EP0429485A1 - Dispositif de reglage a commande electromagnetique - Google Patents

Dispositif de reglage a commande electromagnetique

Info

Publication number
EP0429485A1
EP0429485A1 EP89908802A EP89908802A EP0429485A1 EP 0429485 A1 EP0429485 A1 EP 0429485A1 EP 89908802 A EP89908802 A EP 89908802A EP 89908802 A EP89908802 A EP 89908802A EP 0429485 A1 EP0429485 A1 EP 0429485A1
Authority
EP
European Patent Office
Prior art keywords
valve
spring
armature plate
springs
valve stem
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.)
Pending
Application number
EP89908802A
Other languages
German (de)
English (en)
Inventor
Peter Kreuter
Klaus-Peter Schmitz
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.)
Audi AG
Original Assignee
Audi AG
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 Audi AG filed Critical Audi AG
Publication of EP0429485A1 publication Critical patent/EP0429485A1/fr
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L9/00—Valve-gear or valve arrangements actuated non-mechanically
    • F01L9/20—Valve-gear or valve arrangements actuated non-mechanically by electric means

Definitions

  • the invention relates to an electromagnetically actuated adjusting device for gas exchange valves of an internal combustion engine.
  • Such actuators are known from DE-OS 35 13 105 or DE-OS 23 35 150.
  • An armature plate oscillating back and forth between an opposing pair of magnets transmits its movement to a valve stem designed as a separate component, so that one position of the armature plate is associated with an opening of the gas exchange valve and the other position with a closure of the gas exchange valve.
  • a spring system which acts on the anchor plate from the closed to the open position, and a second spring system which acts on the upper end of the valve stem from the open to the closed position.
  • the dead center of this spring system is roughly assigned to the central position of the armature plate between the two opposite electromagnets.
  • the spring system moves the armature plate away from the magnet when the magnet is switched off and allows the system to oscillate beyond the dead center in the vicinity of the opposite magnet. If this is excited by current, the anchor plate is caught and the system for actuating the gas exchange valve has changed from the open to the closed state or vice versa.
  • the spring preload changes due to material fatigue and aging processes, so that constant conditions are not maintained over a longer operating state.
  • the invention is based on the problem of improving a system known from the prior art mentioned above in such a way that constant suspension properties of the spring systems are maintained over long operating periods.
  • a three-spring system is used in the adjusting device for the gas exchange valves, two springs of which act on the anchor plate on both sides.
  • This spring system corresponds approximately to the system that is shown in a system known from DE-OS 30 24 109 in cooperation with an integral design of the armature plate and valve stem.
  • a third spring acts on the valve stem at one end opposite the valve plate in the closed position of the valve plate.
  • the magnetic cores 10 and 12 are provided which lie opposite one another.
  • the magnetic cores 10 and 12 are designed as pot magnets and contain a coil 14 and 16, respectively.
  • the two pole faces of these pot magnets 10 and 12 lie opposite one another, an anchor plate 18 moves back and forth between them.
  • An outer sleeve 20 surrounds the system, it serves for shielding from the outside and also also for guiding the anchor plate 18.
  • a cover 32 is provided which also closes the bore 36 at the top.
  • the cover 32 is also used as an abutment for a spring 38, which will be discussed further below.
  • an extension 22 which lies in the central bore between the electromagnet 12 and contributes to guiding the armature plate 18.
  • the underside of this extension 22 is denoted by 24, it is in contact with the valve stem end 26 of a valve stem 28.
  • the valve stem 28 carries at its opposite end, not shown here, a valve disk which holds the inlet or outlet for the combustion chamber of an internal combustion engine opens or closes in a known manner.
  • a first spring system shown here as spring 38, is provided between cover 32 and anchor plate 18 in order to to act upon the anchor plate 18 in the direction of the opening of the gas exchange valve.
  • a second spring system shown here as a helical spring 40, is between. the cylinder block 30 as abutment and the lower end 24, which is connected to the anchor plate 18 via the extension 22.
  • This coil spring 40 acts on the armature plate 18 in a position which corresponds to the closed position of the gas exchange valve.
  • a spring 42 is provided, which is arranged between the cylinder block 30 and the upper end 26 of the valve stem 28 and also acts on the valve stem 28 in the direction of the closed position of the gas exchange valve.
  • the spring system 38 on one side of the armature plate 18 and the combined spring systems 40 and 42 on the other side of the armature plate 18 act on the armature plate such that the equilibrium position of the armature plate between the two opposite pole faces of the magnets 10 and 12 is approximately in the middle .
  • the spring 38 is designed to be more rigid than the spring 40, which is supported in its action by the spring 42.
  • this presupposes that there is still contact between the lower extension 24 and the upper shaft end 26 even in the closed position of the gas exchange valve.
  • the coil 14 is switched off and the coil 16 is energized.
  • the armature plate 18 is no longer held on the pole face of the pot magnet 10, the spring 38 presses the armature plate 18 in the direction of the central position between the pole faces of the magnets 10 and 12.
  • the springs 40 and 42 are compressed.
  • the springs 38 and 40 are designed differently rigid.
  • the two springs can have the same spring constant, but then a further spring must be provided in the bore 36 - an intermediate cover 32 and extension 34, which the spring 42 compensates so that the dead center of the armature plate 18 remains in the middle position between the two pole faces and the system works at least essentially symmetrically on both sides.
  • this additional spring can then only become effective over part of the path of the anchor plate 18.
  • the three-spring system shown also ensures constant spring ratios over a longer period of time.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve Device For Special Equipments (AREA)
  • Magnetically Actuated Valves (AREA)

