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    GAS OR DUAL FUEL ENGINE
    1.
    发明申请
    GAS OR DUAL FUEL ENGINE 有权
    燃气或双燃料发动机

    公开(公告)号：US20150252738A1

    公开(公告)日：2015-09-10

    申请号：US14641154

    申请日：2015-03-06

    申请人： Caterpillar Motoren GmbH & Co. KG

    发明人： Eike SIXEL ,  Adam Stubbs ,  Aradhita Subirkumar Chakrabarty ,  Daniel Wester ,  Rodney Stazicker ,  Michael Andrew Snopko ,  Arvind Sivasubramanian

    IPC分类号： F02D19/06

    CPC分类号： F02D19/0607 ,  F02D19/0626 ,  F02D41/0025 ,  F02D41/005 ,  F02D41/0085 ,  F02D41/0087 ,  F02D41/401 ,  F02D2200/0618 ,  F02D2200/1002 ,  F02D2250/18 ,  F02D2250/32 ,  Y02T10/36 ,  Y02T10/44 ,  Y02T10/47

    摘要： A method of operating a gas or dual fuel engine having a plurality of cylinders, includes monitoring a characteristic of each of the plurality of cylinders during operation of the gas or dual fuel engine. The method also includes detecting a pre-ignition condition associated with one or more cylinders of the plurality of cylinders based on the monitored characteristic. The method further includes reducing fuel supply to the one or more cylinders having the pre-ignition condition. The fuel supply to remaining cylinders of the plurality of cylinders is increased, to maintain a constant power output of the gas or dual fuel engine. The method further includes adjusting an amount of air supplied to each of the plurality of cylinders based on the increased amount of fuel supplied to the remaining cylinders, to maintain an air-to-fuel ratio within a desired range.

    摘要翻译： 一种操作具有多个气缸的气体或双燃料发动机的方法，包括在气体或双燃料发动机的操作期间监测多个气缸中的每一个的特性。 该方法还包括基于所监测的特性来检测与多个气缸中的一个或多个气缸相关联的预点火状态。 该方法还包括减少具有预燃条件的一个或多个气缸的燃料供给。 增加了对多个气缸的剩余气缸的燃料供应，以保持气体或双燃料发动机的恒定功率输出。 该方法还包括基于提供给剩余气缸的燃料量的增加来调节供应到多个气缸中的每一个的空气量，以将空气燃料比保持在期望的范围内。