WO2014086345A1 - Système de came coulissante et actionneur de came coulissante avec une broche d'entraînement reliée à une unité à magnétisme permanent - Google Patents

Système de came coulissante et actionneur de came coulissante avec une broche d'entraînement reliée à une unité à magnétisme permanent Download PDF

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Publication number
WO2014086345A1
WO2014086345A1 PCT/DE2013/200167 DE2013200167W WO2014086345A1 WO 2014086345 A1 WO2014086345 A1 WO 2014086345A1 DE 2013200167 W DE2013200167 W DE 2013200167W WO 2014086345 A1 WO2014086345 A1 WO 2014086345A1
Authority
WO
WIPO (PCT)
Prior art keywords
permanent magnet
pin
sliding cam
magnet unit
cam actuator
Prior art date
Application number
PCT/DE2013/200167
Other languages
German (de)
English (en)
Inventor
Martin Steigerwald
Jens Hoppe
Stefan Konias
Original Assignee
Schaeffler Technologies AG & Co. KG
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 Schaeffler Technologies AG & Co. KG filed Critical Schaeffler Technologies AG & Co. KG
Publication of WO2014086345A1 publication Critical patent/WO2014086345A1/fr

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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
    • F01L13/0015—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
    • H01F7/127—Assembling
    • 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
    • H01F7/1607—Armatures entering the winding
    • H01F7/1615—Armatures or stationary parts of magnetic circuit having permanent magnet
    • 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
    • F01L2301/00—Using particular materials
    • 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 invention relates to a sliding cam actuator for a sliding cam system, comprising at least one spool body with a winding which can be flowed through by electric current for generating a magnetic force, with at least one adjacent to the bobbin magnetic core in which at least one guide pin is mounted linearly displaceable and with at least two Laufpins , which are provided for engagement in a respective groove of a sliding cam, and with a permanent magnet unit having at least one permanent magnet and at least one ferromagnetic disc.
  • two permanent magnet units and two guide pins are often used.
  • DE 10 2007 028 600 A1 discloses an electromagnetic actuating device with a plurality of electromagnetic actuator units that are selectively adjustable for exerting a setting force on a corresponding plurality of elongate, axially parallel plunger units.
  • the actuator units are provided parallel to one another along their direction of adjustment in a common housing and each form an engaging end facing the tappet units of an at least sectionally planar, axially movable in the direction of adjustment engagement surface.
  • An engagement-side end face cooperates with a respective one of the plunger units with the engagement surface. It sits at least one of the plurality of plunger units with their engagement-side end face eccentrically and / or with only a partial surface on the engagement surface of the associated actuator unit, in particular adheres to it magnetically.
  • the Laufpin which is often arranged eccentrically to the permanent magnet unit, so in other words, magnetically adheres to this permanent magnet unit.
  • the principle already known in this regard should be considered integrated here. There are usually no other connections between the permanent magnet unit and the barrel pin, so as not to adversely affect the functionality.
  • DE 10 2006 034 922 takes a completely different approach in the case of a single-pin actuator and discloses an electromagnetic positioning device and a method for the production thereof.
  • a coil device essentially consisting of a single core of a magnetic material, which is enclosed by a coil disclosed, and having a relative to the coil means movably arranged adjusting element with an end wear-trained engaging portion, wherein the actuating element via a Bestro- tion of the coil means can be acted upon by an actuating force.
  • permanent magnet means are arranged on the actuating element via which the actuating element is held magnetically in the currentless state of the coil device to the coil means.
  • DE 10 2006 034 922 A1 proposes that a safe and low-wear control operation is made possible, and yet structurally simple and cost-effective, if decoupling means are provided, via which the actuating element is magnetically decoupled from the permanent magnet means at least in the engagement region.
  • At least one of the running pins is material and / or positively connected to the permanent magnet unit or an integral part of the permanent magnet unit.
  • a Laufpin is understood in particular a pin-like actuator.
  • an actuator is used, in which an eccentrically to the permanent magnet unit and / or to the bobbin arranged Laufpin magnetically on the permanent magnet unit, comprising at least one permanent magnet between at least two ferromagnetic discs together with a guide pin adheres and no further positive and / or material connection exists.
  • the running pin has a portion which is widened disk-shaped and flat against the permanent magnet or the Laufpin at least partially flat on a preferably ferromagnetic Disk of the permanent magnet unit is applied, further preferably with an axial surface is applied there.
