DK2905450T3 - Totaktsmotor med længdeskylning - Google Patents

Totaktsmotor med længdeskylning Download PDF

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Publication number
DK2905450T3
DK2905450T3 DK13843592.0T DK13843592T DK2905450T3 DK 2905450 T3 DK2905450 T3 DK 2905450T3 DK 13843592 T DK13843592 T DK 13843592T DK 2905450 T3 DK2905450 T3 DK 2905450T3
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DK
Denmark
Prior art keywords
exhaust valve
exhaust
gas
closed position
fuel gas
Prior art date
Application number
DK13843592.0T
Other languages
English (en)
Inventor
Yutaka Masuda
Takayuki Yamada
Takayuki Hirose
Takahiro Kuge
Takeshi Yamada
Original Assignee
Ihi Corp
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Publication date
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Publication of DK2905450T3 publication Critical patent/DK2905450T3/da

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/0025—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F02D41/0047—Controlling exhaust gas recirculation [EGR]
    • F02D41/0077—Control of the EGR valve or actuator, e.g. duty cycle, closed loop control of position
    • 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
    • F02B25/02—Engines characterised by using fresh charge for scavenging cylinders using unidirectional scavenging
    • F02B25/04—Engines having ports both in cylinder head and in cylinder wall near bottom of piston stroke
    • 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
    • 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
    • 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
    • F02D13/028—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing during engine operation for two-stroke engines
    • F02D13/0284—Variable control of exhaust valves only
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F02D19/02—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with gaseous fuels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F02D19/06—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
    • F02D19/0663—Details on the fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
    • F02D19/0686—Injectors
    • F02D19/0692—Arrangement of multiple injectors per combustion chamber
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F02D19/06—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
    • F02D19/08—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed simultaneously using pluralities of fuels
    • F02D19/10—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed simultaneously using pluralities of fuels peculiar to compression-ignition engines in which the main fuel is gaseous
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/0025—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F02D41/0027—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures the fuel being gaseous
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
    • F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
    • F02M21/0218—Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
    • F02M21/0248—Injectors
    • F02M21/0275—Injectors for in-cylinder direct injection, e.g. injector combined with spark plug
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
    • F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
    • F02M21/0218—Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
    • F02M21/0284—Arrangement of multiple injectors or fuel-air mixers per combustion chamber
    • 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
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/0002—Controlling intake air
    • F02D2041/001—Controlling intake air for engines with variable valve actuation
    • 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
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/14—Introducing closed-loop corrections
    • F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
    • F02D41/1444—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases
    • F02D41/1459—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being a hydrocarbon content or concentration
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/30—Controlling fuel injection
    • F02D41/3011—Controlling fuel injection according to or using specific or several modes of combustion
    • F02D41/3017—Controlling fuel injection according to or using specific or several modes of combustion characterised by the mode(s) being used
    • F02D41/3035—Controlling fuel injection according to or using specific or several modes of combustion characterised by the mode(s) being used a mode being the premixed charge compression-ignition mode
    • F02D41/3041—Controlling fuel injection according to or using specific or several modes of combustion characterised by the mode(s) being used a mode being the premixed charge compression-ignition mode with means for triggering compression ignition, e.g. spark plug
    • F02D41/3047—Controlling fuel injection according to or using specific or several modes of combustion characterised by the mode(s) being used a mode being the premixed charge compression-ignition mode with means for triggering compression ignition, e.g. spark plug said means being a secondary injection of fuel
    • 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
    • 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
    • Y02T10/30—Use of alternative fuels, e.g. biofuels

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)

Claims (7)

