EP2459852A2 - Arbre à cames comportant un dispositif de réglage d'arbre à cames - Google Patents

Arbre à cames comportant un dispositif de réglage d'arbre à cames

Info

Publication number
EP2459852A2
EP2459852A2 EP10814687A EP10814687A EP2459852A2 EP 2459852 A2 EP2459852 A2 EP 2459852A2 EP 10814687 A EP10814687 A EP 10814687A EP 10814687 A EP10814687 A EP 10814687A EP 2459852 A2 EP2459852 A2 EP 2459852A2
Authority
EP
European Patent Office
Prior art keywords
camshaft
tube
elements
interior
actuating
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
Application number
EP10814687A
Other languages
German (de)
English (en)
Other versions
EP2459852B1 (fr
Inventor
Jonathan Heywood
Sebastian Wappler
Mario Lindner
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Thyssenkrupp Dynamic Components Teccenter AG
Original Assignee
ThyssenKrupp Presta TecCenter 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 ThyssenKrupp Presta TecCenter AG filed Critical ThyssenKrupp Presta TecCenter AG
Publication of EP2459852A2 publication Critical patent/EP2459852A2/fr
Application granted granted Critical
Publication of EP2459852B1 publication Critical patent/EP2459852B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • F01L9/00—Valve-gear or valve arrangements actuated non-mechanically
    • F01L9/20—Valve-gear or valve arrangements actuated non-mechanically by electric means
    • 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
    • F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
    • F01L1/344—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear
    • 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
    • F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
    • F01L1/344—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear
    • F01L1/3442—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear using hydraulic chambers with variable volume to transmit the rotating force
    • 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
    • F01L2001/0475—Hollow camshafts
    • 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
    • F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
    • F01L1/344—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear
    • F01L1/3442—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear using hydraulic chambers with variable volume to transmit the rotating force
    • F01L2001/34423—Details relating to the hydraulic feeding circuit
    • F01L2001/34426—Oil control valves
    • 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
    • F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
    • F01L1/344—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear
    • F01L1/3442—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear using hydraulic chambers with variable volume to transmit the rotating force
    • F01L2001/34423—Details relating to the hydraulic feeding circuit
    • F01L2001/34426—Oil control valves
    • F01L2001/3443—Solenoid driven oil control valves
    • 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
    • F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
    • F01L1/344—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear
    • F01L1/3442—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear using hydraulic chambers with variable volume to transmit the rotating force
    • F01L2001/34423—Details relating to the hydraulic feeding circuit
    • F01L2001/34426—Oil control valves
    • F01L2001/34433—Location oil control valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L2301/00—Using particular materials
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L2820/00—Details on specific features characterising valve gear arrangements
    • F01L2820/04—Sensors
    • F01L2820/041—Camshafts position or phase sensors

