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    • 6. 发明专利
    • Method for operating gas engine
    • 操作气体发动机的方法
    • JP2005307977A
    • 2005-11-04
    • JP2005118114
    • 2005-04-15
    • Waertsilae Finland Oyワルトシラ フィンランド オサケユキチュア
    • SAIKKONEN ARI
    • F02M21/02F02D19/08F02D19/10F02D41/22F02D41/34F02D45/00F02M37/00F02M45/02F02M61/14F02M63/00
    • F02D19/0623F02B7/08F02D19/0692F02D19/105F02D41/0027F02D41/3094F02D2041/224Y02T10/36
    • PROBLEM TO BE SOLVED: To provide a method for guaranteeing the operational reliability of a gas engine in all situations and minimizing the risk of the running out of liquid fuel and a method for reducing exhaust emission even in the backup operation state of the gas engine. SOLUTION: This method is a method for operating the gas engine equipped with a first fuel supply system 2, a second fuel supply system 3 and a third fuel supply system 4. The engine is operated by introducing gaseous fuel into the combustion air of the engine 1 via the first fuel supply system 2 and gaseous fuel is ignited by injecting ignition fuel into the mixture of gaseous fuel and combustion air via the second fuel supply system 3 in a first operation mode of the method. The engine is operated by introducing gaseous fuel into the combustion air of the engine 1 still via the first fuel supply system 2 and gaseous fuel is ignited by injecting ignition fuel into the mixture of gaseous fuel and combustion air via the third fuel supply system 4 in a second operation mode of the method. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供一种在所有情况下保证燃气发动机的操作可靠性的方法,并且尽量减少液体燃料流失的风险,以及即使在备用操作状态下也可减少排气的方法 燃气发动机 解决方案:该方法是用于操作配备有第一燃料供应系统2,第二燃料供应系统3和第三燃料供应系统4的燃气发动机的方法。发动机通过将气体燃料引入燃烧空气 通过第一燃料供应系统2发动机1,并且通过在该方法的第一操作模式中通过第二燃料供应系统3将点燃燃料喷射到气体燃料和燃烧空气的混合物中来点燃气体燃料。 引擎通过将气态燃料还是经由第一燃料供应系统2引入发动机1的燃烧空气中而被操作,并且气体燃料通过经由第三燃料供应系统4将点燃燃料喷射到气体燃料和燃烧空气的混合物中而点燃 该方法的第二操作模式。 版权所有(C)2006,JPO&NCIPI
    • 9. 发明专利
    • Uniflow scavenging two-cycle engine and fuel injection method for the same
    • 同期采用两轮循环发动机和燃油喷射方法
    • JP2014145289A
    • 2014-08-14
    • JP2013013559
    • 2013-01-28
    • Ihi Corp株式会社Ihi
    • MASUDA YUTAKAYAMADA TAKESHIHIROSE TAKAYUKIYAMADA NORIYUKIKUGE TAKAHIRO
    • F02B25/04
    • F02B25/04F02B7/08F02D41/0027F02D41/3094F02D2400/04F02M21/0275F02M21/0278Y02T10/32
    • PROBLEM TO BE SOLVED: To achieve efficient combustion by uniformly supplying premixed gas (fuel gas) to a combustion chamber.SOLUTION: A uniflow scavenging two-cycle engine 100 includes a cylinder 110 having a combustion chamber 140 in an inside thereof, a piston 112 sliding in the cylinder, a scavenging port 122 provided at one end in a stroke direction of the piston in the cylinder and sucking active gas into the combustion chamber in accordance with sliding movement of the piston, a first fuel injection part 126 provided in the scavenging port and injecting fuel gas to the active gas sucked by the scavenging port, and a second fuel injection part 128 provided at the other end in the stroke direction compared to the scavenging port in the cylinder and injecting the fuel gas to the active gas sucked into the cylinder from the scavenging port.
    • 要解决的问题:通过将预混合气体(燃料气体)均匀地供应到燃烧室来实现有效的燃烧。解决方案:单流清扫双循环发动机100包括在其内部具有燃烧室140的气缸110,活塞112 在气缸中滑动,清扫口122设置在气缸中的活塞的冲程方向的一端,并根据活塞的滑动将吸入活性气体到燃烧室;第一燃料喷射部分126,设置在扫气 将燃料气体喷射到由扫气口吸入的活性气体,以及与气缸中的扫气口相比在行程方向上设置的另一端的第二燃料喷射部128,并将燃料气体喷射到被吸入的活性气体 气缸从清扫口。
    • 10. 发明专利
    • Gas engine driving system and ship
    • 燃气发动机驱动系统和船舶
    • JP2014118858A
    • 2014-06-30
    • JP2012273423
    • 2012-12-14
    • Kawasaki Heavy Ind Ltd川崎重工業株式会社
    • OTANI SHINICHISHIKANO KENJITOTANI YOSHIHIKOUI TAKEO
    • F02M21/02F02B43/00
    • F02M21/06F02B7/08F02D19/0647F02D19/0692F02D19/10F02M21/0215F02M21/0218F02M21/0221F02M21/0275F02M21/0278F02M21/0287Y02T10/32Y02T10/36
    • PROBLEM TO BE SOLVED: To provide a gas engine driving system capable of preventing knocking and accidental fire, and effectively utilizing a boil-off gas.SOLUTION: A gas engine driving system 10A includes a two-stroke gas engine 2E having a combustion chamber 20, a tank 3 for storing a natural gas in a liquid state, and a vaporizer 73 for vaporizing the natural gas in the liquid state extracted from the tank 3. In the combustion chamber 20, a part of the natural gas in the amount necessary for one combustion is injected to the combustion chamber 20 from a first fuel injecting mechanism 4 at low pressure, and the remainder is injected from a second fuel injecting mechanism 5 at high pressure. The natural gas vaporized in the tank 3 is guided to the first fuel injecting mechanism 4 through a first supply passage 6, and the natural gas vaporized in the vaporizer 73 is guided to the second fuel injecting mechanism 5 through a second supply passage 74.
    • 要解决的问题:提供一种能够防止爆震和意外火灾并有效利用蒸发气体的燃气发动机驱动系统。解决方案:燃气发动机驱动系统10A包括具有燃烧室20的二冲程燃气发动机2E ,用于储存液态天然气的罐3和用于使从罐3抽出的液态天然气气化的蒸发器73.在燃烧室20中,将一部分天然气的量为 一个燃烧从低压下的第一燃料喷射机构4喷射到燃烧室20,其余部分从第二燃料喷射机构5以高压喷射。 在罐3中蒸发的天然气通过第一供应通道6被引导到第一燃料喷射机构4,并且在蒸发器73中汽化的天然气通过第二供应通道74被引导到第二燃料喷射机构5。