EP1288481A2 - Actionneur électromagnétique - Google Patents

Actionneur électromagnétique Download PDF

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Publication number
EP1288481A2
EP1288481A2 EP02015412A EP02015412A EP1288481A2 EP 1288481 A2 EP1288481 A2 EP 1288481A2 EP 02015412 A EP02015412 A EP 02015412A EP 02015412 A EP02015412 A EP 02015412A EP 1288481 A2 EP1288481 A2 EP 1288481A2
Authority
EP
European Patent Office
Prior art keywords
valve
anchor
electromagnetic actuator
actuator
actuator 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.)
Granted
Application number
EP02015412A
Other languages
German (de)
English (en)
Other versions
EP1288481B1 (fr
EP1288481A3 (fr
Inventor
Martin Kloda
Gunther Weitkamp
Markus Herring
Heinz Creutz
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.)
Pierburg GmbH
Original Assignee
Pierburg 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 Pierburg GmbH filed Critical Pierburg GmbH
Publication of EP1288481A2 publication Critical patent/EP1288481A2/fr
Publication of EP1288481A3 publication Critical patent/EP1288481A3/fr
Application granted granted Critical
Publication of EP1288481B1 publication Critical patent/EP1288481B1/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
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/52—Systems for actuating EGR valves
    • F02M26/53—Systems for actuating EGR valves using electric actuators, e.g. solenoids
    • 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
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/65—Constructional details of EGR valves
    • F02M26/66—Lift valves, e.g. poppet valves

