DK2891790T3 - Totaktsmotor med længdeskylning - Google Patents

Totaktsmotor med længdeskylning Download PDF

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Publication number
DK2891790T3
DK2891790T3 DK13833096.4T DK13833096T DK2891790T3 DK 2891790 T3 DK2891790 T3 DK 2891790T3 DK 13833096 T DK13833096 T DK 13833096T DK 2891790 T3 DK2891790 T3 DK 2891790T3
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DK
Denmark
Prior art keywords
fuel injection
fuel
cylinder
gas
directions
Prior art date
Application number
DK13833096.4T
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 DK2891790T3 publication Critical patent/DK2891790T3/da

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D41/00Electrical control of supply of combustible mixture or its constituents
    • F02D41/30Controlling fuel injection
    • F02D41/3094Controlling fuel injection the fuel injection being effected by at least two different injectors, e.g. one in the intake manifold and one in the cylinder
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B25/00Engines characterised by using fresh charge for scavenging cylinders
    • F02B25/02Engines characterised by using fresh charge for scavenging cylinders using unidirectional scavenging
    • F02B25/04Engines having ports both in cylinder head and in cylinder wall near bottom of piston stroke
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B25/00Engines characterised by using fresh charge for scavenging cylinders
    • F02B25/02Engines characterised by using fresh charge for scavenging cylinders using unidirectional scavenging
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01BMACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES
    • F01B17/00Reciprocating-piston machines or engines characterised by use of uniflow principle
    • F01B17/02Engines
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B7/00Engines characterised by the fuel-air charge being ignited by compression ignition of an additional fuel
    • F02B7/06Engines characterised by the fuel-air charge being ignited by compression ignition of an additional fuel the fuel in the charge being gaseous
    • F02B7/08Methods of operating
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D19/00Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F02D19/06Controlling 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
    • F02D19/08Controlling 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
    • F02D19/10Controlling 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D41/00Electrical control of supply of combustible mixture or its constituents
    • F02D41/0025Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F02D41/0027Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures the fuel being gaseous
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D41/00Electrical control of supply of combustible mixture or its constituents
    • F02D41/30Controlling fuel injection
    • F02D41/32Controlling fuel injection of the low pressure type
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D41/00Electrical control of supply of combustible mixture or its constituents
    • F02D41/30Controlling fuel injection
    • F02D41/32Controlling fuel injection of the low pressure type
    • F02D41/34Controlling fuel injection of the low pressure type with means for controlling injection timing or duration
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M21/00Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
    • F02M21/02Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
    • F02M21/0218Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
    • F02M21/0248Injectors
    • F02M21/0275Injectors for in-cylinder direct injection, e.g. injector combined with spark plug
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M21/00Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
    • F02M21/02Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
    • F02M21/0218Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
    • F02M21/0248Injectors
    • F02M21/0281Adapters, sockets or the like to mount injection valves onto engines; Fuel guiding passages between injectors and the air intake system or the combustion chamber
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M21/00Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
    • F02M21/02Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
    • F02M21/0218Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
    • F02M21/0284Arrangement of multiple injectors or fuel-air mixers per combustion chamber
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M61/00Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
    • F02M61/14Arrangements of injectors with respect to engines; Mounting of injectors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M69/00Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel
    • F02M69/04Injectors peculiar thereto
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B75/00Other engines
    • F02B75/02Engines characterised by their cycles, e.g. six-stroke
    • F02B2075/022Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle
    • F02B2075/025Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle two
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D41/00Electrical control of supply of combustible mixture or its constituents
    • F02D41/30Controlling fuel injection
    • F02D41/38Controlling fuel injection of the high pressure type
    • F02D2041/389Controlling fuel injection of the high pressure type for injecting directly into the cylinder
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D2250/00Engine control related to specific problems or objectives
    • F02D2250/08Engine blow-by from crankcase chamber
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D2400/00Control 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
    • F02D2400/04Two-stroke combustion engines with electronic control
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/30Use of alternative fuels, e.g. biofuels
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/40Engine management systems

Landscapes

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

Claims (3)

