EP2176525A1 - Dispositif d'actionnement - Google Patents

Dispositif d'actionnement

Info

Publication number
EP2176525A1
EP2176525A1 EP08784975A EP08784975A EP2176525A1 EP 2176525 A1 EP2176525 A1 EP 2176525A1 EP 08784975 A EP08784975 A EP 08784975A EP 08784975 A EP08784975 A EP 08784975A EP 2176525 A1 EP2176525 A1 EP 2176525A1
Authority
EP
European Patent Office
Prior art keywords
actuating
unit
elements
actuating device
operations
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
EP08784975A
Other languages
German (de)
English (en)
Other versions
EP2176525B1 (fr
Inventor
Markus Lengfeld
Jens Meintschel
Thomas Stolk
Martin Stroer
Alexander Von Gaisberg-Helfenberg
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.)
Mercedes Benz Group AG
Original Assignee
Daimler 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 Daimler AG filed Critical Daimler AG
Publication of EP2176525A1 publication Critical patent/EP2176525A1/fr
Application granted granted Critical
Publication of EP2176525B1 publication Critical patent/EP2176525B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
    • F01L13/06—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for braking
    • 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
    • F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
    • F01L13/0015—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque
    • F01L13/0036—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque the valves being driven by two or more cams with different shape, size or timing or a single cam profiled in axial and radial direction
    • F01L2013/0052—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque the valves being driven by two or more cams with different shape, size or timing or a single cam profiled in axial and radial direction with cams provided on an axially slidable sleeve
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/16—Magnetic circuit arrangements

