ATE267952T1 - Brennkraftmaschine mit variabler hydraulischer ventilsteuerung - Google Patents

Brennkraftmaschine mit variabler hydraulischer ventilsteuerung

Info

Publication number
ATE267952T1
ATE267952T1 AT02005791T AT02005791T ATE267952T1 AT E267952 T1 ATE267952 T1 AT E267952T1 AT 02005791 T AT02005791 T AT 02005791T AT 02005791 T AT02005791 T AT 02005791T AT E267952 T1 ATE267952 T1 AT E267952T1
Authority
AT
Austria
Prior art keywords
combustion engine
valve control
hydraulic valve
variable hydraulic
variable
Prior art date
Application number
AT02005791T
Other languages
English (en)
Inventor
Stefano Chiappini
Andrea Pecori
Francesco Vattaneo
Original Assignee
Fiat Ricerche
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 Fiat Ricerche filed Critical Fiat Ricerche
Application granted granted Critical
Publication of ATE267952T1 publication Critical patent/ATE267952T1/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
    • 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
    • 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

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)
AT02005791T 2001-03-23 2002-03-14 Brennkraftmaschine mit variabler hydraulischer ventilsteuerung ATE267952T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2001TO000271A ITTO20010271A1 (it) 2001-03-23 2001-03-23 Perfezionamenti ai motori a combustione interna con sistema idraulicoper l'azionamento variabile delle valvole del motore.

Publications (1)

Publication Number Publication Date
ATE267952T1 true ATE267952T1 (de) 2004-06-15

Family

ID=11458719

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02005791T ATE267952T1 (de) 2001-03-23 2002-03-14 Brennkraftmaschine mit variabler hydraulischer ventilsteuerung

Country Status (7)

Country Link
US (1) US6712030B2 (de)
EP (1) EP1243762B1 (de)
JP (1) JP4009477B2 (de)
AT (1) ATE267952T1 (de)
DE (1) DE60200525T2 (de)
ES (1) ES2217213T3 (de)
IT (1) ITTO20010271A1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2108800B1 (de) 2008-04-10 2010-05-26 C.R.F. Società Consortile per Azioni Turbokraftstoffmotor mit variabler Steuerung der Aufnahmeventile
ATE499511T1 (de) 2008-11-07 2011-03-15 Fiat Ricerche Dieselmotor mit variabler einlassventilbetätigung und einer internen abgasrückführung
EP2184451B1 (de) 2008-11-07 2011-08-17 C.R.F. Società Consortile per Azioni Dieselmotor mit Nocken zum betätigen von Einlassventilen, welche einen Hauptnocken und einen Hilfsnocken, die miteinander verbunden sind, aufweisen
EP2204566B1 (de) 2008-12-29 2011-06-29 Fiat Group Automobiles S.p.A. Adaptives Steuersystem des Luft-Kraftstoff-Verhältnisses einer Brennkraftmaschine mit einem variablen Ventilsteuerungssystem
EP2397674B1 (de) 2010-06-18 2012-10-24 C.R.F. Società Consortile per Azioni Verbrennungsmotor mit Zylindern, die aktiviert werden können, mit Abgasrückführung durch die variable Steuerung der Aufnahmeventile, und Verfahren zur Steuerung eines Verbrennungsmotors
EP2653703B1 (de) 2012-04-19 2014-04-30 C.R.F. Società Consortile per Azioni Brennkraftmaschine mit abschaltbaren Zylindern, wobei die deaktivierten Zylinder Abgas in den aktiven Zylindern pumpen; und entsprechendes Steuerverfahren

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2468733A1 (fr) * 1979-10-26 1981-05-08 Renault Poussoir hydraulique destine au reglage de la course d'une soupape de moteur a explosion
DE3135650A1 (de) * 1981-09-09 1983-03-17 Robert Bosch Gmbh, 7000 Stuttgart "ventilsteuerung fuer hubkolben-brennkraftmaschinen mit mechanisch-hydraulischen bewegungsuebertragungsmitteln"
DE3511819A1 (de) * 1985-03-30 1986-10-09 Robert Bosch Gmbh, 7000 Stuttgart Ventilsteuervorrichtung
DE3532549A1 (de) * 1985-09-12 1987-03-19 Bosch Gmbh Robert Ventilsteuervorrichtung
JPH01134018A (ja) * 1987-11-19 1989-05-26 Honda Motor Co Ltd 内燃機関の動弁装置
DE3815668A1 (de) * 1988-05-07 1989-11-16 Bosch Gmbh Robert Ventilsteuervorrichtung mit magnetventil fuer brennkraftmaschinen
JPH0357805A (ja) * 1989-07-26 1991-03-13 Fuji Heavy Ind Ltd 可変バルブタイミング装置
JPH086571B2 (ja) * 1989-09-08 1996-01-24 本田技研工業株式会社 内燃機関の動弁装置
JPH03260344A (ja) * 1990-03-08 1991-11-20 Honda Motor Co Ltd 内燃エンジンの制御方法
US5577468A (en) * 1991-11-29 1996-11-26 Caterpillar Inc. Engine valve seating velocity hydraulic snubber
US5499606A (en) * 1995-01-11 1996-03-19 Siemens Automotive Corporation Variable timing of multiple engine cylinder valves
IT1285853B1 (it) 1996-04-24 1998-06-24 Fiat Ricerche Motore a combustione interna con valvole ad azionamento variabile.
JP4596643B2 (ja) * 1997-11-21 2010-12-08 ジェイコブス ビークル システムズ、インコーポレイテッド 制限式ロストモーション・タペットの弁着座速度制限装置
IT1307361B1 (it) 1999-10-06 2001-11-06 Fiat Ricerche Perfezionamenti ai motori a combustione interna con valvole adazionamento variabile.

Also Published As

Publication number Publication date
ES2217213T3 (es) 2004-11-01
ITTO20010271A0 (it) 2001-03-23
EP1243762B1 (de) 2004-05-26
JP4009477B2 (ja) 2007-11-14
DE60200525D1 (de) 2004-07-01
JP2002295216A (ja) 2002-10-09
ITTO20010271A1 (it) 2002-09-23
US6712030B2 (en) 2004-03-30
DE60200525T2 (de) 2005-06-23
US20020134331A1 (en) 2002-09-26
EP1243762A2 (de) 2002-09-25
EP1243762A3 (de) 2003-07-02

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