EP1853796A1 - Verstellvorrichtung für variable ventilsteuerung - Google Patents
Verstellvorrichtung für variable ventilsteuerungInfo
- Publication number
- EP1853796A1 EP1853796A1 EP06706717A EP06706717A EP1853796A1 EP 1853796 A1 EP1853796 A1 EP 1853796A1 EP 06706717 A EP06706717 A EP 06706717A EP 06706717 A EP06706717 A EP 06706717A EP 1853796 A1 EP1853796 A1 EP 1853796A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- adjusting
- adjusting device
- rocker
- adjusting shaft
- loop
- 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
- 238000002485 combustion reaction Methods 0.000 claims abstract description 3
- 230000033001 locomotion Effects 0.000 claims description 9
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000003213 activating effect Effects 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 description 8
- 230000008901 benefit Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009849 deactivation Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 230000035939 shock 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
- F01L13/0063—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 by modification of cam contact point by displacing an intermediate lever or wedge-shaped intermediate element, e.g. Tourtelot
-
- 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
- F01L13/0063—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 by modification of cam contact point by displacing an intermediate lever or wedge-shaped intermediate element, e.g. Tourtelot
- F01L2013/0068—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 by modification of cam contact point by displacing an intermediate lever or wedge-shaped intermediate element, e.g. Tourtelot with an oscillating cam acting on the valve of the "BMW-Valvetronic" type
Definitions
- the invention relates to an adjusting device for variable valve trains according to the preamble of patent claim 1.
- variable valve controls To improve the performance of internal combustion engines, especially motor vehicles, in terms of performance, consumption and emissions, a larger number of variable valve controls has been developed. In essence, they allow an adjustment of valve lift, opening duration and phase position to the respective operating conditions.
- the present invention relates to the adjustment of those types of variable valve controls, which are adjusted by turning a so-called adjusting shaft.
- the adjusting shaft usually carries cams, which in turn cause the necessary adjusting movements, usually for a row of cylinders.
- An example of this type of valve controls with adjusting and cam is described in DE 41 35 257. Not described there is the drive of the adjusting because it can be realized in a known manner according to the prior art by an electric geared motor. This rotates the adjusting when needed and after being controlled by the engine management either in a first direction of rotation, which leads to larger valve lift, or in a second, opposite direction, which leads to smaller valve lift.
- the adjustment by an electric geared motor has a significant disadvantage in that the adjustment actually required on the cams over multiple energy conversion is delivered with poor efficiency of the crankshaft, so that the power taken from the crankshaft is a multiple of the actually required on the cams adjusting power.
- the corresponding losses may significantly reduce the benefits achievable with variable valve timing.
- Belt drive crankshaft generator 0.95, alternator: 0.60, electric motor 0.70, worm gear 0.75. Multiplying the individual efficiencies results in an efficiency of 0.3 or 30% for the entire chain, or more than three times the actually required power is taken from the crankshaft.
- the object of the invention is to provide an adjusting device for variable valve controls available, which has a high efficiency and in which the power requirement on the crankshaft for the adjustment is substantially lower than in the known adjusting devices that operate with an electric drive.
- an adjustment is proposed according to the invention, which consists essentially of a arranged in the engine, mechanical transmission, the drive power of one of the revolving in the engine waves is taken in the form of kinetic energy and its output in each desired direction of rotation in shape is transmitted by kinetic energy to the adjusting shaft.
- the drive power of one of the revolving in the engine waves is taken in the form of kinetic energy and its output in each desired direction of rotation in shape is transmitted by kinetic energy to the adjusting shaft.
- the camshaft of the valve control is particularly suitable for providing the adjusting power because of its spatial proximity to the adjusting shaft. If a particularly high adjustment speed is required, this may also be the crankshaft. Quite generally, each of the crankshaft synchronously or non-synchronously rotating in the engine for driving the adjustment device according to the invention can be used.
- a transmission that meets this requirement is called a reverse gear. It can be structured into a part which generates the two directions of rotation, and into a switching part for selectively coupling the shaft to be driven by the transmission, in the present case the adjusting shaft.
- the term reverse gear in particular includes the crank rockers and crank loops described in detail below.
- other transmissions having the aforementioned reverse gear functionality are also included within the scope of the invention and fall within the scope of the claims.
- the first difficulty arises from the fact that the adjusting shaft must be rotated in a very short time by a certain, precisely observed angle, the switching angle, for example, by 50 ° within 0.020 s.
- the switching angle for example, by 50 ° within 0.020 s.
