ITTO960327A0 - Motore a combustione interna con valvole ad azionamento variabile. - Google Patents

Motore a combustione interna con valvole ad azionamento variabile.

Info

Publication number
ITTO960327A0
ITTO960327A0 ITTO960327A ITTO960327A ITTO960327A0 IT TO960327 A0 ITTO960327 A0 IT TO960327A0 IT TO960327 A ITTO960327 A IT TO960327A IT TO960327 A ITTO960327 A IT TO960327A IT TO960327 A0 ITTO960327 A0 IT TO960327A0
Authority
IT
Italy
Prior art keywords
combustion engine
internal combustion
actuating valves
variable actuating
variable
Prior art date
Application number
ITTO960327A
Other languages
English (en)
Inventor
Francesco Vattaneo
Original Assignee
Francesco Vattaneo
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 Francesco Vattaneo filed Critical Francesco Vattaneo
Priority to IT96TO000327A priority Critical patent/IT1285853B1/it
Publication of ITTO960327A0 publication Critical patent/ITTO960327A0/it
Priority to DE69703511T priority patent/DE69703511T2/de
Priority to ES97830123T priority patent/ES2154450T3/es
Priority to EP97830123A priority patent/EP0803642B1/en
Priority to US08/847,361 priority patent/US5839400A/en
Publication of ITTO960327A1 publication Critical patent/ITTO960327A1/it
Application granted granted Critical
Publication of IT1285853B1 publication Critical patent/IT1285853B1/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
    • F01L1/26—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of two or more valves operated simultaneously by same transmitting-gear; peculiar to machines or engines with more than two lift-valves per cylinder
    • 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
    • F01L13/0005—Deactivating valves
    • 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
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D13/00—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing
    • F02D13/02—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing during engine operation
    • F02D13/0203—Variable control of intake and exhaust valves
    • F02D13/0207—Variable control of intake and exhaust valves changing valve lift or valve lift and timing
    • F02D13/0211—Variable control of intake and exhaust valves changing valve lift or valve lift and timing the change of valve timing is caused by the change in valve lift, i.e. both valve lift and timing are functionally related
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D13/00—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing
    • F02D13/02—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing during engine operation
    • F02D13/0257—Independent control of two or more intake or exhaust valves respectively, i.e. one of two intake valves remains closed or is opened partially while the other is fully opened
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D13/00—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing
    • F02D13/02—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing during engine operation
    • F02D13/0273—Multiple actuations of a valve within an engine cycle
    • 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)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Valve Device For Special Equipments (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)
IT96TO000327A 1996-04-24 1996-04-24 Motore a combustione interna con valvole ad azionamento variabile. IT1285853B1 (it)

Priority Applications (5)

Application Number Priority Date Filing Date Title
IT96TO000327A IT1285853B1 (it) 1996-04-24 1996-04-24 Motore a combustione interna con valvole ad azionamento variabile.
DE69703511T DE69703511T2 (de) 1996-04-24 1997-03-19 Brennkraftmaschine mit verstellbarem Ventilantrieb
ES97830123T ES2154450T3 (es) 1996-04-24 1997-03-19 Motor de combustion interna con valvulas de gobierno variable.
EP97830123A EP0803642B1 (en) 1996-04-24 1997-03-19 Internal combustion engine with variably actuated valves
US08/847,361 US5839400A (en) 1996-04-24 1997-04-24 Internal combustion engine with variably actuated valves

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT96TO000327A IT1285853B1 (it) 1996-04-24 1996-04-24 Motore a combustione interna con valvole ad azionamento variabile.

Publications (3)

Publication Number Publication Date
ITTO960327A0 true ITTO960327A0 (it) 1996-04-24
ITTO960327A1 ITTO960327A1 (it) 1997-10-24
IT1285853B1 IT1285853B1 (it) 1998-06-24

Family

ID=11414578

Family Applications (1)

Application Number Title Priority Date Filing Date
IT96TO000327A IT1285853B1 (it) 1996-04-24 1996-04-24 Motore a combustione interna con valvole ad azionamento variabile.

