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LU90896B1 - Rotary actuator in particular for a variable valve timing and/or variable lift valve actuating mechanism - Google Patents

Rotary actuator in particular for a variable valve timing and/or variable lift valve actuating mechanism

Info

Publication number
LU90896B1
LU90896B1 LU90896A LU90896A LU90896B1 LU 90896 B1 LU90896 B1 LU 90896B1 LU 90896 A LU90896 A LU 90896A LU 90896 A LU90896 A LU 90896A LU 90896 B1 LU90896 B1 LU 90896B1
Authority
LU
Luxembourg
Prior art keywords
variable
actuating mechanism
rotary actuator
valve timing
valve actuating
Prior art date
Application number
LU90896A
Inventor
Jean-Francois Berlemont
Dominique Bodart
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 LU90896A priority Critical patent/LU90896B1/en
Priority to PCT/EP2003/050001 priority patent/WO2003069134A1/en
Application granted granted Critical
Publication of LU90896B1 publication Critical patent/LU90896B1/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
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/46—Component parts, details, or accessories, not provided for in preceding subgroups
    • 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
    • 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
    • F01L13/0021—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 by modification of rocker arm ratio
    • 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
    • F01L13/0021—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 by modification of rocker arm ratio
    • F01L13/0026—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 by modification of rocker arm ratio by means of an eccentric
    • 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
    • F01L13/0063—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 by modification of cam contact point by displacing an intermediate lever or wedge-shaped intermediate element, e.g. Tourtelot
    • F01L2013/0073—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 by modification of cam contact point by displacing an intermediate lever or wedge-shaped intermediate element, e.g. Tourtelot with an oscillating cam acting on the valve of the "Delphi" type

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve Device For Special Equipments (AREA)
LU90896A 2002-02-13 2002-02-13 Rotary actuator in particular for a variable valve timing and/or variable lift valve actuating mechanism LU90896B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
LU90896A LU90896B1 (en) 2002-02-13 2002-02-13 Rotary actuator in particular for a variable valve timing and/or variable lift valve actuating mechanism
PCT/EP2003/050001 WO2003069134A1 (en) 2002-02-13 2003-01-27 Rotary actuator, in particular for a avariable valve timing and/or variable valve actuating mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
LU90896A LU90896B1 (en) 2002-02-13 2002-02-13 Rotary actuator in particular for a variable valve timing and/or variable lift valve actuating mechanism

Publications (1)

Publication Number Publication Date
LU90896B1 true LU90896B1 (en) 2003-08-14

Family

ID=27730949

Family Applications (1)

Application Number Title Priority Date Filing Date
LU90896A LU90896B1 (en) 2002-02-13 2002-02-13 Rotary actuator in particular for a variable valve timing and/or variable lift valve actuating mechanism

Country Status (2)

Country Link
LU (1) LU90896B1 (en)
WO (1) WO2003069134A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1741882B1 (en) 2005-07-08 2008-09-03 Honda Motor Co., Ltd Variable lift valve operating system for internal combustion engine
JP4259512B2 (en) 2005-11-14 2009-04-30 トヨタ自動車株式会社 Variable valve operating device for internal combustion engine
JP4270253B2 (en) 2006-09-19 2009-05-27 日産自動車株式会社 Variable valve mechanism for internal combustion engine
CN102140944B (en) * 2011-03-16 2012-09-05 奇瑞汽车股份有限公司 Eccentric shaft control system of complete-variable air valve lift mechanism

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6075708A (en) * 1983-09-30 1985-04-30 Nissan Motor Co Ltd Intake/exhaust valve driving device of internal-combustion engine
US6019076A (en) 1998-08-05 2000-02-01 General Motors Corporation Variable valve timing mechanism
EP1092843A1 (en) * 1999-10-08 2001-04-18 Toyota Jidosha Kabushiki Kaisha Variable valve apparatus of internal combustion engine
US6311659B1 (en) * 1999-06-01 2001-11-06 Delphi Technologies, Inc. Desmodromic cam driven variable valve timing mechanism

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6075708A (en) * 1983-09-30 1985-04-30 Nissan Motor Co Ltd Intake/exhaust valve driving device of internal-combustion engine
US6019076A (en) 1998-08-05 2000-02-01 General Motors Corporation Variable valve timing mechanism
US6311659B1 (en) * 1999-06-01 2001-11-06 Delphi Technologies, Inc. Desmodromic cam driven variable valve timing mechanism
EP1092843A1 (en) * 1999-10-08 2001-04-18 Toyota Jidosha Kabushiki Kaisha Variable valve apparatus of internal combustion engine

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 009, no. 215 (M - 409) 3 September 1985 (1985-09-03) *

Also Published As

Publication number Publication date
WO2003069134A1 (en) 2003-08-21

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