Definitions

  • the invention relates to a camshaft for actuating the gas exchange valves of an internal combustion engine, with a camshaft tube, a hydraulic camshaft adjuster, a valve for controlling the camshaft adjuster supplied hydraulic fluid and arranged in the interior of the camshaft tube actuator for actuating the valve, which secured in the axial direction against displacement is.
  • a camshaft with the features of the preamble of claim 1 is known from WO 2009/009328 A1.
  • the actuator is formed in this known camshaft as an electromagnet (solenoid), which does not rotate with a rotation of the camshaft with the camshaft tube.
  • the solenoid is always cylinder head fixed, i. it is firmly connected to the cylinder head of the engine. Two different embodiments are described how the solenoid can be arranged in the interior of the camshaft.
  • the solenoid is mounted on the one hand via a arranged in the interior of the camshaft tube bearing element and on the other hand via a tubular connecting element and an end piece fixedly connected to the cylinder head of the engine.
  • the tubular shaft or torque tube 116 can also be used to guide cables to power the solenoid.
  • the solenoid over the first embodiment has an increased length and is directly attached even to the cylinder head / engine block of the engine, so that can be dispensed with the required in the first embodiment, the bearing element and the tubular connecting element.
  • the invention is based on the object to provide a camshaft for actuating the gas exchange valves of an internal combustion engine with the features of the preamble of claim 1, which has a low weight and in addition to the actuator and possibly the valve even more functional elements in the interior of the camshaft can be integrated. It should also be possible to arrange at the camshaft adjuster opposite end of the camshaft, an oil or vacuum pump, which is driven by the camshaft.
  • the actuating device for actuating the valve is designed as an electromagnetic or piezoelectric actuator and rotatable. firmly connected to the camshaft tube. Therefore, in the present invention, the actuator rotates with the camshaft and no separate holding and connecting elements are required for holding the actuator in the camshaft tube and attaching it to the cylinder head. Also, an extension of the actuator in the axial direction to directly, ie without separate holding and connecting elements, to attach to the cylinder head / engine block is not required. The arranged next to the actuator interior of the camshaft tube remains free and can be used for the introduction of other functional elements in the camshaft or for other uses.
  • an oil or vacuum pump can be arranged in the invention easily, which is driven by the camshaft.
  • the designer has compared to the known from the prior art solution on other opportunities for the use of existing by the camshaft rotation drive energy.
  • the actuator is non-positively or positively or force and positively pressed into the interior of the camshaft tube.
  • the actuator can not or only with greater difficulty removed from the camshaft tube, for example, if it is defective. In the case of a defect of the actuator then usually the entire camshaft must be replaced.
  • the connection between the actuation device and the camshaft tube is a detachable connection.
  • a detachable connection may be, for example, a latching connection or a screw connection.
  • crankshaft tube In order to be able to supply power to the actuating device, rotationally fixedly provided in the interior of the camshaft tube with this connected power supply means.
  • These may e.g. be designed as electrical lines, which are connected on the one hand with the camshaft tube and on the other hand with the actuating device.
  • the power supply means the current is fed via non-rotatably connected to the camshaft tube elements according to an embodiment of the invention.
  • These elements may e.g. be arranged on the outer circumference of the camshaft tube or in the interior of the camshaft tube.
  • the elements may be e.g. be designed as annular brushes, slip rings or induction coils.
  • the non-rotatably connected to the camshaft tube elements may be associated with stationary means by which the current for the supply of the actuator is transmitted to the co-rotating with the camshaft elements or induced in these elements.
  • These stationary means can e.g. be designed as stationary brushes, sliding contacts or electromagnetic coils.
  • the non-rotatably connected to the camshaft tube elements encoder elements and the stationary means have sensor elements of a camshaft position determining device.
  • the components required for power transmission can be used simultaneously to form a required anyway in most applications position determining device for determining the rotational position of the camshaft.
  • the valve is arranged in the interior of the camshaft tube and rotatably connected thereto. This integration of the valve into the interior of the camshaft tube, the actuation of the valve is facilitated by the actuator and it can be required for the camshaft axial space to be further reduced.
  • the invention will be explained in more detail with reference to a drawing illustrating an embodiment. Show in detail
  • Fig. 2 shows a first way of power supply for the power supply of
  • FIG. 5 shows a camshaft according to the invention in a comparison with FIG. 1 other embodiment
  • FIG. 6 a camshaft according to the invention in a comparison with FIG. 1 and FIG. 5 other embodiment
  • FIG. 7 shows a camshaft according to the invention with a camshaft position determining device integrated in the power supply device.
  • Fig. 1 shows a camshaft according to the invention in axial half section.
  • a hydraulic camshaft adjuster 2 is arranged in a conventional manner.
  • Such camshaft adjusters have drive elements which are directly or indirectly connected to the crankshaft of the internal combustion engine and driven by the latter.
  • Nockenwellenversteller with the camshaft tube 1 connected adjusting elements, which can be rotated by hydraulic actuation relative to the drive elements to realize a phase adjustment of the camshaft relative to the crankshaft.
  • Such known camshaft adjuster 2 are controlled by hydraulic valves. This means that a hydraulic phaser over a hydraulic valve in a manner required for the desired adjustment, the adjustment causing hydraulic fluid is supplied. As a result of the hydraulic fluid, the part of the camshaft adjuster 2 connected in a rotationally fixed manner to the camshaft tube 1 is rotated relative to the part of the camshaft adjuster 2 driven by the crankshaft.
  • the hydraulic valve 3 is arranged in the interior 4 of the camshaft and rotatably connected to the camshaft tube 1.
  • the hydraulic valve 3 actuated actuator 5 is disposed in the interior 4 of the camshaft tube 1 and rotatably connected thereto.
  • the actuating device 5 is designed as an electromagnetic or piezoelectric or electrical actuator.
  • the actuator 5 Since the actuator 5 is rotatably connected to the camshaft tube 1, it is not necessary to provide separate fasteners with which the actuator is directly or indirectly connected to the engine block / cylinder head of the engine.