Country Status (5)

Country Link
US (1) US5839400A (it)
EP (1) EP0803642B1 (it)
DE (1) DE69703511T2 (it)
ES (1) ES2154450T3 (it)
IT (1) IT1285853B1 (it)

Families Citing this family (93)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6951211B2 (en) 1996-07-17 2005-10-04 Bryant Clyde C Cold air super-charged internal combustion engine, working cycle and method
US8215292B2 (en) 1996-07-17 2012-07-10 Bryant Clyde C Internal combustion engine and working cycle
IT1291490B1 (it) * 1997-02-04 1999-01-11 C R F Societa Consotile Per Az Motore pluricilindrico a ciclo diesel con valvole ad azionamento variabile
JPH10331616A (ja) * 1997-05-29 1998-12-15 Honda Motor Co Ltd 内燃機関の動弁装置
WO1999023378A1 (en) * 1997-11-04 1999-05-14 Diesel Engine Retarders, Inc. Lost motion valve actuation system
JP3887086B2 (ja) * 1997-11-19 2007-02-28 ヤマハ発動機株式会社 内燃機関の燃料系搭載構造
US8820276B2 (en) 1997-12-11 2014-09-02 Jacobs Vehicle Systems, Inc. Variable lost motion valve actuator and method
ITTO980060A1 (it) * 1998-01-23 1999-07-23 Fiat Ricerche Perfezionamenti ai motori a combustione intenra con valvole ad azionam ento variabile.
IT1302071B1 (it) * 1998-02-26 2000-07-20 Fiat Ricerche Motore a combustione interna con valvole ad azionamento variabile.
DE19858213A1 (de) * 1998-12-17 2000-06-21 Man Nutzfahrzeuge Ag Hydraulisch geregelte, zwangsgesteuerte Ventilhubbetätigung für einen Mehrventilzylinderkopf mit integriertem Ventilspielausgleich
GB2348245B (en) * 1999-03-25 2002-10-23 Ricardo Inc Valvegear for engines of reciprocating piston type
IT1307361B1 (it) 1999-10-06 2001-11-06 Fiat Ricerche Perfezionamenti ai motori a combustione interna con valvole adazionamento variabile.
US6308681B1 (en) 1999-12-29 2001-10-30 Hector A. Gubler Valve-arrangement for controlling gas in a piston-type internal-combustion engine
IT1319908B1 (it) * 2000-02-10 2003-11-12 Gianluigi Buglioni Valvole per motori endotermici ad alzate e fasature variabili.
DE10016103A1 (de) * 2000-03-31 2001-10-04 Audi Ag Variable Ventilsteuerung
US6321706B1 (en) * 2000-08-10 2001-11-27 Borgwarner Inc. Variable valve opening duration system
US6553961B2 (en) 2000-12-05 2003-04-29 Ford Global Technologies, Llc Intake valve timing in multi-valve, camless engines
ITTO20010272A1 (it) * 2001-03-23 2002-09-23 Fiat Ricerche Motore a combustione interna con valvole ad azionamento variabile e punteria idraulica ausiliaria.
ITTO20010273A1 (it) 2001-03-23 2002-09-23 Fiat Ricerche Motore a combustione interna con sistema idraulico per l'azionamento variabile delle valvole e con mezzi di spurgo dell'aria dal sistema idr
ITTO20010271A1 (it) 2001-03-23 2002-09-23 Fiat Ricerche Perfezionamenti ai motori a combustione interna con sistema idraulicoper l'azionamento variabile delle valvole del motore.
ITTO20010270A1 (it) 2001-03-23 2002-09-23 Fiat Ricerche Motore a combustione interna con sistema idraulico di azionamento variabile delle valvole e punteria a doppio stantuffo.
AT5399U1 (de) * 2001-09-25 2002-06-25 Avl List Gmbh Variabler ventiltrieb
US6584951B1 (en) * 2001-12-06 2003-07-01 General Motors Corporation Individual hydraulic circuit modules for engine with hydraulically-controlled cylinder deactivation
US7347171B2 (en) * 2002-02-04 2008-03-25 Caterpillar Inc. Engine valve actuator providing Miller cycle benefits
US6732685B2 (en) * 2002-02-04 2004-05-11 Caterpillar Inc Engine valve actuator
ITTO20020149A1 (it) * 2002-02-21 2003-08-21 C R F Societa Con Sortile Per Motore pluricilindrico a combustione interna con dispositivo idraulico a controllo elettronico per l'azionamento variabile delle valvole, in
US6772742B2 (en) * 2002-03-01 2004-08-10 International Engine Intellectual Property Company, Llc Method and apparatus for flexibly regulating internal combustion engine valve flow
ITTO20020234A1 (it) * 2002-03-15 2003-09-15 Fiat Ricerche Motore pluricilindrico a combustione interna con dispositivo idraulico a controllo elettronico per l'azionamento variabile delle valvole e d
US7069887B2 (en) 2002-05-14 2006-07-04 Caterpillar Inc. Engine valve actuation system
US6941909B2 (en) * 2003-06-10 2005-09-13 Caterpillar Inc System and method for actuating an engine valve
US7004122B2 (en) 2002-05-14 2006-02-28 Caterpillar Inc Engine valve actuation system
US7080614B2 (en) 2002-05-31 2006-07-25 Ina-Schaeffler Kg Hydraulically actuated, variable valve drive of an internal combustion engine
DE10224038A1 (de) 2002-05-31 2003-12-11 Ina Schaeffler Kg Hydraulisch betätigter, variabler Ventiltrieb einer Brennkraftmaschine
DE10224039A1 (de) * 2002-05-31 2003-12-11 Ina Schaeffler Kg Hydraulisch betätigter, variabler Ventiltrieb einer Brennkraftmaschine