Definitions

  • the invention relates to an actuating device according to the preamble of claim 1.
  • an actuating device in which an energizing operation of a coil, an actuating operation of an actuating element is carried out.
  • the invention has for its object to perform with the help of an operating unit with the saving of space, components and costs in a reliable operation operations of multiple actuators.
  • the object is achieved in each case by the features of the independent claims, wherein further embodiments of the invention can be taken from the subclaims.
  • the invention is based on an actuating device with at least one electric and / or electromagnetic actuating unit.
  • Actuating unit is to be understood as meaning in particular a unit which carries out at least one actuation operation on the basis of at least one electrical and / or electromagnetic process
  • An actuation process should in particular be understood to mean a process in which one unit and / or one element relative to another Unit and / or another element is moved.
  • An "actuating element” is to be understood as meaning in particular an element which is involved in an actuation process. ⁇ br/> ⁇ br/> ⁇ br/> Under an electrical and / or electromagnetic "state” in particular values of a current density vector component and / or an electromagnetic field strength sensor and / or a charge density within the actuating device and in particular at the remaining spatial points in conjunction with the space coordinates belonging to the values.
  • the actuating element is "associated" with the actuating operation, whereby “two actuating operations are assigned to two actuating elements” is to be understood as meaning in each case one actuating operation in each case one actuating element assigned.
  • different electrical and / or electromagnetic states are meant in particular states which differ in that at least one component of the current density vector and / or the electromagnetic field strength sensor and / or the charge density have different signs at a spatial point the actuator are made compact.
  • the actuation processes are associated with different current flow directions that represent different electrical states in the above-mentioned sense.
  • a "current flow direction” is to be understood as meaning, in particular, a direction of a current flow, which can be used to save an electrical and / or electromagnetic component, which may be, in particular, a coil and / or a coil unit.
  • the actuating unit has at least one coil unit which is provided for energizing with different current flow directions.
  • provided is intended to be understood in particular to be specially equipped and / or designed With a corresponding inventive design, a simple construction of the actuating unit can be achieved.
  • the actuating unit has at least one acceleration unit, which is provided to accelerate at least one of the actuating elements.
  • An "acceleration of an actuating element” should in particular be understood to mean an acceleration of the actuating element relative to at least one part of the acceleration unit and / or relative to at least one part of the actuating unit, which may be a coil in particular become.
  • the acceleration unit is at least partially identical to a coil unit of the actuating unit.
  • at least one of the actuating elements has an active magnetic element.
  • An "active magnetic element” is to be understood in particular as meaning both an electromagnetic element and a permanent magnet, so that actuation processes of different actuation elements can be initiated in a simple manner.
  • actuation processes are assigned identical actuation directions, wherein the actuation processes associated with identical actuation directions are assigned to two different actuation elements.
  • An "actuating direction" is to be understood in particular as meaning a direction in which an actuating element is moved relative to parts of the actuating unit and / or the coil unit during an actuating operation and is moved in a particularly advantageous manner by the coil unit be executed.
  • the actuating unit comprises at least one magnetic, electrical and / or electromagnetic stabilizing element, which is intended to effect a retention of at least one of the actuating elements in at least one stable position.
  • an actuating operation can be extended in time.
  • the actuating unit has an active magnetic element which is at least partially identical to the stabilizing element.
  • the actuating unit has a securing unit which is provided to allow one of the actuating operations at an operating time exclusively one of the actuating elements. This can be prevented in particular a possible simultaneous operation operations destroying at least one actuating element and / or actuated by an actuator component.
  • the actuating unit has at least one coil unit and at least one active magnetic element, which together at least partially form the securing unit. This can be achieved with a guarantee of safe operation, a simple construction.
  • the actuating unit has at least one mechanical, pneumatic and / or hydraulic energy storage element which is provided to accelerate at least one actuating element during an actuating operation.
  • the actuating unit has at least one mechanical, pneumatic and / or hydraulic energy storage element which is provided to accelerate at least one actuating element during an actuating operation.
  • the actuating device according to the invention is suitable for various fields of use that appear appropriate to the person skilled in the art, but the actuating device is particularly advantageous
  • Fig. 3 is a section through the actuator
  • Fig. 4 is a section through the actuator.
  • FIG. 1 shows a section through an actuating device with an electrical and electromagnetic actuating unit 10.
  • the actuating unit 10 has two actuating elements 12, 14.
  • the actuating elements 12, 14 each have a main extension direction, wherein the two main directions of extension are identical to one another.
  • the actuating elements 12, 14 each have at one end an active magnetic element 20, 21, which is designed as a permanent magnet.
  • the two ends of the active elements 20, 21 face each other.
  • An extension of a south pole 36 to a north pole 38 of the active element 20 points in the same direction as an extension of a north pole 42 to a south pole 40 of the active element 21, for which reason the two active elements 20, 21 are oppositely poled.