- the adjusting shaft must be driven by the reverse gear at a speed of 417 l / min for exactly this period of time and that a deviation of this switch-on time by only 0.010 s would already lead to a deviation of the shift angle by 50%, ie to 25 ° , or 75 °, which would be a useless result.
- the example shows that the duty cycle would have to be kept accurate to approximately 1 ms, which seems hardly possible with an ordinary clutch.
- the second difficulty arises from the fact that the adjusting shaft when engaging the clutch shock-like on the above speed (which corresponds to 3000 engine revolutions / min) would have to be brought and that they would be brought to a halt at the end of the on-time. Such abrupt impact forces are extremely undesirable.
- a Use crank rocker as a reverse gear the crank is mounted on that shaft to be taken from the adjustment, so for example on the camshaft, and the rocker is preferably mounted coaxially to the adjusting, and can be connected to this by a switchable, positive clutch.
- the rocker arm provides both directions of rotation in quick change on its rocker. It performs an approximately harmonic, oscillating rotary motion whose amplitude, for example 30 °, is sufficient for an adjustment process. Since the engagement and disengagement of the clutch takes place in the region of the reversal points of the rocker movement, the accuracy requirements are defused at the respective switching times and the adjusting is not or only to a minor extent with disturbing impact forces applied during engagement and disengagement.
- crank loop instead of the rocker arm.
- the crank loop has the property that it can apply different high torques in the two directions of rotation of the loop, namely a larger, if the crank pin is located at a greater distance from the axis of rotation of the loop and a smaller in the opposite case.
- the advantage of the rocker arm and the crank loop over other reversing gears is that the shifting clutch is engaged and disengaged in the areas of the reversal points of the rocker or loop movement, where their angular velocities are low.
- the double angle amplitude of the rocker or loop greater than to provide the adjustment of the adjustment and the difference as a backlash, within which the engagement can be placed with comparatively low requirements at the time.
- the disengagement process can thereby be precisely linked to a specific position of the rocker or loop, namely at a turning point, by providing a pawl freewheel, depending on the direction of rotation, as a clutch.
- the Sperrkiinzarelle can be designed very different.
- a double-acting pawl can be performed with a hinge of the rocker or loop and engage radially in a toothing, which is rotatably connected to the adjusting shaft.
- a plurality of pawls acting as pawls are axially displaceable in a rotatably connected to the adjusting drum connected by sliding joints and engage in mating recesses in the hub area of rocker or loop.
- An adjustment process then proceeds as follows: In the region of the backlash and a first reversal point of the rocker or loop, the pawl of the freewheel is brought into locking position, which can be done by an activated by the engine management solenoid.
- the rocker or loop moves with increasing angular velocity with entrainment of the pawl in the direction of the second reversal point until the backlash is exhausted, the pawl takes load and the adjusting shaft is taken. Finally, when the second turning point is reached, the freewheel releases the connection between rocker or loop and the adjusting shaft and the pawl returns to its starting position.
- the adjustment is only dependent on the manufacturing accuracy of the components involved. The greater the mentioned backlash is selected, the more so the double angle amplitude of the rocker or loop exceeds the adjustment of the adjustment, the more time is available to bring the pawl in the locked position, the greater is naturally also the shock when the game is exhausted. As a favorable compromise proves a game of 2 to 10% of the adjustment angle.
- the adjusting shaft must now not only be rotated back and forth between the two positions by the adjustment angle, but it must also be possible to continuously adjust the adjusting shaft in the same direction of rotation several times in succession by the same adjustment angle. In this way, the valve lift is gradually increased or decreased.
- the entire adjustment range from zero stroke to the maximum stroke can be covered, for example, by seven angular positions of the adjustment shaft or steps, between which the adjustment angle of, for example, 50 ° is six times. The entire range of rotation of the adjusting shaft would then be 300 °.
- the cams in the area of the engagement points of the switched positions are designed as concentric circular arcs over a circumference of at least 3 °.
- Figure 1 shows a normal axis section through a variable valve control, which is adjusted by turning an adjusting, with a zero stroke of the valve is set.
- Figure 2 shows a normal axial section through the valve control of FIG. 1, wherein the maximum stroke of the valve is set.
- FIG. 3 shows a longitudinal section through parts of the valve control along A-A in Figure 1.
- FIG. 4 shows an axially normal view of an adjustment device according to the invention using a crank rocker and a two-way pawl guided by the rocker with a swivel joint. Shown is an end position of the swingarm.
- FIG. 5 shows the adjusting device according to FIG. 4 in a longitudinal section along B-B in FIG.
