ITTO20020149A1 - Motore pluricilindrico a combustione interna con dispositivo idraulico a controllo elettronico per l'azionamento variabile delle valvole, in - Google Patents

Motore pluricilindrico a combustione interna con dispositivo idraulico a controllo elettronico per l'azionamento variabile delle valvole, in

Info

Publication number
ITTO20020149A1
ITTO20020149A1 IT2002TO000149A ITTO20020149A ITTO20020149A1 IT TO20020149 A1 ITTO20020149 A1 IT TO20020149A1 IT 2002TO000149 A IT2002TO000149 A IT 2002TO000149A IT TO20020149 A ITTO20020149 A IT TO20020149A IT TO20020149 A1 ITTO20020149 A1 IT TO20020149A1
Authority
IT
Italy
Prior art keywords
hydraulic device
internal combustion
variable valve
electronically controlled
cylinder engine
Prior art date
Application number
IT2002TO000149A
Other languages
English (en)
Inventor
Andrea Pecori
Lorentino Macor
Francesco Vattaneo
Original Assignee
C R F Societa Con Sortile Per
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 C R F Societa Con Sortile Per filed Critical C R F Societa Con Sortile Per
Priority to IT2002TO000149A priority Critical patent/ITTO20020149A1/it
Publication of ITTO20020149A0 publication Critical patent/ITTO20020149A0/it
Priority to EP02017369A priority patent/EP1338764B1/en
Priority to ES02017369T priority patent/ES2213131T3/es
Priority to AT02017369T priority patent/ATE261543T1/de
Priority to DE60200252T priority patent/DE60200252T2/de
Priority to JP2002283277A priority patent/JP4116386B2/ja
Priority to US10/259,450 priority patent/US6601553B1/en
Publication of ITTO20020149A1 publication Critical patent/ITTO20020149A1/it

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
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/12—Transmitting gear between valve drive and valve
    • F01L1/14—Tappets; Push rods
    • F01L1/143—Tappets; Push rods for use with overhead camshafts
    • 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)
IT2002TO000149A 2002-02-21 2002-02-21 Motore pluricilindrico a combustione interna con dispositivo idraulico a controllo elettronico per l'azionamento variabile delle valvole, in ITTO20020149A1 (it)

Priority Applications (7)

Application Number Priority Date Filing Date Title
IT2002TO000149A ITTO20020149A1 (it) 2002-02-21 2002-02-21 Motore pluricilindrico a combustione interna con dispositivo idraulico a controllo elettronico per l'azionamento variabile delle valvole, in
EP02017369A EP1338764B1 (en) 2002-02-21 2002-08-02 A multicylinder internal-combustion engine with electronically controlled hydraulic device for controlling variable actuation of the valves, integrated in a pre-assembled unit mounted on the engine cylinder head
ES02017369T ES2213131T3 (es) 2002-02-21 2002-08-02 Motor de combustion interna de multiples cilindros dotado de un dispositivo hidraulico controlado electronicamente para el control de una actuacion variable de las valvulas, integrado en una unidad premontada y situada en la culata del motor.
AT02017369T ATE261543T1 (de) 2002-02-21 2002-08-02 Mehrzylinder-verbrennungsmotor mit elektronisch gesteuerter hydraulikvorrichtung zur kontrolle der variablen betätigung der ventile, die in einer auf dem zylinderkopf angeordneten, vormontierten einzelbaugruppe integriert ist
DE60200252T DE60200252T2 (de) 2002-02-21 2002-08-02 Mehrzylinder-Verbrennungsmotor mit elektronisch gesteuerter Hydraulikvorrichtung zur Kontrolle der variablen Betätigung der Ventile, die in einer auf dem Zylinderkopf angeordneten, vormontierten Einzelbaugruppe integriert ist
JP2002283277A JP4116386B2 (ja) 2002-02-21 2002-09-27 エンジンシリンダヘッドに設置された予め組立てられたユニットと一体化された、弁の可変動作を制御するための電子制御油圧デバイスを備えた多気筒内燃機関
US10/259,450 US6601553B1 (en) 2002-02-21 2002-09-30 Multicylinder internal-combustion engine with electronically controlled hydraulic device for controlling variable actuation of the valves, integrated in a pre-assembled unit mounted on the engine cylinder head

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2002TO000149A ITTO20020149A1 (it) 2002-02-21 2002-02-21 Motore pluricilindrico a combustione interna con dispositivo idraulico a controllo elettronico per l'azionamento variabile delle valvole, in

Publications (2)

Publication Number Publication Date
ITTO20020149A0 ITTO20020149A0 (it) 2002-02-21
ITTO20020149A1 true ITTO20020149A1 (it) 2003-08-21

Family

ID=27621227

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2002TO000149A ITTO20020149A1 (it) 2002-02-21 2002-02-21 Motore pluricilindrico a combustione interna con dispositivo idraulico a controllo elettronico per l'azionamento variabile delle valvole, in

Country Status (7)