Abstract

Un dispositif de réglage de soupapes à deux voies de gaz à commande électromagnétique ouvre et ferme les soupapes à deux voies en faisant se déplacer une plaque d'induit (8) entre des électro-aimants (14, 16) opposés, et comprend une subdivision entre la plaque d'induit (18) et la tige de soupape (28). D'un côté de la plaque d'induit (18), un système de ressorts (38) pousse la plaque d'induit vers la position d'ouverture de la soupape. De l'autre côté est agencé un double système de ressorts dont une partie (40) pousse la plaque d'induit vers la position de fermeture de la soupape, alors que la deuxième partie (42) de ce système double sollicite la soupape par la tige de soupape (28) vers sa position de fermeture.
EP89908802A 1988-08-09 1989-07-28 Dispositif de reglage a commande electromagnetique Pending EP0429485A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3826978A DE3826978A1 (de) 1988-08-09 1988-08-09 Elektromagnetisch betaetigbare stellvorrichtung
DE3826978 1988-08-09

Publications (1)

Publication Number Publication Date
EP0429485A1 true EP0429485A1 (fr) 1991-06-05

Family

ID=6360501

Family Applications (2)

Application Number Title Priority Date Filing Date
EP89113915A Expired - Lifetime EP0356713B1 (fr) 1988-08-09 1989-07-28 Dispositif de positionnement actionné électromagnétiquement
EP89908802A Pending EP0429485A1 (fr) 1988-08-09 1989-07-28 Dispositif de reglage a commande electromagnetique

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP89113915A Expired - Lifetime EP0356713B1 (fr) 1988-08-09 1989-07-28 Dispositif de positionnement actionné électromagnétiquement

Country Status (6)

Country Link
US (1) US5199392A (fr)
EP (2) EP0356713B1 (fr)
JP (1) JP2635428B2 (fr)
DE (2) DE3826978A1 (fr)
ES (1) ES2032082T3 (fr)
WO (1) WO1990001614A1 (fr)

