EP0900333B1 - Soupape a commande electromagnetique - Google Patents

Soupape a commande electromagnetique Download PDF

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Publication number
EP0900333B1
EP0900333B1 EP98902943A EP98902943A EP0900333B1 EP 0900333 B1 EP0900333 B1 EP 0900333B1 EP 98902943 A EP98902943 A EP 98902943A EP 98902943 A EP98902943 A EP 98902943A EP 0900333 B1 EP0900333 B1 EP 0900333B1
Authority
EP
European Patent Office
Prior art keywords
closing body
valve
body support
armature
valve according
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
EP98902943A
Other languages
German (de)
English (en)
Other versions
EP0900333A1 (fr
Inventor
Clemens Willke
Jürgen GRANER
Dieter Maier
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 EP0900333A1 publication Critical patent/EP0900333A1/fr
Application granted granted Critical
Publication of EP0900333B1 publication Critical patent/EP0900333B1/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
    • F02M51/0635—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a plate-shaped or undulated armature not entering the winding
    • F02M51/0642—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a plate-shaped or undulated armature not entering the winding the armature having a valve attached thereto
    • F02M51/0653—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a plate-shaped or undulated armature not entering the winding the armature having a valve attached thereto the valve being an elongated body, e.g. a needle valve
    • F02M51/0657—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a plate-shaped or undulated armature not entering the winding the armature having a valve attached thereto the valve being an elongated body, e.g. a needle valve the body being hollow and its interior communicating with the fuel flow
    • 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
    • F02M51/0671—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 having an elongated valve body attached thereto
    • F02M51/0682—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 having an elongated valve body attached thereto the body being hollow and its interior communicating with the fuel flow
    • 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
    • F02M61/168—Assembling; Disassembling; Manufacturing; Adjusting
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S239/00—Fluid sprinkling, spraying, and diffusing
    • Y10S239/90—Electromagnetically actuated fuel injector having ball and seat type valve

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

Claims (10)

  1. Soupape à commande électromagnétique, notamment injecteur pour une installation d'injection de carburant d'un moteur à combustion interne comprenant
    un corps de soupape (10),
    un noyau (2) entouré au moins partiellement par une bobine électromagnétique (1),
    au moins une aiguille d'injecteur (13) mobile axialement, comportant au moins un support d'organe de fermeture (17, 50) ainsi qu'un organe de fermeture de soupape (18), sphérique,
    le corps de fermeture de soupape (18) étant relié solidairement au support (17, 50) et coopérant avec un siège de soupape fixe (15) et le support de corps de fermeture (17, 50) comporte un perçage longitudinal (23) intérieur, allant jusqu'à la surface supérieure du corps de fermeture de soupape (18), ainsi qu'une zone d'extrémité (46) en aval, de diamètre extérieur plus grand que le diamètre du corps de fermeture de soupape (18), le support (17, 50) entourant le corps de fermeture de soupape (18) avec la zone d'extrémité (46) de façon qu'au moins un canal (49), en liaison avec le perçage longitudinal (23) et ayant une composante axiale dans la direction d'extension du canal, est formé à la surface supérieure de l'organe de fermeture de soupape (18), s'étendant jusqu'à l'extrémité de la zone (46),
    caractérisée en ce que
    le support de l'organe de fermeture (17, 50) comporte dans le perçage longitudinal (23), un épaulement (45) servant de butée pour l'organe de fermeture de soupape (18) et au moins un canal (49) s'étend au moins jusqu'à un plan équatorial (48) de l'organe de fermeture de soupape (18), dans la direction aval.
  2. Soupape selon la revendication 1,
    caractérisée en ce que
    le corps de fermeture de soupape (18) est fixé dans le perçage longitudinal (23) dans la zone d'extrémité (46) du support d'organe de fermeture (17, 50) par enfoncement de force.
  3. Soupape selon la revendication 1,
    caractérisée en ce que
    le corps de fermeture de soupape (18) est fixé dans le perçage longitudinal (23) dans la zone d'extrémité (46) du support de corps de fermeture (17, 50) par sertissage.
  4. Soupape selon l'une des revendications précédentes,
    caractérisée en ce que
    le corps de support de fermeture (17) est réalisé sous la forme d'un induit.
  5. Soupape selon l'une des revendications 1 à 3,
    caractérisée par
    une pièce de liaison (50) reliant l'induit (17) et le corps de fermeture de soupape (18) et portant le support de corps de fermeture.
  6. Soupape selon la revendication 4,
    caractérisée en ce que
    le perçage longitudinal (23) de l'induit (17) comporte plusieurs bras de passage de fluide (44) qui rejoignent directement les canaux (49) dans la direction axiale.
  7. Soupape selon la revendication 6,
    caractérisée en ce que
    les bras de passage de fluide (44) et les canaux (49) sont réalisés par des chambres dans l'induit (17).
  8. Soupape selon l'une des revendications précédentes,
    caractérisée par
    trois canaux (49) prévus dans la zone d'extrémité (46).
  9. Soupape selon l'une des revendications précédentes,
    caractérisée en ce que
    le support d'organe de fermeture (17, 50) est une pièce réalisée au tour ou une pièce pressée à froid.
  10. Soupape selon l'une des revendications 1 à 8,
    caractérisée par
    une pièce frittée ou une pièce MIM constituant le support de corps de fermeture (17, 50).
EP98902943A 1997-03-26 1998-01-09 Soupape a commande electromagnetique Expired - Lifetime EP0900333B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19712590 1997-03-26
DE19712590A DE19712590A1 (de) 1997-03-26 1997-03-26 Elektromagnetisch betätigbares Ventil
PCT/DE1998/000052 WO1998042976A1 (fr) 1997-03-26 1998-01-09 Soupape a commande electromagnetique

