AU2003245877A1 - Hydraulically actuated, variable valve gear of an internal combustion engine - Google Patents

Hydraulically actuated, variable valve gear of an internal combustion engine

Info

Publication number
AU2003245877A1
AU2003245877A1 AU2003245877A AU2003245877A AU2003245877A1 AU 2003245877 A1 AU2003245877 A1 AU 2003245877A1 AU 2003245877 A AU2003245877 A AU 2003245877A AU 2003245877 A AU2003245877 A AU 2003245877A AU 2003245877 A1 AU2003245877 A1 AU 2003245877A1
Authority
AU
Australia
Prior art keywords
combustion engine
internal combustion
variable valve
valve gear
hydraulically actuated
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.)
Abandoned
Application number
AU2003245877A
Inventor
Dieter Schmidt
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.)
IHO Holding GmbH and Co KG
Original Assignee
INA Schaeffler KG
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 INA Schaeffler KG filed Critical INA Schaeffler KG
Publication of AU2003245877A1 publication Critical patent/AU2003245877A1/en
Abandoned 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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve Device For Special Equipments (AREA)
AU2003245877A 2002-05-31 2003-04-25 Hydraulically actuated, variable valve gear of an internal combustion engine Abandoned AU2003245877A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10224038.8 2002-05-31
DE10224038A DE10224038A1 (en) 2002-05-31 2002-05-31 Hydraulically operated, variable valve train of an internal combustion engine
PCT/EP2003/004294 WO2003102383A1 (en) 2002-05-31 2003-04-25 Hydraulically actuated, variable valve gear of an internal combustion engine

Publications (1)

Publication Number Publication Date
AU2003245877A1 true AU2003245877A1 (en) 2003-12-19

Family

ID=29432457

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2003245877A Abandoned AU2003245877A1 (en) 2002-05-31 2003-04-25 Hydraulically actuated, variable valve gear of an internal combustion engine

Country Status (4)

Country Link
EP (1) EP1509685B1 (en)
AU (1) AU2003245877A1 (en)
DE (2) DE10224038A1 (en)
WO (1) WO2003102383A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2511489B1 (en) 2011-04-14 2013-05-29 C.R.F. Società Consortile per Azioni Internal combustion engine with hydro-mechanic valve actuation system for the intake valve and its solenoid control valve
US9995188B2 (en) 2013-07-15 2018-06-12 Shandong University Oil control device for fully variable hydraulic valve system of internal combustion engine
DE102016009056A1 (en) 2016-07-26 2018-02-01 Daimler Ag Valve train device for an internal combustion engine and internal combustion engine
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

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH086571B2 (en) * 1989-09-08 1996-01-24 本田技研工業株式会社 Valve train for internal combustion engine
DE3939002A1 (en) * 1989-11-25 1991-05-29 Bosch Gmbh Robert HYDRAULIC VALVE CONTROL DEVICE FOR A MULTI-CYLINDER INTERNAL COMBUSTION ENGINE
DE4206696C2 (en) * 1992-03-04 2000-12-14 Bosch Gmbh Robert Hydraulic valve control device for engine valves
IT1285853B1 (en) 1996-04-24 1998-06-24 Fiat Ricerche INTERNAL COMBUSTION ENGINE WITH VARIABLE OPERATION VALVES.
IT1291490B1 (en) * 1997-02-04 1999-01-11 C R F Societa Consotile Per Az DIESEL CYCLE MULTI-CYLINDER ENGINE WITH VARIABLE ACTING VALVES
DE10101584A1 (en) * 2001-01-16 2002-07-25 Bosch Gmbh Robert Pressure accumulator for pressurizing a hydraulic device, with which a gas exchange valve of an internal combustion engine is preferably actuated
ITTO20010269A1 (en) * 2001-03-23 2002-09-23 Fiat Ricerche INTERNAL COMBUSTION ENGINE, WITH HYDRAULIC VARIABLE VALVE OPERATION SYSTEM, AND MEANS OF COMPENSATION OF VOLUME VARIATIONS

Also Published As

Publication number Publication date
EP1509685A1 (en) 2005-03-02
DE10224038A1 (en) 2003-12-11
WO2003102383A1 (en) 2003-12-11
EP1509685B1 (en) 2008-03-05
DE50309325D1 (en) 2008-04-17

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase