WO2014117916A1 - Actionneur pour dispositif de déphasage d'arbre à cames - Google Patents

Actionneur pour dispositif de déphasage d'arbre à cames Download PDF

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Publication number
WO2014117916A1
WO2014117916A1 PCT/EP2014/000095 EP2014000095W WO2014117916A1 WO 2014117916 A1 WO2014117916 A1 WO 2014117916A1 EP 2014000095 W EP2014000095 W EP 2014000095W WO 2014117916 A1 WO2014117916 A1 WO 2014117916A1
Authority
WO
WIPO (PCT)
Prior art keywords
actuator
switching
pin
switching pin
cam
Prior art date
Application number
PCT/EP2014/000095
Other languages
German (de)
English (en)
Inventor
Peter Schmidt
Thomas Stolk
Alexander Von Gaisberg-Helfenberg
Original Assignee
Daimler Ag
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 Daimler Ag filed Critical Daimler Ag
Publication of WO2014117916A1 publication Critical patent/WO2014117916A1/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
    • H01F7/16—Rectilinearly-movable armatures
    • H01F7/1607—Armatures 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
    • 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
    • F01L2001/0471—Assembled camshafts
    • F01L2001/0473—Composite camshafts, e.g. with cams or cam sleeve being able to move relative to the inner camshaft or a cam adjusting rod
    • 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 actuator according to the preamble of claim 1.
  • actuators for a camshaft adjusting device which has at least one axially displaceable cam element and at least one slide track for displacing the at least one cam element, with an actuator housing and with at least one shift pin mounted axially displaceably in the actuator housing, which is provided for adjusting the cam element thereto; in the at least one
  • the invention is in particular the object of providing a particularly advantageous actuator for a camshaft adjusting device, which is particularly advantageously low wear during operation. It is by a
  • the invention is based on an actuator for a camshaft adjusting device, which has at least one axially displaceable cam element and at least one slide track for displacement of the at least one cam element, with a
  • Actuator and at least one axially displaceably mounted in the actuator housing shift pin, which is provided for adjusting the cam member to engage in the at least one slide track.
  • Actuator housing is arranged. This may occur during an intervention of the
  • Switching pins in the link path advantageously prevents rotation of the switching pin and thus a resulting wear on the shift pin, whereby the actuator for the camshaft adjusting device during operation in particular advantageous wear.
  • a "cam element” is to be understood in particular as an element which is arranged in a rotationally fixed manner on a camshaft and is provided for actuating a valve to act on the corresponding valve directly or indirectly with at least one stroke
  • a shaft can be understood, which is provided for actuating a plurality of valves of a motor vehicle internal combustion engine and each having at least one cam track for actuating a valve. It is also conceivable that the camshaft is formed as an intake camshaft and is provided to actuate intake valves, as well as that the camshaft formed as an exhaust camshaft and to
  • Displacement axis in particular coaxial with a main axis of rotation of the
  • Camshaft is about which the camshaft rotates during operation, can be moved, and so an axial position of the cam member can be adjusted on the camshaft.
  • the sliding track is preferably designed in the form of a web, in the form of a slot and / or in the form of a groove
  • engaging is understood to mean in particular a positive contact, in particular the switching pin having a positive fit in two axial directions the slide track comes into contact.
  • provided is intended to be understood in particular to be specially designed and / or equipped.
  • “Rotationally fixed” is to be understood in particular as meaning that the switching pin can only be moved axially and is rotationally fixed in particular to an axis on which it is axially displaced is arranged and in particular can not rotate about this axis.
  • the actuator housing has a guide for the at least one switching pin, via which the switching pin is connected in a rotationally fixed manner to the actuator housing.
  • the shift pin is particularly easy to rotate with the
  • Actuator housing are connected.
  • a "guide for the shift pin” should be understood to mean, in particular, an element which receives the shift pin and in which the shift pin is displaceably mounted along its shift direction, wherein the guide is preferably designed as a through hole or a pocket.
  • the actuator comprises at least one positive-locking element which is arranged between the at least one switching pin and the actuator housing and connects the switching pin in a rotationally fixed manner to the actuator housing.
  • a “positive locking element” is to be understood in particular as meaning an element which is provided for a form-locking connection and which is provided by the positive-locking connection to limit one element, in particular the switching pin, in one degree of freedom
  • Positive-locking element preferably formed as a separate, independent component, but it is also conceivable that the positive-locking element is formed integrally with the switching pin or the actuator housing.
  • the actuator housing forms at least one guide element which is arranged in the guide for the at least one shift pin and in which the positive-locking element engages in an assembled state to prevent rotation of the shift pin.
  • the positive-locking element can be connected to the actuator housing in a particularly simple and advantageous form-fitting manner.
  • a "guide element" is intended to mean in particular a corresponding to the
  • Form-locking element formed element to be understood that to a
