EP2401479A1 - Elektromagnetische stellvorrichtung - Google Patents
Elektromagnetische stellvorrichtungInfo
- Publication number
- EP2401479A1 EP2401479A1 EP10705325A EP10705325A EP2401479A1 EP 2401479 A1 EP2401479 A1 EP 2401479A1 EP 10705325 A EP10705325 A EP 10705325A EP 10705325 A EP10705325 A EP 10705325A EP 2401479 A1 EP2401479 A1 EP 2401479A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pins
- actuator
- locking
- adjusting device
- housing
- 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
- 230000002441 reversible effect Effects 0.000 claims abstract description 6
- 230000007246 mechanism Effects 0.000 abstract 2
- 230000010287 polarization Effects 0.000 abstract 1
- 230000006835 compression Effects 0.000 description 7
- 238000007906 compression Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 238000011161 development Methods 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 230000001846 repelling effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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
-
- 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
-
- 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
- H01F7/122—Guiding or setting position of armatures, e.g. retaining armatures in their end position by permanent magnets
-
- 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
-
- 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 invention relates to an electromagnetic actuating device having a housing and two actuator pins, which are mounted movably in the housing independently of one another between a rest position moved into the housing and a working position extended out of the housing and force-loaded by spring means in the direction of extension, as well as locking pins which engage the Holding actuator pins by means of detents in the rest position and in the direction of travel of the actuator pins relative to these are displaced.
- the locking pins of other spring means in the extension direction are subjected to force and electromagnetically kraftbeaufschlagt relocated to release the detents in the retraction direction.
- Such a control device is particularly suitable for adjusting variable-stroke valve trains of internal combustion engines, the basic mode of operation of which is apparent, for example, from DE 10 2004 021 376 A1.
- the stroke variability of this valve train is based on a cam piece with two cams arranged directly adjacent thereto, the different opening characteristics of which are selectively transferred to a gas exchange valve by means of a conventionally rigid cam follower.
- the cam piece is non-rotatable, however arranged longitudinally displaceable on a support shaft and has two spiral and oppositely extending sliding grooves, in which the end portions of the actuator pins of two actuating devices (with only one Aktua- torux) alternately coupled.
- the radial course of each sliding groove is designed such that it slides towards the end of the cam Shifting operation is increasingly flatter and relocates the currently engaged actuator pin from its working position back to the rest position.
- WO 03/021612 A1 proposes an actuating device whose actuation is based on the interaction of an electromagnet with an actuator. Torken attached permanent magnet based. Due to its magnetic attraction of the spring-loaded in the extension direction Aktua- toraux adheres to the de-energized electromagnet. To release the actuator pin from this rest position, only a pulse-shaped current loading of the electromagnet is required to overcome the magnetic attraction of the permanent magnet, the Aktuatorstatt not only by the force of the spring means but also by the force of a magnetic repulsion effect between the permanent magnet and the energized electromagnet in the direction the working position is accelerated.
- the present invention is therefore the object of an adjusting device of the type mentioned in such a way that the adjusting device not only takes up the smallest possible space and has a small distance of the actuator pins, but also as little as possible manufacturable and mountable. Summary of the invention
- the adjusting device has a locking pins mutually associated electromagnet with reversible direction of the magnetic field and the actuator pins facing away from end portions of the locking pins are provided with two permanent magnet magneto-permanent magnets, which are oppositely poled in the direction of travel to each other.
- the effect of the magnetic field reverses, so that now the second permanent magnet is attracted while the first permanent magnet is repelled.
- the starting point for this is the condition that both actuator pins are held in their rest positions by means of the detents.
- the second actuator pin now shifts into its working position, while the first actuator pin remains in its rest position.
- the permanent magnets are intended to extend at a distance from the core of the electromagnet to the core area when the end sections of the locking pins facing away from the actuator pins bear against one another.
- the force effect of the permanent magnets which increases exponentially in the vicinity of the electromagnet, can be limited to such a degree that, when the electromagnet is de-energized, a sufficient force effect of the further spring means resetting the blocking pins remains.
- the core region forms a planar contact surface for the locking pins, wherein the end portions of the locking pins facing away from the actuator pins are raised in relation to the permanent magnets.
