EP2527607A3 - Device for adjusting a rotation angle position of nested camshafts relative to one another - Google Patents

Device for adjusting a rotation angle position of nested camshafts relative to one another Download PDF

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Publication number
EP2527607A3
EP2527607A3 EP12168982.2A EP12168982A EP2527607A3 EP 2527607 A3 EP2527607 A3 EP 2527607A3 EP 12168982 A EP12168982 A EP 12168982A EP 2527607 A3 EP2527607 A3 EP 2527607A3
Authority
EP
European Patent Office
Prior art keywords
camshaft
stator
phaser
relative
adjusting
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
EP12168982.2A
Other languages
German (de)
French (fr)
Other versions
EP2527607B1 (en
EP2527607A2 (en
Inventor
Jürgen Bohner
Claus Welte
Jens Krüger
Uwe Dr. Meinig
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.)
Schwaebische Huettenwerke Automotive GmbH
Original Assignee
Schwaebische Huettenwerke Automotive GmbH
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 Schwaebische Huettenwerke Automotive GmbH filed Critical Schwaebische Huettenwerke Automotive GmbH
Priority to PL12168982T priority Critical patent/PL2527607T3/en
Publication of EP2527607A2 publication Critical patent/EP2527607A2/en
Publication of EP2527607A3 publication Critical patent/EP2527607A3/en
Application granted granted Critical
Publication of EP2527607B1 publication Critical patent/EP2527607B1/en
Not-in-force 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
    • 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
    • F01L1/34—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
    • F01L1/34413—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 composite camshafts, e.g. with cams being able to move relative to the camshaft
    • 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
    • F01L13/0057—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 splittable or deformable cams
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve Device For Special Equipments (AREA)

Abstract

Vorrichtung zur Verstellung der relativen Drehwinkelposition geschachtelter Nockenwellen einer Brennkraftmaschine, die Vorrichtung umfassend:
(a) eine Wellenanordnung mit einer ersten Nockenwelle (1) und einer zweiten Nockenwelle (2), von denen eine zumindest in einem axialen Wellenabschnitt in der anderen erstreckt ist und die relativ zueinander drehbar sind,
(b) einen Phasensteller (S), der an einem axialen Ende der Wellenanordnung als Montageeinheit montiert ist und einen drehfest mit der ersten Nockenwelle (1) verbundenen Stator (3) und einen vom Stator (3) drehantreibbaren, relativ zum Stator (3) drehwinkelverstellbaren Rotor (9) aufweist,
(c) eine Verbindungseinrichtung (2a, 14, 21; 2a, 14, 45; 2a, 14, 55), die den Phasensteller (S) an der Wellenanordnung in Bezug auf die axiale Richtung befestigt und den Rotor (9) mit der zweiten Nockenwelle (2) drehfest verbindet,
(d) ein mit der ersten Nockenwelle (1) und dem Stator (3) drehfestes Antriebsrad (10; 40; 50) zum Drehantreiben der ersten Nockenwelle (1) und des Stators (3),
(e) wobei eine mit der ersten Nockenwelle (1) drehfeste Nockenwellen-Eingriffsstruktur (12; 41; 51) und eine mit dem Stator (3) drehfeste Phasensteller-Eingriffsstruktur (6; 46; 56) in einem Verdrehsicherungseingriff axial ineinander geschoben sind und den Stator (3) durch Formschluss verdrehgesichert mit der ersten Nockenwelle (1) verbinden.

