EP0051009B1 - Elektromagnetisches Kugeleinspritzventil - Google Patents

Elektromagnetisches Kugeleinspritzventil Download PDF

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Publication number
EP0051009B1
EP0051009B1 EP81401580A EP81401580A EP0051009B1 EP 0051009 B1 EP0051009 B1 EP 0051009B1 EP 81401580 A EP81401580 A EP 81401580A EP 81401580 A EP81401580 A EP 81401580A EP 0051009 B1 EP0051009 B1 EP 0051009B1
Authority
EP
European Patent Office
Prior art keywords
ball
seat
core
injector
fluid
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
Application number
EP81401580A
Other languages
English (en)
French (fr)
Other versions
EP0051009A1 (de
Inventor
Jacques Lecomte
Antonio Moretti
Pierre Bouthors
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.)
Regie Nationale des Usines Renault
Original Assignee
Regie Nationale des Usines Renault
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 Regie Nationale des Usines Renault filed Critical Regie Nationale des Usines Renault
Priority to AT81401580T priority Critical patent/ATE11070T1/de
Publication of EP0051009A1 publication Critical patent/EP0051009A1/de
Application granted granted Critical
Publication of EP0051009B1 publication Critical patent/EP0051009B1/de
Expired 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
    • 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
    • F02M61/166—Selection of particular materials
    • 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
    • F02M51/0632—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a spherically or partly spherically shaped armature, e.g. acting as valve body
    • 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
    • F02M51/08—Injectors peculiar thereto with means directly operating the valve needle specially for low-pressure fuel-injection
    • 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
    • F02M61/162—Means to impart a whirling motion to fuel upstream or near discharging orifices
    • 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

Definitions

  • the manufacture of the pellet is much easier and more economical than the machining of the ends of the cores of the previous solutions.
  • the return spring then rests under a flange of the patch, the latter being applied directly to a smooth face of the soft iron core.

Landscapes

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

Claims (5)

1. Elektromagnetisches Kugeleinspritzventil zum Einspritzen eines Fluids, insbesondere in Verbrennungsmotoren, mit einem Mantel (1), einem Kern (2), der im Innern des Mantels angeordnet ist, einer den Kern umgebenden Erregerspule (15), einer Fluidzufuhrleitung (7), einer Aussparung (11) zwischen einem Deckel (3) und dem Kern, in der eine Kugel (12) vorgesehen ist zum Verschließen mittels eines Sitzes (14) der Einspritzleitung (19) im Deckel, wobei diese Kugel von der Erregerspule gegen die Wirkung eines elastischen Systems (13) beaufschlagt wird, das vor dem Mittelteil angeordnet ist und dazu neigt, die Kugel gegen den Sitz zu drücken und wobei eine dünne Schicht aus nichtmagnetischem Metall zwischen dem Kern (2) und der Kugel (12) eingeschoben ist, dadurch gekennzeichnet, daß die dünne Schicht aus nichtmagnetischem Metall aus dem Niederschlag auf der zur Kugel gerichteten Fläche (28) einer massiven Scheibe (27) aus magnetischem Material besteht, die durch das elastische System (13) in Richtung zum Kern hin beaufschlagt wird, daß der Sitz (14), der aus nichtmagnetischem Material großer Härte besteht, eine kugelförmige Auflage (30) aufweist, die an die Abmessungen der Kugel (12) angepaßt ist und daß der Sitz stromabwärts der kugelförmigen Auflage eine Düse (31) aufnimmt, die die Fluiddurchflußleistung selbsttätig regelt, mit trichterförmigem Profil (32), das sich in Durchströmungsrichtung verjüngt.
2. Einspritzventil nach Anspruch 1, dadurch gekennzeichnet, daß der Sitz (14) und die Düse (31) einstückig hergestelltsind.
3. Einspritzventil nach einem der Ansprüche 1 und 2, dadurch gekennzeichnet, daß daß sich der Deckel (3) auf der Einspritzseite durch eine Nase (4) verlängert, dessen Temperatur konstant gehalten wird durch seitliche Versorgung (9) des Einspritzventils und durch einen Fluidkreislauf im Inneren einer ringförmigen Kammer (33), die zwischen der Zufuhrleitung (10) und der Einspritznase (4) vorgesehen ist.
4. Einspritzventil nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die kugelförmige Auflage (30) des Sitzes (14) durch Kaltverformung erhalten ist.
5. Einspritzventil nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die Endbearbeitung der selbsttätig regelnde Düse (31) durch Kalibrieren-Kaltverformen erfolgt.
EP81401580A 1980-10-29 1981-10-13 Elektromagnetisches Kugeleinspritzventil Expired EP0051009B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT81401580T ATE11070T1 (de) 1980-10-29 1981-10-13 Elektromagnetisches kugeleinspritzventil.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8023105A FR2492894B1 (fr) 1980-10-29 1980-10-29 Injecteur a commande electromagnetique a bille
FR8023105 1980-10-29

