EP2060754A3 - Unité hydraulique pour culasse d'un moteur à combustion interne dotée d'une commande de soupape hydraulique variable - Google Patents

Unité hydraulique pour culasse d'un moteur à combustion interne dotée d'une commande de soupape hydraulique variable Download PDF

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Publication number
EP2060754A3
EP2060754A3 EP08167285A EP08167285A EP2060754A3 EP 2060754 A3 EP2060754 A3 EP 2060754A3 EP 08167285 A EP08167285 A EP 08167285A EP 08167285 A EP08167285 A EP 08167285A EP 2060754 A3 EP2060754 A3 EP 2060754A3
Authority
EP
European Patent Office
Prior art keywords
hydraulic unit
combustion engine
cylinder head
variable valve
pressure space
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
EP08167285A
Other languages
German (de)
English (en)
Other versions
EP2060754A2 (fr
EP2060754B1 (fr
Inventor
Martin Rauch
Markus Proschko
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.)
Schaeffler Technologies AG and Co KG
Original Assignee
Schaeffler KG
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 Schaeffler KG filed Critical Schaeffler KG
Publication of EP2060754A2 publication Critical patent/EP2060754A2/fr
Publication of EP2060754A3 publication Critical patent/EP2060754A3/fr
Application granted granted Critical
Publication of EP2060754B1 publication Critical patent/EP2060754B1/fr
Active 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
    • F01L9/00—Valve-gear or valve arrangements actuated non-mechanically
    • F01L9/10—Valve-gear or valve arrangements actuated non-mechanically by fluid means, e.g. hydraulic
    • F01L9/11—Valve-gear or valve arrangements actuated non-mechanically by fluid means, e.g. hydraulic in which the action of a cam is being transmitted to a valve by a liquid column
    • F01L9/12—Valve-gear or valve arrangements actuated non-mechanically by fluid means, e.g. hydraulic in which the action of a cam is being transmitted to a valve by a liquid column with a liquid chamber between a piston actuated by a cam and a piston acting on a valve stem
    • F01L9/14—Valve-gear or valve arrangements actuated non-mechanically by fluid means, e.g. hydraulic in which the action of a cam is being transmitted to a valve by a liquid column with a liquid chamber between a piston actuated by a cam and a piston acting on a valve stem the volume of the chamber being variable, e.g. for varying the lift or the timing of a valve
    • 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
    • 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
    • F01L2001/34423—Details relating to the hydraulic feeding circuit
    • F01L2001/34446—Fluid accumulators for the feeding circuit
    • 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
    • F01L2820/00—Details on specific features characterising valve gear arrangements
    • F01L2820/02—Formulas

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)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
EP08167285A 2007-11-14 2008-10-22 Unité hydraulique pour culasse d'un moteur à combustion interne dotée d'une commande de soupape hydraulique variable Active EP2060754B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102007054376A DE102007054376A1 (de) 2007-11-14 2007-11-14 Hydraulikeinheit für einen Zylinderkopf einer Brennkraftmaschine mit hydraulisch variablem Ventiltrieb

Publications (3)

Publication Number Publication Date
EP2060754A2 EP2060754A2 (fr) 2009-05-20
EP2060754A3 true EP2060754A3 (fr) 2010-05-05
EP2060754B1 EP2060754B1 (fr) 2011-12-14

Family

ID=40345032

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08167285A Active EP2060754B1 (fr) 2007-11-14 2008-10-22 Unité hydraulique pour culasse d'un moteur à combustion interne dotée d'une commande de soupape hydraulique variable

Country Status (6)

