DK2995794T3 - Totaktsmotor med længdeskylning - Google Patents

Totaktsmotor med længdeskylning Download PDF

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Publication number
DK2995794T3
DK2995794T3 DK14794160.3T DK14794160T DK2995794T3 DK 2995794 T3 DK2995794 T3 DK 2995794T3 DK 14794160 T DK14794160 T DK 14794160T DK 2995794 T3 DK2995794 T3 DK 2995794T3
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DK
Denmark
Prior art keywords
injection unit
injection
unit group
gas
cylinder
Prior art date
Application number
DK14794160.3T
Other languages
English (en)
Inventor
Takahiro Kuge
Yutaka Masuda
Takayuki Yamada
Takeshi Yamada
Masafumi Kawai
Ken SHIZUYA
Original Assignee
Ihi Corp
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 Ihi Corp filed Critical Ihi Corp
Application granted granted Critical
Publication of DK2995794T3 publication Critical patent/DK2995794T3/da

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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
    • F02B23/00—Other engines characterised by special shape or construction of combustion chambers to improve operation
    • F02B23/02—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition
    • 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
    • F02B25/06—Engines having ports both in cylinder head and in cylinder wall near bottom of piston stroke the cylinder-head ports being controlled by working pistons, e.g. by sleeve-shaped extensions thereof
    • 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
    • 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
    • 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
    • F02M21/0248—Injectors
    • F02M21/0278—Port fuel injectors for single or multipoint injection into the air intake system
    • 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
    • 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
    • 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
    • F02D41/0025—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • 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)
  • Fuel-Injection Apparatus (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Combustion Methods Of Internal-Combustion Engines (AREA)

Claims (4)

1. Totaktsmotor med længdeskylning, omfattende: en cylinder (110), i hvilken der er dannet et forbrændingskammer; et stempel (112), som glider inden i cylinderen (110); en skylleport (122), som er tilvejebragt på en nedre side i en vertikal retning, som er en slagretning af stemplet (112) i cylinderen (110), og suger en aktiv gas ind i forbrændingskammeret i overensstemmelse med glidebevægelsen af stemplet (112); kendetegnet ved, at en brændstofindsprøjtningsenhed (126, 226, 326), som indbefatter: et blandingsrør (126a, 226a, 326a, 126b, 226b, 325b), som omgiver cylinderen (110) ved en radialt ydre side deraf i en omkredsretning; og et cirkulationsrør (126e, 226e, 326e, 126f, 226f, 326f), som er i forbindelse med blandingsrøret (126a, 226a, 326a, 126b, 226b, 325b); og hvor en flerhed af indsprøjtningsenheder (126g, 226g, 326g, 126h, 226h, 326h), som indbefatter åbninger, der indsprøjter en brændstofgas i den aktive gas, der suges ind i skylleporten (122), er tilvejebragt ved forskellige positioner i den vertikale retning på cirkulationsrøret (126e, 226e, 326e, 126f, 226f, 326f), flerheden af indsprøjtningsenheder (126g, 226g, 326g, 126h, 226h, 326h) er inddelt i mindst to sæt af indsprøjtningsenhedsgrupper, som indbefatter en første indsprøjtningsenhedsgruppe (160) og en anden indsprøjtningsenhedsgruppe (162), hvor den første indsprøjtningsenhedsgruppe (160) er et sæt af en eller en flerhed af indsprøjtningsenheder (126g, 226g, 326g), den anden indsprøjtningsenhedsgruppe (162) er et sæt af en eller en flerhed af indsprøjtningsenheder (126h, 226h, 326h), der er placeret på den nedre side fra den første indsprøjtningsenhedsgruppe (160) i den vertikale retning, og indsprøjtningsstoppet af brændstofgassen er senere i indsprøjtningsenheden (126g, 226g, 326g) af den første indsprøjtningsenhedsgruppe (160) end i indsprøjtningsenheden (126h, 226h, 432) af den anden indsprøjtningsenhedsgruppe (162).
2. Totaktsmotor med længdeskylning ifølge krav 1, hvor brændstofindsprøjtningsenheden (226) yderligere indbefatter en omskiftningsventil (126c, 126d), som åbner og lukker en strømningspassage af brændstofgassen tilført til indsprøjtningsenheden (226g, 226h), og afstanden fra omskiftningsventilen (126c, 126d) til indsprøjtningsenheden (226g, 226h) er længere i den første indsprøjtningsenhedsgruppe (160) end i den anden indsprøjtningsenhedsgruppe (162).
3. Totaktsmotor med længdeskylning ifølge krav 1 eller krav 2, hvor, i strømningspassagen af brændstof gassen, i hvilken indsprøjtningsenheden (326g, 326h) anvendes som en udgangsende, et strømningspassageområde i en retning, der er vinkelret på strømningen af brændstof gassen, er mindre i den første indsprøjtningsenhedsgruppe (160) end i den anden indsprøjtningsenhedsgruppe (162).
4. Totaktsmotor med længdeskylning ifølge krav 1, hvor indsprøjtningsstarten af brændstofgassen er senere i indsprøjtningsenheden (126g, 226g, 326g) af den første indsprøjtningsenhedsgruppe (160) end i indsprøjtningsenheden (126h, 226h, 326h) af den anden indsprøjtningsenhedsgruppe (162) i overensstemmelse med timingen, ved hvilken skylleporten (122) gradvist åbnes fra en øvre side til den nedre side i den vertikale retning ved en nedadgående bevægelse af stemplet (112).
DK14794160.3T 2013-05-10 2014-05-09 Totaktsmotor med længdeskylning DK2995794T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2013100527 2013-05-10
PCT/JP2014/062473 WO2014181867A1 (ja) 2013-05-10 2014-05-09 ユニフロー掃気式２サイクルエンジン