  • the guide element is designed as a long groove. Thereby, the guide element can be formed particularly advantageous.
  • the at least one shift pin has a guide element designed as a long groove, into which the positive-locking element engages in the mounted state to prevent rotation of the switch pin.
  • Positive locking element are particularly simple and advantageous form-fitting connected to the switching pin.
  • the at least one switching pin at least one
  • a "contact surface” should be understood to mean, in particular, a surface arranged on a circumference of the switch pin, which faces the slide track in an assembled state and comes into direct contact with walls of the slide track during an engagement in the slide track and thus has a force transmits the cam member, by means of which the cam member is axially displaced
  • the at least one shift pin is rotationally asymmetrical.
  • the shift pin can be formed particularly advantageous in that contact surfaces that come into contact with the shift gate, particularly advantageous can be made large and the switching pin can thus be formed particularly wear.
  • the term "rotationally asymmetrical” is to be understood asymmetrically, in particular with respect to a central axis which runs coaxially to the switching direction of the switching pin.
  • the at least one switching pin has an oval basic shape.
  • the switching pin and in particular contact surfaces of the switching pin can be formed particularly advantageously.
  • FIG. 1 is a schematic representation of an actuator according to the invention with a part of a camshaft adjusting device
  • Fig. 2 is a schematic representation of the actuator in a first
  • FIG. 3 is a detail view of a switching pin of the actuator in an actuated
  • Fig. 4 is a detail view of a switching pin of the actuator in an unactuated
  • Fig. 5 is a sectional view through an actuator, the Heidelbergpin and a
  • Fig. 6 is a sectional view through an actuator according to the invention in a
  • Fig. 7 is a schematic representation of a switching pin of an actuator in a third embodiment.
  • FIGS. 1 to 5 show a first exemplary embodiment of an actuator 25a according to the invention for a camshaft adjusting device 10a.
  • Camshaft adjusting device 10a is part of a non-illustrated
  • Automotive internal combustion engine which is intended to generate a drive energy for a motor vehicle not shown in detail.
  • Automotive internal combustion engine comprises a number of cylinders that appears appropriate to the person skilled in the art.
  • the motor vehicle internal combustion engine has two cylinders designed as inlet valves per cylinder and two valves designed as exhaust valves. In principle, it is also conceivable that the motor vehicle internal combustion engine per cylinder has a different number of valves that appears appropriate to a person skilled in the art.
  • the motor vehicle internal combustion engine comprises a camshaft 30a configured as an intake camshaft for actuating the valves designed as intake valves, and a camshaft (not shown in greater detail, designed as an exhaust camshaft) for actuating the valves designed as exhaust valves.
  • Each cylinder, each camshaft 30a each have a cam member 1 1 a.
  • the cam elements 11 a are axial
  • Cam elements 11a rotatably mounted on the corresponding camshaft 30a.
  • camshaft 30a designed as an intake camshaft and the cam elements 11a arranged thereon are to be described.
  • the description of the camshaft 30a formed as an intake camshaft and the cam elements disposed thereon can also be used to explain the camshaft formed as an exhaust camshaft and the cam elements disposed thereon.
  • the cam elements 1 1 a comprise two cam tracks 26a, 27a for each valve to be actuated.
  • the first cam tracks 26a are a first operating region and the second Cam tracks 27a associated with a second operating range of the motor vehicle internal combustion engine.
  • the second cam tracks 27a have, for example, a larger elevation than the first cam tracks 26a and thereby solve in the
  • Camshaft adjuster 10a is provided to switch the cam members 11a between the first cam tracks 26a and the second cam tracks 27a, with the first cam tracks 26a or the second cam tracks 26a, respectively
  • Cam tracks 27 a of a cam member 11 a at the same time with the corresponding valve are engaged and operate this.
  • the cam elements 11a have two switching positions. In the two switching positions, the cam elements 11a each have a different axial position on the camshaft 30a. In a first switching position of the cam member 11a, the first cam tracks 26a are engaged and actuate the corresponding valve. In a second switching position of
  • Cam member 11a, the second cam tracks 27a are engaged and actuate the corresponding valve.
  • the cam elements 11a have a different number of cam tracks 26a, 27a for each valve to be actuated.
  • the cam elements 11a each have only cam tracks 26a, 27a for actuating a valve.
  • cam element 11a For reasons of clarity, only the cam element 11a will be described in more detail below. The following description is also for the rest
  • the camshaft adjusting device 10a has in each case a first slide track 12a for displacing the cam elements 11a.
  • the slide track 12a is formed respectively by the corresponding cam member 11a.
  • the first slide track 12a is provided for the axial displacement of the cam member 1 1a from the first shift position to the second shift position.
  • the camshaft adjusting device 10a has in each case a second, not shown, for displacing the cam elements
  • the second slide track is from the corresponding
  • Cam element 11a formed.
  • the second slide track is provided for the axial displacement of the cam member 11a from the second shift position to the first shift position.
  • the corresponding slide track 12a is formed as a groove in the corresponding cam element 1 1a.