1. Totaktsmotor med længdeskylning (100), omfattende: en cylinder (110), i hvilken der er dannet et forbrændingskammer (140); et stempel (112), som er konfigureret til at glide i cylinderen (110); skylleporte (122), der er udformet i en indvendig omkredsoverflade af én endeside af cylinderen (110) i en slagretning af stemplet (112) og konfigureret til at indsuge en aktiv gas i forbrændingskammeret (140) i overensstemmelse med en glidebevægelse af stemplet (112); brændstof indsprøjtningsventiler (128), som er konfigureret til indsprøjte en brændstofgas til den aktive gas, som er suget ind fra skylleportene (122) til forbrændingskammeret (140) for at generere en forblandet gas; en udstødningsport (116), som er udformet ved den anden ende af cylinderen (110) i en slagretning af stemplet (112); en udstødningsventil (120), der er konfigureret til at åbne og lukke udstødningsporten; og en udstødningsventildrivmekanisme (118), der er konfigureret til at åbne og lukke udstødningsventilen (120), således at en tid, som kræves til at forskyde udstødningsventilen (120) fra en fuldstændig åben position til en fuldstændig lukket position, er længere end den tid, som kræves til at forskyde udstødningsventilen (120) fra den fuldstændig lukkede position til den fuldstændig åbne position, og kendetegnet ved at omfatte: en blowby-detektor (132), der er konfigureret til at detektere en mængde af en brændstofgaskomponent, der indeholdes i den udstødningsgas, der udstødes fra udstødningsporten (116) som en mængde blowby af brændstofgassen fra udstødningsporten (116), og en udstødningsstyreenhed (154), som er konfigureret til at afgive et signal til aktivering af udstødningsventilen til styring af åbningsgraden af udstødningsventilen (120) til udstødningsventildrivmekanismen (118) i overensstemmelse med den detekterede mængde af blowby.
2. Totaktsmotor med længdeskylning (100) ifølge krav 1, hvor udstødnings-ventildrivmekanismen (118) begynder forskydningen af udstødningsventilen (120) fra den fuldstændig åbne position til den fuldstændig lukkede position på samme tid, som brændstofgassen begynder indsprøjtningen fra brændstofindsprøjtningsventilerne (128), eller efter brændstofgassen begynder indsprøjtningen.
3. Totaktsmotor med længdeskylning (100) ifølge krav 1 eller 2, hvor udstød-ningsventildrivmekanismen (118) ændrer en åbningsgrad af udstødningsventilen (120) til et eller flere trin mellem den fuldstændig åbne position og den fuldstændig lukkede position trin fortrin, når udstødningsventilen (120) forskydes fra den fuldstændig åbne position til den fuldstændig lukkede position.
4. Totaktsmotor med længdeskylning (100) ifølge krav 3, hvor udstødningsstyreenheden (154) styrer en størrelse af åbningsgraden gennem udstødningsventildrivmekanismen (118) ifølge den detekterede mængde af blowby.
5. Totaktsmotor med længdeskylning (100) ifølge krav 3, hvor udstødningsstyreenheden (154) styrer en tidsindstilling, ved hvilken udstødningsventilen (120) ændres fra den fuldstændig åbne position til åbningsgraden mellem den fuldstændig åbne position og den fuldstændig lukkede position gennem udstødningsventildrivmekanismen (118) ifølge den detekterede mængde af blowby.
6. Totaktsmotor med længdeskylning (100) ifølge krav 1 eller 2, hvor udstød-ningsventildrivmekanismen (118) kontinuerligt forskyder udstødningsventilen (120) fra den fuldstændig åbne position til den fuldstændig lukkede position, når udstødningsventilen (120) forskydes fra den fuldstændig åbne position til den fuldstændig lukkede position.
7. Totaktsmotor med længdeskylning (100) ifølge krav 6, hvor udstødningsstyreenheden (154) styrer et hvilket som helst eller begge af begyndelses- og afslutningstidspunkter gennem udstødningsventildrivmekanis-men (118) ifølge den detekterede mængde af blowby.
DK13843592.0T 2012-10-03 2013-10-03 Totaktsmotor med længdeskylning DK2905450T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012220901A JP6036128B2 (ja) 2012-10-03 2012-10-03 ユニフロー掃気式２サイクルエンジン
PCT/JP2013/076941 WO2014054732A1 (ja) 2012-10-03 2013-10-03 ユニフロー掃気式２サイクルエンジン

Publications (1)

Publication Number Publication Date
DK2905450T3 true DK2905450T3 (da) 2018-07-23

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Application Number Title Priority Date Filing Date
DK13843592.0T DK2905450T3 (da) 2012-10-03 2013-10-03 Totaktsmotor med længdeskylning

Country Status (7)

Country Link
US (1) US20150260115A1 (da)
EP (1) EP2905450B1 (da)
JP (1) JP6036128B2 (da)
KR (1) KR101725850B1 (da)
CN (1) CN104685188B (da)
DK (1) DK2905450T3 (da)
WO (1) WO2014054732A1 (da)

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Also Published As

Publication number Publication date
EP2905450A4 (en) 2016-06-15
JP2014074342A (ja) 2014-04-24
KR101725850B1 (ko) 2017-04-11
WO2014054732A1 (ja) 2014-04-10
EP2905450B1 (en) 2018-05-30
KR20150023917A (ko) 2015-03-05
US20150260115A1 (en) 2015-09-17
JP6036128B2 (ja) 2016-11-30
CN104685188B (zh) 2017-08-15
EP2905450A1 (en) 2015-08-12
CN104685188A (zh) 2015-06-03

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