[go: up one dir, main page]

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

Info

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

Links

Images

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
DE10065528A DE10065528A1 (de) 2000-12-28 2000-12-28 Brennstoffeinspritzventil
DE10065528 2000-12-28
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
EP1460263B1 (fr) * 2003-03-19 2009-07-15 Continental Automotive GmbH Soupape d'injection avec une aiguille précontrainte par un ressort
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
KR20020075453A (ko) 2002-10-04
WO2002053906A1 (fr) 2002-07-11
DE50105571D1 (de) 2005-04-14
ES2238488T3 (es) 2005-09-01
JP2004517255A (ja) 2004-06-10
DE10065528A1 (de) 2002-07-04
EP1350025A1 (fr) 2003-10-08
US20030141476A1 (en) 2003-07-31

Similar Documents

Publication Publication Date Title
EP1364116B1 (fr) Soupape d'injection de carburant
EP1364117B1 (fr) Soupape d'injection de carburant
WO2009092507A1 (fr) Injecteur de carburant dont l'élément soupape de commande présente une zone d'appui
EP1576278A1 (fr) Soupape d'injection de carburant
EP1350025B1 (fr) Liaison entre un induit et un pointeau de soupape d'une soupape d'injection de carburant
WO2002073027A1 (fr) Soupape d'injection de carburant
DE10055483B4 (de) Brennstoffeinspritzventil
EP1395746B1 (fr) Soupape d'injection de carburant
DE19931822A1 (de) Brennstoffeinspritzventil
WO2002025100A1 (fr) Soupape d'injection de carburant
DE10063260A1 (de) Brennstoffeinspritzventil
DE102004013413A1 (de) Kraftstoff-Einspritzventil
DE10361761A1 (de) Brennstoffeinspritzventil
EP1327070B1 (fr) Soupape d'injection de carburant
EP1195516B1 (fr) Soupape d'injection de combustible
EP1209353B1 (fr) Soupape d'injection de carburant
DE10124744A1 (de) Brennstoffeinspritzventil
EP1402173B1 (fr) Soupape d'injection de carburant
DE10123850C2 (de) Brennstoffeinspritzventil
DE10059009A1 (de) Brennstoffeinspritzanlage
DE3841010A1 (de) Elektromagnetisch betaetigbares ventil
DE10038293A1 (de) Brennstoffeinspritzventil
DE10152419A1 (de) Brennstoffeinspritzventil
DE102005024067A1 (de) Brennstoffeinspritzventil
EP1559906A2 (fr) Buse d'injection de carburant

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20030728

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

RIN1 Information on inventor provided before grant (corrected)

Inventor name: SEBASTIAN, THOMAS

17Q First examination report despatched

Effective date: 20031211

RBV Designated contracting states (corrected)

Designated state(s): DE ES FR GB IT TR

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): DE ES FR GB IT TR

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: TR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20050309

Ref country code: GB

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20050309

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

Free format text: GERMAN

REF Corresponds to:

Ref document number: 50105571

Country of ref document: DE

Date of ref document: 20050414

Kind code of ref document: P

REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Ref document number: 2238488

Country of ref document: ES

Kind code of ref document: T3

GBV Gb: ep patent (uk) treated as always having been void in accordance with gb section 77(7)/1977 [no translation filed]

Effective date: 20050309

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20051220

Year of fee payment: 5

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: ES

Payment date: 20051227

Year of fee payment: 5

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

ET Fr: translation filed
PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20060221

Year of fee payment: 5

26N No opposition filed

Effective date: 20051212

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IT

Payment date: 20061231

Year of fee payment: 6

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20070703

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

Effective date: 20070831

REG Reference to a national code

Ref country code: ES

Ref legal event code: FD2A

Effective date: 20061223

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20070102

Ref country code: ES

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20061223

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20071222