Country Link
US (1) US8020526B2 (fr)
EP (1) EP2060754B1 (fr)
JP (1) JP5354260B2 (fr)
KR (1) KR101515636B1 (fr)
CN (1) CN101435353B (fr)
DE (1) DE102007054376A1 (fr)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009011982A1 (de) 2009-03-05 2010-09-09 Schaeffler Technologies Gmbh & Co. Kg Hydraulikeinheit für einen Zylinderkopf einer Brennkraftmaschine mit hydraulisch variablem Gaswechselventiltrieb
DE102009011983A1 (de) 2009-03-05 2010-09-09 Schaeffler Technologies Gmbh & Co. Kg Hydraulikeinheit für einen Zylinderkopf einer Brennkraftmaschine mit hydraulisch variablem Gaswechselventiltrieb
EP2261471B1 (fr) * 2009-05-25 2014-09-17 C.R.F. Società Consortile per Azioni Moteur à combustion interne avec deux soupapes d'admission hydrauliques avec des ressorts différents pour chaque cylindre
EP2282022B1 (fr) * 2009-06-30 2011-11-23 C.R.F. Società Consortile per Azioni Système hydraulique à contrôle électronique pour la commande variable de soupapes d'un moteur à combustion interne, avec remplissage rapide de partie haute pression du système
WO2011069836A1 (fr) * 2009-12-08 2011-06-16 Schaeffler Technologies Gmbh & Co. Kg Moteur à combustion interne équipé d'une commande de soupape électro-hydraulique et procédé pour le fonctionnement du moteur à combustion interne
DE102010013927B4 (de) * 2010-04-06 2019-03-21 Schaeffler Technologies AG & Co. KG Verbrennungskraftmaschine mit zwei fluiddicht voneinander getrennten Schmierräumen
DE102010018209A1 (de) 2010-04-26 2011-10-27 Schaeffler Technologies Gmbh & Co. Kg Hydraulikeinheit für einen Zylinderkopf einer Brennkraftmaschine mit hydraulisch variablem Gaswechselventiltrieb
DE102010024028A1 (de) 2010-06-16 2011-12-22 Schaeffler Technologies Gmbh & Co. Kg Hydraulikeinheit für einen Zylinderkopf einer Brennkraftmaschine mit hydraulisch variablem Gaswechselventiltrieb
DE102010052550A1 (de) * 2010-11-25 2012-05-31 Schaeffler Technologies Gmbh & Co. Kg Druckspeicher eines hydraulischen Betätigungssystems
CN102278161B (zh) * 2011-07-19 2013-07-24 天津大学 可变气门用缓冲液压缸
DE102012200469A1 (de) * 2012-01-13 2013-07-18 Schaeffler Technologies AG & Co. KG Aktuator für vollvariable Ventiltriebsysteme
DE102012212860B3 (de) * 2012-07-23 2013-12-12 Schaeffler Technologies AG & Co. KG Verfahren zur Ermittlung der Füllung der Zylinder von Hubkolbenbrennkraftmaschinen
DE102012221354A1 (de) 2012-11-22 2013-01-24 Schaeffler Technologies AG & Co. KG Hydraulikeinheit für einen Zylinderkopf einer Brennkraftmaschine mit hydraulisch variablem Gaswechselventiltrieb
DE102013213695A1 (de) * 2013-07-12 2015-01-15 Schaeffler Technologies Gmbh & Co. Kg Vorrichtung zum Entlüften von Hohlräumen
SE540359C2 (sv) * 2013-10-16 2018-08-07 Freevalve Ab Förbränningsmotor
US9217339B2 (en) 2014-04-24 2015-12-22 Ford Global Technologies, Llc Hydraulic rolling cylinder deactivation systems and methods
US9631526B2 (en) * 2014-09-17 2017-04-25 Fca Us Llc Engine variable valve lift system having integrated hydraulic fluid retention
DE102014219736A1 (de) 2014-09-30 2016-03-31 Schaeffler Technologies AG & Co. KG Ventiltrieb einer Brennkraftmaschine
WO2017071703A1 (fr) * 2015-10-26 2017-05-04 Schaeffler Technologies AG & Co. KG Actionneur de commande de soupape à aimant de collecte de copeaux de fer dans un conduit d'huile
JP6350975B2 (ja) * 2016-03-31 2018-07-04 マツダ株式会社 エンジンの制御装置
WO2017170708A1 (fr) 2016-03-31 2017-10-05 マツダ株式会社 Dispositif de commande de moteur polycylindrique
GB2553120B (en) * 2016-08-24 2019-12-25 Jaguar Land Rover Ltd Variable valve lift system with a diffusing system
DE102016218918B4 (de) 2016-09-29 2018-09-13 Schaeffler Technologies AG & Co. KG Brennkraftmaschine mit hydraulisch variablem Gaswechselventiltrieb
DE102016219297B4 (de) 2016-10-05 2021-12-30 Schaeffler Technologies AG & Co. KG Hydraulikeinheit für eine Brennkraftmaschine mit hydraulisch variablem Gaswechselventiltrieb
FR3071869B1 (fr) * 2017-10-02 2019-10-11 Vianney Rabhi Actionneur hydraulique de soupape a regeneration
DE102018129287A1 (de) 2018-11-21 2020-05-28 Schaeffler Technologies AG & Co. KG Verbrennungsmotor mit hydraulisch variablem Gaswechselventiltrieb
US11168592B2 (en) * 2019-02-27 2021-11-09 Ford Global Technologies, Llc Variable valve actuation system