Publications (2)

Publication Number Publication Date
EP0051009A1 EP0051009A1 (de) 1982-05-05
EP0051009B1 true EP0051009B1 (de) 1985-01-02

Family

ID=9247449

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81401580A Expired EP0051009B1 (de) 1980-10-29 1981-10-13 Elektromagnetisches Kugeleinspritzventil

Country Status (6)

Country Link
US (1) US4427156A (de)
EP (1) EP0051009B1 (de)
JP (1) JPS57102555A (de)
AT (1) ATE11070T1 (de)
DE (1) DE3168069D1 (de)
FR (1) FR2492894B1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3810826A1 (de) * 1988-03-30 1989-10-12 Pierburg Gmbh Elektromagnetisches einspritzventil fuer brennkraftmaschinen

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57126554A (en) * 1981-01-30 1982-08-06 Hitachi Ltd Electro magnetic fuel jet valve
DE3121572A1 (de) * 1981-05-30 1982-12-16 Robert Bosch Gmbh, 7000 Stuttgart "einspritzventil"
CA1185850A (en) * 1982-01-11 1985-04-23 Essex Group, Inc. Electromagnetic fuel injector with improved discharge structure
DE3507443A1 (de) * 1985-03-02 1986-09-04 Robert Bosch Gmbh, 7000 Stuttgart Elektromagnetisch betaetigbares kraftstoffeinspritzventil
GB2198589B (en) * 1986-11-15 1990-09-12 Hitachi Ltd Electromagnetic fuel injector
FR2615249B1 (fr) * 1987-05-12 1989-08-18 Renault Injecteur pour moteur a allumage commande et injection directe
JP2603292B2 (ja) * 1988-04-21 1997-04-23 株式会社日立製作所 燃料噴射弁
IT214617Z2 (it) * 1988-06-23 1990-05-09 Weber Srl Ugello per una valvola di dosatura e di polverizzazione del carburanteper un dispositivo di alimentazione di un motore a combustione interna
DE4003228A1 (de) * 1990-02-03 1991-08-22 Bosch Gmbh Robert Elektromagnetisch betaetigbares ventil
DE4231428A1 (de) * 1992-09-19 1994-03-24 Bosch Gmbh Robert Elektromagnetisch betätigbares Ventil mit Scheibenanker
DE19530995A1 (de) * 1995-08-23 1997-02-27 Bosch Gmbh Robert Brennstoffeinspritzventil
US6422487B1 (en) * 2000-03-30 2002-07-23 Siemens Automotive Corporation Deposit resistant material for a fuel injection seat and method of manufacturing
EP1336783A3 (de) * 2002-02-19 2003-09-03 SCHROTT, Harald Bistabiles elektromagnetisches Ventil
DE102004047179A1 (de) 2004-09-29 2006-03-30 Robert Bosch Gmbh Brennstoffeinspritzventil
DE102004049288A1 (de) * 2004-10-09 2006-04-20 Robert Bosch Gmbh Kraftstoffinjektor mit formgeprägtem Ventilsitz zur Reduzierung der Ankerhubdrift
DE102008008118A1 (de) * 2008-02-08 2009-08-13 Schaeffler Kg Elektromagnetische Stelleinheit für ein hydraulisches Wegeventil
US9366355B2 (en) * 2012-08-17 2016-06-14 Continental Automotive Systems, Inc. Sealed armature ball tube assembly
KR101617802B1 (ko) * 2014-10-30 2016-05-03 현대모비스 주식회사 감압 솔레노이드 밸브
EP3279461A1 (de) * 2016-08-03 2018-02-07 Continental Automotive GmbH Ventilanordnung für ein einspritzventil sowie einspritzventil und verbrennungsmotor

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1330181A (en) * 1970-09-25 1973-09-12 Petrol Injection Ltd Fuel injection nozzles
US3731880A (en) * 1971-10-08 1973-05-08 Gen Motors Corp Ball valve electromagnetic fuel injector
US3865312A (en) * 1972-01-06 1975-02-11 Renault Electromagnetically operated ball-type injectors
FR2166734A5 (de) * 1972-01-06 1973-08-17 Peugeot & Renault
US4030668A (en) * 1976-06-17 1977-06-21 The Bendix Corporation Electromagnetically operated fuel injection valve
US4186883A (en) * 1978-05-08 1980-02-05 Essex Group, Inc. Electromagnetic fuel injection valve with swirl means

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3810826A1 (de) * 1988-03-30 1989-10-12 Pierburg Gmbh Elektromagnetisches einspritzventil fuer brennkraftmaschinen

Also Published As

Publication number Publication date
FR2492894A1 (fr) 1982-04-30
DE3168069D1 (en) 1985-02-14
JPS57102555A (en) 1982-06-25
EP0051009A1 (de) 1982-05-05
FR2492894B1 (fr) 1985-06-07
ATE11070T1 (de) 1985-01-15
US4427156A (en) 1984-01-24

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