MA31817B1 - Arbre a cames coulissantes et intercalaires entre rails a position variable et poussoirs pour la distribution variable continue chez les moteurs a combustion interne de quatre temps. - Google Patents

Arbre a cames coulissantes et intercalaires entre rails a position variable et poussoirs pour la distribution variable continue chez les moteurs a combustion interne de quatre temps.

Info

Publication number
MA31817B1
MA31817B1 MA31820A MA31820A MA31817B1 MA 31817 B1 MA31817 B1 MA 31817B1 MA 31820 A MA31820 A MA 31820A MA 31820 A MA31820 A MA 31820A MA 31817 B1 MA31817 B1 MA 31817B1
Authority
MA
Morocco
Prior art keywords
variable
intercalar
cams
sliding
shaft
Prior art date
Application number
MA31820A
Other languages
English (en)
Inventor
Nasserlehaq Nsarellah
Original Assignee
Nasserlehaq Nsarellah
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 Nasserlehaq Nsarellah filed Critical Nasserlehaq Nsarellah
Priority to MA31820A priority Critical patent/MA31817B1/fr
Priority to PCT/MA2009/000013 priority patent/WO2010123336A1/fr
Publication of MA31817B1 publication Critical patent/MA31817B1/fr

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
    • F01L1/02—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
    • F01L1/0532—Camshafts overhead type the cams being directly in contact with the driven valve
    • 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
    • F01L13/0031—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
    • 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
    • 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
    • F01L1/08—Shape of cams
    • 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
    • F01L2001/0535—Single overhead camshafts [SOHC]
    • 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
    • F01L2305/00—Valve arrangements comprising rollers

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve Device For Special Equipments (AREA)
MA31820A 2009-04-24 2009-04-24 Arbre a cames coulissantes et intercalaires entre rails a position variable et poussoirs pour la distribution variable continue chez les moteurs a combustion interne de quatre temps. MA31817B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
MA31820A MA31817B1 (fr) 2009-04-24 2009-04-24 Arbre a cames coulissantes et intercalaires entre rails a position variable et poussoirs pour la distribution variable continue chez les moteurs a combustion interne de quatre temps.
PCT/MA2009/000013 WO2010123336A1 (fr) 2009-04-24 2009-06-17 Arbre a cames coulissantes et intercalaires entre rails a position variable et poussoirs pour la distribution variable continue chez les moteurs a combustion interne de quatre temps

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
MA31820A MA31817B1 (fr) 2009-04-24 2009-04-24 Arbre a cames coulissantes et intercalaires entre rails a position variable et poussoirs pour la distribution variable continue chez les moteurs a combustion interne de quatre temps.

Publications (1)

Publication Number Publication Date
MA31817B1 true MA31817B1 (fr) 2010-11-01

Family

ID=41401904

Family Applications (1)

Application Number Title Priority Date Filing Date
MA31820A MA31817B1 (fr) 2009-04-24 2009-04-24 Arbre a cames coulissantes et intercalaires entre rails a position variable et poussoirs pour la distribution variable continue chez les moteurs a combustion interne de quatre temps.

Country Status (2)

Country Link
MA (1) MA31817B1 (fr)
WO (1) WO2010123336A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015219875A1 (de) * 2015-10-14 2017-04-20 Bayerische Motoren Werke Aktiengesellschaft Steuerwelle zur Einlassventilabschaltung

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1220275B (it) * 1988-01-19 1990-06-15 Franco Storchi Complesso di elementi per la fasatura variabile delle valvole di un motore,in particolare di un motore a combustione interna
US6269786B1 (en) * 1999-07-21 2001-08-07 Tecumseh Products Company Compression release mechanism
US7104229B2 (en) * 2001-04-05 2006-09-12 Stephen William Mitchell Variable valve timing system
EP1331370A1 (fr) * 2002-01-28 2003-07-30 Ford Global Technologies, Inc., A subsidiary of Ford Motor Company Commande variable de soupape
DE102004008670B4 (de) * 2004-02-21 2013-04-11 Schaeffler Technologies AG & Co. KG Ventiltrieb mit Nockenumschaltung für die Gaswechselventile eines 4-Takt-Verbrennungsmotors
CA2467931A1 (fr) * 2004-05-25 2005-11-25 Nicholas M. Ottlyk Varilift, ou systeme de levee des soupapes variable
JP4234653B2 (ja) * 2004-09-03 2009-03-04 ヤマハ発動機株式会社 エンジンのデコンプ装置

Also Published As

Publication number Publication date
WO2010123336A1 (fr) 2010-10-28

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