EP1803904B1 - Arbre à cames - Google Patents

Arbre à cames Download PDF

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Publication number
EP1803904B1
EP1803904B1 EP06125818A EP06125818A EP1803904B1 EP 1803904 B1 EP1803904 B1 EP 1803904B1 EP 06125818 A EP06125818 A EP 06125818A EP 06125818 A EP06125818 A EP 06125818A EP 1803904 B1 EP1803904 B1 EP 1803904B1
Authority
EP
European Patent Office
Prior art keywords
shafts
camshaft
drive
swash
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.)
Expired - Fee Related
Application number
EP06125818A
Other languages
German (de)
English (en)
Other versions
EP1803904A3 (fr
EP1803904A2 (fr
Inventor
Martin Lechner
Oliver Fritz
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 EP1803904A2 publication Critical patent/EP1803904A2/fr
Publication of EP1803904A3 publication Critical patent/EP1803904A3/fr
Application granted granted Critical
Publication of EP1803904B1 publication Critical patent/EP1803904B1/fr
Expired - Fee Related 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
    • F01L1/34—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
    • 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
    • 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
    • F01L1/352—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 bevel or epicyclic 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
    • F01L1/356—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 making the angular relationship oscillate, e.g. non-homokinetic drive
    • 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
    • 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
    • F01L2001/34486—Location and number of the means for changing the angular relationship
    • F01L2001/34493—Dual independent phasing system [DIPS]

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)

Claims (5)

  1. Arbre à cames notamment à des fins d'actionnement des soupapes d'échange de gaz d'un moteur à combustion interne comportant
    - deux arbres coaxiaux l'un dans l'autre et positionnés de manière tournante l'un contre l'autre, à savoir un premier et un deuxième arbre (1 ;2),
    - une première came respectivement solidement reliée au premier arbre (1) et une deuxième came respectivement solidement reliée au deuxième arbre (2),
    - un entraînement d'arbre à cames principal agissant sur les deux arbres (1,2),
    - et un dispositif pour ajuster d'une part la position angulaire en rotation du premier et du deuxième arbre l'un contre l'autre par un premier entraînement de réglage et d'autre part les deux arbres (1,2) de l'arbre à cames conjointement par l'intermédiaire d'un deuxième entraînement de réglage (4),
    caractérisé par les caractéristiques,
    - les deux entraînements de réglage (3,4) présentent respectivement un entraînement à plateau cyclique avec des plateaux cycliques (3' ;4'), qui sont respectivement positionnées autour de l'axe d'arbre à cames commun sur un palier de plateau cyclique (3' ;4") et sont respectivement pourvus d'une couronne dentée (3V ;4V) ainsi que d'au moins respectivement un doigt d'entraînement (3IV ; 4IV),
    - les doigts d'entraînement (3IV ; 4IV) des deux plateaux cycliques (3' ;4') coopèrent directement avec un des deux arbres (1,2),
    - des plateaux cycliques (3' ;4'), un coopère par l'intermédiaire de sa première couronne dentée (3V) afférente avec un des deux arbres (1,2) et l'autre coopère par l'intermédiaire de sa deuxième couronne dentée (4V) afférente avec une couronne dentée (9') d'un élément de transmission de l'entraînement principal.
  2. Arbre à cames selon la revendication 1,
    caractérisé en ce que
    les doigts d'entraînement (3IV; 4IV) s'engagent dans des rainures longitudinales (8) d'un anneau (5) relié à un des deux arbres (1,2).
  3. Arbre à cames selon la revendication 1 ou 2, caractérisé en ce que
    les deux paliers de plateaux cycliques (3" ;4") entrent en rotation autour de l'axe de commun des deux arbres (1,2).
  4. Arbre à cames selon une des revendications précédentes,
    caractérisé en ce que
    les deux entraînements de réglage (3,4) comprennent des arbres d'entraînement (3"' ;4"') configurés coaxialement l'un par rapport à l'autre, agissant sur les paliers de plateaux cycliques (3" ;4").
  5. Arbres à cames selon une des revendications précédentes comportant un dispositif de commande pour
    ajuster au choix l'angle de rotation des deux arbres (1,2) l'un sous l'autre et/ou conjointement par rapport à l'entraînement principal d'arbre à cames.
EP06125818A 2005-12-21 2006-12-11 Arbre à cames Expired - Fee Related EP1803904B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102005061187A DE102005061187A1 (de) 2005-12-21 2005-12-21 Nockenwelle

