WO2015088347A1 - Moteur à combustion comprenant un cylindre - Google Patents

Moteur à combustion comprenant un cylindre Download PDF

Info

Publication number
WO2015088347A1
WO2015088347A1 PCT/NL2014/050858 NL2014050858W WO2015088347A1 WO 2015088347 A1 WO2015088347 A1 WO 2015088347A1 NL 2014050858 W NL2014050858 W NL 2014050858W WO 2015088347 A1 WO2015088347 A1 WO 2015088347A1
Authority
WO
WIPO (PCT)
Prior art keywords
moveable
wall
cylinder
engine according
engine
Prior art date
Application number
PCT/NL2014/050858
Other languages
English (en)
Inventor
Sander VAN WALLENÉ
Original Assignee
Twostroke Motorcycle Company
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 Twostroke Motorcycle Company filed Critical Twostroke Motorcycle Company
Publication of WO2015088347A1 publication Critical patent/WO2015088347A1/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
    • F01L1/36—Valve-gear or valve arrangements, e.g. lift-valve gear peculiar to machines or engines of specific type other than four-stroke cycle
    • F01L1/38—Valve-gear or valve arrangements, e.g. lift-valve gear peculiar to machines or engines of specific type other than four-stroke cycle for engines with other than four-stroke cycle, e.g. with two-stroke cycle
    • 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
    • F01L7/00—Rotary or oscillatory slide valve-gear or valve arrangements
    • F01L7/02—Rotary or oscillatory slide valve-gear or valve arrangements with cylindrical, sleeve, or part-annularly shaped valves
    • F01L7/04—Rotary or oscillatory slide valve-gear or valve arrangements with cylindrical, sleeve, or part-annularly shaped valves surrounding working cylinder or piston
    • F01L7/045—Rotary or oscillatory slide valve-gear or valve arrangements with cylindrical, sleeve, or part-annularly shaped valves surrounding working cylinder or piston with two or more valves arranged coaxially
    • 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
    • F02B23/00—Other engines characterised by special shape or construction of combustion chambers to improve operation
    • F02B23/08—Other engines characterised by special shape or construction of combustion chambers to improve operation with positive ignition
    • F02B23/10—Other engines characterised by special shape or construction of combustion chambers to improve operation with positive ignition with separate admission of air and fuel into cylinder
    • F02B23/101—Other engines characterised by special shape or construction of combustion chambers to improve operation with positive ignition with separate admission of air and fuel into cylinder the injector being placed on or close to the cylinder centre axis, e.g. with mixture formation using spray guided concepts
    • 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
    • F01L2810/00—Arrangements solving specific problems in relation with valve gears
    • F01L2810/02—Lubrication
    • 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
    • F01L2820/01—Absolute values
    • 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
    • F02B75/00—Other engines
    • F02B75/02—Engines characterised by their cycles, e.g. six-stroke
    • F02B2075/022—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle
    • F02B2075/025—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle two
    • 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
    • F02B25/00—Engines characterised by using fresh charge for scavenging cylinders
    • F02B25/14—Engines characterised by using fresh charge for scavenging cylinders using reverse-flow scavenging, e.g. with both outlet and inlet ports arranged near bottom of piston stroke
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2400/00—Control systems adapted for specific engine types; Special features of engine control systems not otherwise provided for; Power supply, connectors or cabling for engine control systems
    • F02D2400/04—Two-stroke combustion engines with electronic control
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
    • F02P15/00—Electric spark ignition having characteristics not provided for in, or of interest apart from, groups F02P1/00 - F02P13/00 and combined with layout of ignition circuits
    • F02P15/006—Ignition installations combined with other systems, e.g. fuel injection
    • 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

Definitions

  • the at least one cam (8) has a bulge (), wherein the bulge is for upward movement of the second moveable cylinder wall such that the second moveable cylinder wall firmly presses the first moveable cylinder wall upwards.
  • a bulge helps to overcome a "dead" position of the lmcw. As such efficiency is improved .
  • the present combustion engine further comprises an energy absorber (55), wherein the energy absorber is for providing energy to the actuator for moving the actuator over a dead point and for absorbing energy when the actuator is in an active position, wherein the actuator preferably has a cam (54) for energy transfer between the absorb- er and actuator.
  • the present cam (54) fits extremely well within the present engine. Such an energy absorber helps to overcome a "dead" position of the lmcw. As such efficiency is improved .
  • the actuator is directly or indirectly in contact with the crank ⁇ shaft. As such motion of the actuator, and thereby motion of the lmcw, and operation of the engine and cylinder, are synchronized.
  • the present combustion engine further comprises a bellows (44,45,46) and a valve (49) for opening and closing the crankcase (20), wherein the bellows is for providing air flow to the combustion chamber and for cooling the crankcase. Therewith a thermal load of the crankcase is limited to acceptable levels. Also lubrication of moving parts is not jeopardized (in comparison to prior art solu ⁇ tions) .
  • the bellow further provides compression to the combustion chamber, thereby improving efficiency and power out- put.
  • all of the moving parts under the piston may be lubricated, without lu ⁇ bricating oil entering into the combustion chamber (24) .
  • the lmcw (7) is sealed by one or more sealing rings in a groove in the cylinder (33) .
  • the umcw (5) is sealed by various sealing rings (27, 28, 30) .
  • the lmcw-arm (21) pivots about a fixed point (42) .
  • the piston After scavenging, the piston will return to a position as shown in the figures Bl and B2.
  • the lmcw (7) will in first instance be damped by the air cushion (59) between lmcw and umcw (5) (see detail drawing DB1) . Thereafter, the lmcw will make contact with the umcw and slightly press it. The cylinder is now completely closed again. Then, the piston will compress the mixture/air for the next power stroke (see figure Al and A2 ) .

