EP1509684A1 - Vorrichtung zur relativen winkelverstellung zwischen zwei rotierenden elementen - Google Patents
Vorrichtung zur relativen winkelverstellung zwischen zwei rotierenden elementenInfo
- Publication number
- EP1509684A1 EP1509684A1 EP03722513A EP03722513A EP1509684A1 EP 1509684 A1 EP1509684 A1 EP 1509684A1 EP 03722513 A EP03722513 A EP 03722513A EP 03722513 A EP03722513 A EP 03722513A EP 1509684 A1 EP1509684 A1 EP 1509684A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- rotor
- rotating elements
- actuator
- rotating
- operative connection
- 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
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
- 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
-
- 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
- F01L2800/00—Methods of operation using a variable valve timing mechanism
- F01L2800/12—Fail safe operation
Definitions
- the invention relates to a device for the relative angle adjustment between two rotating, drive-connected elements according to the preamble of claim 1.
- a sprocket is assigned to the camshaft in the drive from the crankshaft, which drives the camshaft by means of a transmission element.
- the transmission link allows the relative angular position of the two rotating elements to be changed. This change is brought about by an electric actuator, the rotor of which acts on an actuating shaft of the transmission element and which rotates in every operating state of the device.
- the invention has for its object to provide a device in which the actuator has a low electrical energy consumption and the device has a safe emergency operation.
- An important advantage of the invention is that in normal operation the transmission element can be blocked with the relative angular position of the two rotating elements unchanged and the actuator does not require any energy. This leads to an overall lower energy consumption and thus to a lower thermal load on the actuator. Should there still be an inadmissible heating of the actuator, it can be stopped for cooling while the internal combustion engine is running, without this leading to an uncontrolled adjustment of the relative angular position of the two rotating elements.
- the transmission in which when the actuator is de-energized, the rotor of which is operatively connected to at least one of the rotating elements, the transmission is automatically blocked if the actuator fails. tion member, thus a trouble-free emergency operation is guaranteed.
- 1 denotes a rotating element which is designed as a camshaft.
- a further rotating element 2 which is designed as a chain wheel, is assigned to the rotating element 1 in the drive of a crankshaft, not shown, of the internal combustion engine.
- the rotating element 2 drives the rotating element 1 by means of a transmission link 3, so that the rotating element 1 and the rotating element 2 have the same speed.
- the rotating element 2, which carries a chain on its circumference, is arranged concentrically with the rotating element 1 and surrounds it, the transmission element 3 being located between the rotating element 1 and the rotating element 2.
- This transmission member 3 can be used, for example, as a planetary gear, swash plate gear or the like. be formed and has an actuating shaft 4 which is acted upon by a rotor 5a of an electric actuator 5. The drive torque required for the adjustment is generated between the rotor 5a and a stator 5b of the actuator 5.
- the relative rotation of the two rotating elements 1, 2 can be changed by a relative rotation of the adjusting shaft 4.
- the relative rotation of the actuating shaft 4 is effected via the rotor 5a of the actuator 5.
- the actuating shaft 4 can be operatively connected to one of the rotating elements 1 or 2, the operative connection between the actuating shaft 4 and the rotating element 2 being shown in the exemplary embodiment.
- the control shaft 4 is operatively connected to the rotating element 2 by the rotor 5a of the actuator 5, which is axially displaceably connected to the control shaft 4. Through the operative connection of the control shaft 4 with the rotating element 2, the transmission member 3 is blocked, whereby the relative angular position of the two rotating elements 1 and 2 remains constant.
- the rotor 5a When the actuator is de-energized, the rotor 5a is operatively connected to the rotating element 2.
- the operative connection between the rotor 5a and the rotating element 2 takes place through an axial force application F A1 of the rotor 5a, the application being generated by means of a plate spring 6.
- Other operating principles can also be used to generate this axial force F A ⁇ .
- an axial force component F A2 between the stator 5b and the rotor 5a of the actuator 5 is effective. This can be done, for example, by an axial offset 7 between stator 5b and rotor 5a, since this offset 7 causes the magnetic force effect between rotor 5a and stator 5b to cause this axial force component F A2 .
