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    • 5. 发明申请
    • METHOD AND SYSTEM FOR ESTIMATING AND REDUCING ENGINE AUTO-IGNITION AND KNOCK
    • 用于估计和减少发动机自动点火和闭锁的方法和系统
    • US20110077846A1
    • 2011-03-31
    • US12567093
    • 2009-09-25
    • Jose C. Zavala JuradoCharles H. FolkertsKarl T. Kiebel
    • Jose C. Zavala JuradoCharles H. FolkertsKarl T. Kiebel
    • G06F19/00
    • F02D41/3041F02D35/023F02D35/027
    • A control system for an engine includes a heat-release rate (HRR) module, a first filter module, a second filter module, an auto-ignition energy determination module, and a corrective action module. The HRR module generates an HRR signal based on in-cylinder pressures of a cylinder of the engine. The first filter module generates a first filtered HRR signal indicative of a first HRR due to combustion in the cylinder by filtering the HRR signal. The second filter module generates a second filtered HRR signal indicative of a second HRR due to auto-ignition in the cylinder by filtering one of the HRR signal and the first filtered HRR signal. The auto-ignition energy determination module determines an auto-ignition energy of the cylinder based on the first and second filtered HRR signals. The corrective action module selectively adjusts auto-ignition of the engine based on the auto-ignition energy. A related method is also provided.
    • 用于发动机的控制系统包括散热率(HRR)模块,第一过滤器模块,第二过滤器模块,自动点火能量确定模块和校正动作模块。 HRR模块基于发动机气缸的缸内压力产生HRR信号。 第一过滤器模块通过对HRR信号进行过滤而产生由于气缸中的燃烧而指示第一HRR的第一过滤HRR信号。 第二滤波器模块通过对HRR信号和第一滤波HRR信号中的一个进行滤波,产生指示由于气缸中的自动点火引起的第二HRR的第二滤波HRR信号。 自动点火能量确定模块基于第一和第二滤波HRR信号来确定气缸的自动点火能量。 校正动作模块基于自动点火能量选择性地调节发动机的自动点火。 还提供了相关的方法。
    • 9. 发明授权
    • Retractable engine igniter
    • 伸缩式发动机点火器
    • US4397273A
    • 1983-08-09
    • US255802
    • 1981-04-20
    • Charles H. Folkerts
    • Charles H. Folkerts
    • F02B3/06F23Q7/00F02P19/02
    • F23Q7/001F02B3/06
    • An igniter, such as a glow plug for diesel engines, is arranged to be extended into a combustion chamber of an associated engine when needed to aid starting and ignition. It is retracted from the combustion chamber when starting aid is no longer required in order to reduce interference with gas flow in the combustion chamber and the formation of particulates in the combustion process. Various powered arrangements are disclosed for retracting and extending the glow plug during engine operation using energy sources such as combustion chamber pressure and engine temperature which are obtained separately from an engine accessory power system.
    • 诸如用于柴油发动机的电热塞的点火器被布置成在需要时延伸到相关发动机的燃烧室中以帮助起动和点火。 为了减少对燃烧室中的气体流动的干扰和燃烧过程中的微粒的形成,当不再需要启动辅助装置时,它从燃烧室缩回。 公开了各种动力装置,用于在发动机操作期间使用与发动机附件动力系统分开获得的能量源(例如燃烧室压力和发动机温度)缩回和延伸电热塞。