1. Totaktsmotor (100) af længdeskylningstypen, omfattende: en cylinder (110), i hvilken der er dannet et forbrændingskammer (140); et stempel (112), som glider i cylinderen (110); en udstødningsport (116), som er tilvejebragt ved en første ende af cylinderen (110) i en slagretning af stemplet (112); en udstødningsventil (120), der åbner og lukker udstødningsporten (116); en skylleport (122), der er tilvejebragt i en indvendig omkredsoverflade (110b) af en anden ende af cylinderen (110) i slagretningen af stemplet (112) og indsuger en aktiv gas i forbrændingskammeret (140) i overensstemmelse med en glidebevægelse af stemplet (112); en flerhed af brændstofindsprøjtningsventiler (114, 128), som indsprøjter en brændstofgas til den aktive gas, som er blevet trukket ind fra skylleporten (122) til forbrændingskammeret (140), for derved at generere en forblandet gas; og en brændstofindsprøjtningsstyreenhed (152), kendetegnet ved, at brændstofindsprøjtningsstyreenheden (152) varierer indsprøjtningsretninger af brændstofgas, der indsprøjtes fra en del af eller alle brændstofindsprøjtningsventilerne (114, 128); motoren (100) yderligere omfatter en belastningsbestemmelsesenhed (152), der bestemmer, om totaktsmotoren (100) af længdeskylningstypen er i en tilstand med høj belastning eller i en tilstand med lav belastning, og hvor, hvis en tilstand, der detekteres af belastningsbestemmelsesenheden (152), er tilstanden med høj belastning, så drejer brændstofindsprøjtningssty-reenheden (152) indsprøjtningsretningerne af brændstofgassen til første retninger, som er retninger langs en hvirvelstrøm af den aktive gas, der trækkes ind i cylinderen (110); og hvis en belastningstilstand, der detekteres af belastningsbestemmelsesenheden (152), er tilstanden med lav belastning, så drejer brændstofindsprøjtningsstyreenheden (152) indsprøjtningsretningerne af brændstofgassen til anden retninger, som er retninger, der er tættere på en midterakse af cylinderen (110) end de første retninger.
2. Totaktsmotor (100) af længdeskylningstypen ifølge krav 1, yderligere omfattende: en blowby-detekteringsenhed (132), der detekterer en mængde af blowby af brændstofgas fra udstødningsporten (120), hvor, hvis mængden af blowby af brændstofgassen, der detekteres af blow-by-detekteringsenheden (132), ikke er mindre end en tærskelværdi, så drejer brændstofindsprøjtningsstyreenheden (152) indsprøjtningsretningerne af brændstofgassen til retninger, som er tættere på skylleporten (122) i slagretningen af stemplet (112), end hvis mængden af blowby af brændstofgassen er mindre end tærskelværdien.
3. Totaktsmotor (100) af længdeskylningstypen ifølge krav 1 eller 2, hvor, med hensyn til brændstofindsprøjtningsventilerne (114, 128), en strømningspassagejusteringsmekanisme (230) er tilvejebragt et eller andet sted i en strømningspassage fra et indvendigt område (214) af brændstofindsprøjtningsventilen (114, 128) til et indsprøjtningsudløb (212), gennem hvilket brændstofgassen strømmer.
DK13833096.4T 2012-08-31 2013-08-29 Totaktsmotor med længdeskylning DK2891790T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012191120A JP5983196B2 (ja) 2012-08-31 2012-08-31 ユニフロー掃気式2サイクルエンジン
PCT/JP2013/073188 WO2014034796A1 (ja) 2012-08-31 2013-08-29 ユニフロー掃気式2サイクルエンジン

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DK2891790T3 true DK2891790T3 (da) 2018-02-05

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DK13833096.4T DK2891790T3 (da) 2012-08-31 2013-08-29 Totaktsmotor med længdeskylning

Country Status (7)

Country Link
US (1) US9810142B2 (da)
EP (1) EP2891790B1 (da)
JP (1) JP5983196B2 (da)
KR (1) KR101656323B1 (da)
CN (1) CN104619981B (da)
DK (1) DK2891790T3 (da)
WO (1) WO2014034796A1 (da)

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JP5949183B2 (ja) 2012-06-06 2016-07-06 株式会社Ihi 2ストロークユニフローエンジン
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WO2014181861A1 (ja) 2013-05-10 2014-11-13 株式会社Ihi ユニフロー掃気式2サイクルエンジン
EP3015698A1 (de) * 2014-10-31 2016-05-04 Winterthur Gas & Diesel AG Gaszuführsystem mit Schaftabdichtung und Zylinder für eine Hubkolbenbrennkraftmaschine, Hubkolbenbrennkraftmaschine, sowie Verfahren zum Betreiben einer Hubkolbenbrennkraftmaschine
DK3015679T3 (da) * 2014-10-31 2019-03-11 Winterthur Gas & Diesel Ag Cylinder til en stempelforbrændingsmotor, stempelforbrændingsmotor samt fremgangsmåde til drift af en stempelforbrændingsmotor
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CN112682236B (zh) * 2020-12-27 2022-08-23 常州市华辉油嘴油泵有限公司 一种可变径伞状喷口喷油器

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Publication number Publication date
EP2891790B1 (en) 2018-01-03
EP2891790A1 (en) 2015-07-08
KR101656323B1 (ko) 2016-09-09
JP5983196B2 (ja) 2016-08-31
KR20150038602A (ko) 2015-04-08
WO2014034796A1 (ja) 2014-03-06
JP2014047705A (ja) 2014-03-17
CN104619981A (zh) 2015-05-13
EP2891790A4 (en) 2016-06-29
US9810142B2 (en) 2017-11-07
US20150176475A1 (en) 2015-06-25
CN104619981B (zh) 2017-03-01

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