ITTO990859A0 - Perfezionamenti ai motori a combustione interna con valvole ad azionam ento variabile - Google Patents

Perfezionamenti ai motori a combustione interna con valvole ad azionam ento variabile

Info

Publication number
ITTO990859A0
ITTO990859A0 IT99TO000859A ITTO990859A ITTO990859A0 IT TO990859 A0 ITTO990859 A0 IT TO990859A0 IT 99TO000859 A IT99TO000859 A IT 99TO000859A IT TO990859 A ITTO990859 A IT TO990859A IT TO990859 A0 ITTO990859 A0 IT TO990859A0
Authority
IT
Italy
Prior art keywords
internal combustion
combustion engines
actuating valves
variable actuating
variable
Prior art date
Application number
IT99TO000859A
Other languages
English (en)
Inventor
Stefano Albanello
Lorentino Macor
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
Priority to IT1999TO000859A priority Critical patent/IT1307361B1/it
Publication of ITTO990859A0 publication Critical patent/ITTO990859A0/it
Priority to DE60018347T priority patent/DE60018347T2/de
Priority to EP00830600A priority patent/EP1091097B1/en
Priority to ES00830600T priority patent/ES2235818T3/es
Priority to US09/672,023 priority patent/US6325028B1/en
Priority to JP2000308279A priority patent/JP4064612B2/ja
Publication of ITTO990859A1 publication Critical patent/ITTO990859A1/it
Application granted granted Critical
Publication of IT1307361B1 publication Critical patent/IT1307361B1/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
    • 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)
  • Output Control And Ontrol Of Special Type Engine (AREA)
IT1999TO000859A 1999-10-06 1999-10-06 Perfezionamenti ai motori a combustione interna con valvole adazionamento variabile. IT1307361B1 (it)

Priority Applications (6)

Application Number Priority Date Filing Date Title
IT1999TO000859A IT1307361B1 (it) 1999-10-06 1999-10-06 Perfezionamenti ai motori a combustione interna con valvole adazionamento variabile.
DE60018347T DE60018347T2 (de) 1999-10-06 2000-09-05 Verbesserungen in einer variablen Ventilsteuereinrichtung für eine Brennkraftmaschine
EP00830600A EP1091097B1 (en) 1999-10-06 2000-09-05 Improvements to internal combustion engines with valve variable actuation
ES00830600T ES2235818T3 (es) 1999-10-06 2000-09-05 Mejoras en motores de combustion interna con accionamiento de valvula variable.
US09/672,023 US6325028B1 (en) 1999-10-06 2000-09-29 Internal combustion engines with variable valve actuation
JP2000308279A JP4064612B2 (ja) 1999-10-06 2000-10-06 内燃機関

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT1999TO000859A IT1307361B1 (it) 1999-10-06 1999-10-06 Perfezionamenti ai motori a combustione interna con valvole adazionamento variabile.

Publications (3)

Publication Number Publication Date
ITTO990859A0 true ITTO990859A0 (it) 1999-10-06
ITTO990859A1 ITTO990859A1 (it) 2001-04-06
IT1307361B1 IT1307361B1 (it) 2001-11-06

Family

ID=11418121

Family Applications (1)

Application Number Title Priority Date Filing Date
IT1999TO000859A IT1307361B1 (it) 1999-10-06 1999-10-06 Perfezionamenti ai motori a combustione interna con valvole adazionamento variabile.

Country Status (6)

Country Link
US (1) US6325028B1 (it)
EP (1) EP1091097B1 (it)
JP (1) JP4064612B2 (it)
DE (1) DE60018347T2 (it)
ES (1) ES2235818T3 (it)
IT (1) IT1307361B1 (it)

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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.
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
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
DE10163824A1 (de) * 2001-12-22 2003-07-03 Ina Schaeffler Kg Nehmereinheit eines strömungsmittelbetätigten variablen Ventiltriebs einer Brennkraftmaschine
DE10224039A1 (de) * 2002-05-31 2003-12-11 Ina Schaeffler Kg Hydraulisch betätigter, variabler Ventiltrieb einer Brennkraftmaschine
US7080614B2 (en) 2002-05-31 2006-07-25 Ina-Schaeffler Kg Hydraulically actuated, variable valve drive of an internal combustion engine
DE10239748A1 (de) * 2002-08-29 2004-03-11 Ina-Schaeffler Kg Nehmereinheit eines strömungsmittelbetätigten variablen Ventiltriebs einer Brennkraftmaschine
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US6810841B1 (en) 2003-08-16 2004-11-02 Ford Global Technologies, Llc Electronic valve actuator control system and method
DE10353137A1 (de) * 2003-11-14 2005-06-09 Ina-Schaeffler Kg Variabler, hydraulischer Ventiltrieb
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
US7314026B2 (en) * 2004-01-21 2008-01-01 Ford Global Technologies, Llc Electronic valve actuator having hydraulic displacement amplifier
US6997433B2 (en) * 2004-01-21 2006-02-14 Ford Global Technologies, Llc Electronic valve actuator having vibration cancellation
US6886511B1 (en) 2004-04-07 2005-05-03 General Motors Corporation Lost motion assembly for a poppet valve of an internal combustion engine
DE602004006121T2 (de) 2004-09-14 2007-08-30 C.R.F. S.C.P.A. Brennkraftmaschine mit variabler und hydraulischer Ventilsteuerung durch Kipphebel
US7441523B2 (en) * 2006-03-28 2008-10-28 Mitsubishi Jidosha Kogyo Kabushiki Kaisha Variable valve device for internal combustion engine
ATE469293T1 (de) 2008-04-10 2010-06-15 Fiat Ricerche Turbokraftstoffmotor mit variabler steuerung der aufnahmeventile
US20090308340A1 (en) * 2008-06-11 2009-12-17 Gm Global Technology Operations, Inc. Cam-Driven Hydraulic Lost-Motion Mechanisms for Overhead Cam and Overhead Valve Valvetrains
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
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
DE102009042544A1 (de) 2009-09-22 2011-03-31 Schaeffler Technologies Gmbh & Co. Kg Elektrohydraulischer Ventiltrieb
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
DE102011007249A1 (de) * 2011-04-13 2012-10-18 Schaeffler Technologies AG & Co. KG Druckspeicher für eine Hydraulikeinheit
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
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
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
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
CN117569888B (zh) * 2024-01-19 2024-04-16 龙口中宇热管理系统科技有限公司 一种发动机动态闭缸气门控制机构、控制方法及发动机

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Also Published As

Publication number Publication date
JP2001132418A (ja) 2001-05-15
IT1307361B1 (it) 2001-11-06
EP1091097B1 (en) 2005-03-02
JP4064612B2 (ja) 2008-03-19
US6325028B1 (en) 2001-12-04
EP1091097A1 (en) 2001-04-11
ITTO990859A1 (it) 2001-04-06
DE60018347T2 (de) 2006-04-06
ES2235818T3 (es) 2005-07-16
DE60018347D1 (de) 2005-04-07

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