IT1307361B1 - Perfezionamenti ai motori a combustione interna con valvole adazionamento variabile. - Google Patents

Perfezionamenti ai motori a combustione interna con valvole adazionamento variabile.

Info

Publication number
IT1307361B1
IT1307361B1 IT1999TO000859A ITTO990859A IT1307361B1 IT 1307361 B1 IT1307361 B1 IT 1307361B1 IT 1999TO000859 A IT1999TO000859 A IT 1999TO000859A IT TO990859 A ITTO990859 A IT TO990859A IT 1307361 B1 IT1307361 B1 IT 1307361B1
Authority
IT
Italy
Prior art keywords
internal combustion
combustion engines
variable adjustment
adjustment valves
valves
Prior art date
Application number
IT1999TO000859A
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 ES00830600T priority patent/ES2235818T3/es
Priority to EP00830600A priority patent/EP1091097B1/en
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
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
ES00830600T ES2235818T3 (es) 1999-10-06 2000-09-05 Mejoras en motores de combustion interna con accionamiento de valvula variable.
EP00830600A EP1091097B1 (en) 1999-10-06 2000-09-05 Improvements to internal combustion engines with valve variable actuation
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 ITTO990859A0 (it) 1999-10-06
ITTO990859A1 ITTO990859A1 (it) 2001-04-06
IT1307361B1 true 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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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
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.
ITTO20010272A1 (it) 2001-03-23 2002-09-23 Fiat Ricerche Motore a combustione interna con valvole ad azionamento variabile e punteria idraulica ausiliaria.
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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DE10353137A1 (de) * 2003-11-14 2005-06-09 Ina-Schaeffler Kg Variabler, hydraulischer Ventiltrieb
ATE355445T1 (de) * 2004-01-16 2006-03-15 Fiat Ricerche Brennkraftmaschine mit einer einzigen obenliegenden nockenwelle zur mechanischen steuerung der auslassventile und zur elektrohydraulischen steuerung der einlassventile
US6997433B2 (en) * 2004-01-21 2006-02-14 Ford Global Technologies, Llc Electronic valve actuator having vibration cancellation
US7314026B2 (en) * 2004-01-21 2008-01-01 Ford Global Technologies, Llc Electronic valve actuator having hydraulic displacement amplifier
US6886511B1 (en) 2004-04-07 2005-05-03 General Motors Corporation Lost motion assembly for a poppet valve of an internal combustion engine
ES2285397T3 (es) 2004-09-14 2007-11-16 C.R.F. Societa' Consortile Per Azioni Motor de combustion interna provisto de valvulas con accionamiento variable y unidades de accionamiento hidraulico que controlan las valvulas por medio de brazos de balancin.
US7441523B2 (en) * 2006-03-28 2008-10-28 Mitsubishi Jidosha Kogyo Kabushiki Kaisha Variable valve device for internal combustion engine
DE602008001371D1 (de) 2008-04-10 2010-07-08 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
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
EP2184452B1 (en) 2008-11-07 2011-02-23 C.R.F. Società Consortile per Azioni Diesel engine having a system for variable control of the intake valves and inner exhaust gas recirculation
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
EP1091097B1 (en) 2005-03-02
JP2001132418A (ja) 2001-05-15
ES2235818T3 (es) 2005-07-16
US6325028B1 (en) 2001-12-04
EP1091097A1 (en) 2001-04-11
ITTO990859A1 (it) 2001-04-06
DE60018347D1 (de) 2005-04-07
DE60018347T2 (de) 2006-04-06
JP4064612B2 (ja) 2008-03-19
ITTO990859A0 (it) 1999-10-06

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