FR3073892B1 - Desactivation de cylindres de moteur thermique - Google Patents

Desactivation de cylindres de moteur thermique Download PDF

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Publication number
FR3073892B1
FR3073892B1 FR1760967A FR1760967A FR3073892B1 FR 3073892 B1 FR3073892 B1 FR 3073892B1 FR 1760967 A FR1760967 A FR 1760967A FR 1760967 A FR1760967 A FR 1760967A FR 3073892 B1 FR3073892 B1 FR 3073892B1
Authority
FR
France
Prior art keywords
shaft
thermal engine
deactivation
engine cylinders
camshaft
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
FR1760967A
Other languages
English (en)
Other versions
FR3073892A1 (fr
Inventor
Anthony Kumar
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
Nissan Motor Co Ltd
Original Assignee
Renault SAS
Nissan Motor Co Ltd
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, Nissan Motor Co Ltd filed Critical Renault SAS
Priority to FR1760967A priority Critical patent/FR3073892B1/fr
Publication of FR3073892A1 publication Critical patent/FR3073892A1/fr
Application granted granted Critical
Publication of FR3073892B1 publication Critical patent/FR3073892B1/fr
Active 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
    • 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
    • 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
    • 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
    • F01L1/053—Camshafts overhead type
    • F01L2001/0537—Double overhead camshafts [DOHC]
    • 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
    • F01L2250/00—Camshaft drives characterised by their transmission means
    • F01L2250/02—Camshaft drives characterised by their transmission means the camshaft being driven by chains
    • 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
    • F01L2250/00—Camshaft drives characterised by their transmission means
    • F01L2250/04—Camshaft drives characterised by their transmission means the camshaft being driven by belts
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)
  • Valve Device For Special Equipments (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)

Abstract

Dispositif de distribution (100) d'un moteur thermique comprenant : -un arbre à cames (10) agencé dans une culasse du moteur, ledit arbre étant entouré de cames aptes à appuyer sur des soupapes de révolution et mobiles en coulissement selon leur axe de révolution, caractérisé en ce que le dispositif (100) comprend un arbre primaire (30) et un arbre secondaire (40) coaxiaux formant l'arbre à cames (10), l'arbre primaire étant entrainé en rotation par un ensemble de distribution, et un système d'accouplement (60) en rotation réversible de l'arbre secondaire (40) avec l'arbre primaire (30).
FR1760967A 2017-11-21 2017-11-21 Desactivation de cylindres de moteur thermique Active FR3073892B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1760967A FR3073892B1 (fr) 2017-11-21 2017-11-21 Desactivation de cylindres de moteur thermique

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1760967A FR3073892B1 (fr) 2017-11-21 2017-11-21 Desactivation de cylindres de moteur thermique
FR1760967 2017-11-21

Publications (2)

Publication Number Publication Date
FR3073892A1 FR3073892A1 (fr) 2019-05-24
FR3073892B1 true FR3073892B1 (fr) 2023-03-17

Family

ID=60923747

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1760967A Active FR3073892B1 (fr) 2017-11-21 2017-11-21 Desactivation de cylindres de moteur thermique

Country Status (1)

Country Link
FR (1) FR3073892B1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3107306B1 (fr) * 2020-02-17 2023-04-21 Caurraze Innovation Système d’assistance électrique d’un moteur à combustion

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3046402C2 (de) * 1980-12-10 1984-08-09 Audi Nsu Auto Union Ag, 7107 Neckarsulm Vorrichtung zum Abschalten einzelner Zylinder einer mehrzylindrigen Hubkolben-Brennkraftmaschine
JPS59183015A (ja) * 1983-03-31 1984-10-18 Suzuki Motor Co Ltd ４サイクルエンジンの吸排気弁駆動用カムの停止装置
JPS60159321A (ja) * 1984-01-30 1985-08-20 Mitsubishi Motors Corp エンジン動弁系の弁作動停止装置
JPS6114406A (ja) * 1984-06-28 1986-01-22 Aisin Seiki Co Ltd 内燃エンジンの可変気筒制御装置
DE19618189A1 (de) * 1995-05-12 1996-11-14 Volkswagen Ag Vorrichtung zum Abschalten von Gaswechselventilen in einer Brennkraftmaschine
JP2007146800A (ja) * 2005-11-30 2007-06-14 Toyota Motor Corp 内燃機関の動弁装置

Also Published As

Publication number Publication date
FR3073892A1 (fr) 2019-05-24

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