EP2593945A2 - Dispositif de positionnement électromagnétique - Google Patents

Dispositif de positionnement électromagnétique

Info

Publication number
EP2593945A2
EP2593945A2 EP11735400.1A EP11735400A EP2593945A2 EP 2593945 A2 EP2593945 A2 EP 2593945A2 EP 11735400 A EP11735400 A EP 11735400A EP 2593945 A2 EP2593945 A2 EP 2593945A2
Authority
EP
European Patent Office
Prior art keywords
unit
magnetic field
coil
magnetic
armature
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
EP11735400.1A
Other languages
German (de)
English (en)
Other versions
EP2593945B1 (fr
Inventor
Thomas Schiepp
Stefan SCHÖLLER
Jörg BÜRSSNER
Peter Vincon
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.)
ETO Magnetic GmbH
Original Assignee
ETO Magnetic 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 ETO Magnetic GmbH filed Critical ETO Magnetic GmbH
Publication of EP2593945A2 publication Critical patent/EP2593945A2/fr
Application granted granted Critical
Publication of EP2593945B1 publication Critical patent/EP2593945B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
    • H01F7/121—Guiding or setting position of armatures, e.g. retaining armatures in their end position
    • 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
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/02—Valve drive
    • F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
    • F01L1/047—Camshafts
    • 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
    • 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
    • H01F7/16—Rectilinearly-movable armatures
    • H01F7/1638—Armatures not entering the winding
    • H01F7/1646—Armatures or stationary parts of magnetic circuit having permanent magnet
    • 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
    • H01F7/18—Circuit arrangements for obtaining desired operating characteristics, e.g. for slow operation, for sequential energisation of windings, for high-speed energisation of windings
    • H01F7/1844—Monitoring or fail-safe circuits
    • 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
    • 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
    • F01L2820/00—Details on specific features characterising valve gear arrangements
    • F01L2820/03—Auxiliary actuators
    • F01L2820/031—Electromagnets

Definitions

  • the fourth embodiment of Fig. 6 shows a conceptual connection of the embodiments two (Fig. 4) and three (Fig. 5): here, the flux guiding elements are realized by a pair of corner-side bars 38 of square cross-section and one between the pair of coils 10a , 10b provided Leitblleich 34 (analogous to FIG. 4).
  • the fifth exemplary embodiment according to FIG. 7 provides that both coils 10a, 10b are largely surrounded on the shell side by cylinder-segment-like shell elements 40, 42, which in turn are joined to the plate 36 at the ends, opposite the sensor unit 22, in a flux-conducting manner.
  • the shells 40, 42 made of soft iron provide a predetermined flow path and reach a principle analogous to the principle of FIG. 1 a, 1 b effect.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve Device For Special Equipments (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)

Abstract

L'invention concerne un dispositif de positionnement électromagnétique, en particulier un dispositif de déphasage d'arbre à cames, comprenant un ensemble induit (14) pouvant être entraîné dans la direction axiale ou parallèlement à celle-ci en réaction à l'excitation d'un ensemble bobine fixe (10) orienté axialement, conçu pour coopérer avec un ensemble coulisseau et/ou poussoir (16) s'étendant dans la direction axiale, en particulier un ensemble poussoir provoquant le déphasage de l'arbre à cames d'un moteur à combustion. Des moyens d'aimantation permanente (14) sont prévus sur et/ou dans l'ensemble induit et/ou l'ensemble coulisseau ou poussoir, et l'ensemble bobine et l'ensemble induit sont au moins partiellement entourés par dans un ensemble boîtier ou support. Selon l'invention, des moyens de détection de champ magnétique (22) fixes conçus pour coopérer sans contact, par effet magnétique, avec les moyens d'aimantation permanente, sont associés à l'ensemble support et agencés de manière qu'à l'état excité comme à l'état non excité de la bobine, la position axiale de l'ensemble induit et/ou du l'ensemble coulisseau ou poussoir peut être déterminée électroniquement par l'analyse d'un signal de détection de champ magnétique, et des moyens de guidage de flux magnétique (30, 32; 34; 36; 38; 40, 42) sont associés à l'ensemble bobine de manière à dévier un champ magnétique généré par la bobine pour l'éloigner des moyens de détection magnétiques et/ou l'affaiblir au niveau de ces derniers.
EP11735400.1A 2010-07-16 2011-06-29 Dispositif de positionnement électromagnétique Active EP2593945B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202010010371U DE202010010371U1 (de) 2010-07-16 2010-07-16 Elektromagnetische Stellvorrichtung
PCT/EP2011/060901 WO2012007279A2 (fr) 2010-07-16 2011-06-29 Dispositif de positionnement électromagnétique

Publications (2)

Publication Number Publication Date
EP2593945A2 true EP2593945A2 (fr) 2013-05-22
EP2593945B1 EP2593945B1 (fr) 2014-01-01

Family

ID=44545662

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11735400.1A Active EP2593945B1 (fr) 2010-07-16 2011-06-29 Dispositif de positionnement électromagnétique

Country Status (5)

