EP1243007B1 - Dispositif d'actionnement - Google Patents

Dispositif d'actionnement Download PDF

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Publication number
EP1243007B1
EP1243007B1 EP00971418A EP00971418A EP1243007B1 EP 1243007 B1 EP1243007 B1 EP 1243007B1 EP 00971418 A EP00971418 A EP 00971418A EP 00971418 A EP00971418 A EP 00971418A EP 1243007 B1 EP1243007 B1 EP 1243007B1
Authority
EP
European Patent Office
Prior art keywords
actuating device
pin
collar
adjustable
spring
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 - Lifetime
Application number
EP00971418A
Other languages
German (de)
English (en)
Other versions
EP1243007A1 (fr
Inventor
Rainer SCHÄNZEL
Ottokar Haug
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 Automotive Steering GmbH
Original Assignee
ZF Lenksysteme 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 ZF Lenksysteme GmbH filed Critical ZF Lenksysteme GmbH
Publication of EP1243007A1 publication Critical patent/EP1243007A1/fr
Application granted granted Critical
Publication of EP1243007B1 publication Critical patent/EP1243007B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • 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

  • the invention relates to an actuating device, in particular with actuation by an electromagnet, according to the preamble of claim 1.
  • an actuating device for an electrically actuated valve is known, with which, despite the use of components with conventional tolerances, the basic air gap can obtain a precisely predeterminable size.
  • a return plate is held as an adjustable part by a return spring to a housing.
  • the actuating device contains a magnetic core as a fixed part.
  • the return spring is held on a pin and the adjustable part is connected to the pin.
  • the pen has a fret. Between the collar and a voltage applied to the adjustable part spring, the return spring is clamped.
  • the basic air gap can be varied by more or less deep pressing a suitable connection, for example, the pin in the adjustable part.
  • the component tolerances can be compensated in a simple manner.
  • valve characteristic is finally determined.
  • the invention has for its object to design an actuator such that an adjustment of the valve characteristic of a steering valve after installation of the power steering system is possible.
  • the essence of the invention consists in the fact that can be adjusted by the adjustable collar of the basic air gap even after assembly of the actuator, for example, in an electro-hydraulic converter of a steering valve.
  • the valve characteristic can be adjusted and a narrower tolerance band can be achieved at the steering valve.
  • the valve characteristic can be placed in a specific, desired tolerance range.
  • the adjustable collar can be easily formed by a nut which is adjustable via a thread arranged on the pin.
  • an opening is provided in the end cap, which can be closed by a lid. Through the opening the mother of the covenant is easily accessible.
  • the single FIGURE shows a cross section through the actuator according to the invention for an electrically actuated valve.
  • a magnetic coil 2 is accommodated, which encloses a magnetic core 3.
  • An intermediate cover 4 holds the magnetic coil 2 in the housing 1.
  • the intermediate cover 4 holds a sealing ring 5 for sealing the magnetic coil 2 with respect to other spaces of the valve.
  • the housing 1 is closed by a cover 6.
  • An actuatable by the magnetic field of the solenoid coil 2 return plate 7 is located on one side of the solenoid 2 and is connected to a pin 8.
  • the pin 8 is made of non-magnetizable material and has an extension in the form of an actuating pin 9.
  • the actuating pin 9 extends through an opening 10 located in the magnetic core 3 on the other side of the magnetic coil 2.
  • the return plate 7 adjacent end the pin 8 a collar 11.
  • At the opposite end of the actuating pin 9 carries a valve cone 12 which forms a throttle point 14 together with a valve seat 13.
  • the throttle point 14 is arranged between an inlet connection 15 and a return connection 16.
  • the return plate 7 represents the adjustable part of the actuator, while the magnetic core 3 forms the fixed part.
  • a return spring 17 is fixed in the form of a disc spring on its outer circumference in the axial direction in the housing 1. At its radially inner clamping point, the return spring 17 is held by a arranged between the yoke plate 7 and the return spring 17 spring 18 in the form of a plate spring in contact with the collar 11.
  • the collar 11 is adjustable. This is achieved in an advantageous manner in that the collar 11 is formed by a nut which is adjustable via a arranged on the pin 8 thread 20.
  • the basic air gap can be adjusted, and thus, in the end, the valve characteristic in a power steering system can be set within a desired tolerance range.
  • the nut can also be replaced by another, equivalent fixable adjusting element, for example a pressed-on ring.
  • an opening 21 is provided in the end cap 6, which can be closed by a cover 22, for example a screw cap. Through the opening 21, the mother of the Federal 11 is easily accessible.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Magnetically Actuated Valves (AREA)
  • Braking Arrangements (AREA)
  • Electromagnets (AREA)

Claims (6)

  1. Dispositif d'actionnement, notamment avec actionnement par un électroaimant, ayant les caractéristiques suivantes :
    - le dispositif d'actionnement comprend une partie déplaçable, maintenue par un ressort de rappel (17) contre un boîtier (1) (partie de reflux 7) ;
    - le dispositif d'actionnement comprend une partie fixe (noyau magnétique 3) ;
    - le ressort de rappel (17) est maintenu sur une tige (8) et la partie déplaçable (partie de reflux 7) est connectée à la tige (8) ;
    - la tige (8) présente un épaulement (11) ;
    - le ressort de rappel (17) est serré entre l'épaulement (11) et un ressort (18) s'appliquant contre la partie déplaçable ;
    - dans l'état non actionné, il existe entre la partie déplaçable et la partie fixe un entrefer de base défini précisément (19),

