DD152832A5 - Verfahren und vorrichtung zum selektiven veraendern des kompressionsverhaeltnisses bei verbrennungsmotoren - Google Patents

Verfahren und vorrichtung zum selektiven veraendern des kompressionsverhaeltnisses bei verbrennungsmotoren Download PDF

Info

Publication number
DD152832A5
DD152832A5 DD80223575A DD22357580A DD152832A5 DD 152832 A5 DD152832 A5 DD 152832A5 DD 80223575 A DD80223575 A DD 80223575A DD 22357580 A DD22357580 A DD 22357580A DD 152832 A5 DD152832 A5 DD 152832A5
Authority
DD
German Democratic Republic
Prior art keywords
hydraulic cylinder
item
intake valve
opening
inlet valve
Prior art date
Application number
DD80223575A
Other languages
German (de)
English (en)
Inventor
Robert Herrmann
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 DD152832A5 publication Critical patent/DD152832A5/de

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)
  • Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)
  • Means For Warming Up And Starting Carburetors (AREA)
DD80223575A 1979-08-30 1980-08-28 Verfahren und vorrichtung zum selektiven veraendern des kompressionsverhaeltnisses bei verbrennungsmotoren DD152832A5 (de)

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
DD152832A5 true DD152832A5 (de) 1981-12-09

Family

ID=9229221

Family Applications (1)

Application Number Title Priority Date Filing Date
DD80223575A DD152832A5 (de) 1979-08-30 1980-08-28 Verfahren und vorrichtung zum selektiven veraendern des kompressionsverhaeltnisses bei verbrennungsmotoren

Country Status (13)

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2478191B1 (de) 2009-09-16 2015-06-17 Thyssenkrupp Presta Teccenter Ag Nockenwelle mit variierbarer ventilöffnungsdauer
DE102015224759A1 (de) * 2015-12-10 2017-06-14 Bayerische Motoren Werke Aktiengesellschaft Verbrennungsmotor

Families Citing this family (8)

* 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
WO1996015362A1 (en) * 1994-11-09 1996-05-23 John Brengle Taylor Improvements to engines
DE50200316D1 (de) * 2001-02-21 2004-05-06 Ge Jenbacher Gmbh & Co Ohg Jen Ventiltrieb für eine Brennkraftmaschine
WO2016092141A1 (en) * 2014-12-08 2016-06-16 Wärtsilä Finland Oy A method of controlling an operation of an inlet valve system and an inlet valve control system
WO2024079641A1 (en) * 2022-10-12 2024-04-18 Jacobs Vehicle Systems, Inc. Discrete lost motion device
US20240125253A1 (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 (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 (fi) * 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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2478191B1 (de) 2009-09-16 2015-06-17 Thyssenkrupp Presta Teccenter Ag Nockenwelle mit variierbarer ventilöffnungsdauer
DE102015224759A1 (de) * 2015-12-10 2017-06-14 Bayerische Motoren Werke Aktiengesellschaft Verbrennungsmotor

Also Published As

Publication number Publication date
EP0024994A1 (fr) 1981-03-11
PL226506A1 (fi) 1981-05-22
AU6191880A (en) 1981-03-05
YU217280A (en) 1983-10-31
ES494651A0 (es) 1981-11-16
SE8005910L (sv) 1981-03-01
FR2464372A1 (fr) 1981-03-06
BR8005437A (pt) 1981-03-31
NO802537L (no) 1981-03-02
FI802683A (fi) 1981-03-01
DK370080A (da) 1981-03-01
JPS5650231A (en) 1981-05-07
ES8200742A1 (es) 1981-11-16

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