Publications (2)

Publication Number Publication Date
EP0900333A1 EP0900333A1 (fr) 1999-03-10
EP0900333B1 true EP0900333B1 (fr) 2003-05-07

Family

ID=7824611

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98902943A Expired - Lifetime EP0900333B1 (fr) 1997-03-26 1998-01-09 Soupape a commande electromagnetique

Country Status (9)

Country Link
US (1) US6045116A (fr)
EP (1) EP0900333B1 (fr)
JP (1) JP2000511616A (fr)
KR (1) KR20000015943A (fr)
CN (1) CN1089856C (fr)
BR (1) BR9804798A (fr)
DE (2) DE19712590A1 (fr)
ES (1) ES2199419T3 (fr)
WO (1) WO1998042976A1 (fr)

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DE19855568A1 (de) 1998-12-02 2000-06-08 Bosch Gmbh Robert Brennstoffeinspritzventil
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DE10014962A1 (de) * 2000-03-25 2001-10-04 Gsf Forschungszentrum Umwelt Pulsbares Kapillarventil
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US6511003B2 (en) 2000-12-29 2003-01-28 Siemens Automotive Corporation Modular fuel injector having an integral or interchangeable inlet tube and having a terminal connector interconnecting an electromagnetic actuator with an electrical terminal
US6568609B2 (en) 2000-12-29 2003-05-27 Siemens Automotive Corporation Modular fuel injector having an integral or interchangeable inlet tube and having an integral filter and o-ring retainer assembly
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US6523756B2 (en) 2000-12-29 2003-02-25 Siemens Automotive Corporation Modular fuel injector having a low mass, high efficiency electromagnetic actuator and having a lift set sleeve
US6708906B2 (en) 2000-12-29 2004-03-23 Siemens Automotive Corporation Modular fuel injector having a surface treatment on an impact surface of an electromagnetic actuator and having an integral filter and dynamic adjustment assembly
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US6655609B2 (en) 2000-12-29 2003-12-02 Siemens Automotive Corporation Modular fuel injector having a low mass, high efficiency electromagnetic actuator and having an integral filter and o-ring retainer assembly
US6698664B2 (en) 2000-12-29 2004-03-02 Siemens Automotive Corporation Modular fuel injector having an integral or interchangeable inlet tube and having an integral filter and dynamic adjustment assembly
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US6499677B2 (en) 2000-12-29 2002-12-31 Siemens Automotive Corporation Modular fuel injector having a low mass, high efficiency electromagnetic actuator and having an integral filter and dynamic adjustment assembly
US6502770B2 (en) 2000-12-29 2003-01-07 Siemens Automotive Corporation Modular fuel injector having a snap-on orifice disk retainer and having a terminal connector interconnecting an electromagnetic actuator with an electrical terminal
US6695232B2 (en) 2000-12-29 2004-02-24 Siemens Automotive Corporation Modular fuel injector having interchangeable armature assemblies and having a lift set sleeve
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Also Published As

Publication number Publication date
US6045116A (en) 2000-04-04
CN1220722A (zh) 1999-06-23
ES2199419T3 (es) 2004-02-16
JP2000511616A (ja) 2000-09-05
EP0900333A1 (fr) 1999-03-10
BR9804798A (pt) 1999-08-17
DE19712590A1 (de) 1998-10-01
KR20000015943A (ko) 2000-03-15
DE59808230D1 (de) 2003-06-12
CN1089856C (zh) 2002-08-28
WO1998042976A1 (fr) 1998-10-01

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