    caractérisé en ce que l'épaulement (11) peut être déplacé sur la tige (8).
  2. Dispositif d'actionnement selon la revendication 1, caractérisé en ce que l'épaulement déplaçable (11) est formé par un élément d'ajustement susceptible d'être fixé.
  3. Dispositif d'actionnement selon l'une quelconque des revendications 1 ou 2, caractérisé en ce que l'épaulement déplaçable (11) est formé par un écrou qui peut être ajusté par le biais d'un filetage prévu sur la tige (8).
  4. Dispositif d'actionnement selon l'une quelconque des revendications 1 ou 2, caractérisé en ce que l'épaulement déplaçable (11) est formé par une bague fixée par pression.
  5. Dispositif d'actionnement selon l'une quelconque des revendications 1 à 4, caractérisé en ce que le ressort de rappel (17) est un ressort à disque.
  6. Dispositif d'actionnement selon l'une quelconque des revendications 1 à 5, caractérisé en ce que l'on prévoit dans le couvercle de fermeture (6) une ouverture (21) qui peut être fermée par un couvercle (22).
EP00971418A 1999-12-22 2000-11-03 Dispositif d'actionnement Expired - Lifetime EP1243007B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19961978 1999-12-22
DE19961978A DE19961978A1 (de) 1999-12-22 1999-12-22 Betätigungseinrichtung
PCT/EP2000/010868 WO2001046970A1 (fr) 1999-12-22 2000-11-03 Dispositif d'actionnement

Publications (2)

Publication Number Publication Date
EP1243007A1 EP1243007A1 (fr) 2002-09-25
EP1243007B1 true EP1243007B1 (fr) 2006-02-22

Family

ID=7933785

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00971418A Expired - Lifetime EP1243007B1 (fr) 1999-12-22 2000-11-03 Dispositif d'actionnement

Country Status (9)

Country Link
US (1) US6683519B1 (fr)
EP (1) EP1243007B1 (fr)
JP (1) JP2003529208A (fr)
KR (1) KR100658108B1 (fr)
CN (1) CN1379906A (fr)
BR (1) BR0016522A (fr)
DE (2) DE19961978A1 (fr)
ES (1) ES2259292T3 (fr)
WO (1) WO2001046970A1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003014607A1 (fr) * 2001-08-06 2003-02-20 Continental Teves Ag & Co. Ohg Vanne electromagnetique
JP2004360796A (ja) * 2003-06-05 2004-12-24 Ckd Corp 電磁弁用ソレノイド及び電磁弁
DE102007018966A1 (de) * 2006-09-22 2008-04-03 Continental Teves Ag & Co. Ohg Elektromagnetventil
DE102008030453A1 (de) * 2008-06-26 2010-01-14 Hydac Electronic Gmbh Betätigungsvorrichtung
DE102008030451A1 (de) * 2008-06-26 2009-12-31 Hydac Electronic Gmbh Betätigungsvorrichtung
DE202010010279U1 (de) 2010-07-15 2010-11-18 Bürkert Werke GmbH Magnetventil
CN102306986B (zh) * 2011-09-20 2013-04-17 无锡锡山安达防爆电气设备有限公司 电机绕线机快速装卸装置
WO2013134473A1 (fr) * 2012-03-07 2013-09-12 Waters Technologies Corporation Système et procédé de réduction à un minimum de variation de force dans un solénoïde à l'intérieur d'un système d'écoulement sous pression

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1389056A (en) * 1916-10-06 1921-08-30 Edwin B Lane Electromagnet and valve
CH169840A (de) * 1933-09-12 1934-06-15 Stahel Walter Einstellbarer Auslösemagnet.
DE1465886B1 (de) * 1964-01-29 1971-02-04 Licentia Gmbh Anker eines elektromagnetischen Schaltgerätes mit einem justierbar befestigten Kontaktbrückenträger
DE1911603A1 (de) * 1969-03-07 1970-09-24 Weichert Erich Feder-Speicher-Bremse fuer seilgezogene Schienenfahrzeuge und Standseilbahnen in Verbindung mit Scheiben-,Rad- bzw. Zangenbremsen
DE3233269A1 (de) 1982-09-08 1984-03-08 Robert Bosch Gmbh, 7000 Stuttgart Verfahren und vorrichtung zur kennlinienjustierung von elektro-stellmagneten
US4594980A (en) * 1982-09-20 1986-06-17 Tom Mcguane Industries, Inc. Throttle positioning device
JPH0722046B2 (ja) * 1985-08-03 1995-03-08 ツア−ンラトフアブリク フリ−トリツヒシヤフエン アクチエンゲゼルシヤフト 電磁バルブの作動装置
US4635683A (en) 1985-10-03 1987-01-13 Ford Motor Company Variable force solenoid
DE3814765A1 (de) 1988-04-30 1989-11-09 Messerschmitt Boelkow Blohm Magnetventil
DE19821806C2 (de) * 1998-05-15 2000-08-17 Daimler Chrysler Ag Elektromagnetischer Aktuator zur Betätigung eines Gaswechselventils in einer Brennkraftmaschine

Also Published As

Publication number Publication date
DE19961978A1 (de) 2001-07-05
DE50012266D1 (de) 2006-04-27
ES2259292T3 (es) 2006-10-01
US6683519B1 (en) 2004-01-27
KR100658108B1 (ko) 2006-12-14
KR20020091050A (ko) 2002-12-05
EP1243007A1 (fr) 2002-09-25
CN1379906A (zh) 2002-11-13
JP2003529208A (ja) 2003-09-30
BR0016522A (pt) 2002-09-24
WO2001046970A1 (fr) 2001-06-28

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