EP2079903B1 - Dispositif d'actionnement pour deux arbres à cames tournant en parallèle - Google Patents

Dispositif d'actionnement pour deux arbres à cames tournant en parallèle Download PDF

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Publication number
EP2079903B1
EP2079903B1 EP07821522A EP07821522A EP2079903B1 EP 2079903 B1 EP2079903 B1 EP 2079903B1 EP 07821522 A EP07821522 A EP 07821522A EP 07821522 A EP07821522 A EP 07821522A EP 2079903 B1 EP2079903 B1 EP 2079903B1
Authority
EP
European Patent Office
Prior art keywords
camshafts
shafts
force
camshaft
outer shaft
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.)
Not-in-force
Application number
EP07821522A
Other languages
German (de)
English (en)
Other versions
EP2079903A1 (fr
Inventor
Falk Schneider
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.)
Mahle International GmbH
Original Assignee
Mahle International 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 Mahle International GmbH filed Critical Mahle International GmbH
Publication of EP2079903A1 publication Critical patent/EP2079903A1/fr
Application granted granted Critical
Publication of EP2079903B1 publication Critical patent/EP2079903B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • 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
    • F01L1/02—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

Definitions

  • the invention relates to an actuator for two parallel rotating camshafts.
  • Such actuators are generally known US 5,417,186 A and EP 1 614 867 A1 ,
  • the phaser is in each case at the same end of the two camshafts on which they are driven by the crankshaft.
  • the invention is concerned with the problem of providing a solution as simple as possible with a design of a generic actuator according to the characterizing features of claim 1.
  • the invention is based on the general idea to arrange the phaser so in the generic camshaft device that the usual, emanating from the crankshaft as a drive source chain drive in a structurally simple manner can be or remain as he is not adjustable by a phaser Camshafts is commonly used.
  • crankshaft 1 2 Parallel camshaft, namely a first camshaft 3 and a second camshaft 4 are driven via a chain 2 as a power transmission member.
  • Both camshafts 3, 4 each consist of concentric nested, mutually rotatable shafts, namely an outer shaft 3 'and an inner shaft 3 "in the first camshaft 3 and an outer shaft 4' and an inner shaft 4" in the second camshaft.
  • Each firmly connected to an inner and an outer shaft 3 ", 4"; 3 ', 4' are outer shaft cams 3 "', 4''' and inner shaft cam 3 IV and 4 IV .
  • the inner shafts 3 ", 4" are rotatably mounted within the outer shafts 3 ', 4'.
  • one of the camshafts 3, 4, namely the second camshaft 4, at the end thereof, is the end , on which the chain 2 engages, opposite, provided with respect to its function per se known phaser 5.
  • This phaser 5 has two mutually rotatable areas, one of which is fixedly connected to the inner shafts 3 "and 4". To achieve a synchronous drive of the inner shafts 3 ", 4" connects to the inner shaft 4 "firmly connected portion of the phaser 5, for example, as by an operation of this phase adjuster 5 relative rotation of the inner shaft 4 Chain trained power transmission element 6 with the inner shaft 3 "of the camshaft. 3
  • the camshafts 3, 4 are rotatably mounted in the engine in bearings 7.

Landscapes

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

Claims (1)

  1. Dispositif d'actionnement pour deux arbres à cames tournant en parallèle d'un moteur entraînant par l'intermédiaire d'un vilebrequin (2), dans lequel
    - les deux arbres à cames (3,4) sont constitués respectivement de deux arbres concentriques disposés l'un dans l'autre, tournant l'un contre l'autre, à savoir un arbre interne et un arbre externe (3",3';4",4') comportant une première et une deuxième came (3"',4'",3IV,4IV), desquelles la première came (3'",4"') est reliée à l'arbre externe respectif (3',4') et la deuxième came (3IV,4IV) est reliée à l'arbre interne respectif (3",4"),
    - à une extrémité de l'arbre à cames (3,4) respectivement un des deux arbres, à savoir l'arbre externe ou l'arbre interne (3',3"; 4',4") est entraîné par le vilebrequin (1) par l'intermédiaire d'un organe de transmission de force (2) unique, agissant directement et
    - à l'autre extrémité des arbres à cames (3,4) sur un des deux arbres à cames (3,4) un déphaseur (5) est prévu, avec lequel un déplacement simultané des deux arbres, à savoir l'arbre interne par rapport à l'arbre externe (3",4"; 3',4'), l'un contre l'autre est possible par l'intermédiaire d'un élément de transmission de force (6) agissant sur le déphaseur (5), qui relie une zone solidement reliée à l'arbre interne ou l'arbre externe (3",4";3',4') d'un arbre à cames (3,4) avec un arbre interne ou externe correspondant à déplacer (3", 4" ;3',4') de l'autre arbre à cames (4,3) avec transmission de force.
EP07821522A 2006-10-18 2007-10-18 Dispositif d'actionnement pour deux arbres à cames tournant en parallèle Not-in-force EP2079903B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006049243A DE102006049243A1 (de) 2006-10-18 2006-10-18 Betätigungseinrichtung für zwei parallel drehende Nockenwellen
PCT/EP2007/061157 WO2008046887A1 (fr) 2006-10-18 2007-10-18 Dispositif d'actionnement pour deux arbres à cames tournant en parallèle

Publications (2)

Publication Number Publication Date
EP2079903A1 EP2079903A1 (fr) 2009-07-22
EP2079903B1 true EP2079903B1 (fr) 2012-02-15