- FIG. 6 shows the axially normal view of an adjusting device according to the invention using a crank loop and each angular position of a pawl guided in the adjusting shaft by a sliding joint each.
- FIG. 7 shows the adjusting device according to FIG. 6 in a section along C-C in FIG. 6.
- Figure 8 is a perspective view of an embodiment of the rocker in the hub area.
- FIG. 1 shows a variable valve timing, which is typical for the adjustment by rotating an adjusting shaft.
- the valve control 1 is driven by a camshaft 3, which is mounted in the housing 2 and on which cams 4 are located.
- the cam 4 is in direct engagement with the roller 5, which is located in the finger lever 6, which in turn actuates the valve 7 and is supported by the hydraulic valve clearance compensation element 8 in the housing 2.
- a so-called intermediate member 9 is turned on. This is on the one hand with the cam 4 via a cam roller 10 or via a sliding contact in engagement and on the other hand via a control cam 11 with the cam follower roller 5.
- the intermediate member 9 is rotatably mounted in an intermediate housing 12 about the axis 13.
- the intermediate housing 12 is rotatably mounted in the housing 2 about the axis 14 and is brought by the guided in the housing 2 plunger 15 in a certain angular position.
- the Tappet 15 is in turn actuated by a cam 16 which is located on the adjusting shaft 17 mounted in the housing 2.
- a rotation of the adjusting shaft 17 causes a, smaller, rotation of the intermediate housing 12 about its axis of rotation 14.
- the intermediate housing 12 by the corresponding position of the adjusting 17, and the cam 16 and the plunger 15 in the, in the sense of Representation, left end position rotated.
- Figure 2 shows the valve control of Figure 1 after clockwise rotation of the adjustment shaft 17 by approximately 270 °, resulting in clockwise rotation of the intermediate housing 12 by approximately 20 ° so that the full valve lift is achieved when the cam tip is engaged.
- the cam follower roller 5 reaches its highest point on the control section 18 of the control cam 11.
- a rotation angle of the adjusting shaft 17 by 270 ° associated with a change in the valve from zero to the maximum value.
- Figure 3 shows a section corresponding to A-A in Figure 1, which shows that for each two parallel valves, each inlet or outlet of a cylinder, a common intermediate housing 12 may be used, so that only a plunger and a cam are necessary.
- the intermediate housing 12 has a plane of symmetry 20, in which also the ram, not shown, may lie, and is rotatably mounted with the pins 21 on both sides in the housing 2 about the axis 14.
- the intermediate members 9, which carry the cam rollers 10 are supported, and the locking portions 19 of the cams are due to the restoring forces of the hydraulic valve clearance compensation elements in contact with the cam follower rollers 5.
- the intermediate housing 12 also contains for each intermediate member 9, a coil spring 22 which maintains contact between cam 4 and cam roller 10 in each phase of movement.
- the reference numerals in Figure 3 are given only for the components in the right half of the illustration.
- Figure 4 shows an inventive adjustment using a rocker arm and a two-sided, guided by the rocker 23 with a pivot 24 pawl 25.
- the cooperating with the pawl 25 teeth mounted on a disc 26, which in turn is pressed onto the front end of the adjusting shaft 17.
- the crank consisting of a crank pin 27 and a crank arm 28, is attached to the front end of the camshaft 3 and offset the rocker 23, which is rotatably mounted on the adjusting shaft 17, via the connecting rod 29 in an oscillating rotational movement. Shown is an end position of the rocker 23, which may have been achieved at the end of entrainment of the adjusting 17 in the counterclockwise direction by the adjustment angle after the tooth 30 of the pawl 25 has released from the toothed disc 26.
- the same position can also be at the beginning of a rotation of the adjusting 17 in the clockwise direction, which actually starts when the solenoid 33 is activated, the torsional backlash is exhausted and the tooth 31 of the pawl 25 strikes the tooth flank 32.
- the torsional backlash results from the difference between the double amplitude of the rotational movement of the rocker and the adjustment angle and gives the electromagnet 33 time to bring the pawl 25 in the locked position.
- a leaf spring 34 engages in the toothed disc 26 and locks the adjusting shaft 17 in the respectively set position.
- FIG. 5 shows the adjusting device of FIG. 4 in longitudinal section B-B.
- the adjusting shaft 17 is mounted in the housing 2.
- the toothed wheel 26 and the cams 16 are non-rotatably connected with it so that rotation of the toothed disc 26 also causes the cams to rotate about the same angle by the adjustment angle.
- the adjusting shaft 17 forms the axis on which it is supported by a bearing 35.