Country Link
US (1) US6601553B1 (it)
EP (1) EP1338764B1 (it)
JP (1) JP4116386B2 (it)
AT (1) ATE261543T1 (it)
DE (1) DE60200252T2 (it)
ES (1) ES2213131T3 (it)
IT (1) ITTO20020149A1 (it)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004004753A1 (de) * 2004-01-30 2005-08-18 Mann + Hummel Gmbh Zylinderkopfhaube
EP1653057B1 (en) * 2004-10-28 2007-03-28 C.R.F. Società Consortile per Azioni Internal combustion engine having an electronically controlled hydraulic device for variably actuating intake valves
DE102006008676A1 (de) * 2006-02-24 2007-08-30 Schaeffler Kg Zylinderkopf einer Brennkraftmaschine mit elektrohydraulischer Ventilsteuerung
DE102007020431B4 (de) 2007-04-27 2010-07-22 Schwäbische Hüttenwerke Automotive GmbH & Co. KG Nockenwellenphasensteller und Vakuumpumpe für eine Brennkraftmaschine
DE602008001371D1 (de) 2008-04-10 2010-07-08 Fiat Ricerche 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 (en) 2008-11-07 2011-08-17 C.R.F. Società Consortile per Azioni Diesel engine having cams for driving the intake valves which have a main lobe and an additional lobe connected to each other
EP2204566B1 (en) 2008-12-29 2011-06-29 Fiat Group Automobiles S.p.A. Adaptive control system of the air-fuel ratio of an internal combustione engine with a variable valve timing system
ATE534806T1 (de) 2009-06-30 2011-12-15 Fiat Ricerche Hydraulisches system unter elektronischer kontrolle zur variablen betätigung der ventile einer brennkraftmaschine, mit schneller befüllung der hochdrukteils des systems
EP2397674B1 (en) * 2010-06-18 2012-10-24 C.R.F. Società Consortile per Azioni Internal combustion engine with cylinders that can be de-activated, with exhaust gas recirculation by variable control of the intake valves, and method for controlling an internal combustion engine
US8833321B2 (en) * 2011-01-05 2014-09-16 Chrysler Group Llc Cylinder head cover module with integrated valve train
EP2554807B1 (en) 2011-08-01 2014-01-01 C.R.F. Società Consortile per Azioni Multi-cylinder internal combustion engine with a system for variable actuation of the intake valves subdivided into separate sub-units
EP2554830A1 (en) 2011-08-01 2013-02-06 C.R.F. Società Consortile per Azioni Multi-cylinder internal combustion engine with a system for variable actuation of the intake valves and an injector housing having a raised sealing edge
EP2597276B1 (en) * 2011-11-24 2014-04-16 C.R.F. Società Consortile per Azioni Internal combustion engine having a system for variable actuation of the intake valves, provided with a three-way solenoid valve
EP2653703B1 (en) 2012-04-19 2014-04-30 C.R.F. Società Consortile per Azioni Internal combustion engine with cylinders which can be deactivated, in which the deactivated cylinders are used as pumps for recirculating exhaust gases into the active cylinders, and method for controlling this engine
EP2657470B1 (en) 2012-04-26 2015-05-27 C.R.F. Società Consortile per Azioni A method for controlling a valve control system with variable valve lift of an internal combustion engine by operating a compensation in response to the deviation of the characteristics of a working fluid with respect to nominal conditions
DE102012212989A1 (de) * 2012-07-24 2014-01-30 Schaeffler Technologies AG & Co. KG Verfahren zum Betrieb einer Brennkraftmaschine mit elektrohydraulischer Ventilsteuerung
DE102012213399A1 (de) 2012-07-31 2014-02-06 Schaeffler Technologies AG & Co. KG Verfahren zur Regelung eines Schaltvorgangs von elektromagnetisch betätigten Schaltventilen
EP2693009B1 (en) 2012-07-31 2014-12-10 C.R.F. Società Consortile per Azioni Internal-combustion engine having a system for variable actuation of the intake valves, provided with three-way solenoid valves, and method for controlling said engine
DE102013224501A1 (de) 2013-11-29 2015-06-03 Schaeffler Technologies AG & Co. KG Verzögerungseinheit mit Schiebehülse für ein Gaswechselventil

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1056206A (fr) * 1952-01-12 1954-02-25 Commande hydraulique de soupapes
JPS543B2 (it) * 1974-02-28 1979-01-05
US4615306A (en) * 1984-01-30 1986-10-07 Allied Corporation Engine valve timing control system
DE3511819A1 (de) * 1985-03-30 1986-10-09 Robert Bosch Gmbh, 7000 Stuttgart Ventilsteuervorrichtung
DE3641129C1 (de) * 1986-12-02 1987-07-30 Daimler Benz Ag Vorrichtung zur Lagerung von zwei Nockenwellen im Zylinderkopf einer mehrzylindrigen Reihenbrennkraftmaschine
US4887562A (en) * 1988-09-28 1989-12-19 Siemens-Bendix Automotive Electronics L.P. Modular, self-contained hydraulic valve timing systems for internal combustion engines
IT1285853B1 (it) * 1996-04-24 1998-06-24 Fiat Ricerche Motore a combustione interna con valvole ad azionamento variabile.
IT1302071B1 (it) * 1998-02-26 2000-07-20 Fiat Ricerche Motore a combustione interna con valvole ad azionamento variabile.
GB2348245B (en) * 1999-03-25 2002-10-23 Ricardo Inc Valvegear for engines of reciprocating piston type

Also Published As

Publication number Publication date
EP1338764A1 (en) 2003-08-27
JP2003254021A (ja) 2003-09-10
ATE261543T1 (de) 2004-03-15
DE60200252D1 (de) 2004-04-15
ES2213131T3 (es) 2004-08-16
US20030154938A1 (en) 2003-08-21
JP4116386B2 (ja) 2008-07-09
DE60200252T2 (de) 2004-08-12
ITTO20020149A0 (it) 2002-02-21
EP1338764B1 (en) 2004-03-10
US6601553B1 (en) 2003-08-05

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