- the detents should each be formed by the following features:
- ⁇ a longitudinal bore extending in the actuator pin for receiving the locking pin and one or more transverse bores intersecting the longitudinal bore, ⁇ a first support surface formed on the locking pin and a second support surface formed in the housing, at least one of the support surfaces being inclined with respect to the direction of travel,
- the one or more locking bodies are preferably formed as balls, as they are removable as an extremely cost-effective mass product of a rolling element. In this case, three balls and three evenly distributed over the circumference of the actuator pin transverse bores may be provided.
- This arrangement is advantageous over only one detent body insofar as greater holding forces can be generated either with identical dimensioning of the detent body or with smaller dimensions of the detent body - corresponding to a further reduced space requirement of the detent - the possibly already sufficient holding force of only one detent body can be generated.
- the arrangement of the circumferentially distributed by 120 ° balls results in a mechanically favorable, centered support of the locking pin in the longitudinal bore of the actuator pin. Nevertheless, of course, arrangements with only one, two, four or more balls are possible.
- the balls may be self-locking clamped between the support surfaces, wherein the support surfaces have a constant or a decreasing in the retraction distance from each other.
- the second support surface can run parallel to the direction of travel of the actuator pin and be part of a production-oriented continuously cylindrical longitudinal guide for the actuator pin.
- the first support surface on the locking pin in the extension direction radially tapers and that the support surfaces are parallel to each other.
- the support surfaces are formed Vietnameseflgelstumpfförmig. This embodiment enables a particularly low-wear sliding or rolling contact between the balls and the support surfaces when the actuator pin leaves the rest position and reaches again.
- the figure discloses an adjusting device 1, which serves to control a stroke-variable valve train explained above with sliding cam pieces (see DE 196 11 641 C1).
- the adjusting device 1 is an assembly which can be mounted in the cylinder head of the internal combustion engine and has a housing 2 and two hollow cylindrical actuator pins 3 and 4.
- the actuator pins 3, 4, which are designed as identical parts, are mounted in longitudinal guides 5 of the housing 2 and can reciprocate independently of one another between a rest position retracted into the housing 2 (as shown) and a working position extended from the housing 2. As explained above, in the working position (not shown), the actuator pins 3, 4 are engaged with an associated slide groove to displace the cam piece.
- the spring pins - here helical compression springs 6 - in the extension direction kraftbeaufschlagten actuator pins 3, 4 are held by detents in the rest position. A release of the detents is effected by controllable locking pins 7 and 8, which are also formed as identical parts and relative to the actuator pins 3, 4 are displaced in the direction of travel.
- the mutually identical detents are in each case formed by a longitudinal bore 9 extending in the actuator pin 3, 4 and these transverse cross-drilled holes.
- gene 10 a formed on the locking pin 7, 8 first support surface 11 and formed in a housing 2 second support surface 12 and three locking bodies in the form of balls 13 are formed.
- the in the evenly on the circumference of the Aktuator reconstructs the detents.
- the first support surface 11 forms the outer circumferential surface of a circular truncated cone.
- the second support surface 12 in the housing 2 extends at a constant distance thereto and thus forms the inner circumferential surface of a circular truncated cone.
- the locking pins 7, 8 are each acted upon by a further spring means - here a helical compression spring 15 - also in the extension direction.
- the angle of inclination of the support surfaces 11, 12 with respect to the direction of movement of the actuator pin 3, 4 is chosen taking into account the acting on the locking pin 7, 8 and the actuator pin 3, 4 spring forces and the friction conditions on the ball-support surface contacts that the balls 13th self-locking between the support surfaces 11, 12 are clamped and so fix the actuator tuatorstatt 3, 4 in the rest position.
- the inclination angle is presently about 5 °.
- the concentric helical compression springs 6, 15 are based, on the one hand, on bushings 16 pressed into the housing 2 and, on the other hand, on annular end faces 17 and 18 of the actuator pins 3, 4 or the locking pins 7, 8.
- the locking pins 7, 8 are electromagnetically kraftbeaufschlagt for releasing the detents in the retraction of the actuator pins 3, 4 and are provided for this purpose at their the actuator pins 3, 4 opposite end portions 19 with permanent magnets 20 and 21 attached thereto.
