EP2381075A3 - Unité hydraulique pour une tête de cylindre d'un moteur à combustion interne dotée d'une commande de soupape hydraulique variable à échange de gaz - Google Patents

Unité hydraulique pour une tête de cylindre d'un moteur à combustion interne dotée d'une commande de soupape hydraulique variable à échange de gaz Download PDF

Info

Publication number
EP2381075A3
EP2381075A3 EP20110160128 EP11160128A EP2381075A3 EP 2381075 A3 EP2381075 A3 EP 2381075A3 EP 20110160128 EP20110160128 EP 20110160128 EP 11160128 A EP11160128 A EP 11160128A EP 2381075 A3 EP2381075 A3 EP 2381075A3
Authority
EP
European Patent Office
Prior art keywords
hydraulic unit
combustion engine
cylinder head
gas exchange
valve drive
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
EP20110160128
Other languages
German (de)
English (en)
Other versions
EP2381075B1 (fr
EP2381075A2 (fr
Inventor
Andreas Rinnert
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 Technologies AG and Co 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 Technologies AG and Co KG filed Critical Schaeffler Technologies AG and Co KG
Publication of EP2381075A2 publication Critical patent/EP2381075A2/fr
Publication of EP2381075A3 publication Critical patent/EP2381075A3/fr
Application granted granted Critical
Publication of EP2381075B1 publication Critical patent/EP2381075B1/fr
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
    • 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
    • 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
    • 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 Device For Special Equipments (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)
EP20110160128 2010-04-26 2011-03-29 Unité hydraulique pour une tête de cylindre d'un moteur à combustion interne dotée d'une commande de soupape hydraulique variable à échange de gaz Not-in-force EP2381075B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE201010018209 DE102010018209A1 (de) 2010-04-26 2010-04-26 Hydraulikeinheit für einen Zylinderkopf einer Brennkraftmaschine mit hydraulisch variablem Gaswechselventiltrieb

Publications (3)

Publication Number Publication Date
EP2381075A2 EP2381075A2 (fr) 2011-10-26
EP2381075A3 true EP2381075A3 (fr) 2013-01-23
EP2381075B1 EP2381075B1 (fr) 2013-10-16

Family

ID=44513330

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20110160128 Not-in-force EP2381075B1 (fr) 2010-04-26 2011-03-29 Unité hydraulique pour une tête de cylindre d'un moteur à combustion interne dotée d'une commande de soupape hydraulique variable à échange de gaz

Country Status (3)

Country Link
US (1) US8413621B2 (fr)
EP (1) EP2381075B1 (fr)
DE (1) DE102010018209A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012200366A1 (de) * 2012-01-12 2013-07-18 Schaeffler Technologies AG & Co. KG Vollvariable hydraulische Ventilsteuereinheit für Gaswechselventile von Hubkolbenbrennkraftmaschinen, insbesondere mehrzylindrischen Maschinen
DE102014211193A1 (de) 2014-06-12 2015-12-17 Schaeffler Technologies AG & Co. KG Hydraulikeinheit für eine Brennkraftmaschine mit hydraulisch variablem Gaswechselventiltrieb
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
DE102016219227A1 (de) * 2016-10-05 2018-04-05 Schaeffler Technologies AG & Co. KG Gaswechselventiltrieb mit einem an einem Druckraum über eine Drossel angeschlossenen Dämpferraum

Citations (4)

* 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
DE4206696A1 (de) * 1992-03-04 1993-09-09 Bosch Gmbh Robert Hydraulische ventilsteuervorrichtung fuer motorventile
WO2001020150A1 (fr) * 1999-09-17 2001-03-22 Diesel Engine Retarders, Inc. Accumulateur a volume captif pour systeme a perte de mouvement
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

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3939065A1 (de) * 1989-11-25 1991-05-29 Bosch Gmbh Robert Hydraulische ventilsteuervorrichtung fuer brennkraftmaschinen
AU2001243306A1 (en) * 2000-02-29 2001-09-12 Bombardier Inc. Four stroke engine with intake manifold
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
DE102009011983A1 (de) 2009-03-05 2010-09-09 Schaeffler Technologies Gmbh & Co. Kg Hydraulikeinheit für einen Zylinderkopf einer Brennkraftmaschine mit hydraulisch variablem Gaswechselventiltrieb

Patent Citations (4)

* 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
DE4206696A1 (de) * 1992-03-04 1993-09-09 Bosch Gmbh Robert Hydraulische ventilsteuervorrichtung fuer motorventile
WO2001020150A1 (fr) * 1999-09-17 2001-03-22 Diesel Engine Retarders, Inc. Accumulateur a volume captif pour systeme a perte de mouvement
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

Also Published As

Publication number Publication date
US20110259288A1 (en) 2011-10-27
EP2381075B1 (fr) 2013-10-16
DE102010018209A1 (de) 2011-10-27
US8413621B2 (en) 2013-04-09
EP2381075A2 (fr) 2011-10-26

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