ITTO20020569A1 (it) 2002-07-01 2004-01-02 Fiat Ricerche Motore a combustione interna con sistema idraulico a controllo elettronico per l'azionamento delle valvole di aspirazione, con mezzi di comp
US6912458B2 (en) * 2003-06-25 2005-06-28 Caterpillar Inc Variable valve actuation control for operation at altitude
DE602004004997T2 (de) 2004-01-16 2007-11-08 C.R.F. S.C.P.A. Brennkraftmaschine mit einer einzigen obenliegenden Nockenwelle zur mechanischen Steuerung der Auslassventile und zur elektrohydraulischen Steuerung der Einlassventile
JP2006029247A (ja) * 2004-07-20 2006-02-02 Denso Corp エンジンの停止始動制御装置
DE602004006121T2 (de) 2004-09-14 2007-08-30 C.R.F. S.C.P.A. Brennkraftmaschine mit variabler und hydraulischer Ventilsteuerung durch Kipphebel
ES2277232T3 (es) 2004-09-14 2007-07-01 C.R.F. Societa Consortile Per Azioni Motor de combustion interna provisto de valvulas accionadas de manera variable, estando provista cada una de ellas de un taque hidraulico en la parte exterior de la unidad de accionamiento asociada.
ATE358227T1 (de) 2004-10-28 2007-04-15 Fiat Ricerche Brennkraftmaschine mit einer elektronischen steuerung für eine hydraulikvorrichtung zur variablen betätigung von einla ventilen
EP1674673B1 (en) 2004-12-23 2007-03-21 C.R.F. Società Consortile per Azioni Internal combustion engine with hydraulic variable valves
EP1728978B1 (en) * 2005-05-24 2007-10-31 C.R.F. Società Consortile per Azioni System and method for controlling load and combustion in an internal-combustion engine by valve actuation according to a multiple lift (multilift) cycle
US8528511B2 (en) 2005-09-23 2013-09-10 Jp Scope, Inc. Variable travel valve apparatus for an internal combustion engine
AU2006292105B2 (en) 2005-09-23 2011-03-17 Jp Scope, Inc. Valve apparatus for an internal combustion engine
JP4616229B2 (ja) 2006-09-29 2011-01-19 本田技研工業株式会社 多気筒内燃機関
ATE417997T1 (de) 2006-12-20 2009-01-15 Fiat Ricerche Verbrennungsmotor mit einlassventilen mit variabler betätigung und einem stiefelartigen hubprofil mit einem profilteil mit konstantem hub
US7677211B2 (en) * 2007-01-31 2010-03-16 Gm Global Technology Operations, Inc. Single hydraulic circuit module for dual lift of multiple engine valves
EP2017439B1 (en) 2007-07-20 2009-09-09 C.R.F. Società Consortile per Azioni System and method for controlling a solenoid valve, particularly for a system for variable actuation of the valves of an internal combustion engine according to a multi-lift mode
ATE469293T1 (de) 2008-04-10 2010-06-15 Fiat Ricerche Turbokraftstoffmotor mit variabler steuerung der aufnahmeventile
DE602008002915D1 (de) 2008-06-25 2010-11-18 Fiat Ricerche Verbrennungsmotor, insbesondere Zwei-Zylinder-Motor mit einem vereinfachten System zur verstellbaren Betätigung der Motorventile
EP2184453A1 (en) 2008-11-05 2010-05-12 Delphi Technologies, Inc. Valve gear assembly for an internal combustion engine
ATE520866T1 (de) 2008-11-07 2011-09-15 Fiat Ricerche Dieselmotor mit nocken zum betätigen von einlassventilen, welche einen hauptnocken und einen hilfsnocken, die miteinander verbunden sind,aufweisen
ATE499511T1 (de) 2008-11-07 2011-03-15 Fiat Ricerche Dieselmotor mit variabler einlassventilbetätigung und einer internen abgasrückführung
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
EP2261471B1 (en) 2009-05-25 2014-09-17 C.R.F. Società Consortile per Azioni Internal combustion engine with two hydraulically actuated intake valves with different return springs for each cylinder
US20110214632A1 (en) * 2010-03-08 2011-09-08 Manousos Pattakos Hydro-mechanical variable valve actuation
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
EP2474714B1 (en) * 2010-12-23 2013-04-03 C.R.F. Società Consortile per Azioni Internal combustion engine with wall masking the curtain area of the intake valves
EP2489862B1 (en) 2011-02-18 2014-09-24 C.R.F. Società Consortile per Azioni Internal combustion engine with gasoline direct injection, having a system for variable actuation of the intake valves
EP2511489B1 (en) 2011-04-14 2013-05-29 C.R.F. Società Consortile per Azioni Internal combustion engine with hydro-mechanic valve actuation system for the intake valve and its solenoid control valve
EP2511504B1 (en) 2011-04-15 2015-03-25 C.R.F. Società Consortile per Azioni Multi-cylinder internal combustion engine with a system for variable actuation of the intake valves and with compensation of the differences in the torque produced by the cylinders, and control method implemented in this engine
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
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