  • the slide tracks 12a are arranged on a circumference of the cam member 11a between the cam tracks 26a, 27a for actuating the one valve and the cam tracks for actuating the other valve.
  • the slide tracks 12a each have an S-shape.
  • the slide tracks 12a each have a single track segment.
  • the Einspursegmente the slide tracks 12a extend in the circumferential direction and are orthogonal to a
  • Einspursegmente have the slide tracks 12a in the direction of rotation of the cam member 1 1a a continuously increasing depth.
  • the two slide tracks 12a each have a switching segment.
  • the switching segments are inclined to the
  • Sliding track each have opposite switching directions.
  • the slide tracks 12a each have a Ausspursegment.
  • the switching segments of the slide tracks 12a each open into the corresponding Ausspursegment.
  • Ausspursegmente have a decreasing in the direction of rotation depth.
  • the actuator 25a is provided for displacing the cam member 11a.
  • Cam element 11a the camshaft adjusting device 10a comprises an actuator 25a.
  • the camshaft adjusting device 10a to each have an actuator 25a for switching two cam elements 11a.
  • the actuator 25a includes a gate pin 14a, 15a per gate track 12a.
  • the first shift pin 14a is provided for engagement in the first slide track 12a.
  • the second switching pin 5a is provided for engagement in the second slide track.
  • the switching pins 14a, 15a are formed as pins, which have a circular basic shape.
  • the switching pins 14a, 15a are formed as a cylinder.
  • the actuator 25a has an actuator housing 13a.
  • the actuator housing 13a has a cylindrical basic shape.
  • the switching pins 14a, 15a are axially displaceably guided in the actuator housing 13a.
  • the actuator housing 13a per switching pin 14a on a guide 16a, 17a.
  • the guides 16a, 17a are formed as through holes, which have a circular basic shape.
  • the formed as through holes guides 16a, 17a are parallel to a central axis of the cylindrically shaped actuator housing 13a and are in an assembled state perpendicular to a main axis of rotation of the corresponding cam member 1 a and the corresponding camshaft 30a.
  • the guides for the corresponding switching pins 14a, 15a in a fitted state are in each case directly above the corresponding engagement segment of the corresponding slide track 12a, so that the guide pin 14a guided in the guide can engage in the corresponding slide track 12a.
  • the switching pins 14a, 15a are disposed within the actuator 25a.
  • the guide track 12a facing ends of the switching pins 14a, 15a are disposed within the actuator housing 13a.
  • the switching pins 14a, 15a are in the unactuated state does not have a
  • the end of the corresponding shift pin 14a, 15a facing the slide track 12a extends beyond the first end of the actuator housing 13a facing the slide track 12a and engages in the corresponding guide track 12a.
  • the switching pins 14a, 15a project beyond the actuator housing 13a.
  • the actuator 25 a comprises an actuator element, not shown in detail, in which the on the second end on the
  • Actuator housing 13a protruding ends of the switching pins 14a, 15a engage.
  • the actuator element is designed as an electromagnetic actuator element.
  • the actuator element not shown, has at least one electromagnetic coil, which can exert an actuating force on the switching pins 14a, 15a.
  • Actuator element can be the two switching pins 14a, 15a independently switch in the actuated state or in the unactuated state. In a de-energized state of the actuator 25a, the switching pins 14a, 15a are each in their unactuated state.
  • the camshaft member 1 1 a For switching the camshaft member 1 1 a from its first switching position to the second switching position of the first shift pin 14a is switched to an actuated state when the Einspursegment the first slide track 12a is below the first shift pin 14a.
  • the switching pin 14a is directed via the Einspursegment in the first slide track 12a. Due to the oblique switching segment, the stationary shift pin 14a comes into contact with a wall 28a of the slide track 12a and shifts by turning away the slide track 12a under the shift pin 14a, the cam member 1 1 a over the course of the switching segment from the first switching position to the second
  • the two switching pins 14a, 15a are equivalently arranged in the actuator housing 13a, for which reason only the first switching pin 14a and its fastening and mounting in the actuator housing 13a will be described in more detail below, wherein these
  • the switching pin 14a is disposed in the guide in the actuator housing 13a.
  • the shift pin 14a is rotationally fixed in the actuator housing 13a
  • the switching pin 14a is thereby axially displaceable only along the switching direction in the guide 16a. Due to the rotationally fixed arrangement of the switching pins 14a, 15a to the actuator housing 13a, a rotation of the switching pins 14a, 15a in the guide 16a is prevented. By switching off a rotation of the switching pins 14a, 15a, the switching pin 14a always has the same orientation relative to the cam element 11a and in particular to the slide tracks 12a. In this case, the shift pin 14a is rotatably connected to the actuator housing 13a via the guide 16a in which the shift pin 14a is mounted.
  • the form-fitting element 18a is arranged between the switching pin 14a and the actuator housing 13a and thereby connects the switching pin 14a in a form-fitting manner with the actuator housing 13a.
  • the form-locking element 18a is designed as a cylinder.
  • the actuator housing 13a forms a guide element i a, which is provided for a positive connection with the positive-locking element 18a.
  • the positive-locking element 18a engages in the guide element 9a of the actuator housing 13a to prevent rotation of the switching pin 14a, 15a in an assembled state of the switching pin 14a, 15a.
  • the guide member 19a of the actuator housing 13a is formed as a long groove. This has trained as a long groove