  • an integral solution can be achieved or, on the other hand, a complete positive locking solution or a partial positive locking solution can be realized.
  • An advantageous embodiment is also characterized in that a pin-like portion of the running pin is connected by at least one part of the permanent magnet unit, which protrudes through one or two ferromagnetic discs and / or the permanent magnet, and material and / or form-fitting to at least one of these components. A cost-effective connection option is then available.
  • the pin-like portion has at its end close to the bobbin a thickening, such as in the manner of caulking / Spaltverstemmung and / or flanging, which counteracts removal of the running pin of the permanent magnet unit.
  • the peg-like portion projects through a through-hole extending through at least one of the two ferromagnetic disks and / or the disk-like permanent magnet, and is preferably axially and / or radially-playfully, to allow rotation of the runner pin in the groove of the shift cam in the state used there, this has positive effects on the functionality.
  • the through hole in the radial direction can also be configured open on one side, for example in the manner of a groove or groove.
  • the assembly can be simplified if the guide pin and / or the spinning pin facing disc and / or the running pin is made in one piece.
  • a two or three of these components combining Monolithteil can be prefabricated inexpensively and then use interchangeable in the sliding cam actuator.
  • the installation of prefabricated modules in an embodiment of different sliding cam actuators for different applications, is advantageous. This is facilitated if a form-fittingly connected to the permanent magnet unit additional component, such as a cap, such as a sleeve, such as a sleeve or as a Kopplung Spritzbaueil, such as a plastic injection molded part, positively and / or non-positively and / or cohesively with at least one component the permanent magnet unit is connected.
  • the plastic injection-molded part surrounds the entire permanent magnet unit and / or forms the guide pin. Also, the entire concept can be made more compact.
  • the guide pin has a spacer section for bringing into contact with the sliding cam made of preferably wear-resistant material, such as hardened 100 Cr 6, for example, and a proximal section of the coil former preferably made of plastic, light metal or nonmagnetic Metal, such as non-magnetic steel has.
  • wear-resistant material such as hardened 100 Cr 6, for example
  • proximal section of the coil former preferably made of plastic, light metal or nonmagnetic Metal, such as non-magnetic steel has.
  • 1 shows a first embodiment according to the invention of a sliding cam actuator partially shown in longitudinal section with a "full positive connection" of the running pin to the permanent magnet unit
  • 2 is an enlargement of the connection region II of FIG. 1
  • FIG. 3 shows an alternative embodiment of the running pin in a representation comparable to FIG. 2,
  • FIG. 4 shows a further embodiment of a sliding cam actuator according to the invention with a "partial positive engagement connection" of the running pin to a component of the permanent magnet unit, namely to the ferromagnetic disk closest to the running pin,
  • connection region V of FIG. 4 is an enlarged view of the connection region V of FIG. 4,
  • FIG. 6 shows a further embodiment according to the invention of a sliding-type actuator with an "integral solution", in which the running pin is an integral one
  • Part of the permanent magnet unit is, in particular a part of the ferromagnetic disk
  • FIG. 7 shows a further embodiment according to the invention of a sliding-type actuator in a manner of representation comparable to that of FIGS. 1, 4 and 6, wherein a "spraying solution" is selected, that is to say the running pin is molded onto the permanent-magnet unit,
  • connection region VIII of FIG. 7 is an enlarged view of the connection region VIII of FIG. 7,
  • FIG. 9 shows a representation comparable to FIG. 1 of a further embodiment according to the invention, wherein an additional component, such as a cap, a sleeve, or a sleeve is inserted
  • FIG. 10 shows an enlarged view of the region X from FIG. 9 with a higher one
  • a first embodiment of a sliding cam actuator 1 is shown.
  • the sliding cam actuator 1 is for a sliding cam system used on an internal combustion engine such as an Ottooder diesel engine.
  • the sliding cam actuator 1 has a coil body 2, which has a winding, which can be flowed through with electric current. Then, a magnetic force is generated.
  • the magnetic core 3 is surrounded by the winding of a bobbin 2.
  • the winding itself can also be referred to as coil 4 and is part of the bobbin 2.
  • two bobbin 2, two coils 4 and two magnetic cores 3 are provided, wherein in each of the two magnetic cores 3, a guide pin 5 is present, which is axially displaceably mounted in each case in a hole formed as a guide hole 6.
  • Each permanent magnet unit 7 comprises a permanent magnet 8 and two ferromagnetic disks 9 surrounding it on both sides.
  • the permanent magnet unit 7 has a through hole 10, wherein a through pin 10 is inserted in the through hole 10, more precisely an actuator pin / displacement cam pin ,
