KR20150119975A - 2 사이클 가스 엔진 - Google Patents

2 사이클 가스 엔진 Download PDF

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Publication number
KR20150119975A
KR20150119975A KR1020157028760A KR20157028760A KR20150119975A KR 20150119975 A KR20150119975 A KR 20150119975A KR 1020157028760 A KR1020157028760 A KR 1020157028760A KR 20157028760 A KR20157028760 A KR 20157028760A KR 20150119975 A KR20150119975 A KR 20150119975A
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KR
South Korea
Prior art keywords
fuel gas
injection device
gas injection
piston
combustion chamber
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
KR1020157028760A
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English (en)
Korean (ko)
Inventor
히로유키 이시다
아키히로 유우키
아키히로 미야나기
나오히로 히라오카
야스유키 고마다
Original Assignee
미츠비시 쥬고교 가부시키가이샤
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 미츠비시 쥬고교 가부시키가이샤 filed Critical 미츠비시 쥬고교 가부시키가이샤
Publication of KR20150119975A publication Critical patent/KR20150119975A/ko
Ceased legal-status Critical Current

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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
    • F02B43/00—Engines characterised by operating on gaseous fuels; Plants including such engines
    • F02B43/02—Engines characterised by means for increasing operating efficiency
    • F02B43/04—Engines characterised by means for increasing operating efficiency for improving efficiency of combustion
    • 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
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M1/00—Pressure lubrication
    • F01M1/16—Controlling lubricant pressure or quantity
    • 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
    • F02B23/06—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston
    • F02B23/0603—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston at least part of the interior volume or the wall of the combustion space being made of material different from the surrounding piston part, e.g. combustion space formed within a ceramic part fixed to a metal piston head
    • 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
    • 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
    • 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
    • F02D19/0694—Injectors operating with a plurality of 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
    • F02D19/08—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
    • 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
    • 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
    • F02M21/04—Gas-air mixing apparatus
    • 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
    • F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
    • F02M61/14—Arrangements of injectors with respect to engines; Mounting of injectors
    • 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
    • F02M69/00—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel
    • F02M69/10—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel peculiar to scavenged two-stroke engines, e.g. injecting into crankcase-pump 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
    • 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
    • Y02T10/36—

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)
  • Ceramic Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Combustion Methods Of Internal-Combustion Engines (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Fuel-Injection Apparatus (AREA)
KR1020157028760A 2012-04-11 2013-01-31 2 사이클 가스 엔진 Ceased KR20150119975A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2012090231A JP5765819B2 (ja) 2012-04-11 2012-04-11 ２サイクルガスエンジン
JPJP-P-2012-090231 2012-04-11
PCT/JP2013/052212 WO2013153840A1 (ja) 2012-04-11 2013-01-31 ２サイクルガスエンジン

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
KR1020147026708A Division KR20140124862A (ko) 2012-04-11 2013-01-31 2 사이클 가스 엔진

Publications (1)

Publication Number Publication Date
KR20150119975A true KR20150119975A (ko) 2015-10-26

Family

ID=49327420

Family Applications (2)

Application Number Title Priority Date Filing Date
KR1020157028760A Ceased KR20150119975A (ko) 2012-04-11 2013-01-31 2 사이클 가스 엔진
KR1020147026708A Ceased KR20140124862A (ko) 2012-04-11 2013-01-31 2 사이클 가스 엔진

Family Applications After (1)

Application Number Title Priority Date Filing Date
KR1020147026708A Ceased KR20140124862A (ko) 2012-04-11 2013-01-31 2 사이클 가스 엔진

Country Status (6)

Country Link
US (2) US20150047620A1 (enExample)
EP (1) EP2837790A4 (enExample)
JP (1) JP5765819B2 (enExample)
KR (2) KR20150119975A (enExample)
CN (3) CN104204440B (enExample)
WO (1) WO2013153840A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20210118141A (ko) * 2019-03-08 2021-09-29 제이에프이 엔지니어링 가부시키가이샤 디젤엔진

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9995201B2 (en) * 2014-02-12 2018-06-12 Achates Power, Inc. Low reactivity, compression-ignition, opposed-piston engine
JP2015190328A (ja) * 2014-03-27 2015-11-02 三井造船株式会社 ガスインジェクションエンジンの燃料噴射方式
JP6746268B2 (ja) * 2014-06-05 2020-08-26 三菱重工業株式会社 内燃機関およびこれを備えた船舶ならびに内燃機関の制御方法
JP6435553B2 (ja) * 2015-02-03 2018-12-12 株式会社三井Ｅ＆Ｓマシナリー ハイブリッドガスエンジン船
JP2017207011A (ja) * 2016-05-19 2017-11-24 日立オートモティブシステムズ株式会社 内燃機関制御装置
CN108223121A (zh) * 2018-03-26 2018-06-29 郏政广 新型二冲程发动机
JP2023096412A (ja) * 2021-12-27 2023-07-07 株式会社ジャパンエンジンコーポレーション ガスエンジン
GB202213519D0 (en) * 2022-09-15 2022-11-02 Cosworth Group Holdings Ltd Improvements in or relating to gaseous fuelled internal combustion engines
EP4390101A1 (en) * 2022-12-19 2024-06-26 Winterthur Gas & Diesel Ltd. Internal combustion engine