  • the active elements 20, 21 each have the shape of a straight hollow cylinder.
  • Base and top surfaces of the hollow cylinder are perpendicular to the main directions of extension.
  • the bases of the hollow elements designed as active elements 20, 21 are located in a common plane. This plane intersects a coil unit 16 which has a coil 17 (FIG. 3).
  • the coil unit 16 is further cut from a mid-perpendicular to two centers of mass of the active elements 20, 21, which is parallel to the bases.
  • the coil unit 16 is arranged next to the active elements 20, 21 such that by means of a through the coil 17th generated magnetic field forces on the active elements 20, 21 are exercisable.
  • the actuating elements 12, 14 have identical actuating directions 22, 24, which extend parallel to their main extension direction and from the active elements 20, 21 in each case to an opposite end of the active elements 20, 21.
  • the actuating unit 10 thus comprises an acceleration unit 18, which is partially identical to the coil unit 16. If the coil 17 (FIG. 3) is energized in a current flow direction opposite to the current flow direction, the other actuating elements 12, 14 are accelerated relative to the coil unit 16 due to the opposite polarity of the active elements 20, 21.
  • Movement of one of the actuators 12, 14 relative to the coil unit 16 in the actuation directions 22, 24 is an actuation associated with the moving actuator 12, 14. Since the actuators 12, 14 are accelerated by means of different current flow directions, the actuation processes are associated with different current flow directions.
  • a current flow direction represents an electric and electromagnetic state of the operating unit 10. Accordingly, two operating operations performed by the different operating elements 12, 14 of the operating unit 10 are associated with at least two of the different electrical and electromagnetic states of the operating unit 10.
  • One of the actuating operations carried out by one of the actuators 12, 14 is associated with this actuator 12, 14.
  • the two Actuators 12, 14 carry out their associated actuation operations in the same direction of actuation 22, 24. Accordingly, at least two of the actuation operations are associated with the identical actuation directions 22, 24, wherein the identical actuation directions 22, 24 associated with actuation operations two different of the actuators 12, 14 are assigned.
  • the actuating unit 10 comprises two magnetic, electrical and electromagnetic stabilizing elements 26, 27.
  • the stabilizing elements 26 and 27 are intended to effect the retention of the actuating elements 12 and 14 in at least one stable position 28 and 29, respectively.
  • the stabilizing elements 26 and 27 are identical to the active elements 20, 21.
  • a movement of the actuating elements 12, 14 relative to the coil unit 16 is limited in the operating direction 22 by surfaces of a wrapping unit 46.
  • the wrapping unit 46 encloses the actuators 12, 14. Since the surfaces are at least partially formed of a material that can exert a force on a permanent magnet, the active elements 20, 21 are attracted to the surfaces and an underlying material and so in one stable position 34 ( Figure 4) held.
  • a movement of one of the actuating elements 12, 14 in the opposite direction of the actuating direction 22 is limited by a holding unit 44, which is connected to the coil unit 16. Since the holding unit 44 is at least partially formed of a material which can exert a force on a permanent magnet, the stabilizing element 26, 27 causes by means of a force exerted on it by the holding unit 44 a retention of the actuating element 12, 14 in the maximum in the Counter direction of the actuating direction 22 deflected stable position 28, 29th
  • the actuating unit 10 After an actuating operation of one of the actuating elements 12, 14, the relevant actuating element 12, 14 is moved back into the stable position 28 or 29 again. Thereafter, energization of the coil (FIG. 3) takes place with a current flow direction which is opposite to the current flow direction which was used to accelerate the actuating element 12, 14.
  • the actuating unit 10 therefore has a securing unit 30 in the form of the coil 17 (FIG. 3) and the active elements 20, 21, which is provided to permit one of the actuating operations at a time of operation of only one of the actuating elements 12, 14.
  • the actuating unit 10 has two designed as helical springs mechanical
  • Energy storage elements 32, 33 which are intended to accelerate the actuating elements 12, 14 relative to the coil unit in the actuation operations.
  • the coil springs are disposed between the actuators 12, 14 and the support unit 44 and, when the actuators 12, 14 are in the stable positions 28, 29, are in a compressed state.
  • one of the energy storage elements 32, 33 decompresses and accelerates one of the actuation elements 12, 14.
  • FIG. 2 shows a top view of an actuating device in the operating direction 22.
  • the holding unit 44 partially covers the coil unit 16, the wrapping unit 46 and the actuating elements 12, 14.
  • Two closed half-planes 48, 50 are shown in the FIGURE projected.
  • the half-planes 48, 50 intersect in a straight line bounding the two half-planes 48, 50 in planes in which the half-planes 48, 50 extend.
  • the straight line cuts the coil unit in the middle.
  • the half-plane 48 intersects the actuating element 14 in the center, the other half-plane 50 intersects the actuating element 12 in the center.
  • FIG. 3 shows the actuating device in a section along the half-planes 48, 50 (FIG. 2), so that the coil unit 16 and the actuating elements 12, 14 are visible.
  • the coil unit 16 has the coil 17.
  • the actuators 12, 14 are in the stable positions 28, 29.
  • the coil 17 may carry current at one location in a direction orthogonal to the direction of actuation 22 (FIG. 1) and thus initiate an actuation operation of one of the actuators 12, 14.
  • the coil 17 may also conduct in the opposite direction to the orthogonal direction current, thereby triggering an actuation operation of the other actuator 12, 14.
  • FIG. 4 shows the actuating device in a section as shown in FIG.
  • the actuating element 12 is completely deflected in the actuating direction 22. It is therefore arranged in the stable position 34.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
  • Electromagnets (AREA)
  • Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
  • Valve Device For Special Equipments (AREA)

