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    • 23. 发明授权
    • Internal combustion engine
    • 内燃机
    • US06990956B2
    • 2006-01-31
    • US10895913
    • 2004-07-22
    • Kuniaki Niimi
    • Kuniaki Niimi
    • F02B7/00
    • F02P5/1527F02B2275/16F02D19/0628F02D19/0649F02D19/0692F02D19/081F02D37/02F02D41/0025F02D41/047F02D2200/0614F02M43/00Y02T10/123Y02T10/36Y02T10/46
    • An internal combustion engine, in which multiple kinds of fuels are fed to a cylinder from multiple fuel injectors each corresponding to each of multiple kinds of fuels at a target mixing ratio determined according to a running condition, includes an actual fuel mixing ratio calculator calculating an actual fuel mixing ratio of fuel fed to cylinder. The actual fuel mixing ratio calculator at first calculates actual fuel injection quantity of each fuel injection by adding or subtracting predetermined stuck-on-wall fuel to or from each quantity of fuel injected from each fuel injector, and then calculates an actual fuel mixing ratio of fuel fed to cylinder on the basis of the calculated actual fuel injection quantity of each fuel injector.
    • 一种内燃机,其中将多种燃料从多个燃料喷射器供给至气缸,每个燃料喷射器按照根据运行状态确定的目标混合比对应于多种燃料中的每一种,包括实际的燃料混合比率计算器 燃料供给到汽缸的实际燃料混合比。 实际的燃料混合比率计算器首先通过向每个燃料喷射器喷射的每个燃料量加上或减去预定的粘附壁燃料来计算每次燃料喷射的实际燃料喷射量,然后计算实际燃料混合比的实际燃料混合比 基于计算出的每个燃料喷射器的实际燃料喷射量,供给到气缸的燃料。
    • 24. 发明申请
    • Spark ignition engine
    • 火花点火发动机
    • US20050005906A1
    • 2005-01-13
    • US10880536
    • 2004-07-01
    • Kuniaki Niimi
    • Kuniaki Niimi
    • F02M37/00F02D41/00F02D41/02F02D41/22F02D43/00F02D45/00F02P5/152
    • F02D35/027F02D41/0025F02P5/1527Y02T10/46
    • There is provided a spark ignition engine having a low RON fuel tank to store a low RON fuel and a high RON fuel tank to store a high RON fuel, which can detect storage failure. It is judged that the two kinds of fuels are properly stored when differences between the base ignition timing and the practical ignition timing at different loads are identical. When the differences are not identical, for example, it is judged that the high RON fuel is stored both in the two fuel tanks when a difference between the proper mix fuel knocking-occur ignition timing and the practical ignition timing is decreased as the load is increased. When a difference between the proper mix fuel knocking-occur ignition timing and the practical ignition timing is increased as the load is increased, it is judged that the two kind of fuels are reversely stored when a difference of differences between the proper mix fuel knocking-occur ignition timing and practical ignition timing at predetermined two load is greater than a predetermined threshold, and it is judges that the low RON fuel is stored both in the two tanks when the difference of differences between the proper mix fuel knocking-occur ignition timing and practical ignition timing at predetermined two load is smaller than a predetermined threshold.
    • 提供了具有低RON燃料箱以存储低RON燃料和高RON燃料箱的火花点火发动机,以存储可以检测存储故障的高RON燃料。 当基点点火正时与不同负载下的实际点火正时之间的差异相同时,判断为两种燃料适当地存储。 当差异不相同时,例如,当适当的混合燃料爆燃发生点火正时和实际点火正时之间的差异因负载是下降时,判断为高RON燃料被储存在两个燃料箱中 增加。 当适当的混合燃料爆燃发生点火正时与实际点火正时之间的差异随着负荷的增加而增加时,当适当的混合燃料爆燃时间差的差异被判定为反向储存两种燃料, 发生点火正时和在预定的两个负载下的实际点火正时大于预定阈值,并且当适当的混合燃料爆燃发生点火正时和 在预定的两个负载下的实际点火正时小于预定阈值。