ES2157691T3 - Motor de combustion interna con sistema de funcionamiento de valvula hidraulica variable - Google Patents

Motor de combustion interna con sistema de funcionamiento de valvula hidraulica variable

Info

Publication number
ES2157691T3
ES2157691T3 ES99830009T ES99830009T ES2157691T3 ES 2157691 T3 ES2157691 T3 ES 2157691T3 ES 99830009 T ES99830009 T ES 99830009T ES 99830009 T ES99830009 T ES 99830009T ES 2157691 T3 ES2157691 T3 ES 2157691T3
Authority
ES
Spain
Prior art keywords
internal combustion
combustion engine
operating system
hydraulic valve
valve operating
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
ES99830009T
Other languages
English (en)
Inventor
Stefano Albanello
Francesco Vattaneo
Lorentino Macor
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Centro Ricerche Fiat SCpA
Original Assignee
Centro Ricerche Fiat SCpA
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 Centro Ricerche Fiat SCpA filed Critical Centro Ricerche Fiat SCpA
Application granted granted Critical
Publication of ES2157691T3 publication Critical patent/ES2157691T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M5/00—Heating, cooling, or controlling temperature of lubricant; Lubrication means facilitating engine starting
    • F01M5/02—Conditioning lubricant for aiding engine starting, e.g. heating
    • F01M5/025—Conditioning lubricant for aiding engine starting, e.g. heating by prelubricating, e.g. using an accumulator
    • 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
    • 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
    • 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
    • F01L13/0015—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque
    • F01L2013/0089—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque with means for delaying valve closing
    • F01L2013/0094—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque with means for delaying valve closing with switchable clamp for keeping valve open

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)

Abstract

SISTEMA DE FUNCIONAMIENTO DE VALVULA VARIABLE PARA UN MOTOR DE COMBUSTION INTERNA QUE INCLUYE UN ACUMULADOR DE PRESION AUXILIAR (43) CON UN TIPO DE FUNCIONAMIENTO UNIDIRECCIONAL DOTADO DE UN SISTEMA DE RETEN TIPO UÑA (19, 20) PARA RETENER UN PISTON (17) EN UNA POSICION DADA DEBIDO A UN AUMENTO DE PRESION DENTRO DE LA CAMARA (28) DEL ACUMULADOR FRENTE A LA ACCION DEL SISTEMA DE RESORTE DE RETORNO (18). CUANDO SE ARRANCA EL MOTOR, EL SISTEMA DE RETEN SE DESACTIVA.
ES99830009T 1998-01-23 1999-01-18 Motor de combustion interna con sistema de funcionamiento de valvula hidraulica variable Expired - Lifetime ES2157691T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT98TO000060A ITTO980060A1 (it) 1998-01-23 1998-01-23 Perfezionamenti ai motori a combustione intenra con valvole ad azionam ento variabile.

Publications (1)

Publication Number Publication Date
ES2157691T3 true ES2157691T3 (es) 2001-08-16

Family

ID=11416338

Family Applications (1)

Application Number Title Priority Date Filing Date
ES99830009T Expired - Lifetime ES2157691T3 (es) 1998-01-23 1999-01-18 Motor de combustion interna con sistema de funcionamiento de valvula hidraulica variable

Country Status (5)

Country Link
US (1) US6053136A (es)
EP (1) EP0931912B1 (es)
DE (1) DE69900060T2 (es)
ES (1) ES2157691T3 (es)
IT (1) ITTO980060A1 (es)

Families Citing this family (30)

