EP2370980A1 - Electromagnetic actuator device - Google Patents
Electromagnetic actuator deviceInfo
- Publication number
- EP2370980A1 EP2370980A1 EP09799245A EP09799245A EP2370980A1 EP 2370980 A1 EP2370980 A1 EP 2370980A1 EP 09799245 A EP09799245 A EP 09799245A EP 09799245 A EP09799245 A EP 09799245A EP 2370980 A1 EP2370980 A1 EP 2370980A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- core unit
- coil
- units
- shaped
- stoßeleinheiten
- 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
Links
- 230000003993 interaction Effects 0.000 claims abstract description 4
- 230000033001 locomotion Effects 0.000 claims description 13
- 238000004804 winding Methods 0.000 claims description 8
- 238000002485 combustion reaction Methods 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 2
- 230000004907 flux Effects 0.000 claims description 2
- 241000282376 Panthera tigris Species 0.000 claims 1
- 238000011161 development Methods 0.000 description 8
- 230000018109 developmental process Effects 0.000 description 8
- 238000013461 design Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000010409 ironing Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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
- H01F7/16—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
- H01F7/16—Rectilinearly-movable armatures
- H01F7/1638—Armatures not entering the winding
-
- 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
-
- 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
- H01F2007/1669—Armatures actuated by current pulse, e.g. bistable actuators
-
- 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
- H01F2007/1684—Armature position measurement using coils
-
- 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
- H01F2007/1692—Electromagnets or actuators with two coils
-
- 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 present invention relates to an electromagnetic actuator device according to the preamble of the main request.
- Such devices are generally known from the prior art, are commonly used as bistable actuators for positioning purposes on an internal combustion engine, for example for camshaft adjustment, and have two or more ram units which - synchronously equal or in opposite directions, or independently of each other - - Are moved by energizing the coil means to perform the intended purpose.
- the core unit is designed such that it can interact with a plurality of spatially spaced ram units, wherein the core unit is assigned a (and preferably only one) coil or coil unit (coil body), then the majority in response to their energization the ram units is moved.
- the core unit in one piece, at least in such a way that a leg region (leg pair region) designed to cooperate with at least two of the tappet units is formed in one piece. It is within the scope of preferred embodiments, the core unit yoke- or U-shaped design and provide free end face or end faces of this embodiment for cooperation with the plunger units.
- the geometric realization is limited neither to a two-dimensional structure, nor to the provision of only two free legs: Rather, it is within the scope of preferred further developments of the invention to design the core unit multiple U-shaped, E-shaped or H-shaped, or but to twist individual legs spatially (in a third dimension) so that they are not in any common plane with a connecting portion of the core unit; All of these geometric variants can then be based on the respective installation requirements and / or intended purposes of the electromagnetic actuator device according to the invention, it being particularly favorable if each limb or free end face of such a limb then faces a ram unit of the armature means for co-operation.
- the coil means comprise at least one coil extending around a portion of the core unit; While in principle the position or arrangement of this coil is arbitrary and can be made dependent on magnetic and / or spatial conditions, it is expedient to provide this coil in a central and / or connecting region between free legs of the core unit.
- At least one of the plunger units in particular in the engaging and / or effective range with the core unit, with per- - A -
- an additional winding (on an existing coil or the associated bobbin) is suitable for detecting movement and switching states of plunger units generated and detectable by induction, for example, and making them accessible for further evaluation.
- the device according to the invention is particularly suitable to design the device according to the invention as a bistable actuator, namely to design at least one of the plunger units so that they assume a normally-stable state in both end positions of a movement and switching state.
- the present invention is particularly suitable for limited installation dimensions and environmental conditions such as in the field of motor vehicles and motor vehicle internal combustion engines, but the present invention is not limited to this purpose.
- FIG. 1 is a schematic diagram of the electromagnetic actuator device according to a first preferred embodiment of the present invention.
