EP2500533A3 - Brennkraftmaschine mit gemischter Nockenwelle - Google Patents

Brennkraftmaschine mit gemischter Nockenwelle Download PDF

Info

Publication number
EP2500533A3
EP2500533A3 EP12001347A EP12001347A EP2500533A3 EP 2500533 A3 EP2500533 A3 EP 2500533A3 EP 12001347 A EP12001347 A EP 12001347A EP 12001347 A EP12001347 A EP 12001347A EP 2500533 A3 EP2500533 A3 EP 2500533A3
Authority
EP
European Patent Office
Prior art keywords
camshaft
mixed
mixed camshaft
valve
cam
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
EP12001347A
Other languages
English (en)
French (fr)
Other versions
EP2500533A2 (de
EP2500533B1 (de
Inventor
Axel Groenendijk
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.)
Volkswagen AG
Original Assignee
Volkswagen 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 Volkswagen AG filed Critical Volkswagen AG
Publication of EP2500533A2 publication Critical patent/EP2500533A2/de
Publication of EP2500533A3 publication Critical patent/EP2500533A3/de
Application granted granted Critical
Publication of EP2500533B1 publication Critical patent/EP2500533B1/de
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
    • 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
    • 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
    • F01L1/026—Gear 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
    • F01L1/34—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
    • 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
    • F01L13/0036—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 the valves being driven by two or more cams with different shape, size or timing or a single cam profiled in axial and radial direction
    • F01L13/0042—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 the valves being driven by two or more cams with different shape, size or timing or a single cam profiled in axial and radial direction with cams being profiled in axial and radial direction
    • 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
    • F01L1/12—Transmitting gear between valve drive and valve
    • F01L1/18—Rocking arms or levers
    • F01L1/185—Overhead end-pivot rocking arms
    • 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
    • F01L1/20—Adjusting or compensating clearance
    • F01L1/22—Adjusting or compensating clearance automatically, e.g. mechanically
    • F01L1/24—Adjusting or compensating clearance automatically, e.g. mechanically by fluid means, e.g. hydraulically
    • F01L1/2405—Adjusting or compensating clearance automatically, e.g. mechanically by fluid means, e.g. hydraulically by means of a hydraulic adjusting device located between the cylinder head and rocker arm
    • 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
    • F01L1/02—Valve drive
    • F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
    • F01L1/047—Camshafts
    • F01L1/053—Camshafts overhead type
    • F01L2001/0537—Double overhead camshafts [DOHC]
    • 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
    • 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
    • F01L13/0036—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 the valves being driven by two or more cams with different shape, size or timing or a single cam profiled in axial and radial direction
    • F01L2013/0052—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 the valves being driven by two or more cams with different shape, size or timing or a single cam profiled in axial and radial direction with cams provided on an axially slidable sleeve
    • 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
    • F01L2305/00—Valve arrangements comprising rollers

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

Die Erfindung betrifft eine Brennkraftmaschine, insbesondere Dieselmotor, insbesondere eines Kraftfahrzeugs, mit mindestens einem Arbeitszylinder, wobei jedem Arbeitszylinder mindestens zwei Einlassventile (78) und mindestens ein Auslassventil (80) zugeordnet ist, wobei mindestens zwei Nockenwellen (16, 18) vorgesehen sind, von denen wenigstens eine gemischte Nockenwelle (18) sowohl mindestens ein Einlassventil (78) als auch mindestens ein Auslassventil (80) betätigt, wobei an mindestens einer gemischten Nockenwelle (18), die sowohl mindestens ein Einlassventil (78) als auch mindestens ein Auslassventil (80) betätigt, ein Versteller (28) angeordnet ist, welcher Ventilsteuerzeiten der dieser gemischten Nockenwelle (18) zugeordneten Ein- und Auslassventile (78, 80) gegenüber den Ventilsteuerzeiten der mindestens einen anderen Nockenwelle (16) wahlweise nach Früh oder Spät verstellt. Hierbei ist mindestens an der gemischten Nockenwelle (18) mindestens ein Nockenträger (54) vorgesehen, wobei der Nockenträger (54) relativ zu dieser gemischten Nockenwelle (18) drehfest und axial verschiebbar auf der gemischten Nockenwelle (18) angeordnet ist, wobei der mindestens eine Nockenträger (54) mindestens einen Nocken (24, 26) aufweist, auf dem mindestens zwei unterschiedliche Nockenlaufbahnen (60, 62, 64, 66) ausgebildet sind, wobei Mittel (92, 96, 56, 58) zum-axialen Verschieben des mindestens einen Nockenträgers (54) gegenüber der gemischten Nockenwelle (18) zwischen einer ersten axialen Position und mindestens einer zweiten axialen Position vorgesehen sind.
EP12001347.9A 2011-03-18 2012-02-29 Brennkraftmaschine mit gemischter Nockenwelle Not-in-force EP2500533B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102011014308A DE102011014308A1 (de) 2011-03-18 2011-03-18 Brennkraftmaschine mit gemischter Nockenwelle

Publications (3)

Publication Number Publication Date
EP2500533A2 EP2500533A2 (de) 2012-09-19
EP2500533A3 true EP2500533A3 (de) 2013-02-06
EP2500533B1 EP2500533B1 (de) 2014-10-15

