FR3088674B1 - Dispositif de commande directe de levee variable de soupape d'un moteur a combustion interne - Google Patents

Dispositif de commande directe de levee variable de soupape d'un moteur a combustion interne Download PDF

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Publication number
FR3088674B1
FR3088674B1 FR1860527A FR1860527A FR3088674B1 FR 3088674 B1 FR3088674 B1 FR 3088674B1 FR 1860527 A FR1860527 A FR 1860527A FR 1860527 A FR1860527 A FR 1860527A FR 3088674 B1 FR3088674 B1 FR 3088674B1
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FR
France
Prior art keywords
control device
combustion engine
internal combustion
variable valve
valve lift
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.)
Active
Application number
FR1860527A
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English (en)
Other versions
FR3088674A1 (fr
Inventor
Jean-Pierre Millon
Bertrand Rossi
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.)
Renault SAS
Original Assignee
Renault 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 Renault SAS filed Critical Renault SAS
Priority to FR1860527A priority Critical patent/FR3088674B1/fr
Publication of FR3088674A1 publication Critical patent/FR3088674A1/fr
Application granted granted Critical
Publication of FR3088674B1 publication Critical patent/FR3088674B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F01L1/02—Valve drive
    • F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
    • F01L1/047—Camshafts
    • 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
    • F01L13/0036—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 the valves being driven by two or more cams with different shape, size or timing or a single cam profiled in axial and radial direction
    • 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
    • F01L1/02—Valve drive
    • F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
    • F01L1/047—Camshafts
    • F01L2001/0471—Assembled camshafts
    • F01L2001/0473—Composite camshafts, e.g. with cams or cam sleeve being able to move relative to the inner camshaft or a cam adjusting rod
    • 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
    • F01L2820/032—Electric motors
    • 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
    • F01L2820/04—Sensors
    • 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
    • F01L2820/04—Sensors
    • F01L2820/041—Camshafts position or phase sensors

Abstract

L'invention porte sur un dispositif de commande (20) d'un renvoi (21) d'axe principal (A) d'un système de levée variable d'au moins une soupape d'un moteur à combustion interne (2), notamment un renvoi (21) de type arbre ou tringlerie, caractérisé en ce que le dispositif de commande (20) comprend un moteur électrique (30) agencé à une extrémité d'un arbre à cames et destiné à entraîner un tel renvoi (21) en translation parallèle ou sensiblement parallèle à un tel axe principal (A) dans un premier sens (S1), respectivement dans un deuxième sens (S2), le premier sens (S1) étant opposé au deuxième sens (S2).
FR1860527A 2018-11-15 2018-11-15 Dispositif de commande directe de levee variable de soupape d'un moteur a combustion interne Active FR3088674B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1860527A FR3088674B1 (fr) 2018-11-15 2018-11-15 Dispositif de commande directe de levee variable de soupape d'un moteur a combustion interne

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1860527 2018-11-15
FR1860527A FR3088674B1 (fr) 2018-11-15 2018-11-15 Dispositif de commande directe de levee variable de soupape d'un moteur a combustion interne

Publications (2)

Publication Number Publication Date
FR3088674A1 FR3088674A1 (fr) 2020-05-22
FR3088674B1 true FR3088674B1 (fr) 2021-03-05

Family

ID=65685756

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1860527A Active FR3088674B1 (fr) 2018-11-15 2018-11-15 Dispositif de commande directe de levee variable de soupape d'un moteur a combustion interne

Country Status (1)

Country Link
FR (1) FR3088674B1 (fr)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7140335B2 (en) * 2004-09-17 2006-11-28 Kaymor, Llc Dynamic valve timing adjustment mechanism for internal combustion engines
WO2009067789A1 (fr) * 2007-11-26 2009-06-04 Magna Powertrain Inc. Arbre à cames concentrique avec entraînement de phase électrique
JP5949074B2 (ja) * 2012-04-05 2016-07-06 スズキ株式会社 内燃機関の吸気系
KR101628085B1 (ko) * 2015-06-22 2016-06-08 현대자동차 주식회사 연속 가변 밸브 듀레이션 장치 및 이를 포함하는 엔진
DE102016012194A1 (de) * 2016-10-12 2018-04-12 Daimler Ag Ventiltriebvorrichtung

Also Published As

Publication number Publication date
FR3088674A1 (fr) 2020-05-22

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