YU217280A - Device for improving the ratio of the useful action of an internal combustion engine by slective varying of the effective compression ratio according to the regime of the operation of engine - Google Patents

Device for improving the ratio of the useful action of an internal combustion engine by slective varying of the effective compression ratio according to the regime of the operation of engine

Info

Publication number
YU217280A
YU217280A YU02172/80A YU217280A YU217280A YU 217280 A YU217280 A YU 217280A YU 02172/80 A YU02172/80 A YU 02172/80A YU 217280 A YU217280 A YU 217280A YU 217280 A YU217280 A YU 217280A
Authority
YU
Yugoslavia
Prior art keywords
engine
slective
regime
varying
improving
Prior art date
Application number
YU02172/80A
Inventor
R Hermann
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 YU217280A publication Critical patent/YU217280A/en

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)
YU02172/80A 1979-08-30 1980-08-29 Device for improving the ratio of the useful action of an internal combustion engine by slective varying of the effective compression ratio according to the regime of the operation of engine YU217280A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7921796A FR2464372A1 (en) 1979-08-30 1979-08-30 METHOD AND DEVICE FOR IMPROVING THE EFFICIENCY OF AN INTERNAL COMBUSTION ENGINE BY SELECTIVE VARIATION AT THE ACTUAL COMPRESSION RATE ACCORDING TO THE MOTOR RPM

Publications (1)

Publication Number Publication Date
YU217280A true YU217280A (en) 1983-10-31

Family

ID=9229221

Family Applications (1)

Application Number Title Priority Date Filing Date
YU02172/80A YU217280A (en) 1979-08-30 1980-08-29 Device for improving the ratio of the useful action of an internal combustion engine by slective varying of the effective compression ratio according to the regime of the operation of engine

Country Status (13)

Country Link
EP (1) EP0024994A1 (en)
JP (1) JPS5650231A (en)
AU (1) AU6191880A (en)
BR (1) BR8005437A (en)
DD (1) DD152832A5 (en)
DK (1) DK370080A (en)
ES (1) ES8200742A1 (en)
FI (1) FI802683A (en)
FR (1) FR2464372A1 (en)
NO (1) NO802537L (en)
PL (1) PL226506A1 (en)
SE (1) SE8005910L (en)
YU (1) YU217280A (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6095114A (en) * 1983-10-31 1985-05-28 Fujio Inoue Valve switching mechanism of motor
JPS61187526A (en) * 1985-02-15 1986-08-21 Toyota Motor Corp Valve-timing controller for internal-combustion engine equipment with supercharger
WO1989000643A1 (en) * 1987-07-18 1989-01-26 Graham Beverley Internal combustion engine
GB2310004A (en) * 1994-11-09 1997-08-13 John Brengle Taylor Improvements to engines
ATE263309T1 (en) * 2001-02-21 2004-04-15 Ge Jenbacher Gmbh & Co Ohg VALVE DRIVE FOR AN INTERNAL COMBUSTION ENGINE
DE102009041426A1 (en) 2009-09-16 2011-05-19 Thyssenkrupp Presta Teccenter Ag Camshaft with variable valve opening duration
JP6397575B2 (en) * 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 Method for controlling operation of intake valve system and intake valve control system
DE102015224759A1 (en) * 2015-12-10 2017-06-14 Bayerische Motoren Werke Aktiengesellschaft internal combustion engine
WO2024079641A1 (en) * 2022-10-12 2024-04-18 Jacobs Vehicle Systems, Inc. Discrete lost motion device
WO2024079642A1 (en) * 2022-10-12 2024-04-18 Cummins 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 (en) * 1961-07-07 1962-05-26 Briggs & Stratton Corp Method of operating a four-stroke internal combustion engine and engine operating according to this method
JPS5179840A (en) * 1975-01-07 1976-07-12 Honda Motor Co Ltd
FR2341045A1 (en) * 1976-02-13 1977-09-09 Bertin & Cie Neutralisation of individual cylinders of IC engine - using butterfly valves or cam shaft in eccentric housing to close inlet and outlet valves
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
ES494651A0 (en) 1981-11-16
DK370080A (en) 1981-03-01
NO802537L (en) 1981-03-02
AU6191880A (en) 1981-03-05
FR2464372A1 (en) 1981-03-06
BR8005437A (en) 1981-03-31
DD152832A5 (en) 1981-12-09
EP0024994A1 (en) 1981-03-11
FI802683A (en) 1981-03-01
ES8200742A1 (en) 1981-11-16
JPS5650231A (en) 1981-05-07
PL226506A1 (en) 1981-05-22
SE8005910L (en) 1981-03-01

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