- these two-pole magnets are axially magnetized, aligned in the direction of travel of the actuator pins 3, 4 with respect to their north and south poles designated N and S, and exposed to the magnetic field of a single electromagnet 22.
- the solenoid 22 includes as essential components a magnetic coil 23, a stationary core portion 24 and a 2-pin connector 25 as a DC terminal for the magnetic coil 23.
- the coaxially extending in the magnetic coil 23 core portion 24 has on the part of the permanent magnets 20, 21 a shoulder, the a flat contact surface 26 for the locking pins 7, 8 forms.
- a strongly adhering contact of the permanent magnets 20, 21 on the abutment surface 26 is avoided in that the end portions 19 of the locking pins 7, 8 are raised with respect to the permanent magnets 20, 21 and they always have a corresponding minimum distance to the abutment surface 26.
- the operation of the adjusting device 1 is as follows: applied to the electromagnet 22 voltage with a first polarity (+/-), the resulting magnetic field attracts a permanent magnet 20 or 21 and abuts the other permanent magnet 21 or 20 due to its reverse polarity from. While the repelled permanent magnet 21 or 20, the associated locking pin 8 or 7 and consequently also the associated actuator pin 4 or 3 remain at rest due to the associated non-dissolved detent, with the one permanent magnet 20 or 21 attracted locking pin 7 or 8 to the contact surface 26 shifted in the retraction direction. In this case, the associated detent detaches by the clamping action of the balls 13 relative to the support surfaces 11, 12 is released.
- the actuator pin 3 or 4 is driven by the force of the helical compression spring 6 in its working position.
- the solenoid 22 is then de-energized, so that the attracted locking pin 7 or 8 returns by the force of the helical compression spring 15 to its original position.
- the engaged actuator pin 3 or 4 is pushed by the radially rising outlet region of the sliding groove back into its rest position and locked there again. This is done by the balls 13 the inclined course of the first support surface 11 on Follow locking pin 7 or 8, move radially outward in the transverse bores 10 and are clamped under self-locking between the support surfaces 11, 12.
- the actuation of the other actuator pin 4 or 3 is initiated by applying voltage to the electromagnet 22 with the second polarity (- / +) reversed to the first polarity (+/-) becomes.
- the reverse effective direction of the magnetic field now arising repels the one permanent magnet 20 or 21 and attracts the other permanent magnet 21 or 20 at.
- the further control curve of the other actuator pin 4 or 3 takes place in an identical manner as explained above.
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)
- Electromagnets (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102009010949A DE102009010949A1 (de) | 2009-02-27 | 2009-02-27 | Elektromagnetische Stellvorrichtung |
| PCT/EP2010/051715 WO2010097298A1 (de) | 2009-02-27 | 2010-02-11 | Elektromagnetische stellvorrichtung |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2401479A1 true EP2401479A1 (de) | 2012-01-04 |
| EP2401479B1 EP2401479B1 (de) | 2015-04-08 |
Family
ID=42035377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP10705325.8A Not-in-force EP2401479B1 (de) | 2009-02-27 | 2010-02-11 | Elektromagnetische stellvorrichtung |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US8339225B2 (de) |