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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
AT4872U1 (de) * 2000-11-20 2001-12-27 Avl List Gmbh Variabler ventiltrieb für ein nockenbetätigtes hubventil einer brennkraftmaschine
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
ITTO20010660A1 (it) * 2001-07-06 2003-01-06 Fiat Ricerche Motore diesel pluricilindrico con azionamento variabile delle valvole.
DE10216352A1 (de) * 2002-04-13 2003-10-23 Hydraulik Ring Gmbh Ansteuereinrichtung für mindestens einen Verbraucher, wie Nockenwellenversteller, automatisches Getriebe und dergleichen, von Fahrzeugen, vorzugsweise Kraftfahrzeugen
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
JP2004197588A (ja) * 2002-12-17 2004-07-15 Mitsubishi Motors Corp 内燃機関の動弁装置
US7748363B2 (en) 2007-12-04 2010-07-06 C.R.F. Societa Consortile Per Azioni Multi-cylinder internal combustion engine with independent cylinders
EP2067969B1 (en) * 2007-12-04 2018-06-20 C.R.F. Società Consortile per Azioni Multi-cylinder internal combustion engine with independent cylinders
EP2067967A1 (en) 2007-12-04 2009-06-10 C.R.F. Società Consortile per Azioni Internal combustion engine with torque adjustable in each cylinder
EP2067968B1 (en) 2007-12-04 2011-05-11 C.R.F. Società Consortile per Azioni Multi-cylinder internal combustion engine with independent cylinders
ATE469293T1 (de) 2008-04-10 2010-06-15 Fiat Ricerche Turbokraftstoffmotor mit variabler steuerung der aufnahmeventile
DE102008049181A1 (de) * 2008-09-26 2010-04-01 Schaeffler Kg Elektrohydraulische Ventilsteuerung
WO2010043192A2 (de) * 2008-10-16 2010-04-22 Luk Lamellen Und Kupplungsbau Beteiligungs Kg Hydraulikanordnung zur steuerung eines getriebes
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
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
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
EP2282022B1 (en) * 2009-06-30 2011-11-23 C.R.F. Società Consortile per Azioni Electronically controlled hydraulic system for variable actuation of the valves of an internal combustion engine, with fast filling of the high pressure side of the system
DE102009054054A1 (de) * 2009-11-20 2011-05-26 Schaeffler Technologies Gmbh & Co. Kg Montageanordnung und Verfahren zur Montage eines Druckspeichers für Brennkraftmaschinen
DE102010008001B4 (de) 2010-02-15 2022-03-10 Schaeffler Technologies AG & Co. KG Vorrichtung zur variablen Einstellung von Ventilerhebungskurven von Gaswechselventilen einer Brennkraftmaschine
DE102010013927B4 (de) 2010-04-06 2019-03-21 Schaeffler Technologies AG & Co. KG Verbrennungskraftmaschine mit zwei fluiddicht voneinander getrennten Schmierräumen
DE102010022346A1 (de) * 2010-06-01 2011-12-01 Schaeffler Technologies Gmbh & Co. Kg Elektrohydraulische Ventilsteuerung
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
KR20120017982A (ko) * 2010-08-20 2012-02-29 현대자동차주식회사 전기-유압 가변 밸브 리프트 장치
US20120085227A1 (en) * 2010-10-08 2012-04-12 GM Global Technology Operations LLC Latching assembly for an accumulator
DE102010053685B4 (de) 2010-12-08 2014-10-30 Schwäbische Hüttenwerke Automotive GmbH Vorrichtung zur Verstellung der Drehwinkelposition einer Nockenwelle
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
US9863293B2 (en) 2012-08-01 2018-01-09 GM Global Technology Operations LLC Variable valve actuation system including an accumulator and a method for controlling the variable valve actuation system
DE102013220555B4 (de) 2013-10-11 2015-05-13 Schaeffler Technologies AG & Co. KG Hydraulische Ventilsteuerung einer Brennkraftmaschine
GB2562268A (en) * 2017-05-10 2018-11-14 Jaguar Land Rover Ltd Apparatus for moving at least one valve for a combustion chamber of an internal combustion engine

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DE3511820A1 (de) * 1985-03-30 1986-10-02 Robert Bosch Gmbh, 7000 Stuttgart Ventilsteuervorrichtung fuer eine hubkolben-brennkraftmaschine
US4825826A (en) * 1988-04-28 1989-05-02 The United States Of America As Represented By The Secretary Of The Air Force Automatic prestart or post shutoff engine lubricator
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US5127375A (en) * 1991-04-04 1992-07-07 Ford Motor Company Hydraulic valve control system for internal combustion engines
DE4239040C2 (de) * 1992-11-20 1995-11-02 Richard Van Basshuysen Mechanisch-hydraulische Bewegungsübertragungsmittel zwischen einer Nockenwelle und einem Gaswechselventil einer Brennkraftmaschine
DE4244374C2 (de) * 1992-12-29 1995-10-19 Bosch Gmbh Robert Ventilsteuervorrichtung
US5746175A (en) * 1995-08-08 1998-05-05 Diesel Engine Retarders, Inc. Four-cycle internal combustion engines with two-cycle compression release braking
US5694893A (en) * 1996-04-22 1997-12-09 Caterpillar Inc. Outward opening valve system for an engine
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IT1285853B1 (it) * 1996-04-24 1998-06-24 Fiat Ricerche Motore a combustione interna con valvole ad azionamento variabile.

Also Published As

Publication number Publication date
US6053136A (en) 2000-04-25
DE69900060T2 (de) 2001-11-08
EP0931912B1 (en) 2001-03-21
ITTO980060A1 (it) 1999-07-23
DE69900060D1 (de) 2001-04-26
EP0931912A3 (en) 1999-08-11
EP0931912A2 (en) 1999-07-28

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