  • Guide element 19 a has an extension which is at least twice as large as a length of the form-fitting element 18 a.
  • the trained as a long groove guide member 19a is inserted into a wall of the guide 16a, in which the switching pin 14a is guided.
  • the guide element 19a is arranged on the second, the actuator element facing the end of the actuator housing 13a. That's it
  • the guide element 19a is semicircular in shape, so that the cylindrically shaped positive-locking element 18a has a positive fit in the Guide element 19a can engage.
  • the positive-fit element 18 a slides in the guide element 19 a of the
  • Actuator housing 13a Actuator housing 13a.
  • the extent of the guide element 19a is also formed corresponding to the positive-locking element 8a and the positive-locking element 18a is thereby rigidly connected to the actuator housing 13a via the guide element 19a.
  • the form-locking element 18a is connected via a fit firmly with the guide element 19a, whereby the positive-locking element 18a is arranged stationary in the guide member 19a and in particular can no longer slide in the guide member 19a.
  • the switching pin 14a has a guide element 21a.
  • the positive locking element 18a engages in the assembled state to prevent rotation of the switch pin 14a in the
  • the switching pin 14a is non-rotatably connected to the actuator housing 13a via the form-locking element 18a, which is positively connected to its guide element 21a and is positively connected to the actuator housing 13a via the guide element 19a of the actuator housing 13a.
  • the guide element 21a of the switching pin 14a is formed as a long groove. In this case, the guide element 21a is formed corresponding to the outer contour of the positive-locking element 18a.
  • the guide element 21a is semicircular, so that the cylindrically shaped positive-locking element 18a
  • the guide elements 19a, 21a of the switch pin 14a and the actuator housing 13a are arranged so that a load on the guide elements 19a, 21a at a maximum load of the switching pin 14a is the lowest.
  • the switching pin 14a has two contact surfaces 23a, 24a, with which the switching pin 14a during an adjustment of the cam member 11a with a wall 28a, 29a of Slide track 12a is in direct contact.
  • the contact surfaces 23a, 24a are specially treated.
  • the contact surfaces 23a, 24a have a hardness which is greater than the hardness of the remaining switching pins 14a, 15a. This advantageously reduces wear on the contact surfaces 23a, 24a of the switching pin 14a and advantageously extends a service life of the switching pin 14a, 15a.
  • the contact surfaces 23a, 24a are treated by a surface hardening process which appears expedient to the person skilled in the art. Basically, it is also conceivable that the hardness of the contact surfaces 23a, 24a by a suitable
  • FIGS. 6 and 7 show two further exemplary embodiments of the invention. The following descriptions are essentially limited to the differences between the embodiments, with respect to constant components,
  • FIG. 6 shows a second exemplary embodiment of an actuator 25b according to the invention for a camshaft adjusting device 10b.
  • the camshaft adjusting device 10b is part of a motor vehicle engine, not shown.
  • Each cylinder, each camshaft of the motor vehicle engine each have a cam element.
  • the cam elements are mounted axially displaceable on the corresponding camshaft.
  • the cam elements comprise two cam tracks per valve to be actuated.
  • the camshaft adjusting device has in each case a first slide track for displacing the cam elements.
  • the slide track is formed in each case by the corresponding cam element.
  • the actuator 25b is provided for displacing the cam member.
  • the actuator 25b comprises a gate pin 14b, 15b per gate track.
  • the switching pins 14b, 15b are formed as pins, which have a circular basic shape.
  • the actuator 25b has a positive-locking element 18b.
  • the form-fitting element 18b is between the switching pin 14b, 15b and the actuator 13b arranged and connects the shift pin 14b, 15b thereby form-fitting manner with the actuator housing 13b.
  • the positive-locking element 18b is formed as a ball.
  • the ball-shaped positive-locking element 18b is slidably disposed in guide elements 19b, 21b of the switching pin 14b, 15b and the actuator housing 13b, as in the first exemplary embodiment, and connects the switching pin 14b, 15b to the actuator housing 13b in a form-fitting manner.
  • the positive-locking element 18b it would also be conceivable for the positive-locking element 18b to have another shape, which appears to the person skilled in the art as meaningful. It is conceivable that the positive locking element 18b is formed, for example, rectangular or cuboid.
  • FIG. 7 shows a third exemplary embodiment of an actuator 25 c according to the invention for a camshaft adjusting device.
  • the camshaft adjusting device is part of a motor vehicle engine, not shown.
  • each camshaft 30c of the motor vehicle internal combustion engine has a respective cam element 11c.
  • the cam elements 11c are axially displaceably mounted on the corresponding camshaft 30c.
  • the cam elements 11c comprise two cam tracks per valve to be actuated.
  • the camshaft adjusting device has in each case a first slide track 12c for displacing the cam elements 11c.
  • the slide track 12c is formed respectively by the corresponding cam member 1c.
  • the actuator 25c is provided for shifting the cam member 11c.
  • the actuator 25c includes a gate pin 14c per gate track.
  • the switching pins 14c are formed as pins. In contrast to the preceding exemplary embodiments, the switching pins 14c of the actuator 25c are rotationally asymmetrical.
  • the switching pin 14c has an oval basic shape. As a result, an area in which the shift pin 14c is in contact with walls of the slide track 12c during a switching operation of the cam element 11c is larger than in a circular basic shape, whereby a