  • the running pin 11 may be made of metal, preferably a steel alloy. It may be formed in one piece or composed of several individual sections, wherein the individual sections can be positively, materially and / or non-positively connected to each other.
  • the barrel pin 1 is provided for penetrating into a groove of a sliding cam, which is not shown. Like the guide pin 5, it is linear. slidably disposed and engages through a barrel pin housing 13 to the outside.
  • the barrel pin housing 13 together with an active part housing 14 forms the housing of the sliding cam actuator.
  • the running pin 11 is materially and / or positively connected to the permanent magnet unit 7 or even an integral part of this permanent magnet unit 7.
  • the running pin 11 is made of non-magnetic material and positively connected to the permanent magnet unit 7.
  • an eccentric bore which forms the through hole 10.
  • the pin-shaped portion 12 of the barrel pin 11 which is also referred to as a pin, is pushed through and crimped on the side near the bobbin and / or caulked.
  • the holes in the permanent magnet 8 and in the ferromagnetic discs 9 are made larger than the pin on the Laufpin 1 1. It is also conceivable, the balance between the guide pin 5 and the corresponding To provide guide bore and / or between the running pin 1 1 and the corresponding guide bore.
  • the caulking, possibly as Spaltverstemmung, or the crimping of the pin on the barrel pin 11 is preferably carried out so that the Laufpin 11 can still rotate to a roll in the groove (not shown) of the sliding cam, which can also be referred to as a sliding groove to ensure when moving the sliding cam piece.
  • the projecting Laufpin-end can be used as a stop between the magnetic core 3 and the Parmanentmagnetmaschine 8 in the base position of the Laufpins 11.
  • the caulking / flanging 15 is clearly visible.
  • Fig. 3 it should be noted that it is possible to improve the wear resistance of the running pins 11, this run pin 11 in two parts.
  • the upper part, which is connected to the permanent magnet unit 7, may be made of a non-magnetic material and the lower part, which is guided in the Laufpin housing 13 and immersed in the sliding groove, not shown, from a wear-resistant material, such as 100 Cr 6.
  • the connection of these two parts, that is, the upper part and the lower part can be cohesively, for example by welding, gluing or soldering and / or positive, for example by pressing the pin into the bore done.
  • FIGS. 4 and 5 show an implementation modified from the embodiment shown in FIGS. 1 and 2.
  • only the spinning pin 1 facing disc 9 has an eccentric bore.
  • the Laufpin 11 projects with a pin, so its peg-shaped portion 12 through this disc 9 and is crimped or caulked with this.
  • the caulking / crimping 15 of the running pins 11, between the runpin 1 nearest ferromagnetic disc 9 and the permanent magnet 8 can be well recognized.
  • the ferromagnetic disk 9 does not necessarily consist of ferromagnetic material, which also applies to the other embodiments.
  • FIG. 6 shows a further variant of the solution according to the invention.
  • an eccentrically arranged disc is formed on a permanent pin 8 facing the Laufpin end, which forms the lower disc of the permanent magnet unit 7.
  • Possible eccentricities between the guide pin 5 and the barrel pin 11 are compensated in this variant, preferably by means of play between the guide bore 6 (for the guide pin 5) and the guide pin 5.
  • a rolling of the barrel 11 on the flank of the sliding groove during the displacement of the sliding pin is not possible in this embodiment, so that the barrel pin 11 must slide over the edge.
  • a disk it is also conceivable for a disk to be connected in a material-locking manner, for example by means of welding, soldering or gluing, to the running pin 11.
  • the barrel pin 1 can be made in two parts of non-magnetic and wear-resistant material.
  • the running pin 11, the spinning pin facing disc and the guide pin 5 are made in one piece.
  • the permanent magnet 8, the ferromagnetic discs 9 and the barrel pin 1 are molded into a unit, wherein the guide pin 5 is formed simultaneously with the encapsulation.
  • an additional component 16 is used which is designed as a coupling injection component in the manner of a plastic injection-molded part.
  • the additional component may consist of thermoplastic or thermosetting plastic.
  • the guide pin 5 is not made of plastic, but is designed as a metal pin and with the remaining components, so the permanent magnet 8, the discs 9 and the barrel pin 11 is molded into a unit.
  • Possible eccentricities are also compensated in the embodiment preferably by means of play between the guide bore 6 (for the guide pin 5) and the outer diameter of the guide pin 5.
  • the additional component 16 is designed as a cap or sleeve.
  • the running pin 11 and the permanent magnet unit 7 are connected by means of the cap, which is pressed from the side remote from the running pin on the running pin 11 and / or crimped thereto.
  • the running pin 11 can be made in two parts.
  • Such a sliding cam actuator 1 can be used in sliding cam systems (CSS) with eccentrically arranged to permanent magnet unit 7 Laufpin 1 1.
  • the invention can also be used for and in centrically arranged (n) Laufpins. LIST OF REFERENCE NUMBERS

