LU90889B1 - Hydraulicv control system for a gas exchange valve of an internal combustion engine - Google Patents

Hydraulicv control system for a gas exchange valve of an internal combustion engine

Info

Publication number
LU90889B1
LU90889B1 LU90889A LU90889A LU90889B1 LU 90889 B1 LU90889 B1 LU 90889B1 LU 90889 A LU90889 A LU 90889A LU 90889 A LU90889 A LU 90889A LU 90889 B1 LU90889 B1 LU 90889B1
Authority
LU
Luxembourg
Prior art keywords
hydraulicv
control system
combustion engine
internal combustion
gas exchange
Prior art date
Application number
LU90889A
Inventor
Jean-Francois Berlemont
Dominique Bodart
Hermann Breitbach
Manfred Kolkman
Original Assignee
Delphi Tech Inc
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 Delphi Tech Inc filed Critical Delphi Tech Inc
Priority to LU90889A priority Critical patent/LU90889B1/en
Priority to PCT/EP2003/050002 priority patent/WO2003067035A1/en
Application granted granted Critical
Publication of LU90889B1 publication Critical patent/LU90889B1/en

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
    • 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)
LU90889A 2002-02-04 2002-02-04 Hydraulicv control system for a gas exchange valve of an internal combustion engine LU90889B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
LU90889A LU90889B1 (en) 2002-02-04 2002-02-04 Hydraulicv control system for a gas exchange valve of an internal combustion engine
PCT/EP2003/050002 WO2003067035A1 (en) 2002-02-04 2003-01-27 Hydraulic control system for a gas exchange valve of an internal combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
LU90889A LU90889B1 (en) 2002-02-04 2002-02-04 Hydraulicv control system for a gas exchange valve of an internal combustion engine

Publications (1)

Publication Number Publication Date
LU90889B1 true LU90889B1 (en) 2003-08-05

Family

ID=27730948

Family Applications (1)

Application Number Title Priority Date Filing Date
LU90889A LU90889B1 (en) 2002-02-04 2002-02-04 Hydraulicv control system for a gas exchange valve of an internal combustion engine

Country Status (2)

Country Link
LU (1) LU90889B1 (en)
WO (1) WO2003067035A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
CN103277158A (en) * 2013-05-31 2013-09-04 中国人民解放军理工大学 Hydraulically flexibly driven valve mechanism

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59170416A (en) * 1983-03-17 1984-09-26 Nissan Motor Co Ltd Valve operation change-over switch in internal- combustion engine
DE3604233A1 (en) * 1986-02-11 1987-08-13 Bosch Gmbh Robert Valve control device for a reciprocating piston internal combustion engine
DE3939065A1 (en) * 1989-11-25 1991-05-29 Bosch Gmbh Robert HYDRAULIC VALVE CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINES
JPH04128508A (en) * 1990-05-11 1992-04-30 Mitsubishi Heavy Ind Ltd Valve system device of internal combustion engine
DE19511787A1 (en) * 1994-03-31 1995-10-05 Nippon Denso Co Valve timing control system for an internal combustion engine
WO1997006355A1 (en) * 1995-08-08 1997-02-20 Diesel Engine Retarders, Inc. Internal combustion engines with combined cam and electro-hydraulic engine valve control
US6227154B1 (en) 1999-03-25 2001-05-08 Ricardo Inc. Valvegear for engines of reciprocating piston type

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59170416A (en) * 1983-03-17 1984-09-26 Nissan Motor Co Ltd Valve operation change-over switch in internal- combustion engine
DE3604233A1 (en) * 1986-02-11 1987-08-13 Bosch Gmbh Robert Valve control device for a reciprocating piston internal combustion engine
DE3939065A1 (en) * 1989-11-25 1991-05-29 Bosch Gmbh Robert HYDRAULIC VALVE CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINES
JPH04128508A (en) * 1990-05-11 1992-04-30 Mitsubishi Heavy Ind Ltd Valve system device of internal combustion engine
DE19511787A1 (en) * 1994-03-31 1995-10-05 Nippon Denso Co Valve timing control system for an internal combustion engine
WO1997006355A1 (en) * 1995-08-08 1997-02-20 Diesel Engine Retarders, Inc. Internal combustion engines with combined cam and electro-hydraulic engine valve control
US6227154B1 (en) 1999-03-25 2001-05-08 Ricardo Inc. Valvegear for engines of reciprocating piston type

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 009, no. 025 (M - 355) 2 February 1985 (1985-02-02) *
PATENT ABSTRACTS OF JAPAN vol. 016, no. 391 (M - 1298) 19 August 1992 (1992-08-19) *

Also Published As

Publication number Publication date
WO2003067035A1 (en) 2003-08-14

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