ITTO20020571A1 - Motore a combustione interna con due valvole di aspirazione per ciascun cilindro e sistema a controllo elettronico per azionare le due valvo - Google Patents

Motore a combustione interna con due valvole di aspirazione per ciascun cilindro e sistema a controllo elettronico per azionare le due valvo

Info

Publication number
ITTO20020571A1
ITTO20020571A1 IT2002TO000571A ITTO20020571A ITTO20020571A1 IT TO20020571 A1 ITTO20020571 A1 IT TO20020571A1 IT 2002TO000571 A IT2002TO000571 A IT 2002TO000571A IT TO20020571 A ITTO20020571 A IT TO20020571A IT TO20020571 A1 ITTO20020571 A1 IT TO20020571A1
Authority
IT
Italy
Prior art keywords
valves
cylinder
combustion engine
law
electronically controlled
Prior art date
Application number
IT2002TO000571A
Other languages
English (en)
Inventor
Fabio Borean
Lorenzo Chiosi
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 IT2002TO000571A priority Critical patent/ITTO20020571A1/it
Publication of ITTO20020571A0 publication Critical patent/ITTO20020571A0/it
Priority to EP03009133A priority patent/EP1378637B1/en
Priority to AT03009133T priority patent/ATE371804T1/de
Priority to DE60315923T priority patent/DE60315923T2/de
Priority to JP2003135948A priority patent/JP4028816B2/ja
Priority to US10/439,187 priority patent/US6732710B2/en
Publication of ITTO20020571A1 publication Critical patent/ITTO20020571A1/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
    • 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
    • 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
    • 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
    • F01L2800/00—Methods of operation using a variable valve timing mechanism
    • F01L2800/06—Timing or lift different for valves of same cylinder
IT2002TO000571A 2002-07-01 2002-07-01 Motore a combustione interna con due valvole di aspirazione per ciascun cilindro e sistema a controllo elettronico per azionare le due valvo ITTO20020571A1 (it)

Priority Applications (6)

Application Number Priority Date Filing Date Title
IT2002TO000571A ITTO20020571A1 (it) 2002-07-01 2002-07-01 Motore a combustione interna con due valvole di aspirazione per ciascun cilindro e sistema a controllo elettronico per azionare le due valvo
EP03009133A EP1378637B1 (en) 2002-07-01 2003-04-22 An internal-combustion engine with two inlet valves for each cylinder and an electronically controlled system for actuating the two inlet valves in differentiated and alternating ways
AT03009133T ATE371804T1 (de) 2002-07-01 2003-04-22 Eine brennkraftmaschine mit zwei einlassventilen für jeden zylinder und einem elektronischen regelsystem zum unterschiedlichen und wechselnden bedienen der zwei einlassventile
DE60315923T DE60315923T2 (de) 2002-07-01 2003-04-22 Eine Brennkraftmaschine mit zwei Einlassventilen für jeden Zylinder und einem elektronischen Regelsystem zum unterschiedlichen und wechselnden Bedienen der zwei Einlassventile
JP2003135948A JP4028816B2 (ja) 2002-07-01 2003-05-14 内燃機関及び電子制御システム
US10/439,187 US6732710B2 (en) 2002-07-01 2003-05-16 Internal-combustion engine with two inlet valves for each cylinder and an electronically controlled system for actuating the inlet valves in differentiated and alternating ways

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2002TO000571A ITTO20020571A1 (it) 2002-07-01 2002-07-01 Motore a combustione interna con due valvole di aspirazione per ciascun cilindro e sistema a controllo elettronico per azionare le due valvo

Publications (2)

Publication Number Publication Date
ITTO20020571A0 ITTO20020571A0 (it) 2002-07-01
ITTO20020571A1 true ITTO20020571A1 (it) 2004-01-02

Family

ID=11459454

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2002TO000571A ITTO20020571A1 (it) 2002-07-01 2002-07-01 Motore a combustione interna con due valvole di aspirazione per ciascun cilindro e sistema a controllo elettronico per azionare le due valvo

Country Status (6)

Country Link
US (1) US6732710B2 (it)
EP (1) EP1378637B1 (it)
JP (1) JP4028816B2 (it)
AT (1) ATE371804T1 (it)
DE (1) DE60315923T2 (it)
IT (1) ITTO20020571A1 (it)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITTO20010660A1 (it) * 2001-07-06 2003-01-06 Fiat Ricerche Motore diesel pluricilindrico con azionamento variabile delle valvole.
US7174866B2 (en) * 2005-03-17 2007-02-13 Eaton Corporation Direct pressure feed air bleed system
DE602006004371D1 (de) * 2006-12-20 2009-01-29 Fiat Ricerche Verbrennungsmotor mit Einlassventilen mit variabler Betätigung und einem stiefelartigen Hubprofil mit einem Profilteil mit konstantem Hub
ATE509196T1 (de) * 2007-12-04 2011-05-15 Fiat Ricerche Mehrzylindermotor mit unabhängigen zylindern
US7748363B2 (en) * 2007-12-04 2010-07-06 C.R.F. Societa Consortile Per Azioni Multi-cylinder internal combustion engine with independent cylinders
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
JP5862161B2 (ja) * 2011-09-27 2016-02-16 スズキ株式会社 内燃機関
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
DE102012212989A1 (de) 2012-07-24 2014-01-30 Schaeffler Technologies AG & Co. KG Verfahren zum Betrieb einer Brennkraftmaschine mit elektrohydraulischer Ventilsteuerung
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
JP6657386B2 (ja) * 2015-09-22 2020-03-04 ジェイコブス ビークル システムズ、インコーポレイテッド ロストモーション差動的バルブ作動
US11103330B2 (en) 2015-12-09 2021-08-31 Align Technology, Inc. Dental attachment placement structure
US20170337634A1 (en) * 2016-05-17 2017-11-23 Hi Road 5 LLC Location and mileage tracking system and method

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0747923B2 (ja) * 1989-06-30 1995-05-24 いすゞ自動車株式会社 可変バルブタイミング・リフト装置
JP2809005B2 (ja) * 1992-09-17 1998-10-08 日産自動車株式会社 内燃機関の可変動弁装置
JP3402853B2 (ja) * 1995-04-12 2003-05-06 ヤマハ発動機株式会社 エンジンの動弁装置
US6148778A (en) * 1995-05-17 2000-11-21 Sturman Industries, Inc. Air-fuel module adapted for an internal combustion engine
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
FR2788558B1 (fr) * 1999-01-15 2001-02-09 Renault Procede de commande d'un moteur a combustion interne
KR20010061204A (ko) * 1999-12-28 2001-07-07 이계안 고속 직접 분사식 디젤 엔진의 밸브 트레인 구조
US6474303B1 (en) * 2000-08-29 2002-11-05 Ford Global Technologies, Inc. Selecting operating mode in an engine with a hybrid valvetrain

Also Published As

Publication number Publication date
EP1378637A2 (en) 2004-01-07
DE60315923D1 (de) 2007-10-11
US20040000287A1 (en) 2004-01-01
DE60315923T2 (de) 2008-05-21
US6732710B2 (en) 2004-05-11
ITTO20020571A0 (it) 2002-07-01
JP4028816B2 (ja) 2007-12-26
ATE371804T1 (de) 2007-09-15
EP1378637B1 (en) 2007-08-29
JP2004036614A (ja) 2004-02-05
EP1378637A3 (en) 2006-06-07

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