EP1843013A3 - Elektrohydraulisches system und Vorrichtung zur variablen Betätigung der Ventile einer Brennkraftmaschine - Google Patents

Elektrohydraulisches system und Vorrichtung zur variablen Betätigung der Ventile einer Brennkraftmaschine Download PDF

Info

Publication number
EP1843013A3
EP1843013A3 EP07105135A EP07105135A EP1843013A3 EP 1843013 A3 EP1843013 A3 EP 1843013A3 EP 07105135 A EP07105135 A EP 07105135A EP 07105135 A EP07105135 A EP 07105135A EP 1843013 A3 EP1843013 A3 EP 1843013A3
Authority
EP
European Patent Office
Prior art keywords
engine valve
chamber
state
cylinder
communication
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.)
Withdrawn
Application number
EP07105135A
Other languages
English (en)
French (fr)
Other versions
EP1843013A2 (de
Inventor
Pierluigi Dell'orto
Mario Marchetti
Eliodoro Chiavazzo
Gerardo Manganiello
Alessandro Di Gaeta
Giuseppe Police
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.)
Dell Orto SpA
Original Assignee
Dell Orto SpA
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 Dell Orto SpA filed Critical Dell Orto SpA
Publication of EP1843013A2 publication Critical patent/EP1843013A2/de
Publication of EP1843013A3 publication Critical patent/EP1843013A3/de
Withdrawn legal-status Critical Current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
    • 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
    • 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)
EP07105135A 2006-03-30 2007-03-28 Elektrohydraulisches system und Vorrichtung zur variablen Betätigung der Ventile einer Brennkraftmaschine Withdrawn EP1843013A3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT000608A ITMI20060608A1 (it) 2006-03-30 2006-03-30 Sistemi e dispositivo elettroidraulico di comando delle valvole di motori a combustione interna ad azionamento variabile con unica elettrovalvola a tre vie

Publications (2)

Publication Number Publication Date
EP1843013A2 EP1843013A2 (de) 2007-10-10
EP1843013A3 true EP1843013A3 (de) 2009-09-09

Family

ID=38438279

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07105135A Withdrawn EP1843013A3 (de) 2006-03-30 2007-03-28 Elektrohydraulisches system und Vorrichtung zur variablen Betätigung der Ventile einer Brennkraftmaschine

Country Status (2)

Country Link
EP (1) EP1843013A3 (de)
IT (1) ITMI20060608A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013207863A1 (de) * 2013-04-30 2014-10-30 Mahle International Gmbh Vorrichtung zur Steuerung eines Gaswechselventils einer Brennkraftmaschine
CN111636942B (zh) * 2020-04-29 2022-01-04 潍坊职业学院 一种液压驱动可变气门正时机构

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3727595A (en) * 1969-08-30 1973-04-17 Bosch Gmbh Robert Control device for hydraulically operated tappet valves of internal combustion engines
CH536934A (de) * 1969-08-30 1973-05-15 Bosch Gmbh Robert Steuerung von Ein- und Auslassventilen bei Brennkraftmaschinen durch Flüssigkeit
EP0139566A1 (de) * 1983-09-23 1985-05-02 Societe Alsacienne De Constructions Mecaniques De Mulhouse Elektro-Hydraulikblock zum Steuern der Ventile einer Brennkraftmaschine
WO1992007174A1 (en) * 1990-10-16 1992-04-30 Lotus Cars Ltd. Valve control apparatus
US5456222A (en) * 1995-01-06 1995-10-10 Ford Motor Company Spool valve control of an electrohydraulic camless valvetrain
EP0736671A2 (de) * 1995-04-05 1996-10-09 Ford Motor Company Limited Ausgleich der Ventilbewegung bei einer elektro-hydraulischen nockenfreien Ventilsteuerungsvorrichtung
US5797360A (en) * 1996-06-14 1998-08-25 Fev Motorentechnik Gmbh & Co Kg Method for controlling cylinder valve drives in a piston-type internal combustion engine
US6067946A (en) * 1996-12-16 2000-05-30 Cummins Engine Company, Inc. Dual-pressure hydraulic valve-actuation system
DE10113722A1 (de) * 2001-03-21 2002-09-26 Mahle Ventiltrieb Gmbh Hydraulischer Stellantrieb zum Betätigen eines Gaswechselventils eines Verbrennungsmotors
US20030111044A1 (en) * 2001-12-17 2003-06-19 Cotton Clifford E. Method and apparatus for operating an internal combustion engine exhaust valve for braking
DE102004040210A1 (de) * 2004-08-19 2006-03-02 Robert Bosch Gmbh Hydraulischer Steller für ein Gaswechselventil einer Brennkraftmaschine
EP1770247A2 (de) * 2005-09-28 2007-04-04 Dell'orto S.P.A. Elektrohydraulischer variabler Ventilaktuator und Verfahren zur Betätigung von Ventilen einer Brennkraftmaschine

