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    • 1. 发明公开
    • Combustion timing prediction method and apparatus for compression ignition internal combustion engine
    • 用于压燃式内燃机的燃烧时间预测方法和设备
    • EP2312142A3
    • 2017-08-02
    • EP10186426.2
    • 2010-10-04
    • Cosmo Oil Co., Ltd.Mazda Motor Corporation
    • Tanaka, ShigeyukiKusaka, JinYouso, TakashiYamakawa, Masahisa
    • F02D35/02F02D41/30
    • F02D13/0207F02B1/12F02D13/0265F02D19/0636F02D19/0649F02D35/023F02D35/026F02D35/028F02D41/3035F02D2041/1433F02D2200/0611F02D2200/0612F02M26/01Y02T10/18Y02T10/36
    • A combustion timing prediction method for a compression self-ignition internal combustion engine includes the steps of: specifying types of a plurality of hydrocarbon components contained in a hydrocarbon fuel and proportions of the respective types in the hydrocarbon fuel; calculating, on the basis of a temperature in a combustion chamber of the internal combustion engine, a value of a first function serving as a function of the temperature for each of the types; calculating, on the basis of the proportion and the first function relating to each of the types, a value of a second function, which is a function that increases in value in response to an increase of the value of the first function and/or the proportion, for each of the types; integrating the values of the second function relating to the respective types; and predicting, on the basis of the integrated value of the values of the second function, the combustion timing of the hydrocarbon fuel in the internal combustion engine to be steadily later as the integrated value increases. As a result, the combustion timing of the hydrocarbon fuel in the compression self-ignition internal combustion engine can be predicted with maximum accuracy.
    • 一种用于压缩自点火内燃机的燃烧时间预测方法,包括以下步骤:指定包含在碳氢燃料中的多种烃组分的类型和碳氢燃料中各种类型的比例; 基于内燃机的燃烧室中的温度计算作为每种类型的温度的函数的第一函数的值; 基于与每种类型相关的比例和第一函数来计算第二函数的值,该第二函数的值是响应于第一函数和/或第二函数的值的增加而增加的函数 比例,每种类型; 整合与相应类型相关的第二功能的值; 并且基于第二函数的值的积分值来预测随着积分值增加,内燃机中的碳氢燃料的燃烧正时稳定地晚些。 结果,能够以最高精度预测压缩自点火式内燃机中的碳氢燃料的燃烧正时。
    • 5. 发明公开
    • Internal combustion engine and control method therefor
    • Verbrennungsmotor und Steuerverfahrendafür
    • EP2138683A1
    • 2009-12-30
    • EP09007721.5
    • 2009-06-10
    • Mazda Motor Corporation
    • Fujikawa, TatsuyaYamakawa, MasahisaNishimoto, ToshiakiYamamoto, Ryo
    • F02B23/10
    • F02B23/104F02B31/04F02B2023/085F02B2023/108Y02T10/125
    • An internal combustion engine is described herein. The engine may include a combustion chamber having a pair of intake ports arranged at one side, and an exhaust port arranged at the other side. The engine may also include a fuel injector configured to inject fuel into said combustion chamber from a side of said intake ports toward a side of said exhaust port, a variable flow restrictor capable of making flow resistance of said second intake port greater than flow resistance of said first intake port, a first spark plug arranged on a ceiling of the chamber and having its spark gap in the proximity of a center portion of said ceiling, and a second spark plug arranged on said ceiling and having its spark gap which is positioned closer to said first intake port in the axial direction of said crankshaft than said first spark plug.
    • 这里描述了内燃机。 发动机可以包括具有设置在一侧的一对进气口的燃烧室和布置在另一侧的排气口。 发动机还可以包括燃料喷射器,该燃料喷射器被配置为从所述进气口侧朝向所述排气口的侧面将燃料喷射到所述燃烧室中,所述可变流量限制器能够使所述第二进气口的流动阻力大于流动阻力 所述第一进气口,布置在所述室的天花板上并且在所述天花板的中心部分附近具有火花隙的第一火花塞和布置在所述天花板上并具有位于更靠近的火花隙的第二火花塞 与所述第一火花塞相对于所述曲轴的轴向方向的所述第一进气口。
    • 9. 发明公开
    • Spark-ignition direct-injection engine
    • FremdgezündeteBrennkraftmaschine mit Direkt-Einspritzung
    • EP1517017A1
    • 2005-03-23
    • EP04022454.5
    • 2004-09-21
    • Mazda Motor Corporation
    • Aoki, OsamuFujimoto, HidefumiYamashita, HiroyukiSeto, MasatoshiYoshida, HiroyukiYamakawa, MasahisaAiga, ShoichiMatsuo, YoshitomoOhta, NoriyukiNou, YoshihisaKageyama, Akira
    • F02B23/10
    • F02B23/101F02B23/104F02B2023/103Y02T10/125
    • A spark-ignition direct-injection engine in which a fuel injector (18) injects fuel toward areas surrounding a spark plug (16) includes an ECU (50) serving as a fuel injection timing controller which sets a fuel injection point in a compression stroke when the engine is run by stratified charge combustion and in an intake stroke when the engine is run by homogeneous charge combustion. The fuel injector (18) has an electrode bottom-side spray hole of which axis is directed to an area immediately on the underside of an electrode of the spark plug (16) and a piston-side spray hole of which axis is directed to an area further on the underside of the area to which the axis of the electrode bottom-side spray hole is directed. The angle between the axes of the electrode bottom-side spray hole and the piston-side spray hole is larger than the spray angle of the fuel ejected from each of the two spray holes when the engine is run by the stratified charge combustion.
    • 一种燃料喷射器(18)向火花塞(16)周围的区域喷射燃料的火花点火直喷式发动机包括:作为燃料喷射正时控制器的ECU(50),该燃料喷射正时控制器将燃料喷射点设定在压缩冲程 当发动机通过分层充气燃烧运行时,并且当发动机通过均匀充气燃烧运行时在进气冲程中。 燃料喷射器(18)具有电极底侧喷射孔,该电极底侧喷射孔的轴线指向火花塞(16)的电极的下侧上的区域,并且活塞侧喷射孔的轴线指向 在电极底侧喷射孔的轴线所朝向的区域的下侧。 当发动机通过分层充气燃烧运行时,电极底侧喷射孔的轴线和活塞侧喷射孔之间的角度大于从两个喷射孔中的每一个喷出的燃料的喷射角度。