Family Cites Families (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5896113A (ja) * 1981-12-01 1983-06-08 Mitsubishi Heavy Ind Ltd ２サイクル内燃機関
CH665453A5 (de) * 1985-01-11 1988-05-13 Sulzer Ag Zylinderdeckel fuer eine kolbenbrennkraftmaschine.
JPS6245339A (ja) 1985-08-23 1987-02-27 Sumitomo Chem Co Ltd 有機溶剤の脱水方法
JPS6245339U (enExample) * 1985-09-10 1987-03-19
JPH0341068Y2 (enExample) * 1985-12-05 1991-08-29
JP2538908B2 (ja) * 1987-03-15 1996-10-02 三菱重工業株式会社 ２種燃料エンジンの噴射システム
JPH06618Y2 (ja) * 1987-11-27 1994-01-05 三菱重工業株式会社 ガス焚きディーゼルエンジンの燃料供給装置
JPH01318716A (ja) * 1988-06-17 1989-12-25 Mitsubishi Heavy Ind Ltd 内燃機関の排気脱硝方法
US4924828A (en) * 1989-02-24 1990-05-15 The Regents Of The University Of California Method and system for controlled combustion engines
GB8915352D0 (en) * 1989-07-04 1989-08-23 Ortech Corp Dual fuel natural gas/diesel 2-stroke engine
JPH06137150A (ja) 1992-10-23 1994-05-17 Ishikawajima Shibaura Mach Co Ltd ガスエンジンの燃料供給装置
JPH06257442A (ja) * 1993-03-05 1994-09-13 Mazda Motor Corp ユニフロー式２サイクルエンジン
JPH0791256A (ja) * 1993-09-24 1995-04-04 Kubota Corp 副室式火花点火エンジンの燃料噴射装置
EP0651151B1 (de) * 1993-10-29 1998-09-16 Wärtsilä NSD Schweiz AG Hubkolbenbrennkraftmaschine der Dieselbauart
KR0141074B1 (ko) * 1994-10-15 1998-07-01 김태구 압축천연가스 엔진의 플로우 제너레이팅 장치
US6032617A (en) * 1998-05-27 2000-03-07 Caterpillar Inc. Dual fuel engine which ignites a homogeneous mixture of gaseous fuel, air, and pilot fuel
US6467452B1 (en) * 2000-07-13 2002-10-22 Caterpillar Inc Method and apparatus for delivering multiple fuel injections to the cylinder of an internal combustion engine
US6526939B2 (en) * 2001-04-27 2003-03-04 Wisconsin Alumni Research Foundation Diesel engine emissions reduction by multiple injections having increasing pressure
US6668789B1 (en) * 2001-08-23 2003-12-30 Wisconsin Alumni Research Foundation Internal combustion engine using premixed combustion of stratified charges
JP2003247444A (ja) * 2002-02-21 2003-09-05 Osaka Gas Co Ltd 火花点火式２サイクルエンジン
JP3991789B2 (ja) * 2002-07-04 2007-10-17 トヨタ自動車株式会社 混合気を圧縮自着火させる内燃機関
US6840237B2 (en) * 2002-12-30 2005-01-11 Ford Global Technologies, Llc Method for auto-ignition operation and computer readable storage device
JP4033160B2 (ja) * 2004-03-30 2008-01-16 トヨタ自動車株式会社 予混合圧縮自着火運転が可能な内燃機関の制御装置
JP4100401B2 (ja) * 2005-02-24 2008-06-11 トヨタ自動車株式会社 内燃機関
DE102006014071B3 (de) * 2006-03-27 2007-10-25 MOT Forschungs- und Entwicklungsgesellschaft für Motorentechnik, Optik, Thermodynamik mbH Brennverfahren einer Brennkraftmaschine und Brennkraftmaschine
US9010293B2 (en) * 2006-04-07 2015-04-21 David A. Blank Combustion control via homogeneous combustion radical ignition (HCRI) or partial HCRI in cyclic IC engines
JP4989281B2 (ja) * 2007-04-10 2012-08-01 株式会社ニッキ ガスエンジンの燃料供給方法及びガソリン代替ガス燃料噴射制御装置
DE102008041237A1 (de) * 2008-08-13 2010-02-18 Robert Bosch Gmbh Verfahren zur Kraftstoffeinbringung in einen Brennraum einer Brennkraftmaschine
US8616177B2 (en) * 2010-02-11 2013-12-31 Wisconsin Alumni Research Foundation Engine combustion control via fuel reactivity stratification
CN103026034B (zh) * 2010-08-05 2015-08-05 株式会社Ihi 二循环发动机
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
CN202001108U (zh) * 2011-01-31 2011-10-05 武汉理工大学 船用发动机双燃料供给系统
JP5851918B2 (ja) * 2012-04-11 2016-02-03 三菱重工業株式会社 二元燃料ディーゼルエンジン及びその運転方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20210118141A (ko) * 2019-03-08 2021-09-29 제이에프이 엔지니어링 가부시키가이샤 디젤엔진

Also Published As

Publication number Publication date
CN104204440B (zh) 2016-11-16
CN105971719B (zh) 2018-11-30
JP5765819B2 (ja) 2015-08-19
CN105971719A (zh) 2016-09-28
CN106014601B (zh) 2019-06-04
EP2837790A1 (en) 2015-02-18
US20150047620A1 (en) 2015-02-19
US20160252011A1 (en) 2016-09-01
EP2837790A4 (en) 2015-12-02
CN104204440A (zh) 2014-12-10
KR20140124862A (ko) 2014-10-27
WO2013153840A1 (ja) 2013-10-17
JP2013217334A (ja) 2013-10-24
CN106014601A (zh) 2016-10-12

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