  • the whole, starting in Fig. 1 from the actuator 5 to the right, i. extending to the camshaft adjuster opposite camshaft end, extending interior 4 of the camshaft tube 1 remains free, so that in this free area of the interior 4, for example, further functional elements of a camshaft can be integrated. It would be conceivable, for example, the integration of a ⁇ labscheidevoriques for separating oil from so-called blow-by gas. But other uses for the remaining free space 4 are possible in the camshaft according to the invention.
  • the actuator 5 has been pressed in the embodiment of FIG. 1 in the camshaft tube 1, so that it is non-positively and / or positively connected to the camshaft tube 1.
  • the connection between the actuating device 5 and the camshaft tube 1 can also be designed as a releasable connection.
  • the actuating device 5 for example, with the inner wall of the camshaft tube 1 a clearance fit bil- and axially fixed by a introduced into the camshaft tube 1 or cooperating with this fixing.
  • a fixing element may for example be a snap ring which is inserted into a corresponding groove in the inner wall of the camshaft tube 1.
  • a locking lug on the actuating device would be conceivable, which engages in a corresponding recess in the camshaft tube 1.
  • these embodiments of the invention are not shown in FIG. 1.
  • a releasable connection between the actuator 5 and the camshaft tube 1 has the advantage that the actuator 5 can be easily replaced if it is damaged. It is not necessary in this case to replace the entire camshaft.
  • the rotatably connected to the camshaft tube 1 actuator 5 is supplied via non-rotatably connected to the camshaft tube 1 power supply means 6 with power. These are indicated only schematically in FIG. In the illustrated embodiment, the power supply takes place from the radial direction from outside the camshaft tube 1.
  • the power supply means 6 may be formed differently and arranged differently. This will be discussed further below.
  • the actuating device 5 has an actuating pin 11.
  • the actuating pin 11 acts on an axially displaceable control piston of the hydraulic valve 3, by which in turn the hydraulic fluid supplied to the camshaft adjuster is controlled.
  • the actuating pin 11 operates against a return spring 12, through which the control piston of the valve 3 is pushed back into an initial position or is withdrawn when no force is exerted on the control piston 11 of the actuating pin.
  • a first way is shown how the actuator 5, the necessary power can be supplied.
  • the power supply means 6 are rotatably connected to the camshaft tube first connected element 7 connected.
  • the element 7 is designed as a co-rotating with the camshaft brush element.
  • the element 7 is associated with a stationary means 8, by which the current for the supply of the actuator 5 is transmitted to the element 7.
  • the means 8 according to the embodiment of Fig. 2 is a stationary arranged brush element.
  • a different power supply device is provided in comparison to FIG. 3.
  • the rotatably connected to the camshaft tube 1 element 7 is formed as a slip ring.
  • the slip ring acts together with an associated means 8, which is designed as a sliding contact.
  • the current required for the actuator 5 is generated by induction.
  • the rotatably connected to the camshaft tube 1 element 7 has a first induction coil 13.
  • the element 7 is associated with a stationary means 8, which also has a coil 14 which can be supplied with power.
  • the possibilities for supplying current to the actuating device 5 illustrated in FIGS. 2, 3 and 4 are merely exemplary. Other arrangements and configurations of the power supply devices are conceivable.
  • the power supply does not have to be in the radial direction, but it can also be done in the axial direction.
  • the power supply means can be integrated into the interior 4 of the camshaft tube 1 and the power supply can be effected in the axial direction.
  • Fig. 5 shows a comparison with FIG. 1 modified embodiment of the invention.
  • the actuating device 5 is formed integrally with the hydraulic valve 3 in this embodiment of the invention.
  • the housing of the actuating device 5 is integrally formed with the housing of the valve 3 or that these two housing formed at least as a built assembly which can be pre-assembled in the camshaft before assembly. This allows a simpler installation can be achieved.
  • the control piston of the hydraulic valve 3 is not actuated via an actuating pin 11 of the actuator 5, as shown in Fig. 1, but that the control piston of the valve 3 is fixedly connected to the armature of the electromagnetic actuator 5 or that the control piston of the valve 3 itself forms the armature of the electromagnetic actuator 5.
  • the actuator 5 is supplied via rotatably connected to the camshaft tube 1 lines 15 with power.
  • a first induction coil 13 is arranged rotationally fixed.
  • the first induction coil 13 rotates together with the camshaft tube 1 relative to a stationarily arranged and current-carrying second coil 14. In this way, the required for the actuation of the actuator 5 current is generated by induction in the induction coil 13 and fed via lines 15 of the actuator.
  • FIG. 6 shows an embodiment of the invention with a current supply in the axial direction to the actuating device 5.
  • a slip-ring sleeve 16 is inserted in a rotationally fixed manner.
  • the slip ring sleeve 16 has slip rings 17, 18.
  • a stationary line feed 19 is arranged, which is in contact with the rotating slip rings 17, 18 via sliding contacts 20, 21.
  • the line feed 19 has current-carrying wires, via which the current required for the activation of the actuating device 5 is supplied to the sliding contacts 20, 21.
  • the control current is transmitted to the lines 15 and the actuator 5 is supplied.
  • the line feed 19 is held centered in the interior of the slip ring sleeve 16.
  • the annular element 22 may optionally have a seal against oil (eg from the vicinity of the camshaft).
  • the annular element 22 may also be designed as a bearing, for example as a roller bearing.
  • a trained as a bearing element 22 may also include a sealing element, so that in addition to the bearing function and a sealing function is met.
  • a donor element 9 is integrated in the non-rotatably connected to the camshaft tube 1 element 7 with the first induction coil 13.
  • the co-rotating donor element 9 may, for example, a stepped metallic sensor ring such. be known from the prior art basically known so-called trigger wheel.
  • the sensor ring may be e.g. be formed of plastic with cast metallic particles or as a sensor ring made of plastic with integrated metallic segments.
  • a sensor element 10 is integrated in the stationarily arranged means 8, which is associated with the non-rotatably connected to the camshaft tube 1 element 7, in addition to the second current-charged induction coil 14, a sensor element 10 is integrated.
  • known camshaft position sensors such as e.g. so-called Hall sensors or magnetoresistive position sensors in question.
  • other sensor elements can be used. It is not important according to the invention which donor element or which sensor element or which combination of donor element and sensor element is used, but that the donor element and the sensor element are integrated in the elements 7 and means 8 of the power supply device. A separate camshaft position determining device is therefore not required.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve Device For Special Equipments (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)

