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    • 1. 发明授权
    • Knocking control system for internal combustion engines
    • 内燃机爆震控制系统
    • US4960094A
    • 1990-10-02
    • US419575
    • 1989-10-10
    • Yuzuru KoikeYukio MiyashitaYoshiaki AkimotoYasunari SekiIsao Yahata
    • Yuzuru KoikeYukio MiyashitaYoshiaki AkimotoYasunari SekiIsao Yahata
    • F02D13/02F02D41/34F02P5/152
    • F02D13/0203F02D35/027F02D41/345F02P5/152F02B2275/18F02D2041/001Y02T10/18Y02T10/44Y02T10/46
    • A knocking control system for an internal combustion engine with inlet valves and exhaust valves having valve timing thereof controlled depending on operating conditions of the engine. It is determined whether or not knocking has occurred in the engine on the basis of a detection parameter indicative of knocking and at least one discrimination parameter. The operation of the engine is controlled by the use of at least one control parameter in response to the determination result, so as to eleminate knocking. The values of the discrimination and control parameters are selected in accordance with the actual valve timing. When abnormality in the valve timing control is detected, the valve timing is held at predetermined valve timing irrespective of engine operating conditions, and values of the at least one discriminating parameter and the at least one control parameter are selected, which correspond to the held predetermined valve timing. Alternatively, when abnormality in the valve timing control is detected, the above control of the engine operation is inhibited.
    • 具有入口阀和排气阀的内燃机的爆震控制系统,其具有根据发动机的运行条件控制其气门正时。 基于指示爆震的检测参数和至少一个判别参数来确定发动机中是否发生了爆震。 通过响应于确定结果使用至少一个控制参数来控制发动机的操作,以便敲击。 鉴别和控制参数的值根据实际气门正时选择。 当检测到气门正时控制中的异常时,不管发动机工作条件如何,都将气门正时保持在预定的阀定时,并且选择至少一个鉴别参数和至少一个控制参数的值,这些值对应于所保持的预定 气门正时。 或者,当检测到气门正时控制的异常时,禁止上述的发动机运转控制。