- FIG. 6 shows the adjustment device according to the invention using a crank loop in the axial normal view.
- the pin 27 of the crank engages in a loop 36, which, like the rocker, is rotatably mounted or pivotably mounted on the adjusting shaft 17.
- a perforating drum 37 is pressed onto the front end of the adjusting shaft 17 instead of the toothed disk.
- Each of the axially parallel bores 38 of the perforated drum 37 contains and guides a cylindrical pin 40, one of which, with the aid of an electromagnet, can be selectively engaged with either one of two recesses, each for one direction of rotation, in the hub region of the loop.
- These recesses 41 and 42 are, as Figure 8 shows in detail, designed so that the engaging cylindrical pin 40 can transmit torque in only one direction to the loop, but is pushed back in its initial position in direction of rotation.
- the bottom of the recesses 41, 42 is contoured accordingly.
- the cylinder pin 40 thus represents a guided in a sliding joint pawl. Shown is a position in which a rotation of the cam shaft in the clockwise direction causes the highest angular velocity of the loop counterclockwise, but which is accompanied by the smallest torque on the loop. It is therefore suitable for switching to a smaller valve lift.
- the torsional backlash is 4.571 °.
- perforated drum 37 as described above with respect to the loop 36 can also interact in a very analogous manner with the rocker 23, as has been described for the embodiments according to FIGS. 4 and 5.
- the rocker 23 must be formed only in its hub region as described above with respect to the hub portion of the loop 36.
- FIG. 7 shows a longitudinal section through the adjusting device according to FIG. 6 corresponding to the section CC.
- the adjusting shaft 17 mounted in the housing 2 can be seen, which is mounted on its mounted loop 36 and the pressed-on perforated drum 37.
- a cylindrical pin 40 in the starting position in another hole 38 of the cylindrical pin 40a in the switched position J_ ) ie acting as pawls cylinder pins 40 are thus guided in the perforated drum 37 by sliding joints, through the lateral surfaces 39 of the cylindrical pins 40 and the walls of the holes 38 are formed.
- Each to be switched cylinder pin 40 is brought by an unillustrated solenoid in the switched position. Depending on desired adjustment, to larger or smaller valve lift, this must be done in the range of one or the other end position.
- Figure 8 shows in perspective a rocker 23, which is designed to cooperate with a perforated drum, not shown, analogous to FIGS. 6 and 7.
- the rocker 23 has in the region of the hub, the recess 41 for driving a cylindrical pin with perforated drum clockwise with adjustment and the recess 42 for rotation in the counterclockwise direction.
- opposite rotation of the rocker 23 in the return of the previously switched and acting as a pawl cylinder pin (not shown) along one of the ramps 43 is pushed back to its original position, so that a freewheel of the perforated drum (not shown) is formed.
- FIG. 9 shows a cam disk 16, which is formed in the region of the switched positions I-VII by circular arc sections R 1 to R 7 concentric with the axis of the adjusting shaft, each of which extends over an angle of 4 °.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Valve Device For Special Equipments (AREA)
- Fluid-Driven Valves (AREA)
- Magnetically Actuated Valves (AREA)
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102005010484A DE102005010484B3 (de) | 2005-03-04 | 2005-03-04 | Verstellvorrichtung für variable Ventilsteuerung |
| PCT/EP2006/001073 WO2006094589A1 (de) | 2005-03-04 | 2006-02-07 | Verstellvorrichtung für variable ventilsteuerung |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1853796A1 true EP1853796A1 (de) | 2007-11-14 |
| EP1853796B1 EP1853796B1 (de) | 2009-08-05 |
Family
ID=36540162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP06706717A Expired - Lifetime EP1853796B1 (de) | 2005-03-04 | 2006-02-07 | Verstellvorrichtung für variable ventilsteuerung |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US8225756B2 (de) |