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3727595A (en) * 1969-08-30 1973-04-17 Bosch Gmbh Robert Control device for hydraulically operated tappet valves of internal combustion engines
CH536934A (de) * 1969-08-30 1973-05-15 Bosch Gmbh Robert Steuerung von Ein- und Auslassventilen bei Brennkraftmaschinen durch Flüssigkeit
EP0139566A1 (de) * 1983-09-23 1985-05-02 Societe Alsacienne De Constructions Mecaniques De Mulhouse Elektro-Hydraulikblock zum Steuern der Ventile einer Brennkraftmaschine
WO1992007174A1 (en) * 1990-10-16 1992-04-30 Lotus Cars Ltd. Valve control apparatus
US5456222A (en) * 1995-01-06 1995-10-10 Ford Motor Company Spool valve control of an electrohydraulic camless valvetrain
EP0736671A2 (de) * 1995-04-05 1996-10-09 Ford Motor Company Limited Ausgleich der Ventilbewegung bei einer elektro-hydraulischen nockenfreien Ventilsteuerungsvorrichtung
US5797360A (en) * 1996-06-14 1998-08-25 Fev Motorentechnik Gmbh & Co Kg Method for controlling cylinder valve drives in a piston-type internal combustion engine
US6067946A (en) * 1996-12-16 2000-05-30 Cummins Engine Company, Inc. Dual-pressure hydraulic valve-actuation system
DE10113722A1 (de) * 2001-03-21 2002-09-26 Mahle Ventiltrieb Gmbh Hydraulischer Stellantrieb zum Betätigen eines Gaswechselventils eines Verbrennungsmotors
US20030111044A1 (en) * 2001-12-17 2003-06-19 Cotton Clifford E. Method and apparatus for operating an internal combustion engine exhaust valve for braking
DE102004040210A1 (de) * 2004-08-19 2006-03-02 Robert Bosch Gmbh Hydraulischer Steller für ein Gaswechselventil einer Brennkraftmaschine
EP1770247A2 (de) * 2005-09-28 2007-04-04 Dell'orto S.P.A. Elektrohydraulischer variabler Ventilaktuator und Verfahren zur Betätigung von Ventilen einer Brennkraftmaschine

Also Published As

Publication number Publication date
ITMI20060608A1 (it) 2007-09-30
EP1843013A2 (de) 2007-10-10

Similar Documents

Publication Publication Date Title
US9506382B2 (en) Variable valve actuator
CN105003312B (zh) 液压滚动汽缸停用系统和方法
JP4047542B2 (ja) エンジン弁作動システム
WO2004085858A8 (ja) 内燃機関の可変動弁装置とその制御方法および油圧アクチュエータ
US8720400B2 (en) Three-port pintle valve for control of actuation oil
PL1674673T3 (pl) Silnik spalinowy z hydraulicznie zmiennymi zaworami
ATE534806T1 (de) Hydraulisches system unter elektronischer kontrolle zur variablen betätigung der ventile einer brennkraftmaschine, mit schneller befüllung der hochdrukteils des systems
ITTO20020149A1 (it) Motore pluricilindrico a combustione interna con dispositivo idraulico a controllo elettronico per l'azionamento variabile delle valvole, in
WO2006138368A3 (en) Variable valve actuator
US6907851B2 (en) Engine valve actuation system
EP0885349B1 (de) Nach aussen öffnendes ventilsystem für einen motor
GB2455067B (en) A valve operating system for operating a poppet valve of an internal combustion engine
CN102165148A (zh) 电动液压的气门控制装置
JP2000297618A (ja) 往復ピストン式エンジン用バルブ装置
CN107567535B (zh) 用于物体的轴向移动的致动器
DE602006015391D1 (de) Brennkraftmaschine mit mehreren Zylindern
CN104822911B (zh) 气体交换阀装置
JP2008527237A5 (de)
US8534243B2 (en) Internal combustion engine with masking wall the curtain area of the intake valves
EP1843013A3 (de) Elektrohydraulisches system und Vorrichtung zur variablen Betätigung der Ventile einer Brennkraftmaschine
US8353313B2 (en) Three-port pintle valve for control of actuation oil
CN107288699A (zh) 一种压电驱动的无凸轮轴气门驱动机构
ATE434117T1 (de) Vorrichtung zur steuerung von gaswechselventilen
CN101519985B (zh) 用于带有凸轮轴的大型二冲程柴油发动机的可变气门正时
WO2008061523A3 (de) Wärmekraftmaschine mit einer ventilanordnung und ventilsteuerung für eine solche ventilanordnung

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR

AX Request for extension of the european patent

Extension state: AL BA HR MK YU

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR

AX Request for extension of the european patent

Extension state: AL BA HR MK RS

AKX Designation fees paid
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20100310

REG Reference to a national code

Ref country code: DE

Ref legal event code: 8566