Definitions

  • the invention relates to an electromagnetic actuator, in particular for use in Valves in the automotive sector, such.
  • a Housing which has an electrical connector, a magnetic yoke, a bobbin, a Guide element, a magnetic core and an armature member which cooperates with a valve actuator, having.
  • Such an actuator is known for example from DE -A1 - 198 31 140 in conjunction with an exhaust gas recirculation valve known.
  • a cylindrical armature element acts as a linear magnet, when energizing the bobbin, the valve closure member via a so in Operative connection standing valve actuator in an open position of the exhaust gas recirculation valve emotional.
  • the valve closure member When interrupting the energization of the bobbin, the valve closure member by means of a spring which acts on the valve actuator in a closed position of the exhaust gas recirculation valve moved back.
  • valves in the automotive sector such. B. exhaust gas recirculation valves, secondary air valves, etc.
  • it may be due to the high thermal loads, as well as by environmental influences Gluing, icing, etc. of the valve closure member come.
  • the valve settles then no longer open and a functional fulfillment is then no longer guaranteed. This then in most cases has a costly repair or replacement of the respective valve result.
  • the invention is therefore based on the object o. G. To avoid disadvantages.
  • the anchor member is a first and a second anchor element, wherein the second anchor element is disc-shaped is and spaced in the non-energized state of the actuator by an air gap is mounted from the first anchor element.
  • the second anchor element acts when energizing the bobbin as Plate magnet, which attracts the first anchor element abruptly and in this way a significantly increased opening force exerts on the valve closure member.
  • these act together as an anchor member in the manner of a linear magnet which opens the valve closure member in a known manner.
  • the same function can be ensured with a smaller coil.
  • it has been found that with appropriate design of the bobbin, of the magnetic core and the anchor elements of the air gap is between 0.1 mm and 2.0 mm.
  • a particularly simple construction of the electromagnetic actuator results when the valve actuator positively or non-positively connected to the first anchor element is.
  • a sleeve member is provided, the positive or non-positive is connected to the second anchor member and is movably mounted in the magnetic core, wherein the valve actuator slidably extends through the sleeve member becomes a particular realized simple and compact design of the electromagnetic actuator.
  • the sleeve member has an end piece, which in the starting position of the second Anchor element abuts against the underside of the magnetic core, is the second anchor element defined in a certain starting position in the de-energized state.
  • the invention relates to a valve with an electromagnetic actuator, wherein the valve actuator is operatively connected to a guided in a valve housing Valve closure member is, in turn, via a coupling piece with the sleeve member is connected, wherein a return spring acts on the coupling piece and in the valve housing is supported, such that the valve actuator, the valve closing member and the sleeve member are biased against the direction of movement in the de-energized state.
  • FIG. 1 shows an electromagnetic actuator 1, which is particularly suitable for use for valves in the automotive sector, such.
  • the Electromagnetic actuator consists essentially of a housing 2 with a electrical connector 3, via which the actuator is energized and controlled.
  • a magnetic yoke 4 In the housing are further in a known manner, a magnetic yoke 4, a bobbin 5, a guide element 6, a magnetic core 7 and an anchor member 8, in the present embodiment consists of two anchor elements 9 and 10, arranged.
  • To lead the Anchor organ 8 are each in the guide element and the magnetic core a bearing bush 11, 12 provided.
  • the first anchor element 9 is by means of a compression spring 13, which is located on the housing 2 supported in a known manner in the direction of movement, biased.
  • the valve actuator 14 which with a valve closure member 15 shown in Figure 4 in operative connection is, is with the first anchor element 9, for example by a screw connection, connected. Furthermore, the valve actuator 14 extends through a sleeve 16 therethrough and is movably mounted in this sleeve 16 in the longitudinal direction.
  • the sleeve 16 has a Lug 17, which rests against the underside of the magnetic core 7.
  • the second anchor member 10 is attached.
  • the sleeve 16 on is slidably mounted in the magnetic core 7 in the longitudinal direction.
  • first anchor element 9 and the second anchor element 10 spaced apart by an air gap with the width of 0.5 mm.
  • the underside of the valve actuator extends 0.5 mm over the bottom of the extension piece 17 of the sleeve 16 addition.
  • Figure 2 shows the electromagnetic actuator 1 of Figure 1 shortly after the onset of Energization of the bobbin 5.
  • the second anchor member 10 due to its disc-shaped Execution acts as a plate magnet pulls the first anchor element 9 with a lot high magnetic force, thus obtaining a stroke of the valve actuator 14 of 0.5 mm a much higher opening force than a Hubvor ein as a linear magnet.
  • FIG. 4 now shows an exhaust gas recirculation valve in a sectional view with the invention Actuator 1.
  • the exhaust gas recirculation valve 18 has a valve housing 19, the known Way, the valve closing member 15 stores, which in turn with a known valve seat 20 cooperates.
  • a return spring 21, which is supported in the valve housing 19, is opposite a coupling piece 22 biased.
  • the coupling piece 22, which also serves as a spring element may be performed, connects the sleeve member 16 with the valve closure member 15. Accordingly, the return spring 21 acts on the coupling piece 22 and thus on the Sleeve member 16, the valve closing member 15 and the valve actuator 14, in this way be moved back to the starting position in the de-energized state.
  • the housing 2 and the valve housing 19 are in the present embodiment by a rolled-over Sheet metal ring 23 connected together.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Magnetically Actuated Valves (AREA)
  • Valve Device For Special Equipments (AREA)
EP02015412A 2001-09-04 2002-07-11 Actionneur électromagnétique Expired - Lifetime EP1288481B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10143307 2001-09-04
DE10143307A DE10143307A1 (de) 2001-09-04 2001-09-04 Elektromagnetischer Stellantrieb

Publications (3)

Publication Number Publication Date
EP1288481A2 true EP1288481A2 (fr) 2003-03-05
EP1288481A3 EP1288481A3 (fr) 2004-09-01
EP1288481B1 EP1288481B1 (fr) 2006-08-30

Family

ID=7697661

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02015412A Expired - Lifetime EP1288481B1 (fr) 2001-09-04 2002-07-11 Actionneur électromagnétique

Country Status (4)

