EP2279343B1 - Magnetventil ohne restluftspaltscheibe - Google Patents

Magnetventil ohne restluftspaltscheibe Download PDF

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Publication number
EP2279343B1
EP2279343B1 EP09730740A EP09730740A EP2279343B1 EP 2279343 B1 EP2279343 B1 EP 2279343B1 EP 09730740 A EP09730740 A EP 09730740A EP 09730740 A EP09730740 A EP 09730740A EP 2279343 B1 EP2279343 B1 EP 2279343B1
Authority
EP
European Patent Office
Prior art keywords
armature
solenoid valve
air gap
magnet
residual air
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.)
Active
Application number
EP09730740A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2279343A1 (de
Inventor
Peter Boehland
Sebastian Kanne
Tony Dumont
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 EP2279343A1 publication Critical patent/EP2279343A1/de
Application granted granted Critical
Publication of EP2279343B1 publication Critical patent/EP2279343B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
    • F02M63/0012—Valves
    • F02M63/0014—Valves characterised by the valve actuating means
    • F02M63/0015—Valves characterised by the valve actuating means electrical, e.g. using solenoid
    • F02M63/0024—Valves characterised by the valve actuating means electrical, e.g. using solenoid in combination with permanent magnet
    • 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
    • F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
    • F02M63/0012—Valves
    • F02M63/0014—Valves characterised by the valve actuating means
    • F02M63/0015—Valves characterised by the valve actuating means electrical, e.g. using solenoid
    • F02M63/0017—Valves characterised by the valve actuating means electrical, e.g. using solenoid using electromagnetic operating means
    • F02M63/0021—Valves characterised by the valve actuating means electrical, e.g. using solenoid using electromagnetic operating means characterised by the arrangement of mobile armatures
    • 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
    • F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
    • F02M63/0012—Valves
    • F02M63/007—Details not provided for in, or of interest apart from, the apparatus of the groups F02M63/0014 - F02M63/0059
    • F02M63/0075—Stop members in valves, e.g. plates or disks limiting the movement of armature, valve or spring
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
    • H01F7/081—Magnetic constructions

Definitions

  • Fuel injectors that are used on high-pressure accumulator injection systems may also have a two-piece anchor, which is also actuated by a solenoid valve.
  • the armature exerts the closing force on a valve ball in each case in the currentless case of the solenoid valve.
  • An armature guide which is bolted firmly in the injector body of the fuel injector, receives the anchor bolt.
  • the anchor plate is guided, which in turn is attracted by the electromagnet.
  • the anchor bolt can tilt due to the leadership game in the anchor guide.
  • the anchor plate in turn can tilt on the anchor bolt, so that the total tilt of the assembly anchor bolt / anchor plate with respect to the injector main axis can be determined as the sum of the leadership games.
  • this residual air gap is adjusted via a projection or a step which is preferably formed on a plan side of the armature plate opposite the magnet coils of the magnet valve.
  • the armature can be made smaller, which leads to a constructive size of the solenoid valve advantageously influencing smaller-sized anchor.
  • a smaller mass of the armature in turn results in a lower seating load, a smaller armature surface leads to a lower hydraulic influence on the armature movement.

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)
  • Power Engineering (AREA)
  • Electromagnets (AREA)
  • Magnetically Actuated Valves (AREA)
EP09730740A 2008-04-10 2009-02-04 Magnetventil ohne restluftspaltscheibe Active EP2279343B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008001122A DE102008001122A1 (de) 2008-04-10 2008-04-10 Magnetventil ohne Restluftspaltscheibe
PCT/EP2009/051243 WO2009124789A1 (de) 2008-04-10 2009-02-04 Magnetventil ohne restluftspaltscheibe

Publications (2)

Publication Number Publication Date
EP2279343A1 EP2279343A1 (de) 2011-02-02
EP2279343B1 true EP2279343B1 (de) 2012-02-01

Family

ID=40637070

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09730740A Active EP2279343B1 (de) 2008-04-10 2009-02-04 Magnetventil ohne restluftspaltscheibe

Country Status (7)

Country Link
US (1) US20110049406A1 (es)
EP (1) EP2279343B1 (es)
CN (1) CN101990598A (es)
AT (1) ATE544000T1 (es)
DE (1) DE102008001122A1 (es)
ES (1) ES2377710T3 (es)
WO (1) WO2009124789A1 (es)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2953268B1 (fr) * 2009-12-02 2012-04-06 Bosch Gmbh Robert Soupape electromagnetique de commande d'un injecteur ou de regulation de pression d'un accumulateur de carburant a haute pression
KR20120109122A (ko) * 2011-03-28 2012-10-08 주식회사 만도 브레이크 시스템용 솔레노이드 밸브
US9206921B1 (en) * 2013-01-02 2015-12-08 Jansen's Aircraft Systems Controls, Inc. Sealed solenoid and solenoid valve
DE102015212130A1 (de) 2015-06-30 2017-01-05 Robert Bosch Gmbh Magnetbaugruppe und Kraftstoffinjektor mit einer Magnetbaugruppe
GB201518455D0 (en) 2015-10-19 2015-12-02 Delphi Internat Operations Luxembourg S À R L Digital inlet valve

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19523915A1 (de) * 1995-06-30 1997-01-02 Bosch Gmbh Robert Mikroventil und Verfahren zur Herstellung eines Mikroventils
US5785298A (en) * 1996-04-15 1998-07-28 Teknocraft, Inc. Proportional solenoid-controlled fluid valve assembly
DE19650865A1 (de) 1996-12-07 1998-06-10 Bosch Gmbh Robert Magnetventil
DE19832826C2 (de) * 1998-07-21 2000-08-17 Bosch Gmbh Robert Montageverfahren für Kraftstoff-Einspritzventil und Vorsteuerventil sowie Kraftstoff-Einspritzventil
JP2000274548A (ja) * 1999-03-24 2000-10-03 Bosch Automotive Systems Corp ディスク型電磁弁および電磁式燃料噴射弁
DE10131199A1 (de) * 2001-06-28 2003-01-16 Bosch Gmbh Robert Magnetventil zur Steuerung eines Einspritzventils einer Brennkraftmaschine
JP4082929B2 (ja) * 2002-05-21 2008-04-30 株式会社日立製作所 燃料噴射弁
JP4168448B2 (ja) * 2004-07-08 2008-10-22 株式会社デンソー 燃料噴射弁
DE102006020689A1 (de) * 2006-05-04 2007-11-08 Robert Bosch Gmbh Magnetventil mit stoffschlüssiger Ankerverbindung
DE102006021735A1 (de) * 2006-05-10 2007-11-15 Robert Bosch Gmbh Magnetventil mit geflutetem Ankerraum

Also Published As

Publication number Publication date
US20110049406A1 (en) 2011-03-03
DE102008001122A1 (de) 2009-10-15
EP2279343A1 (de) 2011-02-02
ATE544000T1 (de) 2012-02-15
ES2377710T3 (es) 2012-03-30
CN101990598A (zh) 2011-03-23
WO2009124789A1 (de) 2009-10-15

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