Country Link
US (1) US9318247B2 (fr)
EP (1) EP2593945B1 (fr)
CN (1) CN103109331B (fr)
DE (1) DE202010010371U1 (fr)
WO (1) WO2012007279A2 (fr)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202011004021U1 (de) * 2011-03-16 2012-07-09 Eto Magnetic Gmbh Elektromagnetische Aktuatorvorrichtung
DE102012103796A1 (de) * 2012-04-30 2013-10-31 Eto Magnetic Gmbh Elektromagnetische Stellvorrichtung
DE102012108583B4 (de) * 2012-09-13 2016-08-04 Kendrion (Villingen) Gmbh Elektromagnet
JP6248871B2 (ja) 2014-09-05 2017-12-20 株式会社デンソー 電磁アクチュエータ
DE102014113500A1 (de) * 2014-09-18 2016-03-24 Eto Magnetic Gmbh Bistabile elektromagnetische Aktorvorrichtung
CN107135665B (zh) * 2014-09-24 2020-02-18 泰克宣技术有限公司 产生用于音频振动的阻尼电磁致动平面运动的系统和方法
US9583249B2 (en) 2014-10-31 2017-02-28 Husco Automotive Holdings Llc Methods and systems for push pin actuator
GB201421022D0 (en) * 2014-11-26 2015-01-07 Mcnestry Martin Electrically operated fluid flow valve arrangement for low energy watering devices
CN109416968B (zh) * 2016-07-12 2020-10-02 三菱电机株式会社 电磁致动器
DE102016116981A1 (de) * 2016-09-09 2018-03-15 Kendrion (Villingen) Gmbh Elektromagnetische Verstellvorrichtung, insbesondere zur Nockenwellenverstellung
DE102017202592A1 (de) * 2017-02-17 2018-08-23 Robert Bosch Gmbh Steuerelektronik mit einem Magnetflussführungselement
DE102018102382A1 (de) 2018-02-02 2019-08-08 Eto Magnetic Gmbh Beheizbares elektromagnetisches Stellsystem sowie Verfahren
DE102019106365A1 (de) 2019-03-13 2020-09-17 Eto Magnetic Gmbh Elektromagnetische Stellanordnung
EP3982379A1 (fr) * 2020-10-08 2022-04-13 The Swatch Group Research and Development Ltd Micro-actionneur a solenoïde a retraction magnetique
DE102021123868A1 (de) * 2021-09-15 2023-03-16 Te Connectivity Germany Gmbh Elektrisches Schaltelement mit Statusindikator und Bausatz für ein solches

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US4690371A (en) * 1985-10-22 1987-09-01 Innovus Electromagnetic valve with permanent magnet armature
JP4073584B2 (ja) * 1998-11-04 2008-04-09 株式会社ミクニ 弁駆動装置
DE19935428C1 (de) * 1999-07-28 2000-07-06 Daimler Chrysler Ag Aktor zur elektromagnetischen Ventilsteuerung
DE20114466U1 (de) 2001-09-01 2002-01-03 Eto Magnetic Kg Elektromagnetische Stellvorrichtung
FR2886485B1 (fr) 2005-05-24 2009-05-08 Nortia Consult Sarl Dispositif d'entrainement lineaire electromagnetique
DE102006035225A1 (de) 2005-07-26 2007-02-01 Eto Magnetic Kg Elektromagnetische Stellvorrichtung
US7628378B2 (en) 2007-05-22 2009-12-08 Fema Corporation Of Michigan Proportional solenoid with armature motion sensing
DE102007028600B4 (de) * 2007-06-19 2011-06-22 ETO MAGNETIC GmbH, 78333 Elektromagnetische Stellvorrichtung
DE202009010495U1 (de) * 2008-08-01 2009-12-17 Eto Magnetic Gmbh Elektromagnetische Stellvorrichtung
DE202008015980U1 (de) * 2008-12-03 2010-04-29 Eto Magnetic Gmbh Elektromagnetische Aktuatorvorrichtung
GB0822760D0 (en) * 2008-12-13 2009-01-21 Camcon Ltd Bistable electromagnetic actuator
DE202009015466U1 (de) * 2009-02-27 2010-03-18 Schaeffler Kg Elektromagnetische Stellvorrichtung
DE202009006940U1 (de) 2009-04-16 2010-09-02 Eto Magnetic Gmbh Elektromagnetische Nockenwellen-Verstellvorrichtung
DE102009030375A1 (de) 2009-06-25 2010-12-30 Schaeffler Technologies Gmbh & Co. Kg Elektromagnetische Stellvorrichtung

Non-Patent Citations (1)

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See references of WO2012007279A2 *

Also Published As

Publication number Publication date
CN103109331B (zh) 2017-07-28
US9318247B2 (en) 2016-04-19
WO2012007279A2 (fr) 2012-01-19
EP2593945B1 (fr) 2014-01-01
US20130113582A1 (en) 2013-05-09
CN103109331A (zh) 2013-05-15
WO2012007279A3 (fr) 2012-03-08
DE202010010371U1 (de) 2011-10-17

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