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Valve Device For Special Equipments (AREA)

Abstract

L'invention concerne un actionneur, destiné à un dispositif de déphasage d'arbre à cames (10a; 10b; 10c) qui comporte au moins un élément came (11a), mobile axialement, et au moins une piste de coulissement (12a; 12c) permettant le coulissement dudit au moins un élément came (11a), comprenant un boîtier d'actionneur (13a; 13b) et au moins une tige de commande (14a, 15a; 14b, 15b; 14c) qui est montée en mobilité axiale dans le boîtier d'actionneur (13a; 13b) et qui sert à déplacer l'élément came (11a) pour qu'il s'engage dans la ou les pistes de coulissement (12a; 12c), la ou les tiges de commande (14a, 15a; 14b, 15b; 14c) étant montées solidaires en rotation dans le boîtier d'actionneur (13a; 13b).
PCT/EP2014/000095 2013-01-29 2014-01-16 Actionneur pour dispositif de déphasage d'arbre à cames WO2014117916A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013001487.5 2013-01-29
DE201310001487 DE102013001487A1 (de) 2013-01-29 2013-01-29 Aktuator für eine Nockenwellenverstellvorrichtung

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Publication Number Publication Date
WO2014117916A1 true WO2014117916A1 (fr) 2014-08-07

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PCT/EP2014/000095 WO2014117916A1 (fr) 2013-01-29 2014-01-16 Actionneur pour dispositif de déphasage d'arbre à cames

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WO (1) WO2014117916A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015217886A1 (de) * 2015-09-17 2017-03-23 Thyssenkrupp Ag Verschiebeelement zum Verschieben eines Nockensegmentes
DE102016116777A1 (de) * 2016-09-07 2018-03-08 Kendrion (Villingen) Gmbh Elektromagnetische Stellvorrichtung insbesondere zum Verstellen von Nockenwellen eines Verbrennungsmotors
DE102016012813A1 (de) 2016-10-01 2017-04-27 Daimler Ag Aktor für eine Nockenwellenverstellvorrichtung einer Verbrennungskraftmaschine

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