Publications (3)

Publication Number Publication Date
EP1803904A2 EP1803904A2 (fr) 2007-07-04
EP1803904A3 EP1803904A3 (fr) 2009-04-08
EP1803904B1 true EP1803904B1 (fr) 2010-04-07

Family

ID=38033326

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06125818A Expired - Fee Related EP1803904B1 (fr) 2005-12-21 2006-12-11 Arbre à cames

Country Status (3)

Country Link
US (1) US7421992B2 (fr)
EP (1) EP1803904B1 (fr)
DE (2) DE102005061187A1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009067789A1 (fr) * 2007-11-26 2009-06-04 Magna Powertrain Inc. Arbre à cames concentrique avec entraînement de phase électrique
GB2472054B (en) * 2009-07-23 2013-02-27 Mechadyne Plc Phaser assembly for an internal combustion engine
BR112012007632A2 (pt) * 2009-10-05 2018-06-05 Schaeffler Technologies Ag disposição de eixo de cames
KR101675613B1 (ko) * 2009-10-05 2016-11-11 섀플러 테크놀로지스 아게 운트 코. 카게 캠 샤프트 장치
DE102011006691A1 (de) * 2011-04-04 2012-10-04 Schaeffler Technologies Gmbh & Co. Kg Nockenwellenversteller
DE102011116130A1 (de) * 2011-10-15 2013-04-18 Volkswagen Aktiengesellschaft Ventiltrieb für eine Brennkraftmaschine
CN104246153B (zh) 2012-05-18 2016-11-09 舍弗勒技术股份两合公司 凸轮轴单元
DE112013002564A5 (de) 2012-05-18 2015-02-05 Schaeffler Technologies Gmbh & Co. Kg Nockenwelleneinheit
DE102021114162B4 (de) 2021-06-01 2022-12-08 Schaeffler Technologies AG & Co. KG Elektromechanischer Nockenwellenversteller

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4294218A (en) * 1978-10-26 1981-10-13 Caterpillar Tractor Co. Differential timing altering mechanism for fuel injectors
EP0582846B1 (fr) * 1992-08-13 1996-04-24 Bayerische Motoren Werke Aktiengesellschaft Moteur à combustion interne à pistons avec deux soupapes de distribution des gaz par cylindre
DE19514786C2 (de) * 1995-04-21 2002-08-14 Audi Ag Vorrichtung zum diskreten Verstellen der Phasenlage zumindest zweier Nockenwellen
DE10038354C2 (de) * 2000-08-05 2003-03-20 Atlas Fahrzeugtechnik Gmbh Steuereinrichtung zum Verstellen des Drehwinkels einer Nockenwelle
GB2369175A (en) * 2000-11-18 2002-05-22 Mechadyne Plc Variable phase coupling
DE10222475A1 (de) * 2002-05-22 2003-12-04 Atlas Fahrzeugtechnik Gmbh Getriebe mit zwei ineinander angeordneten Drehscheiben, die durch eine Taumelscheibe miteinander verbunden sind
DE102004020124A1 (de) * 2004-04-24 2005-11-17 Aft Atlas Fahrzeugtechnik Gmbh Vorrichtung zur Einstellung von Ventilsteuerzeiten sowie Brennkraftmaschine mit einer derartigen Vorrichtung

Also Published As

Publication number Publication date
DE102005061187A1 (de) 2007-06-28
EP1803904A3 (fr) 2009-04-08
US20070137598A1 (en) 2007-06-21
DE502006006633D1 (de) 2010-05-20
EP1803904A2 (fr) 2007-07-04
US7421992B2 (en) 2008-09-09

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