EP2254130A3 - Residual air dividing disc - Google Patents

Residual air dividing disc Download PDF

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Publication number
EP2254130A3
EP2254130A3 EP10157979.5A EP10157979A EP2254130A3 EP 2254130 A3 EP2254130 A3 EP 2254130A3 EP 10157979 A EP10157979 A EP 10157979A EP 2254130 A3 EP2254130 A3 EP 2254130A3
Authority
EP
European Patent Office
Prior art keywords
residual air
dividing disc
air dividing
air gap
magnetic core
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.)
Granted
Application number
EP10157979.5A
Other languages
German (de)
French (fr)
Other versions
EP2254130A2 (en
EP2254130B1 (en
Inventor
Jens Leister
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 EP2254130A2 publication Critical patent/EP2254130A2/en
Publication of EP2254130A3 publication Critical patent/EP2254130A3/en
Application granted granted Critical
Publication of EP2254130B1 publication Critical patent/EP2254130B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00Magnets
    • H01F7/06Electromagnets; Actuators including electromagnets
    • H01F7/08Electromagnets; Actuators including electromagnets with armatures
    • H01F7/16Rectilinearly-movable armatures
    • H01F7/1638Armatures not entering the winding
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M63/00Other 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
    • F02M63/0012Valves
    • F02M63/0014Valves characterised by the valve actuating means
    • F02M63/0015Valves characterised by the valve actuating means electrical, e.g. using solenoid
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M63/00Other 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
    • F02M63/0012Valves
    • F02M63/007Details not provided for in, or of interest apart from, the apparatus of the groups F02M63/0014 - F02M63/0059
    • F02M63/0075Stop members in valves, e.g. plates or disks limiting the movement of armature, valve or spring
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M2200/00Details of fuel-injection apparatus, not otherwise provided for
    • F02M2200/07Fuel-injection apparatus having means for avoiding sticking of valve or armature, e.g. preventing hydraulic or magnetic sticking of parts
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M2200/00Details of fuel-injection apparatus, not otherwise provided for
    • F02M2200/80Fuel injection apparatus manufacture, repair or assembly
    • F02M2200/8015Provisions for assembly of fuel injection apparatus in a certain orientation, e.g. markings, notches or specially shaped sleeves other than a clip
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M2200/00Details of fuel-injection apparatus, not otherwise provided for
    • F02M2200/80Fuel injection apparatus manufacture, repair or assembly
    • F02M2200/8053Fuel injection apparatus manufacture, repair or assembly involving mechanical deformation of the apparatus or parts thereof
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M2200/00Details of fuel-injection apparatus, not otherwise provided for
    • F02M2200/80Fuel injection apparatus manufacture, repair or assembly
    • F02M2200/8061Fuel injection apparatus manufacture, repair or assembly involving press-fit, i.e. interference or friction fit
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M47/00Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure
    • F02M47/02Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure of accumulator-injector type, i.e. having fuel pressure of accumulator tending to open, and fuel pressure in other chamber tending to close, injection valves and having means for periodically releasing that closing pressure
    • F02M47/027Electrically actuated valves draining the chamber to release the closing pressure
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00Magnets
    • H01F7/06Electromagnets; Actuators including electromagnets
    • H01F7/08Electromagnets; Actuators including electromagnets with armatures
    • H01F7/16Rectilinearly-movable armatures
    • H01F2007/1661Electromagnets or actuators with anti-stick disc

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)
  • Fuel-Injection Apparatus (AREA)
  • Magnetically Actuated Valves (AREA)

Abstract

Die Erfindung bezieht sich auf eine Magnetbaugruppe (10) zur Betätigung eines Kraftstoffinjektors. Die Magnetbaugruppe (10) umfasst einen Magnetkern (22), in welchem eine Magnetspule (24) angeordnet ist, die auf einen Magnetanker (14, 16) wirkt. Der Magnetkern (22) umfasst ferner eine dem Magnetanker (14, 16) zuweisende Stirnseite (26), an der eine Restluftspaltscheibe (44) angeordnet ist. Die Restluftspaltscheibe (44) ist an Einklemmstellen (42) durch Kraftschluss fixiert.

Figure imgaf001
The invention relates to a magnet assembly (10) for actuating a fuel injector. The magnet assembly (10) comprises a magnetic core (22) in which a magnetic coil (24) is arranged, which acts on a magnet armature (14, 16). The magnetic core (22) further comprises an end face (26) facing the magnet armature (14, 16), on which a residual air gap disc (44) is arranged. The residual air gap disc (44) is fixed at Einklemmstellen (42) by adhesion.
Figure imgaf001

EP10157979.5A 2009-05-19 2010-03-26 Residual air dividing disc Active EP2254130B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200910003213 DE102009003213A1 (en) 2009-05-19 2009-05-19 Residual air gap disc

Publications (3)

Publication Number Publication Date
EP2254130A2 EP2254130A2 (en) 2010-11-24
EP2254130A3 true EP2254130A3 (en) 2014-12-10
EP2254130B1 EP2254130B1 (en) 2018-08-15