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3604233A1 (de) * 1986-02-11 1987-08-13 Bosch Gmbh Robert Ventilsteuervorrichtung fuer eine hubkolben-brennkraftmaschine
JPH02221610A (ja) * 1989-02-22 1990-09-04 Honda Motor Co Ltd 内燃機関の動弁装置
JPH04301104A (ja) * 1991-03-28 1992-10-23 Honda Motor Co Ltd 内燃機関用機関弁の油圧駆動装置
DE4206696A1 (de) * 1992-03-04 1993-09-09 Bosch Gmbh Robert Hydraulische ventilsteuervorrichtung fuer motorventile
EP1243761A1 (fr) * 2001-03-23 2002-09-25 C.R.F. Società Consortile per Azioni Moteur à combustion interne avec système hydraulique pour actionnement variable des soupapes et moyens pour compenser les variations de volume du fluide hydraulique
EP1353056A1 (fr) * 2002-04-09 2003-10-15 Eaton Corporation Collecteur électro-hydraulique, et méthode de construction, pour controller l'activation et la deactivation des soupapes de la chambre de combustion d'un moteur à combustion interne
EP1362990A2 (fr) * 2002-05-14 2003-11-19 Caterpillar Inc. Dispositif de commande de soupape de moteur à combustion interne

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001020150A1 (fr) * 1999-09-17 2001-03-22 Diesel Engine Retarders, Inc. Accumulateur a volume captif pour systeme a perte de mouvement
DE10161438B4 (de) * 2001-12-14 2004-07-15 Man B&W Diesel A/S Hubkolbenmaschine
DE102006008676A1 (de) * 2006-02-24 2007-08-30 Schaeffler Kg Zylinderkopf einer Brennkraftmaschine mit elektrohydraulischer Ventilsteuerung

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3604233A1 (de) * 1986-02-11 1987-08-13 Bosch Gmbh Robert Ventilsteuervorrichtung fuer eine hubkolben-brennkraftmaschine
JPH02221610A (ja) * 1989-02-22 1990-09-04 Honda Motor Co Ltd 内燃機関の動弁装置
JPH04301104A (ja) * 1991-03-28 1992-10-23 Honda Motor Co Ltd 内燃機関用機関弁の油圧駆動装置
DE4206696A1 (de) * 1992-03-04 1993-09-09 Bosch Gmbh Robert Hydraulische ventilsteuervorrichtung fuer motorventile
EP1243761A1 (fr) * 2001-03-23 2002-09-25 C.R.F. Società Consortile per Azioni Moteur à combustion interne avec système hydraulique pour actionnement variable des soupapes et moyens pour compenser les variations de volume du fluide hydraulique
EP1353056A1 (fr) * 2002-04-09 2003-10-15 Eaton Corporation Collecteur électro-hydraulique, et méthode de construction, pour controller l'activation et la deactivation des soupapes de la chambre de combustion d'un moteur à combustion interne
EP1362990A2 (fr) * 2002-05-14 2003-11-19 Caterpillar Inc. Dispositif de commande de soupape de moteur à combustion interne

Also Published As

Publication number Publication date
DE102007054376A1 (de) 2009-05-20
KR101515636B1 (ko) 2015-04-27
CN101435353A (zh) 2009-05-20
JP2009121481A (ja) 2009-06-04
EP2060754A2 (fr) 2009-05-20
EP2060754B1 (fr) 2011-12-14
KR20090049999A (ko) 2009-05-19
US8020526B2 (en) 2011-09-20
US20090120389A1 (en) 2009-05-14
JP5354260B2 (ja) 2013-11-27
CN101435353B (zh) 2013-03-27

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