Family

ID=39091816

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07821522A Not-in-force EP2079903B1 (fr) 2006-10-18 2007-10-18 Dispositif d'actionnement pour deux arbres à cames tournant en parallèle

Country Status (5)

Country Link
US (1) US8141528B2 (fr)
EP (1) EP2079903B1 (fr)
AT (1) ATE545769T1 (fr)
DE (1) DE102006049243A1 (fr)
WO (1) WO2008046887A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014116191B3 (de) * 2014-11-06 2016-01-21 Thyssenkrupp Presta Teccenter Ag Ventiltrieb zur Betätigung von Gaswechselventilen einer Brennkraftmaschine

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8671920B2 (en) 2010-08-31 2014-03-18 GM Global Technology Operations LLC Internal combustion engine
US8651075B2 (en) * 2010-12-08 2014-02-18 GM Global Technology Operations LLC Engine assembly including camshaft with independent cam phasing
DE102012110881B4 (de) * 2012-11-13 2020-06-10 Hilite Germany Gmbh Nockenwelleneinrichtung
DE102013221886A1 (de) 2013-10-28 2015-04-30 Borgwarner Inc. Brennkraftmaschine mit einem Phasenversteller sowie dazugehöriges Regelverfahren
US9752470B2 (en) * 2014-03-21 2017-09-05 Ford Global Technologies, Llc Applied-ignition internal combustion engine with variable valve drive
KR101558384B1 (ko) * 2014-04-02 2015-10-07 현대자동차 주식회사 리턴 스프링과 캠샤프트-인-캠샤프트를 포함하는 밸브 트레인 레이아웃 구조
DE102014116194A1 (de) 2014-11-06 2016-05-12 Thyssenkrupp Presta Teccenter Ag Ventiltrieb zur Betätigung von Gaswechselventilen einer Brennkraftmaschine

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Publication number Priority date Publication date Assignee Title
US862448A (en) * 1906-04-20 1907-08-06 Gustave Cornilleau Explosive-engine.
JPS6067705A (ja) 1983-09-21 1985-04-18 Daihatsu Motor Co Ltd ダブルオ−バヘツドカムシヤフトエンジンにおけるカム軸の駆動装置
JPH03107511A (ja) 1989-09-21 1991-05-07 Yamaha Motor Co Ltd バルブタイミング遅角装置
US5417186A (en) * 1993-06-28 1995-05-23 Clemson University Dual-acting apparatus for variable valve timing and the like
DE19514786C2 (de) * 1995-04-21 2002-08-14 Audi Ag Vorrichtung zum diskreten Verstellen der Phasenlage zumindest zweier Nockenwellen
JP3077621B2 (ja) * 1996-04-09 2000-08-14 トヨタ自動車株式会社 内燃機関の可変バルブタイミング機構
JP3612379B2 (ja) * 1996-04-10 2005-01-19 三菱自動車工業株式会社 可変動弁機構用駆動装置及び油圧アクチュエータ
JPH10141029A (ja) * 1996-11-13 1998-05-26 Toyota Motor Corp バルブ特性制御装置を有する内燃機関の動弁装置
JP2001065371A (ja) * 1999-08-24 2001-03-13 Toyota Motor Corp 内燃機関の可変動弁装置
DE10116707B4 (de) * 2001-04-04 2017-01-19 Schaeffler Technologies AG & Co. KG Vorrichtung zur Relativverdrehung einer Nockenwelle gegenüber einer Kurbelwelle einer Brennkraftmaschine
DE50113447D1 (de) 2001-10-25 2008-02-14 Ford Global Tech Llc Dieselmotor mit variablem Kompressionsverhältnis
JP4250097B2 (ja) * 2004-01-30 2009-04-08 株式会社日立製作所 内燃機関のバルブタイミング制御装置
GB2415465A (en) * 2004-06-21 2005-12-28 Mechadyne Plc Engine with variable valve timing using single cam phaser camshafts
GB2415745A (en) * 2004-06-29 2006-01-04 Mechadyne Plc Engine with VVT drives an auxiliary device from an unphased part of the camshaft
DE102005014680A1 (de) * 2005-02-03 2006-08-10 Mahle International Gmbh Nockenwelle mit gegeneinander verdrehbaren Nocken für insbesondere Kraftfahrzeuge
GB2423565A (en) * 2005-02-23 2006-08-30 Mechadyne Plc Inner camshaft of SCP assembly receives drive via sleeve on outer tube
GB2424256A (en) * 2005-03-16 2006-09-20 Mechadyne Ltd SCP assembly with spring mounted on camshaft rather than within phaser housing

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014116191B3 (de) * 2014-11-06 2016-01-21 Thyssenkrupp Presta Teccenter Ag Ventiltrieb zur Betätigung von Gaswechselventilen einer Brennkraftmaschine
DE102014116191C5 (de) * 2014-11-06 2018-11-15 Thyssenkrupp Presta Teccenter Ag Ventiltrieb zur Betätigung von Gaswechselventilen einer Brennkraftmaschine

Also Published As

Publication number Publication date
US8141528B2 (en) 2012-03-27
ATE545769T1 (de) 2012-03-15
WO2008046887A1 (fr) 2008-04-24
EP2079903A1 (fr) 2009-07-22
DE102006049243A1 (de) 2008-04-24
US20100126443A1 (en) 2010-05-27

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