- the rotor 5a In order not to mount the rotor 5a fixed to the housing and thereby generate frictional losses, the rotor 5a is mounted on the rotating element 1, bearing on another rotating element, such as the setting shaft 4, also being conceivable.
- the operative connection between the actuating shaft 4 and one of the rotating elements 1, 2 can also take place by means of a component which is not shown here and which can be controlled separately.
- the component can be designed as a frictional connection element, such as a brake, and / or as a form-locking connection element, such as a clutch, and / or a non-positive connection element, such as a magnetic coupling.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Valve Device For Special Equipments (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2002124446 DE10224446A1 (de) | 2002-06-01 | 2002-06-01 | Vorrichtung zur relativen Winkelverstellung zwischen zwei rotierenden Elementen |
DE10224446 | 2002-06-01 | ||
PCT/EP2003/004105 WO2003102381A1 (de) | 2002-06-01 | 2003-04-19 | Vorrichtung zur relativen winkelverstellung zwischen zwei rotierenden elementen |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1509684A1 true EP1509684A1 (de) | 2005-03-02 |
EP1509684B1 EP1509684B1 (de) | 2009-06-03 |
Family
ID=29432565
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03722513A Expired - Fee Related EP1509684B1 (de) | 2002-06-01 | 2003-04-19 | Vorrichtung zur relativen winkelverstellung zwischen zwei rotierenden elementen |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1509684B1 (de) |
JP (1) | JP4370244B2 (de) |
DE (2) | DE10224446A1 (de) |
WO (1) | WO2003102381A1 (de) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7824271B2 (en) * | 2002-06-01 | 2010-11-02 | Daimler Ag | Device for adjusting the relative angular position of two rotating elements |
DE102004043548B4 (de) | 2004-09-09 | 2013-04-18 | Daimler Ag | Vorrichtung zur Winkelverstellung zwischen zwei rotierenden, antriebsverbundenen Elementen |
DE102004061674B4 (de) | 2004-10-22 | 2019-09-12 | Schaeffler Technologies AG & Co. KG | Verfahren zum Betreiben einer Brennkraftmaschine |
DE102004051427A1 (de) * | 2004-10-22 | 2006-05-11 | Ina-Schaeffler Kg | Verfahren zum Betreiben einer Brennkraftmaschine |
DE102005022201B3 (de) | 2005-05-13 | 2006-06-08 | Daimlerchrysler Ag | Nockenwellenverstelleinrichtung |
DE102005059575B4 (de) | 2005-12-14 | 2022-03-17 | Robert Bosch Gmbh | Verfahren zum Betreiben einer Verbrennungskraftmaschine |
DE102005059884A1 (de) | 2005-12-15 | 2007-07-05 | Schaeffler Kg | Nockenwellenversteller |
DE102005059840A1 (de) | 2005-12-15 | 2007-06-28 | Schaeffler Kg | Nockenwellenversteller |
DE102005059860A1 (de) | 2005-12-15 | 2007-07-05 | Schaeffler Kg | Nockenwellenversteller |
DE102006007651A1 (de) | 2006-02-18 | 2007-09-06 | Schaeffler Kg | Nockenwellenversteller mit einem Überlagerungsgetriebe |
DE102006007584A1 (de) | 2006-02-18 | 2007-08-30 | Schaeffler Kg | Nockenwellenversteller mit einem Überlagerungsgetriebe |
DE102006016650B4 (de) | 2006-04-08 | 2019-05-16 | Schaeffler Technologies AG & Co. KG | Nockenwellentrieb für eine Brennkraftmaschine |
DE102006033425A1 (de) | 2006-07-19 | 2008-02-21 | Schaeffler Kg | Gruppe mehrerer Nockenwellen mit Nockenwellenverstellern |
DE102007049072B4 (de) | 2007-10-12 | 2020-06-18 | Schaeffler Technologies AG & Co. KG | Phasenversteller für eine Brennkraftmaschine mit einer Oldham-Kupplung |
