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    • 83. 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。