ATE534805T1 - Hydraulikeinheit für einen zylinderkopf einer brennkraftmaschine mit hydraulisch variablem gaswechselventiltrieb - Google Patents

Hydraulikeinheit für einen zylinderkopf einer brennkraftmaschine mit hydraulisch variablem gaswechselventiltrieb

Info

Publication number
ATE534805T1
ATE534805T1 AT10154528T AT10154528T ATE534805T1 AT E534805 T1 ATE534805 T1 AT E534805T1 AT 10154528 T AT10154528 T AT 10154528T AT 10154528 T AT10154528 T AT 10154528T AT E534805 T1 ATE534805 T1 AT E534805T1
Authority
AT
Austria
Prior art keywords
hydraulic
combustion engine
internal combustion
cylinder head
gas exchange
Prior art date
Application number
AT10154528T
Other languages
English (en)
Inventor
Andreas Eichenberg
Calin Petru Itoafa
Mario Kuhl
Thomas Kremer
Jens Lang
Schimonsky Lothar Von
Original Assignee
Schaeffler Technologies 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 Schaeffler Technologies Gmbh filed Critical Schaeffler Technologies Gmbh
Application granted granted Critical
Publication of ATE534805T1 publication Critical patent/ATE534805T1/de

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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/86493—Multi-way valve unit

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)
AT10154528T 2009-03-05 2010-02-24 Hydraulikeinheit für einen zylinderkopf einer brennkraftmaschine mit hydraulisch variablem gaswechselventiltrieb ATE534805T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200910011983 DE102009011983A1 (de) 2009-03-05 2009-03-05 Hydraulikeinheit für einen Zylinderkopf einer Brennkraftmaschine mit hydraulisch variablem Gaswechselventiltrieb

Publications (1)

Publication Number Publication Date
ATE534805T1 true ATE534805T1 (de) 2011-12-15

Family

ID=42270043

Family Applications (1)

Application Number Title Priority Date Filing Date
AT10154528T ATE534805T1 (de) 2009-03-05 2010-02-24 Hydraulikeinheit für einen zylinderkopf einer brennkraftmaschine mit hydraulisch variablem gaswechselventiltrieb

Country Status (4)

Country Link
US (1) US8215271B2 (de)
EP (1) EP2226477B1 (de)
AT (1) ATE534805T1 (de)
DE (1) DE102009011983A1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008049181A1 (de) * 2008-09-26 2010-04-01 Schaeffler Kg Elektrohydraulische Ventilsteuerung
DE102010018209A1 (de) 2010-04-26 2011-10-27 Schaeffler Technologies Gmbh & Co. Kg Hydraulikeinheit für einen Zylinderkopf einer Brennkraftmaschine mit hydraulisch variablem Gaswechselventiltrieb
DE102011007249A1 (de) 2011-04-13 2012-10-18 Schaeffler Technologies AG & Co. KG Druckspeicher für eine Hydraulikeinheit
DE102011075043B4 (de) * 2011-05-02 2023-04-13 Schaeffler Technologies AG & Co. KG Dichtung für Schaltventile
DE102012200367A1 (de) 2012-01-12 2013-03-07 Schaeffler Technologies AG & Co. KG Befestigungseinrichtung für ein Bauteil, insbesondere einen Deckel, an einem Gehäuseblock
DE102012200366A1 (de) 2012-01-12 2013-07-18 Schaeffler Technologies AG & Co. KG Vollvariable hydraulische Ventilsteuereinheit für Gaswechselventile von Hubkolbenbrennkraftmaschinen, insbesondere mehrzylindrischen Maschinen
DE102012207517A1 (de) 2012-05-07 2013-11-07 Schaeffler Technologies AG & Co. KG Steuereinheit für eine vollvariable hydraulische Ventilsteuervorrichtung von Gaswechselventilen an Hubkolbenbrennkraftmaschinen
DE102013213695B4 (de) 2013-07-12 2024-11-14 Schaeffler Technologies AG & Co. KG Vorrichtung zum Entlüften von Hohlräumen
US9631526B2 (en) * 2014-09-17 2017-04-25 Fca Us Llc Engine variable valve lift system having integrated hydraulic fluid retention
DE102018129287A1 (de) 2018-11-21 2020-05-28 Schaeffler Technologies AG & Co. KG Verbrennungsmotor mit hydraulisch variablem Gaswechselventiltrieb

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITTO20010269A1 (it) * 2001-03-23 2002-09-23 Fiat Ricerche Motore a combustione interna, con sistema idraulico di azionamento variabile delle valvole, e mezzi di compensazione delle variazioni di vol
US6644265B2 (en) * 2002-04-09 2003-11-11 Eaton Corporation Electro-hydraulic manifold assembly and method of making same for controlling de-activation of combustion chamber valves in a multicylinder engine
DE102004004753A1 (de) * 2004-01-30 2005-08-18 Mann + Hummel Gmbh Zylinderkopfhaube
DE102006008676A1 (de) * 2006-02-24 2007-08-30 Schaeffler Kg Zylinderkopf einer Brennkraftmaschine mit elektrohydraulischer Ventilsteuerung
US7509933B2 (en) * 2006-03-06 2009-03-31 Delphi Technologies, Inc. Valve lash adjuster having electro-hydraulic lost-motion capability
DE102007054376A1 (de) 2007-11-14 2009-05-20 Schaeffler Kg Hydraulikeinheit für einen Zylinderkopf einer Brennkraftmaschine mit hydraulisch variablem Ventiltrieb

Also Published As

Publication number Publication date
US20100224148A1 (en) 2010-09-09
US8215271B2 (en) 2012-07-10
DE102009011983A1 (de) 2010-09-09
EP2226477B1 (de) 2011-11-23
EP2226477A1 (de) 2010-09-08

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