- Fig. 2 is a perspective view of an example for the physical realization of the embodiment of Fig. 1; Fig. 3 to
- FIG. 7 shows further embodiments as variants of the invention with a plurality of coils on a U-shaped bent core element
- Fig. 8 shows a further variant of the invention with a
- a plurality of coils and E-shaped core member A plurality of coils and E-shaped core member
- FIG. 10 Schematic diagrams for explaining the interaction of the device according to FIG. 1, FIG. 2 with permanent magnets provided on the plunger units;
- FIG. 11 shows a further variant of the present invention as an embodiment with a double H-shaped core unit
- FIG. 14 shows further variants of the invention with three-dimensionally arranged leg ends of a core unit; Fig. 15 bi s
- FIG. 2 The block diagram of Fig. 1, see.
- the three-dimensional representation of FIG. 2 clarifies the basic principle of the invention according to a first embodiment of the invention:
- a U-shaped bent core element 10 with a pair of free leg ends 12, 14 has in a middle connection region 16 (held on a coil support, not shown) )
- Coil unit 18 which is acted upon in a otherwise known manner with a current supply.
- the armature unit 10 electromagnetically cooperates with a pair of plunger units 20, 22 as anchor means, each aligned axially with associated leg portions of the core unit 10 and axially facing the leg ends 12, 14, respectively.
- the plunger units 20 and 22 each have a permanent magnet unit 24 and 26, which, depending on the polarity of the coil unit 16 generated electromagnetic field, attractive or repulsive acts and accordingly the (not shown in detail Way) movably mounted ram unit 20 or 22 moves in the axial direction, in order to fulfill an intended (bistable) setting purpose on the permanent magnet units 24 and 26, respectively, opposite the end of the tappet units 20 and 22, for example the interaction with a suitable actuating partner of a camshaft adjustment of an internal combustion engine or the like.
- FIG. 2 in the physical realization of the exemplary embodiment of FIG. 1 shown in FIG. 1, a very compact and efficient structure is produced in this way, namely an easy-to-manufacture and low component cost-requiring ironing structure, which in a simple manner to the respective Stellpartner suitable opposite can be provided.
- the housing 23 shown by way of example in FIG. 1 offers the possibility of accommodating not only the core and coil units 10, 18, but additionally designing a guide for the pair of plunger units.
- Figs. 3 to 6 illustrate variants of the basic embodiment of Fig. 1; it is thus possible, depending on the positioning (FIGS. 3, 4) of the coil unit 18 and / or dimensioning of the coil unit 18 (large winding in FIG. 5), to suitably extend the field course along the core unit or in cooperation with the plurality of plunger units influence, for example, in such a way that intentionally force or movement asymmetries are to be generated.
- a bobbin two windings 18, 18 a wear (Fig. 7)
- a respective wire pair and consequently energized only a portion of the coil becomes.
- a second, not actively energized, coil or winding in order to detect switching states of the relevant actuator device.
- impact units will induce corresponding voltages in their movement relative to the core unit, such as with the permanent magnet units provided at the end abut the two-pole of the additional coil for detection and further processing.
- Fig. 8 shows a further variant;
- the core unit 30 is configured (E-shape with each provided in the intermediate region of the three legs coil units 42, 44) as a total of three the respective leg ends 46, 48, 50 opposite (not shown) plunger can be individually offset in each case in motion, by varying the wiring or energization of the coils 42, 44.
- a core unit 32 can also suitably be provided with legs opposite one another, so that the double H-shape schematically shown in FIG. 11 results; only schematically the free legs 46, 48, 50 more free legs 52, 54, 56 are compared;
- permanent magnets corresponding to associated movable tappet units are also provided only schematically.
- the desired movement behavior can be generated, as can be explained using the example of FIGS. 9, 10 (corresponding to the exemplary embodiment of FIG. 1): FIG.
- FIGS. 12, 13 illustrates that, purely schematically, the core unit assumes an H-shape in the physical realization (FIG. 12), however, the free legs of a housing 36 form an acute angle to one another and not an angle of 180 ° to one another.
- FIG. 14 shows a cuboid geometry of the tappet units, wherein the respective free legs are connected by connecting elements 70, 72 in the manner of a rectangular frame and coil units 74 are then formed on longitudinal sections of the frame.