Abstract

L'invention concerne un arbre à cames pour l'actionnement des soupapes d'échange de gaz d'un moteur à combustion interne, comportant un tube d'arbre à cames (1), un dispositif hydraulique de réglage d'arbre à cames (2), une soupape (3) pour la commande du liquide hydraulique fourni au dispositif de réglage d'arbre à cames (2) et un dispositif d'actionnement (5) pour actionner la soupape (3), disposé dans l'espace intérieur (4) du tube d'arbre à cames (1), fixé contre le coulissage dans la direction axiale. L'invention vise à mettre en oeuvre un tel arbre à cames de faible poids et permettant l'intégration, en plus du dispositif d'actionnement et éventuellement de la soupape, d'autres éléments fonctionnels dans l'espace intérieur de l'arbre à cames, et la disposition d'une pompe à huile ou à vide pouvant être entraînée par l'arbre à cames, sur l'extrémité de l'arbre à cames opposée au dispositif de réglage d'arbre à cames. A cet effet, le dispositif d'actionnement (5) est conçu en tant qu'actionneur électromagnétique, piézo-électrique ou électrique et relié solidaire en rotation au tube d'arbre à cames (1).
EP10814687.9A 2009-07-31 2010-07-10 Arbre à cames comportant un dispositif de réglage d'arbre à cames Active EP2459852B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009035632A DE102009035632B3 (de) 2009-07-31 2009-07-31 Nockenwelle mit Nockenwellenversteller
PCT/EP2010/004219 WO2011060840A2 (fr) 2009-07-31 2010-07-10 Arbre à cames comportant un dispositif de réglage d'arbre à cames

Publications (2)

Publication Number Publication Date
EP2459852A2 true EP2459852A2 (fr) 2012-06-06
EP2459852B1 EP2459852B1 (fr) 2014-12-10

Family

ID=43571265

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10814687.9A Active EP2459852B1 (fr) 2009-07-31 2010-07-10 Arbre à cames comportant un dispositif de réglage d'arbre à cames

Country Status (6)

Country Link
US (1) US8844482B2 (fr)
EP (1) EP2459852B1 (fr)
JP (1) JP2013501179A (fr)
CN (1) CN102482956B (fr)
DE (1) DE102009035632B3 (fr)
WO (1) WO2011060840A2 (fr)

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DE102011055651B4 (de) * 2011-11-23 2017-12-07 Thyssenkrupp Presta Teccenter Ag Nockenwellenbaugruppe
DE102013001016A1 (de) * 2013-01-22 2014-07-24 GM Global Technology Operations LLC (n. d. Gesetzen des Staates Delaware) Nockenwellen-Anordnung für eine Brennkraftmaschine eines Kraftfahrzeugs
DE102013103895A1 (de) 2013-04-17 2014-10-23 Hilite Germany Gmbh Nockenwellenverstellvorrichtung mit rotierendem Aktuator
DE102016201851A1 (de) * 2016-02-08 2017-08-10 Robert Bosch Gmbh Sensorvorrichtung zur Bestimmung mindestens einer Rotationseigenschaft eines rotierenden Elements
EP3561243B1 (fr) * 2018-04-26 2021-01-13 Volvo Car Corporation Agencement d'arbre à cames

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Also Published As

Publication number Publication date
US8844482B2 (en) 2014-09-30
DE102009035632B3 (de) 2011-03-17
WO2011060840A3 (fr) 2011-07-14
US20130068180A1 (en) 2013-03-21
EP2459852B1 (fr) 2014-12-10
CN102482956A (zh) 2012-05-30
WO2011060840A2 (fr) 2011-05-26
JP2013501179A (ja) 2013-01-10
CN102482956B (zh) 2014-10-22

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