| EP (1) | EP2401479B1 (de) |
| CN (1) | CN102333936B (de) |
| DE (2) | DE102009010949A1 (de) |
| WO (1) | WO2010097298A1 (de) |
Families Citing this family (33)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102010013216B4 (de) | 2009-04-04 | 2022-04-28 | Schaeffler Technologies AG & Co. KG | Ventiltrieb einer Brennkraftmaschine |
| DE202009015468U1 (de) | 2009-06-25 | 2010-02-25 | Schaeffler Kg | Elektromagnetische Stellvorrichtung |
| DE102009053121A1 (de) | 2009-11-13 | 2011-05-19 | Schaeffler Technologies Gmbh & Co. Kg | Elektromagnetische Stellvorrichtung |
| DE102009056609A1 (de) * | 2009-12-02 | 2011-06-09 | Schaeffler Technologies Gmbh & Co. Kg | Elektromagnetische Stellvorrichtung |
| DE202010010371U1 (de) * | 2010-07-16 | 2011-10-17 | Eto Magnetic Gmbh | Elektromagnetische Stellvorrichtung |
| DE102010048005A1 (de) * | 2010-10-08 | 2012-04-12 | Schaeffler Technologies Gmbh & Co. Kg | Aktorvorrichtung zur Verstellung eines Schiebenockensystems |
| DE102011003760B4 (de) | 2010-11-29 | 2022-03-24 | Schaeffler Technologies AG & Co. KG | Elektromagnetische Stellvorrichtung |
| DE102011078154A1 (de) | 2011-06-28 | 2013-01-03 | Schaeffler Technologies AG & Co. KG | Aktoreinheit mit zwei Aktorstiften für Schiebenockensysteme |
| DE102011078525A1 (de) | 2011-07-01 | 2013-01-03 | Schaeffler Technologies AG & Co. KG | Schiebenockensystem mit einer bistabilen Aktoreinheit |
| DE102011084039A1 (de) | 2011-10-05 | 2013-04-11 | Schaeffler Technologies AG & Co. KG | Aktoreinheit für Schiebenockensysteme mit durch Steuernadeln beherrschte Aktorstifte |
| DE102011086233B4 (de) | 2011-11-14 | 2015-11-26 | Schaeffler Technologies AG & Co. KG | Aktorvorrichtung zur Verstellung eines Schiebenockensystems mit Schaltscheibe |
| DE102011088298A1 (de) | 2011-12-12 | 2013-06-13 | Schaeffler Technologies AG & Co. KG | Aktoreinheit für Schiebenockensysteme mit Reib- und Rastschluss |
| DE102012101619A1 (de) * | 2012-02-28 | 2013-08-29 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Elektromagnetische Stellvorrichtung |
| JP5505744B2 (ja) | 2012-03-23 | 2014-05-28 | 株式会社デンソー | アクチュエータ |
| DE102012206569A1 (de) | 2012-04-20 | 2013-10-24 | Schaeffler Technologies AG & Co. KG | Aktoreinheit mit verringerter Reibung der Aktorstifte |
| DE102012207476B4 (de) * | 2012-05-07 | 2014-08-28 | Schaeffler Technologies Gmbh & Co. Kg | Aktoreinheit eines Schiebenockensystems mit einer Rasteinrichtung |
| DE102013206311A1 (de) * | 2012-05-14 | 2013-11-14 | Denso Corporation | Elektromagnetischer Aktor |
| JP5704115B2 (ja) * | 2012-05-14 | 2015-04-22 | 株式会社デンソー | 電磁アクチュエータ |
| DE102012211854B4 (de) | 2012-07-06 | 2016-03-31 | Schaeffler Technologies AG & Co. KG | Aktorvorrichtung mit Fernübertragung |
| JP5590423B2 (ja) | 2012-07-17 | 2014-09-17 | 株式会社デンソー | 電磁アクチュエータ |
| 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 |
| US8813699B2 (en) | 2013-01-04 | 2014-08-26 | Ford Global Technologies, Llc | Actuator for lobe switching camshaft system |
| DE102013102241A1 (de) * | 2013-03-06 | 2014-09-11 | Kendrion (Villingen) Gmbh | Elektromagnetische Stellvorrichtung, insbesondere zur Nockenwellenverstellung einer Brennkraftmaschine |
| DE102013204774A1 (de) * | 2013-03-19 | 2014-09-25 | Robert Bosch Gmbh | Elektromagnetische Stellvorrichtung |
| DE102013114830A1 (de) * | 2013-12-23 | 2015-06-25 | Eto Magnetic Gmbh | Elektromagnetische Stellvorrichtung |