US8667940B2 (en) 2011-08-17 2014-03-11 GM Global Technology Operations LLC Engine assembly including valvetrain lubrication system
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
FR2986558B1 (fr) 2012-02-02 2014-03-07 Melchior Jean F Dispositif de commande variable d'au moins une soupape, par exemple pour un moteur alternatif
WO2013123211A1 (en) 2012-02-15 2013-08-22 Schaeffler Technologies AG & Co. KG Variable valve universal bracket design
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
DE102012211458B3 (de) 2012-07-03 2013-11-21 Schaeffler Technologies AG & Co. KG Deckel mit Ölspeicherfunktionalität für ein Gehäuse eines elektrohydraulischen Ventiltriebes eines Verbrennungsmotors
EP2693007B1 (en) 2012-07-31 2015-12-09 C.R.F. Società Consortile per Azioni Internal combustion engine having a system for variable actuation of the intake valves provided with three-ways solenoid valves and method for controlling this engine
US8893671B2 (en) 2012-08-22 2014-11-25 Jack R. Taylor Full expansion internal combustion engine with co-annular pistons
DE102012215250A1 (de) 2012-08-28 2014-03-06 Schaeffler Technologies AG & Co. KG Gehäuse eines elektrohydraulischen Ventiltriebes und Verfahren zu dessen Montage
WO2014128526A1 (en) 2013-02-20 2014-08-28 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
EP2796675B1 (en) 2013-04-26 2016-11-23 C.R.F. Società Consortile per Azioni Internal combustion engine with a system for variable actuation of the intake valves provided with three-ways electric valves, and method for controlling this engine in a "single-lift" mode
EP2801706B1 (en) 2013-05-09 2016-06-15 C.R.F. Società Consortile per Azioni Internal combustion engine, with a system for variable actuation of the intake valves provided with a three-way electric valve having three levels of supplying current, and method for controlling this engine
EP2803828B1 (en) 2013-05-17 2015-08-19 C.R.F. Società Consortile per Azioni A spark ignition internal combustion engine having intake valves with variable actuation and delayed closure
EP2832960B1 (en) 2013-08-01 2015-09-16 C.R.F. Società Consortile per Azioni Internal combustion engine having a system for variable actuation of the intake valves, provided with an electrically actuated control valve having two ways and three positions
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
EP3032054B1 (en) 2014-12-10 2017-03-29 C.R.F. Società Consortile per Azioni Internal combustion engine with an electronically controlled hydraulic system for variable actuation of the intake valves, provided with a device for refilling the system with fluid
EP3156619B1 (en) 2015-10-13 2018-06-06 C.R.F. Società Consortile per Azioni System and method for variable actuation of a valve of an internal combustion engine, with a device for dampening pressure oscillations
EP3181842B1 (en) 2015-12-17 2019-06-19 C.R.F. Società Consortile per Azioni System and method for variable actuation of a valve of an internal combustion engine, with an electrically operated control valve having an improved control
MX2019002668A (es) 2016-09-09 2020-08-13 Charles Price Aparato de válvulas de desplazamiento variable para un motor de combustión interna.
US10612427B2 (en) * 2017-08-28 2020-04-07 Schaeffler Technologies AG & Co. KG Solenoid valve control for noise reduction in a variable valve lift system
EP3489475B1 (en) 2017-11-27 2020-02-12 C.R.F. Società Consortile per Azioni System and method for actuation of an engine valve of an internal combustion engine
US11326482B2 (en) * 2018-11-14 2022-05-10 Ford Global Technologies, Llc Method and system for a continuously variable valve lift system
EP3832077A1 (en) 2019-12-02 2021-06-09 C.R.F. Società Consortile per Azioni Internal combustion engine with fast combustion, and method for controlling the engine
EP3832078B1 (en) 2019-12-02 2022-07-27 C.R.F. Società Consortile per Azioni System and method for variable actuation of valves of an internal combustion engine
EP4015787B1 (en) 2020-12-17 2024-01-24 C.R.F. Società Consortile per Azioni Internal combustion engine with fast combustion, and method for controlling the engine
EP4043700A1 (en) 2021-02-16 2022-08-17 C.R.F. Società Consortile per Azioni Internal combustion engine with fast combustion, and method for controlling an internal combustion engine
EP4074945B1 (en) 2021-04-13 2023-05-31 C.R.F. Società Consortile per Azioni System for actuation of an intake valve of an internal combustion engine
EP4180640A1 (en) 2021-11-16 2023-05-17 C.R.F. Società Consortile per Azioni Multi-cylinder internal combustion engine, with cylinders equipped with intake valve variable actuation systems having hydraulic circuits which cross each other