- Such flux-conducting elements make it possible, in particular, to drastically reduce the switching cycles of the present invention by decoupling mutual interference.
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Electromagnets (AREA)
- Valve Device For Special Equipments (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE202008015980U DE202008015980U1 (en) | 2008-12-03 | 2008-12-03 | Electromagnetic actuator device |
PCT/EP2009/008371 WO2010063394A1 (en) | 2008-12-03 | 2009-11-25 | Electromagnetic actuator device |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2370980A1 true EP2370980A1 (en) | 2011-10-05 |
EP2370980B1 EP2370980B1 (en) | 2012-08-15 |
Family
ID=42060715
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09799245A Active EP2370980B1 (en) | 2008-12-03 | 2009-11-25 | Electromagnetic actuator device |
Country Status (5)
Country | Link |
---|---|
US (1) | US8729992B2 (en) |
EP (1) | EP2370980B1 (en) |
CN (1) | CN102239531B (en) |
DE (1) | DE202008015980U1 (en) |
WO (1) | WO2010063394A1 (en) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102009056609A1 (en) * | 2009-12-02 | 2011-06-09 | Schaeffler Technologies Gmbh & Co. Kg | Electromagnetic actuator |
DE202010010371U1 (en) * | 2010-07-16 | 2011-10-17 | Eto Magnetic Gmbh | Electromagnetic actuator |
DE202011004021U1 (en) * | 2011-03-16 | 2012-07-09 | Eto Magnetic Gmbh | Electromagnetic actuator device |
DE102011050730A1 (en) | 2011-05-30 | 2012-12-06 | Eto Magnetic Gmbh | Camshaft adjusting device |
DE102012103796A1 (en) * | 2012-04-30 | 2013-10-31 | Eto Magnetic Gmbh | Electromagnetic actuator |
DE102012107922A1 (en) * | 2012-08-28 | 2014-03-06 | Eto Magnetic Gmbh | Electromagnetic actuator device |
KR102123460B1 (en) | 2012-09-11 | 2020-06-17 | 네덜란제 오르가니자티에 포오르 토에게파스트-나투우르베텐샤펠리즈크 온데르조에크 테엔오 | Reluctance Transducer |
DE202012009830U1 (en) * | 2012-10-15 | 2012-11-15 | Bürkert Werke GmbH | Pulse solenoid valve |
DE102012111851B4 (en) | 2012-12-05 | 2023-03-16 | Eto Magnetic Gmbh | Electromagnetic actuator |
JP6236326B2 (en) * | 2013-02-08 | 2017-11-22 | 株式会社Soken | Solenoid device and solenoid control system |
DE102013108029B4 (en) | 2013-07-26 | 2023-01-19 | Eto Magnetic Gmbh | Electromagnetic actuator |
US9583249B2 (en) | 2014-10-31 | 2017-02-28 | Husco Automotive Holdings Llc | Methods and systems for push pin actuator |
CN113357377A (en) * | 2020-03-04 | 2021-09-07 | 纬湃汽车电子(芜湖)有限公司 | Carbon tank solenoid valve |
Family Cites Families (26)
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US1959562A (en) * | 1933-08-19 | 1934-05-22 | Union Switch & Signal Co | Electrical relay |
US2144543A (en) * | 1937-07-30 | 1939-01-17 | Union Switch & Signal Co | Electrical relay |
GB658130A (en) * | 1949-05-11 | 1951-10-03 | Westinghouse Brake & Signal | Improvements relating to electric relays |
DE1489691A1 (en) * | 1965-07-02 | 1969-05-14 | Binder Magnete | Electromagnet that can be fed with direct current, alternating current or three-phase current |
US4236132A (en) * | 1979-02-12 | 1980-11-25 | Baxter Travenol Laboratories, Inc. | Electromagnetic switch means for a flow control device and the like having reduced shock levels |