Publications (1)

Publication Number Publication Date
DK2995794T3 true DK2995794T3 (da) 2018-05-22

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ID=51867339

Family Applications (1)

Application Number Title Priority Date Filing Date
DK14794160.3T DK2995794T3 (da) 2013-05-10 2014-05-09 Totaktsmotor med længdeskylning

Country Status (7)

Country Link
US (1) US20160061099A1 (da)
EP (1) EP2995794B1 (da)
JP (1) JP5974379B2 (da)
KR (1) KR101809697B1 (da)
CN (1) CN105189968B (da)
DK (1) DK2995794T3 (da)
WO (1) WO2014181867A1 (da)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JP5983196B2 (ja) 2012-08-31 2016-08-31 株式会社Ihi ユニフロー掃気式２サイクルエンジン
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
EP3594469A4 (en) * 2017-03-06 2020-08-12 IHI Corporation LONGITUDINAL TWO STROKE MOTOR

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JPS62129518A (ja) * 1985-11-28 1987-06-11 Mitsubishi Heavy Ind Ltd 掃気ポ−ト管制式内燃機関
CN1031808C (zh) * 1993-03-26 1996-05-15 西安电子科技大学 滚锥蜗杆传动机构
JPH06346737A (ja) * 1993-06-07 1994-12-20 Mitsubishi Heavy Ind Ltd ディーゼル機関の掃気装置
EP0651151B1 (de) * 1993-10-29 1998-09-16 Wärtsilä NSD Schweiz AG Hubkolbenbrennkraftmaschine der Dieselbauart
DK176118B1 (da) 1997-04-29 2006-09-04 Man B & W Diesel As Fremgangsmåde til drift af en trykladet dual fuel forbrændingsmotor af dieseltypen og en sådan motor
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KR20100101516A (ko) * 2009-03-09 2010-09-17 베르트질레 슈바이츠 악티엔게젤샤프트 공작물의 안착면을 코팅하는 방법 및 코팅된 안착면을 구비한 공작물
JP2011122465A (ja) * 2009-12-08 2011-06-23 Denso Corp 燃料噴射制御装置
JP5587091B2 (ja) * 2010-08-05 2014-09-10 株式会社ディーゼルユナイテッド ２ストロークガス機関
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Also Published As

Publication number Publication date
JP5974379B2 (ja) 2016-08-23
CN105189968B (zh) 2018-04-13
EP2995794A1 (en) 2016-03-16
EP2995794B1 (en) 2018-03-14
KR101809697B1 (ko) 2017-12-15
JPWO2014181867A1 (ja) 2017-02-23
CN105189968A (zh) 2015-12-23
US20160061099A1 (en) 2016-03-03
WO2014181867A1 (ja) 2014-11-13
EP2995794A4 (en) 2017-01-04
KR20150132586A (ko) 2015-11-25

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