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3422803A (en) * 1967-06-07 1969-01-21 Gen Motors Corp Internal combustion engine construction and method for operation with lean air-fuel mixtures
US3683874A (en) * 1970-09-08 1972-08-15 Martin John Berlyn Valve actuating means
US4357917A (en) * 1978-05-15 1982-11-09 Nissan Motor Company, Limited Variable valve timing system for induction control of an internal combustion engine
JPH0612058B2 (ja) * 1984-12-27 1994-02-16 トヨタ自動車株式会社 可変バルブタイミング・リフト装置
DE3532549A1 (de) 1985-09-12 1987-03-19 Bosch Gmbh Robert Ventilsteuervorrichtung
US4875455A (en) * 1987-04-28 1989-10-24 Mazda Motor Corporation Automobile exhaust gas recirculating system
JPH01253515A (ja) 1987-11-19 1989-10-09 Honda Motor Co Ltd 内燃機関の動弁装置
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
DE3834882A1 (de) 1988-10-13 1990-04-19 Bosch Gmbh Robert Ventilsteuervorrichtung fuer brennkraftmaschinen
EP0373145A1 (de) * 1988-12-02 1990-06-13 AVL Gesellschaft für Verbrennungskraftmaschinen und Messtechnik mbH.Prof.Dr.Dr.h.c. Hans List Brennkraftmaschine mit je zwei Einlassventilen pro Zylinder
JP2580823B2 (ja) * 1989-03-31 1997-02-12 三菱自動車工業株式会社 成層燃焼型内燃エンジン
DE69014960T2 (de) * 1989-04-07 1995-05-04 Honda Motor Co Ltd Einlassvorrichtung für Brennkraftmaschine.
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
DE3940752A1 (de) * 1989-12-09 1991-06-13 Bosch Gmbh Robert Verfahren zum steuern eines ottomotors ohne drosselklappe
AT402535B (de) * 1990-02-23 1997-06-25 Avl Verbrennungskraft Messtech Brennkraftmaschine mit zumindest zwei einlassventilen je motorzylinder
JPH03260344A (ja) * 1990-03-08 1991-11-20 Honda Motor Co Ltd 内燃エンジンの制御方法
EP0638706A1 (de) * 1993-08-05 1995-02-15 Bayerische Motoren Werke Aktiengesellschaft Ventiltrieb einer Brennkraftmaschine
US5499606A (en) * 1995-01-11 1996-03-19 Siemens Automotive Corporation Variable timing of multiple engine cylinder valves

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EP0803642B1 (en) 2000-11-15
ES2154450T3 (es) 2001-04-01
ITTO960327A1 (it) 1997-10-24
DE69703511T2 (de) 2001-06-28
DE69703511D1 (de) 2000-12-21
EP0803642A1 (en) 1997-10-29
IT1285853B1 (it) 1998-06-24
US5839400A (en) 1998-11-24

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