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Electromagnets (AREA)

Abstract

L'invention concerne un actionneur de came coulissante (1) qui est destiné à un système de came coulissante et qui est pourvu : d'au moins un corps de bobine (2) comprenant un enroulement qui peut être parcouru par un courant électrique pour générer une force magnétique ; d'au moins un noyau magnétique (3), situé au voisinage du corps de bobine (2), dans lequel au moins une broche de guidage (5) est logée de manière mobile linéairement ; et d'au moins deux broches d'entraînement (11) qui sont prévues pour s'engager chacune dans une rainure d'une came coulissante ; ainsi que d'une unité à magnétisme permanent (7) qui comporte au moins un aimant permanent (8) et au moins un disque ferromagnétique (9). Au moins une des broches d'entraînement (11) est reliée, par liaison de matière et/ou par complémentarité de forme, à l'unité à magnétisme permanent (7) ou est une partie intégrante de l'unité à magnétisme permanent (7).
PCT/DE2013/200167 2012-12-06 2013-09-10 Système de came coulissante et actionneur de came coulissante avec une broche d'entraînement reliée à une unité à magnétisme permanent WO2014086345A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012222370.3 2012-12-06
DE102012222370.3A DE102012222370A1 (de) 2012-12-06 2012-12-06 Schiebenockensystem und Schiebenockenaktor mit an einer Permanentmagneteinheit angebundenem Laufpin

Publications (1)

Publication Number Publication Date
WO2014086345A1 true WO2014086345A1 (fr) 2014-06-12

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PCT/DE2013/200167 WO2014086345A1 (fr) 2012-12-06 2013-09-10 Système de came coulissante et actionneur de came coulissante avec une broche d'entraînement reliée à une unité à magnétisme permanent

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DE (1) DE102012222370A1 (fr)
WO (1) WO2014086345A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015139692A1 (fr) * 2014-03-19 2015-09-24 Schaeffler Technologies AG & Co. KG Actionneur pour système de double came coulissante
WO2016037876A1 (fr) * 2014-09-11 2016-03-17 Hilite Germany Gmbh Dispositif de réglage électromagnétique
WO2017183132A1 (fr) * 2016-04-20 2017-10-26 三菱電機株式会社 Actionneur électromagnétique
CN107299845A (zh) * 2016-04-14 2017-10-27 株式会社电装 电磁致动器
WO2019057366A1 (fr) * 2017-09-21 2019-03-28 Kendrion (Villingen) Gmbh Dispositif de réglage, et véhicule à moteur équipé de ce dernier