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EP0493633B1 (fr) * 1990-12-31 1994-04-06 Isuzu Ceramics Research Institute Co., Ltd. Système électromagnétique de commande de soupape
GB9104047D0 (en) * 1991-02-27 1991-04-17 Lucas Ind Plc Solenoid
US5588403A (en) * 1992-11-04 1996-12-31 Williams; Douglas J. Rack and pinion valve operating system
US5339777A (en) * 1993-08-16 1994-08-23 Caterpillar Inc. Electrohydraulic device for actuating a control element
US5494219A (en) * 1994-06-02 1996-02-27 Caterpillar Inc. Fuel injection control valve with dual solenoids
US5636601A (en) * 1994-06-15 1997-06-10 Honda Giken Kogyo Kabushiki Kaisha Energization control method, and electromagnetic control system in electromagnetic driving device
US5570721A (en) * 1995-03-29 1996-11-05 Caterpillar Inc. Double acting solenoid and poppet valve servomechanism
DE19531437A1 (de) * 1995-08-26 1997-02-27 Fev Motorentech Gmbh & Co Kg Verfahren zur Erfassung des Ventilspiels an einem durch einen elektromagnetischen Aktuator betätigten Gaswechselventil
KR100248332B1 (ko) * 1995-12-23 2000-04-01 정몽규 차량의 흡/배기밸브용 개폐장치
DE19607019A1 (de) * 1996-02-24 1997-08-28 Daimler Benz Ag Vorrichtung zur elektromagnetischen Betätigung eines Gaswechselventiles für Verbrennungsmotoren
DE19611547A1 (de) * 1996-03-23 1997-09-25 Bayerische Motoren Werke Ag Elektromagnetische Betätigungsvorrichtung für Brennkraftmaschinen-Hubventile
DE19615435A1 (de) * 1996-04-19 1997-10-23 Daimler Benz Ag Vorrichtung zur elektromagnetischen Betätigung eines Gaswechselventiles für Verbrennungsmotoren
US5791339A (en) * 1997-03-13 1998-08-11 Nellcor Puritan Bennettt Incorprated Spring piloted safety valve with jet venturi bias
DE19714518A1 (de) 1997-04-08 1998-10-15 Bayerische Motoren Werke Ag Stromsteuerverfahren für ein elektromagnetisch betätigtes Hubventil einer Brennkraftmaschine
DE19723931A1 (de) 1997-06-06 1998-12-10 Siemens Ag Einrichtung zum Steuern eines elektromechanischen Stellgeräts
DE19725010C1 (de) * 1997-06-13 1998-10-29 Daimler Benz Ag Vorrichtung zur Betätigung eines Gaswechselventils mit einem elektromagnetischen Aktuator
DE19733186A1 (de) * 1997-07-31 1999-02-04 Fev Motorentech Gmbh & Co Kg Elektromagnetisch betätigbares Gaswechselventil für eine Kolbenbrennkraftmaschine
ES2202716T3 (es) * 1998-01-16 2004-04-01 Pierburg Gmbh Valvula de realimentacion de gases de escape.
DE19832388C1 (de) * 1998-07-18 1999-09-16 Daimler Chrysler Ag Vorrichtung zum Betätigen eines Gaswechselventils mit einem elektromagnetischen Aktuator
DE19924417C2 (de) * 1998-07-29 2000-11-30 Daimler Chrysler Ag Aktor zur elektromagnetischen Ventilsteuerung
DE19835402C1 (de) * 1998-08-05 2000-02-10 Meta Motoren Energietech Elektromagnetisch arbeitende Vorrichtung zum Betätigen eines Ventils
DE19837837C1 (de) * 1998-08-20 2000-01-05 Daimler Chrysler Ag Vorrichtung zum Betätigen eines Gaswechselventils
US6354253B1 (en) * 1998-11-20 2002-03-12 Toyota Jidosha Kabushiki Kaisha Solenoid valve device
EP1041252B1 (fr) * 1999-03-31 2005-06-01 FEV Motorentechnik GmbH Soupape à commande électromagnétique
DE19927823B4 (de) 1999-06-18 2004-08-12 Daimlerchrysler Ag Elektromagnetischer Aktuator und Verfahren zur Justierung des elektromagnetischen Aktuators
JP2001102213A (ja) * 1999-09-28 2001-04-13 Honda Motor Co Ltd アクチュエータ制御装置
DE10051076C2 (de) * 2000-10-14 2003-12-18 Daimler Chrysler Ag Verfahren zur Herstellung eines elektromagnetischen Aktuators
DE10056572A1 (de) * 2000-11-15 2002-05-23 Bayerische Motoren Werke Ag Brennkraftmaschine mit einem elektromagnetischen, auf einem Zylinderkopf angeordneten Aktor
JP4803882B2 (ja) * 2001-01-19 2011-10-26 本田技研工業株式会社 電磁アクチュエータ制御装置
DE20104677U1 (de) * 2001-03-17 2001-05-31 Dbt Gmbh Elektromagnet-Schaltvorrichtung
FR2840724B1 (fr) * 2002-06-11 2004-08-27 Johnson Contr Automotive Elect Actionneur electromagnetique a ressorts differencies
US20040113731A1 (en) * 2002-10-09 2004-06-17 David Moyer Electromagnetic valve system
AU2003300633A1 (en) * 2002-10-09 2004-05-04 Social Profit Network Electromagnetic valve system
JP4433805B2 (ja) * 2004-01-21 2010-03-17 三菱電機株式会社 鏡支持機構、及びこれを用いた光学装置
DE102007037333A1 (de) * 2007-08-08 2009-02-26 Daimler Ag Betätigungsvorrichtung
DE102015213628A1 (de) 2015-07-20 2017-01-26 Schaeffler Technologies AG & Co. KG Elektromagnetisch betätigbares Gaswechselventil und Verfahren zu dessen Steuerung
EP3153700A1 (fr) * 2015-10-08 2017-04-12 Continental Automotive GmbH Ensemble de soupape pour soupape d'injection, une telle soupape et procédé pour assembler ladite soupape
DE102017206151B3 (de) 2017-04-11 2018-10-11 Ford Global Technologies, Llc Brennkraftmaschine umfassend Ventiltriebe mit Ventilfedern und Verfahren zum Montieren einer derartigen Ventilfeder
CN113305776A (zh) * 2021-04-01 2021-08-27 贵州航天林泉电机有限公司 一种均衡双向输出永磁拔销器
CN113103173A (zh) * 2021-04-01 2021-07-13 贵州航天林泉电机有限公司 一种双向输出拔销器

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Also Published As

Publication number Publication date
ES2032082T3 (es) 1993-01-01
US5199392A (en) 1993-04-06
EP0356713A1 (fr) 1990-03-07
EP0356713B1 (fr) 1992-05-06
JP2635428B2 (ja) 1997-07-30
DE3826978A1 (de) 1990-02-15
WO1990001614A1 (fr) 1990-02-22
DE58901328D1 (de) 1992-06-11
JPH04502190A (ja) 1992-04-16

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Legal Events

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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XX Miscellaneous (additional remarks)

Free format text: VERFAHREN ABGESCHLOSSEN INFOLGE VERBINDUNG MIT 89113915.6/0356713 (EUROPAEISCHE ANMELDENUMMER/VEROEFFENTLICHUNGSNUMMER) VOM 24.09.91.