Family

ID=42224043

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10157979.5A Active EP2254130B1 (en) 2009-05-19 2010-03-26 Residual air dividing disc

Country Status (3)

Country Link
EP (1) EP2254130B1 (en)
CN (1) CN101894655B (en)
DE (1) DE102009003213A1 (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010030600A1 (en) 2010-06-28 2011-12-29 Robert Bosch Gmbh Minimization of the Ankerschließprellens by a delay element in the residual air gap
DE102011077350A1 (en) 2011-06-10 2012-12-13 Robert Bosch Gmbh Solenoid valve with a magnet assembly
DE102011086284A1 (en) 2011-11-14 2013-05-16 Robert Bosch Gmbh Solenoid valve with a magnet assembly
DE102011089127A1 (en) 2011-12-20 2013-06-20 Robert Bosch Gmbh Magnetic assembly with a residual air gap disc for a solenoid valve, solenoid valve and method for producing a residual air gap disc
DE102011089935A1 (en) 2011-12-27 2013-06-27 Robert Bosch Gmbh Magnetic component for magnetic valve for operating fuel injectors, has residual air gap disk positively connected with armature or magnetic core by using plugging connection such that air gap disk is positionally fixed
DE102012206216A1 (en) 2012-04-16 2013-10-17 Robert Bosch Gmbh Magnetic valve of magnetic valve injector for fuel injection system used in combustion engine, has armature space that is enclosed by anchor plate, and quiescent state stroke impact space that is formed independently of armature space
DE102012206218A1 (en) 2012-04-16 2013-10-17 Robert Bosch Gmbh Magnetic valve for magnetic valve injector i.e. fuel injector, of common-rail injection system, has anchor plate and anchor bolt designed as cooperating components, which comprise interconnection making movements relative to each other
DE102012209175A1 (en) 2012-05-31 2013-12-05 Robert Bosch Gmbh Magnetic assembly for a solenoid valve
DE102013212238A1 (en) 2013-06-26 2014-12-31 Robert Bosch Gmbh Solenoid valve and fuel injector with such a solenoid valve
DE102013212504A1 (en) 2013-06-27 2014-12-31 Robert Bosch Gmbh Magnetic assembly for a fuel injector
DE102013010833A1 (en) 2013-06-28 2014-12-31 Hydac Electronic Gmbh Electromagnetic actuator
DE102013218881A1 (en) 2013-09-19 2015-03-19 Robert Bosch Gmbh Magnetic actuator for actuating fuel injectors, fuel injector
DE102014215589A1 (en) 2014-02-10 2015-08-13 Robert Bosch Gmbh Residual air gap disk for a magnetic assembly of a solenoid valve and method for producing a residual air gap disk
KR101509613B1 (en) * 2014-08-13 2015-04-08 김종기 Nose mask
DE102014222504A1 (en) * 2014-11-04 2016-05-04 Robert Bosch Gmbh valve means
DE102016203516A1 (en) * 2016-03-03 2017-09-07 Robert Bosch Gmbh Electromagnetically actuated inlet valve and high-pressure pump with inlet valve
DE102016210393A1 (en) 2016-06-13 2017-12-14 Robert Bosch Gmbh Residual air gap disc for a solenoid valve and fuel injector with a residual air gap disc

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19802244A1 (en) * 1998-01-22 1999-07-29 Bosch Gmbh Robert Fuel injection valve for IC engines
EP1231378A2 (en) * 2001-02-12 2002-08-14 Delphi Technologies, Inc. Electromagnetic fuel injector comprising flexible element for positioning armature
EP2025922A2 (en) * 2007-08-10 2009-02-18 Robert Bosch Gmbh Fuel injector valve for combustion engines

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2936853A1 (en) * 1979-09-12 1981-04-02 Robert Bosch Gmbh, 7000 Stuttgart ELECTROMAGNETICALLY ACTUABLE VALVE
DE3010612A1 (en) * 1980-03-20 1981-10-01 Robert Bosch Gmbh, 7000 Stuttgart ELECTROMAGNETICALLY ACTUABLE VALVE
US5238224A (en) * 1992-08-20 1993-08-24 Siemens Automotive L.P. Dry coil
DE19650865A1 (en) * 1996-12-07 1998-06-10 Bosch Gmbh Robert magnetic valve

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19802244A1 (en) * 1998-01-22 1999-07-29 Bosch Gmbh Robert Fuel injection valve for IC engines
EP1231378A2 (en) * 2001-02-12 2002-08-14 Delphi Technologies, Inc. Electromagnetic fuel injector comprising flexible element for positioning armature
EP2025922A2 (en) * 2007-08-10 2009-02-18 Robert Bosch Gmbh Fuel injector valve for combustion engines

Also Published As

Publication number Publication date
EP2254130A2 (en) 2010-11-24
EP2254130B1 (en) 2018-08-15
DE102009003213A1 (en) 2010-11-25
CN101894655B (en) 2016-10-19
CN101894655A (en) 2010-11-24

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