Families Citing this family (5)

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JP2017005123A (ja) * 2015-06-11 2017-01-05 いすゞ自動車株式会社 電磁アクチュエータ
DE102015217886A1 (de) * 2015-09-17 2017-03-23 Thyssenkrupp Ag Verschiebeelement zum Verschieben eines Nockensegmentes
CN105546199B (zh) * 2016-02-29 2018-10-02 成都富临精工汽车零部件有限公司 一种可诊断阀销动作的电磁阀
US10301981B2 (en) 2017-03-31 2019-05-28 GM Global Technology Operations LLC Method for retracting a sliding camshaft actuator pin
AT522749A1 (de) * 2019-06-26 2021-01-15 STIWA Advanced Products GmbH Stößelbaugruppe

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US20040227604A1 (en) * 2003-05-15 2004-11-18 Mitteer David M. Solenoid with noise reduction
DE102006034922A1 (de) 2006-07-28 2008-01-31 Schaeffler Kg Elektromagnetische Stellvorrichtung und Verfahren zu deren Herstellung
DE102007028600A1 (de) 2007-06-19 2008-12-24 Eto Magnetic Gmbh Elektromagnetische Stellvorrichtung
DE102009006061A1 (de) * 2009-01-24 2010-07-29 Daimler Ag Betätigungsvorrichtung
DE102010045601A1 (de) * 2010-09-16 2012-03-22 Hydac Electronic Gmbh Elektromagnetische Stellvorrichtung

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DE202009001187U1 (de) * 2009-01-30 2010-06-24 Eto Magnetic Gmbh Elektromagnetische Stellvorrichtung
DE202011001412U1 (de) * 2011-01-12 2012-04-17 Eto Magnetic Gmbh Elektromagnetische Stellvorrichtung sowie Nockenwellenverstellvorrichtung
DE102011009327B4 (de) * 2011-01-18 2012-09-27 Hydac Electronic Gmbh Elektromagnetische Stellvorrichtung
EP2587495B1 (fr) * 2011-10-26 2014-12-10 Eto Magnetic GmbH Dispositif de réglage électromagnétique

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US20040227604A1 (en) * 2003-05-15 2004-11-18 Mitteer David M. Solenoid with noise reduction
DE102006034922A1 (de) 2006-07-28 2008-01-31 Schaeffler Kg Elektromagnetische Stellvorrichtung und Verfahren zu deren Herstellung
DE102007028600A1 (de) 2007-06-19 2008-12-24 Eto Magnetic Gmbh Elektromagnetische Stellvorrichtung
DE102009006061A1 (de) * 2009-01-24 2010-07-29 Daimler Ag Betätigungsvorrichtung
DE102010045601A1 (de) * 2010-09-16 2012-03-22 Hydac Electronic Gmbh Elektromagnetische Stellvorrichtung

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015139692A1 (fr) * 2014-03-19 2015-09-24 Schaeffler Technologies AG & Co. KG Actionneur pour système de double came coulissante
WO2016037876A1 (fr) * 2014-09-11 2016-03-17 Hilite Germany Gmbh Dispositif de réglage électromagnétique
CN106716565A (zh) * 2014-09-11 2017-05-24 伊希欧1控股有限公司 电磁的调整设备
US10714250B2 (en) 2014-09-11 2020-07-14 ECO Holding 1 GmbH Electromagnetic actuator
CN107299845A (zh) * 2016-04-14 2017-10-27 株式会社电装 电磁致动器
CN107299845B (zh) * 2016-04-14 2020-10-02 株式会社电装 电磁致动器
WO2017183132A1 (fr) * 2016-04-20 2017-10-26 三菱電機株式会社 Actionneur électromagnétique
JPWO2017183132A1 (ja) * 2016-04-20 2018-08-02 三菱電機株式会社 電磁アクチュエータ
WO2019057366A1 (fr) * 2017-09-21 2019-03-28 Kendrion (Villingen) Gmbh Dispositif de réglage, et véhicule à moteur équipé de ce dernier

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