FR2976972B1 - ACTUATION SYSTEM THREE STATES OF AT LEAST ONE VALVE OF A COMBUSTION ENGINE - Google Patents

ACTUATION SYSTEM THREE STATES OF AT LEAST ONE VALVE OF A COMBUSTION ENGINE

Info

Publication number
FR2976972B1
FR2976972B1 FR1155599A FR1155599A FR2976972B1 FR 2976972 B1 FR2976972 B1 FR 2976972B1 FR 1155599 A FR1155599 A FR 1155599A FR 1155599 A FR1155599 A FR 1155599A FR 2976972 B1 FR2976972 B1 FR 2976972B1
Authority
FR
France
Prior art keywords
states
valve
combustion engine
actuation system
actuation
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.)
Expired - Fee Related
Application number
FR1155599A
Other languages
French (fr)
Other versions
FR2976972A1 (en
Inventor
Nicolas Gelez
Julien Hobraiche
Gabriel Kopp
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.)
Valeo Systemes de Controle Moteur SAS
Original Assignee
Valeo Systemes de Controle Moteur SAS
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 Valeo Systemes de Controle Moteur SAS filed Critical Valeo Systemes de Controle Moteur SAS
Priority to FR1155599A priority Critical patent/FR2976972B1/en
Publication of FR2976972A1 publication Critical patent/FR2976972A1/en
Application granted granted Critical
Publication of FR2976972B1 publication Critical patent/FR2976972B1/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F01L1/12—Transmitting gear between valve drive and valve
    • F01L1/18—Rocking arms or levers
    • F01L1/185—Overhead end-pivot rocking arms
    • 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
    • F01L13/0005—Deactivating valves
    • 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
    • F01L13/0031—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 tappet or pushrod length
    • 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
    • F01L2820/00—Details on specific features characterising valve gear arrangements
    • F01L2820/03—Auxiliary actuators
    • F01L2820/031—Electromagnets

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve Device For Special Equipments (AREA)
FR1155599A 2011-06-24 2011-06-24 ACTUATION SYSTEM THREE STATES OF AT LEAST ONE VALVE OF A COMBUSTION ENGINE Expired - Fee Related FR2976972B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1155599A FR2976972B1 (en) 2011-06-24 2011-06-24 ACTUATION SYSTEM THREE STATES OF AT LEAST ONE VALVE OF A COMBUSTION ENGINE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1155599A FR2976972B1 (en) 2011-06-24 2011-06-24 ACTUATION SYSTEM THREE STATES OF AT LEAST ONE VALVE OF A COMBUSTION ENGINE

Publications (2)

Publication Number Publication Date
FR2976972A1 FR2976972A1 (en) 2012-12-28
FR2976972B1 true FR2976972B1 (en) 2015-04-03

Family

ID=45319196

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1155599A Expired - Fee Related FR2976972B1 (en) 2011-06-24 2011-06-24 ACTUATION SYSTEM THREE STATES OF AT LEAST ONE VALVE OF A COMBUSTION ENGINE

Country Status (1)

Country Link
FR (1) FR2976972B1 (en)

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60243310A (en) * 1984-05-18 1985-12-03 Suzuki Motor Co Ltd Variable opening amount of valve device for intake and exhaust valves of four-stroke cycle engine
JPH0417108U (en) * 1990-05-30 1992-02-13
FR2663078B1 (en) * 1990-06-06 1994-10-07 Peugeot LANGUAGE AND VARIABLE AMPLITUDE DEVICE FOR LIFTING A VALVE OF AN INTERNAL COMBUSTION ENGINE.
DE4105194A1 (en) * 1991-02-20 1992-08-27 Bayerische Motoren Werke Ag Actuator for IC engine valve - involves supporting rocker arm between two points with swivelling adjustment
US5501186A (en) * 1993-07-27 1996-03-26 Unisia Jecs Corporation Engine valve control mechanism
FR2758857A1 (en) * 1997-01-27 1998-07-31 Aisin Seiki IC engine valve actuating mechanism
DE19730814A1 (en) * 1997-07-18 1999-01-21 Schaeffler Waelzlager Ohg Periodically actuated valve gear for gas or fluid exchange
DE19819068A1 (en) * 1998-04-29 1999-11-04 Schaeffler Waelzlager Ohg Support element for a rocker arm of a valve train of an internal combustion engine
JP3876589B2 (en) * 2000-05-11 2007-01-31 いすゞ自動車株式会社 Valve deactivation mechanism for cylinder-controlled engines
DE10048619A1 (en) * 2000-09-30 2002-04-11 Ina Schaeffler Kg Supporting element that can be decoupled for internal combustion engine valve drive drag lever, has annular fitting on inner end of housing built into bore in outer housing in cylinder head
US6681734B2 (en) * 2002-02-01 2004-01-27 General Motors Corporation Hydraulic cylinder deactivation with rotary sleeves
US6837197B2 (en) * 2003-03-19 2005-01-04 Eaton Corporation Dual valve lift and valve deactivation
DE102006034922A1 (en) * 2006-07-28 2008-01-31 Schaeffler Kg Electromagnetic actuator and method of making same
DE202007013508U1 (en) * 2007-04-28 2007-11-29 Schaeffler Kg Room cam valve drive with a device for valve deactivation

Also Published As

Publication number Publication date
FR2976972A1 (en) 2012-12-28

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Legal Events

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Year of fee payment: 6

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ST Notification of lapse

Effective date: 20200206