Figure imgaf001
Device for adjusting the relative rotational angular position of nested camshafts of an internal combustion engine, the device comprising
(a) a shaft assembly having a first camshaft (1) and a second camshaft (2), one of which is extended in at least one axial shaft portion in the other and which are rotatable relative to each other,
(b) a phaser (S) which is mounted as an assembly unit at one axial end of the shaft assembly and a stator (3) rotatably connected to the first camshaft (1) and a rotatably driven by the stator (3) relative to the stator (3) having an angle-adjustable rotor (9),
(c) connecting means (2a, 14, 21; 2a, 14, 45; 2a, 14, 55) fixing the phaser (S) to the shaft assembly with respect to the axial direction and the rotor (9) having the second one Camshaft (2) rotatably connects,
(d) a drive wheel (10; 40; 50) rotationally fixed to the first camshaft (1) and the stator (3) for rotationally driving the first camshaft (1) and the stator (3),
(e) wherein a camshaft engaging structure (12; 41; 51) rotatable with the first camshaft (1) and a phaser engaging structure (6; 46; 56) non-rotatable with the stator (3) are axially nested in an anti-rotation engagement and connect the stator (3) to the first camshaft (1) so as to be secure against rotation by positive engagement.
Figure imgaf001
EP12168982.2A 2011-05-27 2012-05-22 Device for adjusting a rotation angle position of nested camshafts relative to one another Not-in-force EP2527607B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL12168982T PL2527607T3 (en) 2011-05-27 2012-05-22 Device for adjusting a rotation angle position of nested camshafts relative to one another

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102011076652.9A DE102011076652B4 (en) 2011-05-27 2011-05-27 Device for adjusting the relative angular position of nested camshafts

Publications (3)

Publication Number Publication Date
EP2527607A2 EP2527607A2 (en) 2012-11-28
EP2527607A3 true EP2527607A3 (en) 2013-12-18
EP2527607B1 EP2527607B1 (en) 2015-04-01

Family

ID=46168202

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12168982.2A Not-in-force EP2527607B1 (en) 2011-05-27 2012-05-22 Device for adjusting a rotation angle position of nested camshafts relative to one another

Country Status (4)

Country Link
EP (1) EP2527607B1 (en)
DE (1) DE102011076652B4 (en)
HU (1) HUE025808T2 (en)
PL (1) PL2527607T3 (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013200402B4 (en) 2013-01-14 2022-02-17 Schaeffler Technologies AG & Co. KG camshaft adjuster
DE102014206291A1 (en) * 2014-04-02 2015-10-08 Mahle International Gmbh camshaft
DE102014207631B4 (en) 2014-04-23 2019-10-17 Schaeffler Technologies AG & Co. KG Camshaft adjuster with additional positive connection between torque transmitting parts
DE102014107475A1 (en) 2014-05-27 2015-12-03 Thyssenkrupp Presta Teccenter Ag Adjustable camshaft with improved oil transfer between inner shaft and outer shaft
DE102014108711A1 (en) * 2014-06-21 2015-12-24 BROSE SCHLIEßSYSTEME GMBH & CO. KG Motor vehicle lock
DE102015200139B4 (en) * 2015-01-08 2021-07-08 Schaeffler Technologies AG & Co. KG Camshaft adjuster connection to a double camshaft
WO2016133782A1 (en) 2015-02-20 2016-08-25 Schaeffler Technologies AG & Co. KG Camshaft phaser
DE102015203895B4 (en) 2015-03-05 2018-09-27 Schaeffler Technologies AG & Co. KG Camshaft assembly with a camshaft adjuster and a camshaft
DE102015006234B4 (en) * 2015-05-18 2023-10-12 Thyssenkrupp Ag Camshaft adjustment device
DE102015113356A1 (en) * 2015-08-13 2017-02-16 Thyssenkrupp Ag Adjustable camshaft with a phase plate
DE102015224015A1 (en) * 2015-12-02 2017-06-08 Mahle International Gmbh Adjustable camshaft
DE102017115781A1 (en) * 2017-07-13 2018-05-17 Schaeffler Technologies AG & Co. KG Camshaft adjusting device for a dry belt drive
DE102018111996A1 (en) * 2018-05-18 2019-04-11 Schaeffler Technologies AG & Co. KG Camshaft adjusting system with hydraulic camshaft adjuster and electric camshaft adjuster
EP3633157A1 (en) * 2018-10-04 2020-04-08 Mechadyne International Limited Concentric camshaft axial position control