| DE102014203001B3 (de) * | 2014-02-19 | 2015-08-06 | Schaeffler Technologies AG & Co. KG | Hubvariabler Ventiltrieb eines Verbrennungsmotors |
| DE102015113970A1 (de) * | 2014-09-11 | 2016-03-17 | Hilite Germany Gmbh | Elektromagnetische Stellvorrichtung |
| EP3016117B1 (de) * | 2014-10-31 | 2017-12-06 | Husco Automotive Holdings LLC | Druckstiftaktuatorvorrichtung |
| US10301981B2 (en) * | 2017-03-31 | 2019-05-28 | GM Global Technology Operations LLC | Method for retracting a sliding camshaft actuator pin |
| DE102017205572A1 (de) * | 2017-03-31 | 2018-10-04 | Mahle International Gmbh | Ventiltrieb für eine Brennkraftmaschine |
| CN111347183B (zh) * | 2020-04-24 | 2022-07-15 | 新疆汇翔激光科技有限公司 | 一种激光切割平台 |
| CN113818944B (zh) * | 2020-06-15 | 2022-07-26 | 广州汽车集团股份有限公司 | 双销电磁阀 |
| CN117307286A (zh) * | 2023-11-02 | 2023-12-29 | 广州汽车集团股份有限公司 | 配气系统及车辆 |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| US4779582A (en) * | 1987-08-12 | 1988-10-25 | General Motors Corporation | Bistable electromechanical valve actuator |
| DE69423087T2 (de) * | 1994-01-17 | 2000-11-02 | Circuit Breaker Industries Ltd., Elandsfontein | Betätigungsvorrichtung für Leistungsschalter |
| DE19611641C1 (de) | 1996-03-25 | 1997-06-05 | Porsche Ag | Ventiltrieb einer Brennkraftmaschine |
| DE20114466U1 (de) | 2001-09-01 | 2002-01-03 | Eto Magnetic Kg | Elektromagnetische Stellvorrichtung |
| DE102004021376A1 (de) | 2004-04-30 | 2005-12-08 | Audi Ag | Ventiltrieb einer Brennkraftmaschine mit mindestens einer Nockenwelle |
| US7719394B2 (en) * | 2004-10-06 | 2010-05-18 | Victor Nelson | Latching linear solenoid |
| FR2895594B1 (fr) * | 2005-12-22 | 2008-03-07 | Sagem Defense Securite | Dispositif de deplacement lineaire d'un corps entre deux positions predeterminees |
| DE102006051809A1 (de) * | 2006-11-03 | 2008-05-08 | Schaeffler Kg | Stellvorrichtung |
| DE102007010156A1 (de) | 2007-03-02 | 2008-09-04 | Audi Ag | Ventiltrieb einer Brennkraftmaschine mit mehrstufigen Nockenprofilgruppen und Stellorganen mit mindestens zwei Eingriffselementen |
| DE102007024598A1 (de) | 2007-05-25 | 2008-11-27 | Schaeffler Kg | Stellvorrichtung |
| DE102007024600A1 (de) * | 2007-05-25 | 2008-11-27 | Schaeffler Kg | Stellvorrichtung |
| DE102007028600B4 (de) | 2007-06-19 | 2011-06-22 | ETO MAGNETIC GmbH, 78333 | Elektromagnetische Stellvorrichtung |
| DE102007037333A1 (de) * | 2007-08-08 | 2009-02-26 | Daimler Ag | Betätigungsvorrichtung |
-
2009
- 2009-02-27 DE DE102009010949A patent/DE102009010949A1/de not_active Withdrawn
- 2009-02-27 DE DE202009015466U patent/DE202009015466U1/de not_active Expired - Lifetime
-
2010
- 2010-02-11 WO PCT/EP2010/051715 patent/WO2010097298A1/de not_active Ceased
- 2010-02-11 US US13/133,802 patent/US8339225B2/en not_active Expired - Fee Related
- 2010-02-11 EP EP10705325.8A patent/EP2401479B1/de not_active Not-in-force
- 2010-02-11 CN CN2010800095853A patent/CN102333936B/zh not_active Expired - Fee Related
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2010097298A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2010097298A1 (de) | 2010-09-02 |
| DE102009010949A1 (de) | 2010-09-02 |
| US20110240892A1 (en) | 2011-10-06 |
| CN102333936A (zh) | 2012-01-25 |
| EP2401479B1 (de) | 2015-04-08 |
| CN102333936B (zh) | 2013-11-27 |
| DE202009015466U1 (de) | 2010-03-18 |
| US8339225B2 (en) | 2012-12-25 |
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