| EP (1) | EP1853796B1 (de) |
| AT (1) | ATE438789T1 (de) |
| DE (2) | DE102005010484B3 (de) |
| ES (1) | ES2330253T3 (de) |
| WO (1) | WO2006094589A1 (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108661737A (zh) * | 2017-03-27 | 2018-10-16 | 马勒国际有限公司 | 用于内燃机的气门驱动器 |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102010048709B4 (de) * | 2010-10-19 | 2013-01-03 | Kolbenschmidt Pierburg Innovations Gmbh | Mechanisch steuerbarer Ventiltrieb sowie mechanisch steuerbare Ventiltriebanordnung |
| US9133735B2 (en) | 2013-03-15 | 2015-09-15 | Kohler Co. | Variable valve timing apparatus and internal combustion engine incorporating the same |
| JP6298241B2 (ja) * | 2013-03-27 | 2018-03-20 | 三菱自動車工業株式会社 | カム構造 |
| JP5978235B2 (ja) * | 2014-01-28 | 2016-08-24 | 京セラドキュメントソリューションズ株式会社 | 定着装置及び画像形成装置 |
| DE102015214115A1 (de) * | 2015-07-27 | 2017-02-02 | Bayerische Motoren Werke Aktiengesellschaft | Hubvariabler Ventiltrieb für eine Brennkraftmaschine |
| DE102017205155A1 (de) | 2017-03-27 | 2018-09-27 | Mahle International Gmbh | Ventiltrieb für eine Brennkraftmaschine |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3204841A1 (de) | 1982-02-11 | 1983-08-18 | Volkswagenwerk Ag, 3180 Wolfsburg | Hubkolben-brennkraftmaschine mit einer vorrichtung zur winkelverstellung der nockenwellen relativ zueinander |
| GB2224094A (en) | 1988-10-20 | 1990-04-25 | Ford Motor Co | Phase change mechanism |
| GB2229248A (en) | 1989-03-15 | 1990-09-19 | Ford Motor Co | Phase change mechanism |
| DE4135257C2 (de) * | 1991-10-25 | 1998-09-03 | Peter Prof Dr Ing Kuhn | Vorrichtung zur Betätigung der Ventile in Verbrennungsmotoren mittels umlaufender Nocken |
| ES1040073Y (es) * | 1998-04-23 | 1999-07-16 | Martinez Jose Benlloch | Dispositivo perfeccionado para el accionamiento en las valvulas de distribucion variable para motores de combustion interna. |
| DE10120449A1 (de) * | 2001-04-26 | 2002-10-31 | Ina Schaeffler Kg | Elektromotorisch verdrehbare Welle |
| DE10120451A1 (de) * | 2001-04-26 | 2002-10-31 | Ina Schaeffler Kg | Elektromotorisch verdrehbare Welle |
| DE10123186A1 (de) | 2001-05-12 | 2002-11-14 | Bayerische Motoren Werke Ag | Ventiltrieb-Vorrichtung zur variablen Hubverstellung eines Gaswechselventils einer Brennkraftmaschine |
| US6694934B1 (en) * | 2002-11-22 | 2004-02-24 | Eaton Corporation | Variable valve actuator for internal combustion engine |
| DE10312961C5 (de) | 2003-03-24 | 2009-01-29 | Thyssenkrupp Presta Teccenter Ag | Vorrichtung zur variablen Betätigung der Gaswechselventile von Verbrennungsmotoren |
| DE20317382U1 (de) * | 2003-03-24 | 2004-01-15 | Thyssenkrupp Automotive Ag | Vorrichtung zur variablen Betätigung der Gaswechselventile von Verbrennungsmotoren |
| DE20317384U1 (de) * | 2003-09-30 | 2004-01-22 | Thyssenkrupp Automotive Ag | Vorrichtung zum Betätigen von Gaswechselventilen für Verbrennungsmotoren |
-
2005
- 2005-03-04 DE DE102005010484A patent/DE102005010484B3/de not_active Expired - Fee Related
-
2006
- 2006-02-07 US US11/885,227 patent/US8225756B2/en not_active Expired - Fee Related
- 2006-02-07 DE DE502006004444T patent/DE502006004444D1/de not_active Expired - Lifetime
- 2006-02-07 ES ES06706717T patent/ES2330253T3/es not_active Expired - Lifetime
- 2006-02-07 WO PCT/EP2006/001073 patent/WO2006094589A1/de not_active Ceased
- 2006-02-07 AT AT06706717T patent/ATE438789T1/de active
- 2006-02-07 EP EP06706717A patent/EP1853796B1/de not_active Expired - Lifetime
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2006094589A1 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108661737A (zh) * | 2017-03-27 | 2018-10-16 | 马勒国际有限公司 | 用于内燃机的气门驱动器 |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102005010484B3 (de) | 2006-10-26 |
| DE502006004444D1 (de) | 2009-09-17 |
| ATE438789T1 (de) | 2009-08-15 |
| EP1853796B1 (de) | 2009-08-05 |
| US8225756B2 (en) | 2012-07-24 |
| WO2006094589A1 (de) | 2006-09-14 |
| US20090194048A1 (en) | 2009-08-06 |
| ES2330253T3 (es) | 2009-12-07 |
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