NO802537L - Fremgangsmaate og anordning til aa forbedre virkningsgraden av en forbrenningsmotor ved selektivt aa variere kompresjons-forholdet i henhold til motorens turtall - Google Patents

Fremgangsmaate og anordning til aa forbedre virkningsgraden av en forbrenningsmotor ved selektivt aa variere kompresjons-forholdet i henhold til motorens turtall

Info

Publication number
NO802537L
NO802537L NO802537A NO802537A NO802537L NO 802537 L NO802537 L NO 802537L NO 802537 A NO802537 A NO 802537A NO 802537 A NO802537 A NO 802537A NO 802537 L NO802537 L NO 802537L
Authority
NO
Norway
Prior art keywords
inlet valve
piston
valve
maneuvering
opening
Prior art date
Application number
NO802537A
Other languages
English (en)
Norwegian (no)
Inventor
Remi Curtil
Original Assignee
Semt
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 Semt filed Critical Semt
Publication of NO802537L publication Critical patent/NO802537L/no

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B41/00—Engines characterised by special means for improving conversion of heat or pressure energy into mechanical power
    • F02B41/02—Engines with prolonged expansion
    • F02B41/04—Engines with prolonged expansion in main cylinders
    • 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
    • F01L1/181—Centre 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
    • F01L13/0015—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
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D13/00—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing
    • F02D13/02—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing during engine operation
    • F02D13/06—Cutting-out cylinders
    • 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
    • F01L1/12—Transmitting gear between valve drive and valve
    • F01L1/18—Rocking arms or levers
    • F01L2001/186—Split rocking arms, e.g. rocker arms having two articulated parts and means for varying the relative position of these parts or for selectively connecting the parts to move in unison
    • 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
    • F01L2013/0089—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 with means for delaying valve closing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Valve Device For Special Equipments (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)
  • Means For Warming Up And Starting Carburetors (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)
  • Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
NO802537A 1979-08-30 1980-08-27 Fremgangsmaate og anordning til aa forbedre virkningsgraden av en forbrenningsmotor ved selektivt aa variere kompresjons-forholdet i henhold til motorens turtall NO802537L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7921796A FR2464372A1 (fr) 1979-08-30 1979-08-30 Procede et dispositif pour ameliorer le rendement d'un moteur a combustion interne par variation selective au taux de compression effectif selon le regime du moteur

Publications (1)

Publication Number Publication Date
NO802537L true NO802537L (no) 1981-03-02

Family

ID=9229221

Family Applications (1)

Application Number Title Priority Date Filing Date
NO802537A NO802537L (no) 1979-08-30 1980-08-27 Fremgangsmaate og anordning til aa forbedre virkningsgraden av en forbrenningsmotor ved selektivt aa variere kompresjons-forholdet i henhold til motorens turtall

Country Status (13)

Country Link
EP (1) EP0024994A1 (pt)
JP (1) JPS5650231A (pt)
AU (1) AU6191880A (pt)
BR (1) BR8005437A (pt)
DD (1) DD152832A5 (pt)
DK (1) DK370080A (pt)
ES (1) ES494651A0 (pt)
FI (1) FI802683A7 (pt)
FR (1) FR2464372A1 (pt)
NO (1) NO802537L (pt)
PL (1) PL226506A1 (pt)
SE (1) SE8005910L (pt)
YU (1) YU217280A (pt)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6095114A (ja) * 1983-10-31 1985-05-28 Fujio Inoue 原動機の弁開閉機構装置
JPS61187526A (ja) * 1985-02-15 1986-08-21 Toyota Motor Corp 過給機付内燃機関のバルブタイミング制御装置
WO1989000643A1 (en) * 1987-07-18 1989-01-26 Graham Beverley Internal combustion engine
DE19581354T1 (de) * 1994-11-09 1997-10-16 John Brengle Taylor Verbesserungen von Kraftmaschinen
ES2217209T3 (es) * 2001-02-21 2004-11-01 GE JENBACHER GMBH & CO. OHG Accionamiento de valvula para un motor de combustion interna.
DE102009041426A1 (de) 2009-09-16 2011-05-19 Thyssenkrupp Presta Teccenter Ag Nockenwelle mit variierbarer Ventilöffnungsdauer
JP6397575B2 (ja) * 2014-12-08 2018-09-26 ワルトシラ フィンランド オサケユキチュア 吸気バルブシステムの動作を制御する方法及び吸気バルブ制御システム
DE102015224759B4 (de) * 2015-12-10 2026-03-19 Bayerische Motoren Werke Aktiengesellschaft Verbrennungsmotor
KR20250058058A (ko) * 2022-10-12 2025-04-29 자콥스 비히클 시스템즈, 인코포레이티드. 개별 로스트 모션 디바이스
US12435649B2 (en) 2022-10-12 2025-10-07 Jacobs Vehicle Systems, Inc. Valve actuation system comprising a discrete lost motion device

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1294510A (fr) * 1961-07-07 1962-05-26 Briggs & Stratton Corp Procédé de fonctionnement d'un moteur à combustion interne à quatre temps et moteur fonctionnant suivant ce procédé
JPS5179840A (pt) * 1975-01-07 1976-07-12 Honda Motor Co Ltd
FR2341045A1 (fr) * 1976-02-13 1977-09-09 Bertin & Cie Utilisation economique d'un moteur a combustion interne polycylindrique par action sur la distribution
US4114643A (en) * 1976-07-02 1978-09-19 Nissan Motor Company, Limited Valve operating mechanism of internal combustion engine
US4134371A (en) * 1977-04-28 1979-01-16 Hausknecht Louis A Valve control system

Also Published As

Publication number Publication date
PL226506A1 (pt) 1981-05-22
BR8005437A (pt) 1981-03-31
FI802683A7 (fi) 1981-01-01
FR2464372A1 (fr) 1981-03-06
SE8005910L (sv) 1981-03-01
ES8200742A1 (es) 1981-11-16
YU217280A (en) 1983-10-31
DK370080A (da) 1981-03-01
DD152832A5 (de) 1981-12-09
JPS5650231A (en) 1981-05-07
EP0024994A1 (fr) 1981-03-11
ES494651A0 (es) 1981-11-16
AU6191880A (en) 1981-03-05

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