Abstract

L'invention concerne un dispositif d'actionnement avec au moins une unité d'actionnement (10) électrique et/ou électromagnétique. L'invention propose qu'au moins deux activités d'actionnement réalisées par deux éléments d'actionnement (12, 14) différents de l'unité d'actionnement (10) soient associées à au moins deux états électriques et/ou électromagnétiques de l'unité d'actionnement (10).
EP08784975A 2007-08-08 2008-07-23 Dispositif d'actionnement Active EP2176525B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007037333A DE102007037333A1 (de) 2007-08-08 2007-08-08 Betätigungsvorrichtung
PCT/EP2008/006016 WO2009018919A1 (fr) 2007-08-08 2008-07-23 Dispositif d'actionnement

Publications (2)

Publication Number Publication Date
EP2176525A1 true EP2176525A1 (fr) 2010-04-21
EP2176525B1 EP2176525B1 (fr) 2012-09-12

Family

ID=39968015

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08784975A Active EP2176525B1 (fr) 2007-08-08 2008-07-23 Dispositif d'actionnement

Country Status (6)

Country Link
US (1) US8235011B2 (fr)
EP (1) EP2176525B1 (fr)
JP (1) JP5216089B2 (fr)
CN (1) CN101772624B (fr)
DE (1) DE102007037333A1 (fr)
WO (1) WO2009018919A1 (fr)

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DE202008015980U1 (de) * 2008-12-03 2010-04-29 Eto Magnetic Gmbh Elektromagnetische Aktuatorvorrichtung
DE102009010949A1 (de) * 2009-02-27 2010-09-02 Schaeffler Technologies Gmbh & Co. Kg Elektromagnetische Stellvorrichtung
DE102009056609A1 (de) 2009-12-02 2011-06-09 Schaeffler Technologies Gmbh & Co. Kg Elektromagnetische Stellvorrichtung
JP5852918B2 (ja) * 2012-02-09 2016-02-03 株式会社日本自動車部品総合研究所 ソレノイド装置及び電磁継電器
DE102013206311A1 (de) * 2012-05-14 2013-11-14 Denso Corporation Elektromagnetischer Aktor
JP6035965B2 (ja) * 2012-08-02 2016-11-30 株式会社デンソー 電磁アクチュエータ
DE102013102241A1 (de) * 2013-03-06 2014-09-11 Kendrion (Villingen) Gmbh Elektromagnetische Stellvorrichtung, insbesondere zur Nockenwellenverstellung einer Brennkraftmaschine
US9574677B2 (en) 2013-05-31 2017-02-21 Dayco Ip Holdings, Llc Solenoid-powered gate valve
KR102085397B1 (ko) 2013-05-31 2020-04-14 데이코 아이피 홀딩스 엘엘시 액츄에이터에 의해 이동가능한 스프링 장착 게이트 밸브
JP6571083B2 (ja) 2013-08-30 2019-09-04 デイコ アイピー ホールディングス, エルエルシーDayco Ip Holdings, Llc ソレノイドアクチュエータによって移動可能なバネ装填式ゲートバルブ
US10221867B2 (en) 2013-12-10 2019-03-05 Dayco Ip Holdings, Llc Flow control for aspirators producing vacuum using the venturi effect
EP3094900B1 (fr) 2013-12-11 2020-09-16 Dayco IP Holdings, LLC Vanne d'arrêt à commande magnétique
US9583249B2 (en) * 2014-10-31 2017-02-28 Husco Automotive Holdings Llc Methods and systems for push pin actuator
US9599246B2 (en) 2015-08-05 2017-03-21 Dayco Ip Holdings, Llc Magnetically actuated shut-off valve

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Also Published As

Publication number Publication date
DE102007037333A1 (de) 2009-02-26
US20100180850A1 (en) 2010-07-22
JP5216089B2 (ja) 2013-06-19
EP2176525B1 (fr) 2012-09-12
JP2010535962A (ja) 2010-11-25
CN101772624A (zh) 2010-07-07
CN101772624B (zh) 2012-07-11
WO2009018919A1 (fr) 2009-02-12
US8235011B2 (en) 2012-08-07

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