Country Link
US (1) US6719265B2 (fr)
EP (1) EP1288481B1 (fr)
DE (2) DE10143307A1 (fr)
ES (1) ES2271153T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009106080A1 (fr) * 2008-02-28 2009-09-03 Danfoss A/S Actionneur électromagnétique et soupape

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004003599A (ja) * 2002-03-29 2004-01-08 Denso Corp 電磁駆動装置
BRPI0403705A (pt) * 2004-08-20 2006-04-04 Wahler Metalurgica Ltda solenóide linear válvula egr
US20070246677A1 (en) * 2006-04-21 2007-10-25 Bircann Raul A Exhaust gas recirculation valve having self-centering bushing
DE102006024728A1 (de) * 2006-05-26 2007-11-29 Pierburg Gmbh Kraftfahrzeugventil
US7741941B2 (en) * 2006-11-30 2010-06-22 Honeywell International Inc. Dual armature solenoid valve assembly
EP2183135B1 (fr) * 2007-09-04 2011-06-15 Toyota Jidosha Kabushiki Kaisha Électrovalve normalement fermée et système de commande de freinage comprenant une telle valve
KR100902793B1 (ko) * 2007-11-07 2009-06-12 주식회사 경동네트웍 유량조절밸브
US20090212248A1 (en) * 2008-02-27 2009-08-27 Eugeniusz Kozak Solenoid-actuated diaphragm valve
US8322376B2 (en) * 2008-06-09 2012-12-04 Bendix Commercial Vehicle Systems, Llc Solenoid valve
DE102018117074A1 (de) * 2018-07-13 2020-01-16 Svm Schultz Verwaltungs-Gmbh & Co. Kg Elektromagnetischer Aktuator mit Ankerscheibe
DE102020134522A1 (de) 2020-12-21 2022-06-23 Kendrion (Villingen) Gmbh Elektromagnet zur Erzeugung einer linearen Bewegung

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19831140A1 (de) 1998-07-11 2000-01-13 Pierburg Ag Abgasrückführventil

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1817592A (en) * 1931-08-04 sokoloff
US2324642A (en) * 1940-05-03 1943-07-20 Honeywell Regulator Co Electromagnetic valve operator
US3473780A (en) * 1967-05-11 1969-10-21 Honeywell Inc Control apparatus
DE1806094B1 (de) * 1968-10-30 1970-01-02 Automatic Switch Co Elektromagnetisches Ventil
US3737141A (en) * 1972-04-13 1973-06-05 Control Concepts Normally closed solenoid operated valve
US3961298A (en) * 1975-05-07 1976-06-01 The Singer Company Dual plunger solenoid
US4008876A (en) * 1975-06-09 1977-02-22 The Singer Company Solenoid valve
DE19817740A1 (de) * 1998-04-21 1999-10-28 Pierburg Ag Abgasrückführventil
US6047718A (en) * 1999-04-01 2000-04-11 Emersonelectric Co. Solenoid valve having coaxial armatures in a single coil design

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19831140A1 (de) 1998-07-11 2000-01-13 Pierburg Ag Abgasrückführventil

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009106080A1 (fr) * 2008-02-28 2009-09-03 Danfoss A/S Actionneur électromagnétique et soupape
CN101960540A (zh) * 2008-02-28 2011-01-26 丹福斯有限公司 电磁驱动器及阀
US8434734B2 (en) 2008-02-28 2013-05-07 Danfoss A/S Electromagnetic actuator and valve
CN101960540B (zh) * 2008-02-28 2014-11-26 丹福斯有限公司 电磁驱动器及阀

Also Published As

Publication number Publication date
US20030042454A1 (en) 2003-03-06
EP1288481B1 (fr) 2006-08-30
US6719265B2 (en) 2004-04-13
DE50207981D1 (de) 2006-10-12
DE10143307A1 (de) 2003-03-20
EP1288481A3 (fr) 2004-09-01
ES2271153T3 (es) 2007-04-16

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