JPS583206A (en) * | 1981-06-29 | 1983-01-10 | Omron Tateisi Electronics Co | Polarized electro magnet device |
FR2606927B1 (en) * | 1986-11-19 | 1991-09-13 | Telemecanique Electrique | BISTABLE POLARIZED ELECTROMAGNET |
US4779582A (en) * | 1987-08-12 | 1988-10-25 | General Motors Corporation | Bistable electromechanical valve actuator |
CN1071858A (en) | 1991-10-28 | 1993-05-12 | 北京市西城区新开通用试验厂 | Push-pull vibration exciter |
US5646588A (en) * | 1994-09-19 | 1997-07-08 | Caterpillar Inc. | Stroke elongation device for an electromagnetic actuator |
JP3280536B2 (en) * | 1995-02-21 | 2002-05-13 | 株式会社ミクニ | Actuator |
CN1151091A (en) | 1995-11-23 | 1997-06-04 | 荻野三四郎 | Magnetic attraction driving engine using permanent magnet |
KR100286010B1 (en) * | 1998-03-31 | 2001-04-16 | 김덕용 | switch having a magnetized rocker |
FR2792031B1 (en) * | 1999-04-09 | 2001-06-08 | Sagem | ELECTROMAGNETIC VALVE CONTROL DEVICE |
US6414577B1 (en) * | 2000-02-14 | 2002-07-02 | Jerzy Hoffman | Core with coils and permanent magnet for switching DC relays, RF microwave switches, and other switching applications |
FR2819624B1 (en) * | 2001-01-15 | 2003-04-25 | Sagem | ELECTROMAGNETIC ACTUATOR |
ITTO20011190A1 (en) * | 2001-12-18 | 2003-06-18 | Microlys Spa | ELECTROMAGNETIC ACTUATOR USABLE AS A SELECTOR OF MOVING PARTS |
DE10261811B4 (en) * | 2002-12-19 | 2005-01-20 | Siemens Ag | Electromagnetic drive |
US6831535B1 (en) * | 2003-11-25 | 2004-12-14 | China Patent Investment Limited | Bistable electromagnetic relay |
US6946938B1 (en) * | 2004-06-07 | 2005-09-20 | Pedersen Brad D | Method and apparatus for coil-less magnetoelectric magnetic flux switching for permanent magnets |
US7719394B2 (en) * | 2004-10-06 | 2010-05-18 | Victor Nelson | Latching linear solenoid |
US7843289B1 (en) * | 2005-08-19 | 2010-11-30 | Scientific Components Corporation | High reliability microwave mechanical switch |
US7741941B2 (en) * | 2006-11-30 | 2010-06-22 | Honeywell International Inc. | Dual armature solenoid valve assembly |
DE102007010156A1 (en) * | 2007-03-02 | 2008-09-04 | Audi Ag | Valve drive unit for a combustion engine comprises an adjusting unit having interacting elements which interact alternately with a curved connecting part |
DE102007028600B4 (en) | 2007-06-19 | 2011-06-22 | ETO MAGNETIC GmbH, 78333 | Electromagnetic actuator |
DE102007037333A1 (en) * | 2007-08-08 | 2009-02-26 | Daimler Ag | actuator |
-
2008
- 2008-12-03 DE DE202008015980U patent/DE202008015980U1/en not_active Expired - Lifetime
-
2009
- 2009-11-25 WO PCT/EP2009/008371 patent/WO2010063394A1/en active Application Filing
- 2009-11-25 CN CN200980148488.XA patent/CN102239531B/en active Active
- 2009-11-25 US US13/131,080 patent/US8729992B2/en active Active
- 2009-11-25 EP EP09799245A patent/EP2370980B1/en active Active
Non-Patent Citations (1)
Title |
---|
See references of WO2010063394A1 * |
Also Published As
Publication number | Publication date |
---|---|
DE202008015980U1 (en) | 2010-04-29 |
US8729992B2 (en) | 2014-05-20 |
US20110267159A1 (en) | 2011-11-03 |
EP2370980B1 (en) | 2012-08-15 |
CN102239531B (en) | 2015-07-22 |
WO2010063394A1 (en) | 2010-06-10 |
CN102239531A (en) | 2011-11-09 |
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