DE102007054546A1 (de) | 2007-11-15 | 2009-05-20 | Schaeffler Kg | Elektromechanisches Verstellsystem |
DE102008022931A1 (de) | 2008-05-09 | 2009-11-12 | Schaeffler Kg | Anordnung zur Montage eines Phasenstellers |
DE102008022932B4 (de) | 2008-05-09 | 2021-08-05 | Schaeffler Technologies AG & Co. KG | Montageanordnung eines Phasenstellers und Phasensteller |
DE102008031505A1 (de) * | 2008-07-03 | 2010-01-07 | Daimler Ag | Nockenwelleneinheit |
DE102008031976A1 (de) | 2008-07-07 | 2010-01-14 | Schaeffler Kg | Phasenstellanordnung einer Brennkraftmaschine |
DE102008043671A1 (de) * | 2008-11-12 | 2010-05-20 | Zf Friedrichshafen Ag | Verstellsystem für Nockenwellen einer Brennkraftmaschine |
DE102011104426A1 (de) * | 2011-06-16 | 2012-12-20 | Daimler Ag | Nockenwellenverstellvorrichtung |
DE102014008155A1 (de) | 2014-05-30 | 2015-12-17 | Daimler Ag | Nockenwellenverstellvorrichtung |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58162708A (ja) * | 1982-03-24 | 1983-09-27 | Toyota Motor Corp | 内燃機関のバルブタイミング制御装置 |
DE3607256A1 (de) * | 1986-03-05 | 1987-09-10 | Bayerische Motoren Werke Ag | Vorrichtung zum gesteuerten/geregelten verstellen der relativen drehlage eines getriebenen zu einem treibenden maschinenteil |
DE4101676A1 (de) * | 1991-01-22 | 1992-07-23 | Schaeffler Waelzlager Kg | Verstellvorrichtung fuer eine nockenwelle |
DE4110195C2 (de) * | 1991-03-28 | 2000-02-10 | Schaeffler Waelzlager Ohg | Verstellvorrichtung für eine Nockenwelle |
GB2268245A (en) * | 1992-06-20 | 1994-01-05 | Ford Motor Co | Phase change mechanism having latching means for arresting an inertial member |
DE29517755U1 (de) * | 1995-11-09 | 1997-03-13 | FEV Motorentechnik GmbH & Co. KG, 52078 Aachen | Verstelleinrichtung für einen nockengesteuerten Ventilbetrieb an einer Kolbenbrennkraftmaschine |
DE69818946T2 (de) * | 1997-11-21 | 2004-05-13 | Mazda Motor Corp. | Vorrichtung zur Steuerung der Drehphase |
US6257186B1 (en) * | 1999-03-23 | 2001-07-10 | Tcg Unitech Aktiengesellschaft | Device for adjusting the phase angle of a camshaft of an internal combustion engine |
AT409030B (de) * | 2000-03-09 | 2002-05-27 | Tcg Unitech Ag | Vorrichtung zur verstellung einer nockenwelle |
DE10036275A1 (de) * | 2000-07-26 | 2002-02-07 | Daimler Chrysler Ag | Vorrichtung zur relativen Winkelverstellung zwischen zwei drehzahlgleich rotierenden, antriebsverbundenen Elementen |
DE10038354C2 (de) * | 2000-08-05 | 2003-03-20 | Atlas Fahrzeugtechnik Gmbh | Steuereinrichtung zum Verstellen des Drehwinkels einer Nockenwelle |
-
2002
- 2002-06-01 DE DE2002124446 patent/DE10224446A1/de not_active Withdrawn
-
2003
- 2003-04-19 DE DE50311576T patent/DE50311576D1/de not_active Expired - Lifetime
- 2003-04-19 JP JP2004509242A patent/JP4370244B2/ja not_active Expired - Fee Related
- 2003-04-19 EP EP03722513A patent/EP1509684B1/de not_active Expired - Fee Related
- 2003-04-19 WO PCT/EP2003/004105 patent/WO2003102381A1/de active Application Filing
Non-Patent Citations (1)
Title |
---|
See references of WO03102381A1 * |
Also Published As
Publication number | Publication date |
---|---|
JP4370244B2 (ja) | 2009-11-25 |
DE50311576D1 (de) | 2009-07-16 |
JP2005528551A (ja) | 2005-09-22 |
WO2003102381A1 (de) | 2003-12-11 |
EP1509684B1 (de) | 2009-06-03 |
DE10224446A1 (de) | 2003-12-11 |
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