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)

Abstract

L'invention se rapporte de manière générale à un moteur à combustion comprenant un cylindre à deux temps (6), ainsi qu'à un ensemble injecteur-bougie d'allumage (1) destiné à être mis en oeuvre dans ce moteur à combustion, à un procédé de fonctionnement dudit moteur, de même qu'à un procédé de fonctionnement dudit ensemble injecteur-bougie d'allumage (1). Dans le moteur à combustion interne selon l'invention, la combustion de carburant, tel que du carburant fossile, se produit avec de l'air dans une chambre de combustion (24).
PCT/NL2014/050858 2013-12-12 2014-12-12 Moteur à combustion comprenant un cylindre WO2015088347A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL2011947 2013-12-12
NL2011947A NL2011947C2 (en) 2013-12-12 2013-12-12 Combustion engine comprising a cylinder.

Publications (1)

Publication Number Publication Date
WO2015088347A1 true WO2015088347A1 (fr) 2015-06-18

Family

ID=50114501

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/NL2014/050858 WO2015088347A1 (fr) 2013-12-12 2014-12-12 Moteur à combustion comprenant un cylindre

Country Status (2)

Country Link
NL (1) NL2011947C2 (fr)
WO (1) WO2015088347A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019012285A1 (fr) * 2017-07-13 2019-01-17 Knight Brian R Agencement de piston amélioré
US10465638B2 (en) 2017-05-24 2019-11-05 Ktm Ag Inlet manifold arrangement for a four-stroke combustion engine

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB133232A (fr)
DE242392C (fr)
DE467441C (de) 1926-09-22 1928-10-25 Emile Normand Selbsttaetige Rohrschiebersteuerung fuer treibende oder getriebene Kolbenmaschinen, insbesondere fuer Brennkraftmaschinen, bei welchen der Kolben gleichzeitig als Pumpenkolben ausgebildet ist
GB566825A (en) 1943-05-25 1945-01-16 Clifford Stephen Goby Improvements in or relating to internal combustion engines
US4970427A (en) * 1988-12-28 1990-11-13 Eaton Corporation Electrode arrangement for establishing a sustained electrical arc
DE4238179A1 (de) * 1992-11-12 1994-05-19 Bosch Gmbh Robert Brennkraftmaschine mit einer Zündkerze zum Zünden von Kraftstoff-Luft-Gemischen
DE19645201A1 (de) * 1995-12-15 1997-06-19 Volkswagen Ag Brenkraftmaschine mit Kraftstoffeinspritzung
JPH10131756A (ja) * 1996-10-31 1998-05-19 Fuji Heavy Ind Ltd 筒内噴射式エンジン
WO2001056124A1 (fr) * 2000-01-28 2001-08-02 Saab Automobile Ab Systeme d'electrodes d'allumage sur un moteur a combustion interne
US20110168145A1 (en) * 2010-01-08 2011-07-14 Toyota Jidosha Kabushiki Kaisha Ignition control system for internal combustion engine
WO2013120632A1 (fr) * 2012-02-16 2013-08-22 Robert Bosch Gmbh Bougie d'allumage, notamment bougie d'allumage pour chambre de turbulence

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB133232A (fr)
DE242392C (fr)
DE467441C (de) 1926-09-22 1928-10-25 Emile Normand Selbsttaetige Rohrschiebersteuerung fuer treibende oder getriebene Kolbenmaschinen, insbesondere fuer Brennkraftmaschinen, bei welchen der Kolben gleichzeitig als Pumpenkolben ausgebildet ist
GB566825A (en) 1943-05-25 1945-01-16 Clifford Stephen Goby Improvements in or relating to internal combustion engines
US4970427A (en) * 1988-12-28 1990-11-13 Eaton Corporation Electrode arrangement for establishing a sustained electrical arc
DE4238179A1 (de) * 1992-11-12 1994-05-19 Bosch Gmbh Robert Brennkraftmaschine mit einer Zündkerze zum Zünden von Kraftstoff-Luft-Gemischen
DE19645201A1 (de) * 1995-12-15 1997-06-19 Volkswagen Ag Brenkraftmaschine mit Kraftstoffeinspritzung
JPH10131756A (ja) * 1996-10-31 1998-05-19 Fuji Heavy Ind Ltd 筒内噴射式エンジン
WO2001056124A1 (fr) * 2000-01-28 2001-08-02 Saab Automobile Ab Systeme d'electrodes d'allumage sur un moteur a combustion interne
US20110168145A1 (en) * 2010-01-08 2011-07-14 Toyota Jidosha Kabushiki Kaisha Ignition control system for internal combustion engine
WO2013120632A1 (fr) * 2012-02-16 2013-08-22 Robert Bosch Gmbh Bougie d'allumage, notamment bougie d'allumage pour chambre de turbulence

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10465638B2 (en) 2017-05-24 2019-11-05 Ktm Ag Inlet manifold arrangement for a four-stroke combustion engine
WO2019012285A1 (fr) * 2017-07-13 2019-01-17 Knight Brian R Agencement de piston amélioré

Also Published As

Publication number Publication date
NL2011947C2 (en) 2015-06-15

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