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2369175A (en) * 2000-11-18 2002-05-22 Mechadyne Plc Variable phase coupling
GB2433974A (en) * 2006-01-04 2007-07-11 Mechadyne Plc Mounting of a SCP (single cam phaser) camshaft on an engine
DE102008019746A1 (en) * 2008-04-19 2009-10-22 Schaeffler Kg Device for variable adjustment of valve timings of charge-cycle valves of internal combustion engine, has two drive elements and side cap, where former drive element is brought in drive connection with crankshaft
DE102009041873A1 (en) * 2008-10-09 2010-04-15 Schaeffler Kg Camshaft adjuster for the inner camshaft of a concentric camshaft assembly
GB2467333A (en) * 2009-01-30 2010-08-04 Mechadyne Plc Single camshaft phaser and camshaft for i.c. engines

Family Cites Families (11)

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Publication number Priority date Publication date Assignee Title
US1527456A (en) * 1924-02-29 1925-02-24 Woydt Edward Valve-operating means
IT1268966B1 (en) * 1994-05-12 1997-03-18 Carraro Spa SINGLE SHAFT DISTRIBUTION SYSTEM, IN PARTICULAR FOR INTERNAL COMBUSTION ENGINES.
DE102005040934A1 (en) * 2005-02-03 2006-08-17 Mahle International Gmbh Adjustable camshaft, in particular for internal combustion engines of motor vehicles, with a hydraulic adjusting device
DE202006020695U1 (en) * 2006-05-27 2009-06-25 Mahle International Gmbh Adjustable camshaft
DE102006039371A1 (en) * 2006-08-22 2008-02-28 Hofer Mechatronic Gmbh Adjusting device for internal combustion engine, has rotor, which is firmly connected with camshaft, where stator is coupled with drive device, and axial bore of rotor, takes shaft section of camshaft, where stator surrounds axial bore
DE102007017514A1 (en) * 2007-04-13 2008-10-16 Mahle International Gmbh camshaft
DE102009024482A1 (en) * 2009-06-10 2010-12-16 Schwäbische Hüttenwerke Automotive GmbH Camshaft phaser with pressure accumulator
DE102010002713B4 (en) * 2010-03-09 2013-12-05 Schwäbische Hüttenwerke Automotive GmbH Camshaft phaser with control valve for the hydraulic adjustment of the phasing of a camshaft
DE102010003574B4 (en) * 2010-03-31 2012-02-09 Schwäbische Hüttenwerke Automotive GmbH Press assembly and method for producing a press composite
DE102010053685B4 (en) * 2010-12-08 2014-10-30 Schwäbische Hüttenwerke Automotive GmbH Device for adjusting the rotational angular position of a camshaft
DE102011004539A1 (en) * 2011-02-22 2012-08-23 Schwäbische Hüttenwerke Automotive GmbH Camshaft phaser with improved locking device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2369175A (en) * 2000-11-18 2002-05-22 Mechadyne Plc Variable phase coupling
GB2433974A (en) * 2006-01-04 2007-07-11 Mechadyne Plc Mounting of a SCP (single cam phaser) camshaft on an engine
DE102008019746A1 (en) * 2008-04-19 2009-10-22 Schaeffler Kg Device for variable adjustment of valve timings of charge-cycle valves of internal combustion engine, has two drive elements and side cap, where former drive element is brought in drive connection with crankshaft
DE102009041873A1 (en) * 2008-10-09 2010-04-15 Schaeffler Kg Camshaft adjuster for the inner camshaft of a concentric camshaft assembly
GB2467333A (en) * 2009-01-30 2010-08-04 Mechadyne Plc Single camshaft phaser and camshaft for i.c. engines

Also Published As

Publication number Publication date
HUE025808T2 (en) 2016-04-28
EP2527607B1 (en) 2015-04-01
DE102011076652A1 (en) 2012-11-29
PL2527607T3 (en) 2015-10-30
DE102011076652B4 (en) 2017-06-01
EP2527607A2 (en) 2012-11-28

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