0664—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a cylindrically or partly cylindrically shaped armature, e.g. entering the winding; having a plate-shaped or undulated armature entering the winding
    • F02M51/0685—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a cylindrically or partly cylindrically shaped armature, e.g. entering the winding; having a plate-shaped or undulated armature entering the winding the armature and the valve being allowed to move relatively to each other or not being attached to each other
    • 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
    • F02M2200/306—Fuel-injection apparatus having mechanical parts, the movement of which is damped using mechanical means

Definitions

  • valve needle in a Recess both a Vorhubfeder and a Adjusting sleeve for the Vorhubfeder contains, whereby a very space-saving anchor freeway construction is possible.
  • the fuel which has a central fuel supply 16 is fed and filtered by a filter element 25, is through a fuel channel 31, the recess 8 of the Valve needle 3 and via the flow openings 14 for Spray opening 7 passed.
  • the fuel injection valve 1 is by a seal 28 against a not further sealed illustrated distribution line.
  • Fig. 2 shows in an excerpted sectional view of the in Fig. 1 with II designated section of the Inventively designed fuel injection valve. 1
  • Matching components are in all figures with provided matching reference numerals.
  • the invention is not limited to that shown Embodiment limited and also for other forms anchors 20, for example for diving and flat anchors, as well as any designs of fuel injection valves. 1 applicable.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)

Claims (6)

  1. Injecteur de carburant (1), notamment pour une injection directe de carburant dans la chambre de combustion d'un moteur à combustion interne à allumage commandé et à mélange comprimé, comprenant un induit (20) qui coopère avec une bobine magnétique (10) et une aiguille de soupape (3) reliée à l'induit (20) et portant l'obturateur de soupape (4) qui, conjointement avec une surface de siège de soupape (6), forme un siège d'étanchéité, l'aiguille (3) traversant l'induit (20) et un prolongement (15) formé sur l'induit (20),
    caractérisé en ce que
    dans le prolongement (15) de l'induit (20), un alésage (34) en recouvrement avec un alésage (35) dans l'aiguille de soupape (3), comporte un axe (32) disposé de manière à laisser un jeu axial de pré-course (30) entre l'induit (20) et l'aiguille de soupape (3), et un évidement (8) de l'aiguille de soupape (3) comporte un ressort de pré-course (22) sollicite en précontrainte par une douille (21) de réglage insérée dans l'évidement (8).
  2. Injecteur de carburant selon la revendication 1,
    caractérisé en ce que
    le ressort de pré-course (22) s'appuie contre l'axe (32).
  3. Injecteur de carburant selon l'une des revendications 1 ou 2,
    caractérisé en ce que
    le prolongement (15) est fabriqué d'une seule pièce avec l'induit (20).
  4. Injecteur de carburant selon l'une des revendications 1 à 3,
    caractérisé en ce que
    l'axe (32) présente un épaulement (38).
  5. Injecteur de carburant selon l'une des revendications 1 à 4,
    caractérisé en ce que
    l'axe (32) est en un matériau durci.
  6. Injecteur de carburant selon la revendication 4,
    caractérisé en ce que
    l'axe (32) peut être inséré dans les alésages (34, 35) de telle sorte que le jeu de pré-course (30) soit ajusté par l'épaulement (38).
EP01984729A 2000-12-28 2001-12-22 Liaison entre un induit et un pointeau de soupape d'une soupape d'injection de carburant Expired - Lifetime EP1350025B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10065528 2000-12-28
DE10065528A DE10065528A1 (de) 2000-12-28 2000-12-28 Brennstoffeinspritzventil
PCT/DE2001/004928 WO2002053906A1 (fr) 2000-12-28 2001-12-22 Liaison entre un induit et un pointeau de soupape d'une soupape d'injection de carburant

Publications (2)

Publication Number Publication Date
EP1350025A1 EP1350025A1 (fr) 2003-10-08
EP1350025B1 true EP1350025B1 (fr) 2005-03-09

Family

ID=7669313

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01984729A Expired - Lifetime EP1350025B1 (fr) 2000-12-28 2001-12-22 Liaison entre un induit et un pointeau de soupape d'une soupape d'injection de carburant

Country Status (7)

Country Link
US (1) US20030141476A1 (fr)
EP (1) EP1350025B1 (fr)
JP (1) JP2004517255A (fr)
KR (1) KR20020075453A (fr)
DE (2) DE10065528A1 (fr)
ES (1) ES2238488T3 (fr)
WO (1) WO2002053906A1 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10232718A1 (de) * 2002-07-18 2004-02-05 Robert Bosch Gmbh Ankerbaugruppe für Kraftstoffinjektoren
DE10237003A1 (de) * 2002-08-13 2004-03-18 Robert Bosch Gmbh Kraftstoffeinspritzventil für Brennkraftmaschinen
DE60328355D1 (de) * 2003-03-19 2009-08-27 Continental Automotive Gmbh Einspritzventil mit einer durch eine Feder vorgespannten Nadel
DE10361761A1 (de) * 2003-12-29 2005-07-28 Robert Bosch Gmbh Brennstoffeinspritzventil
JP2006233887A (ja) * 2005-02-25 2006-09-07 Denso Corp 燃料噴射弁
JP2007247429A (ja) * 2006-03-14 2007-09-27 Nikki Co Ltd 燃料噴射弁
DE102012202253A1 (de) * 2012-02-15 2013-08-22 Robert Bosch Gmbh Brennstoffeinspritzventil
DE102012210424A1 (de) * 2012-06-20 2013-12-24 Robert Bosch Gmbh Einspritzventil
EP2837813B1 (fr) * 2013-08-14 2016-04-06 Continental Automotive GmbH Ensemble de soupape pour soupape d'injection et soupape d'injection
JP6167993B2 (ja) * 2014-05-28 2017-07-26 株式会社デンソー 燃料噴射弁

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3632081A (en) * 1970-04-10 1972-01-04 Nasa Solenoid valve including guide for armature and valve member
GB9113486D0 (en) * 1991-06-21 1991-08-07 Lucas Ind Plc Valve
US5244180A (en) * 1992-09-03 1993-09-14 Siemens Automotive L.P. Solenoid pre-loader
US5299776A (en) * 1993-03-26 1994-04-05 Siemens Automotive L.P. Impact dampened armature and needle valve assembly
DE19816315A1 (de) * 1998-04-11 1999-10-14 Bosch Gmbh Robert Brennstoffeinspritzventil
DE19849210A1 (de) * 1998-10-26 2000-04-27 Bosch Gmbh Robert Brennstoffeinspritzventil

Also Published As

Publication number Publication date
US20030141476A1 (en) 2003-07-31
EP1350025A1 (fr) 2003-10-08
ES2238488T3 (es) 2005-09-01
DE10065528A1 (de) 2002-07-04
DE50105571D1 (de) 2005-04-14
KR20020075453A (ko) 2002-10-04
JP2004517255A (ja) 2004-06-10
WO2002053906A1 (fr) 2002-07-11

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