Family

ID=45851349

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12001347.9A Not-in-force EP2500533B1 (de) 2011-03-18 2012-02-29 Brennkraftmaschine mit gemischter Nockenwelle

Country Status (2)

Country Link
EP (1) EP2500533B1 (de)
DE (1) DE102011014308A1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013004800A1 (de) 2013-03-20 2014-09-25 Volkswagen Aktiengesellschaft Brennkraftmaschine und Verfahren zum Betreiben einer solchen Brennkraftmaschine
DE102013009896A1 (de) 2013-06-13 2014-12-18 Volkswagen Aktiengesellschaft Brennkraftmaschine und Verfahren zum Betreiben einer solchen Brennkraftmaschine
DE102013223646A1 (de) * 2013-11-20 2015-05-21 Volkswagen Aktiengesellschaft Hubkolbenbrennkraftmaschine mit mindestens einem Zylinder umfassend mindestens zwei Einlassventile und einen variablen Ventiltrieb
JP6070585B2 (ja) * 2014-01-21 2017-02-01 マツダ株式会社 エンジンの動弁装置
DE102014008643B4 (de) * 2014-06-13 2022-09-29 Rolls-Royce Solutions GmbH Verfahren zum Betreiben einer Brennkraftmaschine
DE102018209244A1 (de) 2018-06-11 2019-12-12 Volkswagen Aktiengesellschaft Brennkraftmaschine mit mindestens einem Zylinder, mindestens zwei Nockenwellen und mindestens einem schaltbaren Nockenprofil

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001042627A1 (en) * 1999-12-13 2001-06-14 Volvo Car Corporation Four-stroke internal combustion engine with variable cam timing
WO2002029214A1 (en) * 2000-09-29 2002-04-11 Edward Charles Mendler Valve control apparatus
WO2006014098A1 (en) * 2004-08-06 2006-02-09 Arnis Treijs Gas-distributing mechanical arrangement automatically changing injection and exhaust gas valve timing
US20070034182A1 (en) * 2004-10-16 2007-02-15 Stefan Dengler Valve train of an internal combustion engine comprising at least one camshaft
EP2048331A2 (de) * 2007-10-12 2009-04-15 Volkswagen Brennkraftmaschine mit gemischten Nockenwellen
DE102007056337A1 (de) * 2007-11-22 2009-05-28 Daimler Ag Ventiltriebvorrichtung
DE102008005639A1 (de) * 2008-01-23 2009-07-30 Daimler Ag Ventiltriebvorrichtung
EP2264299A2 (de) * 2009-06-15 2010-12-22 Volkswagen AG Verfahren zum Betreiben einer Hubkolben-Brennkraftmaschine

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4230877A1 (de) 1991-09-30 1993-04-01 Volkswagen Ag Ventilsteuerung fuer ein hubventil mit zwei nocken
DE4426557A1 (de) 1994-07-27 1996-02-01 Imre Dr Techn Szodfridt Diagonal angeordnete Ventile
DE19908286B4 (de) 1999-02-26 2007-03-01 Dr.Ing.H.C. F. Porsche Ag Variable Ventilsteuerung für Brennkraftmaschinen
DE102004011586A1 (de) * 2003-03-21 2004-10-07 Audi Ag Ventiltrieb einer einen Zylinderkopf aufweisenden Brennkraftmaschine
DE102004005588A1 (de) * 2004-02-04 2005-08-25 Fev Motorentechnik Gmbh Schaltbare Nockenwelle zur Änderung der Nockenerhebungsdauer
DE102006042912A1 (de) * 2006-09-13 2008-03-27 Volkswagen Ag Brennkraftmaschine mit gemischten Nockenwellen
DE102008050776A1 (de) * 2008-10-08 2010-04-15 Daimler Ag Ventiltriebvorrichtung

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001042627A1 (en) * 1999-12-13 2001-06-14 Volvo Car Corporation Four-stroke internal combustion engine with variable cam timing
WO2002029214A1 (en) * 2000-09-29 2002-04-11 Edward Charles Mendler Valve control apparatus
WO2006014098A1 (en) * 2004-08-06 2006-02-09 Arnis Treijs Gas-distributing mechanical arrangement automatically changing injection and exhaust gas valve timing
US20070034182A1 (en) * 2004-10-16 2007-02-15 Stefan Dengler Valve train of an internal combustion engine comprising at least one camshaft
EP2048331A2 (de) * 2007-10-12 2009-04-15 Volkswagen Brennkraftmaschine mit gemischten Nockenwellen
DE102007056337A1 (de) * 2007-11-22 2009-05-28 Daimler Ag Ventiltriebvorrichtung
DE102008005639A1 (de) * 2008-01-23 2009-07-30 Daimler Ag Ventiltriebvorrichtung
EP2264299A2 (de) * 2009-06-15 2010-12-22 Volkswagen AG Verfahren zum Betreiben einer Hubkolben-Brennkraftmaschine

Also Published As

Publication number Publication date
EP2500533A2 (de) 2012-09-19
EP2500533B1 (de) 2014-10-15
DE102011014308A1 (de) 2012-09-20

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