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    • 7. 发明公开
    • High pressure fuel pump control apparatus for internal combustion engine
    • Steuergerätfüreine Hochdruckkraftstoffpumpefüreinen Verbrennungsmotor
    • EP2169203A1
    • 2010-03-31
    • EP09166836.8
    • 2009-07-30
    • Hitachi Automotive Systems Ltd.
    • Toyohara, MasahiroKondo, KazunoriOkubo, SatoruOkamoto, Takashi
    • F02D41/38F02D13/02
    • F02D41/3845F02D41/009F02D41/222F02M59/366F02M59/367
    • There is provided a high pressure fuel pump control system for an internal combustion engine (507) which enables fuel pressure control with high precision without being restricted by the number of cylinders (507b) of the internal combustion engine or the number of phase sensor signals and the number of cam noses which vertically drives a plunger (2) of a high pressure fuel pump (1) even when a camshaft phase varies by a variable valve timing mechanism by using the high pressure fuel pump with a solenoid valve (8). The control system has a means which changes an effective stroke by driving the solenoid valve (8) in the high pressure fuel pump (1), and has a means which changes the drive timing of the high pressure fuel pump (1) based on a cylinder recognition value of the internal combustion engine with the cam angle detecting means as an origin.
    • 提供了一种用于内燃机(507)的高压燃料泵控制系统,其能够高精度地进行燃料压力控制,而不受内燃机的气缸数(507b)或相位传感器信号的数量的限制, 即使当通过使用具有电磁阀(8)的高压燃料泵使凸轮轴相位变化时,垂直驱动高压燃料泵(1)的柱塞(2)的凸轮凸轮的数量。 控制系统具有通过驱动高压燃料泵(1)中的电磁阀(8)来改变有效冲程的装置,并且具有基于一个或多个驱动装置改变高压燃料泵(1)的驱动正时的装置 以凸轮角度检测装置为起点的内燃机的气缸识别值。
    • 9. 发明公开
    • Control apparatus for internal combustion engine
    • 内燃机的控制装置
    • EP2317102A3
    • 2012-09-19
    • EP10173068.7
    • 2010-08-17
    • Hitachi Automotive Systems, Ltd.
    • Toyohara, MasahiroOkamoto, TakashiOhisa, TomohiroIshii, Yoshikazu
    • F02D41/14F02D41/00F02D41/20F02D41/40
    • F02D41/20F02D41/40F02D2041/2003F02D2041/2017F02D2200/0602Y02T10/44
    • A fuel injection control apparatus for an internal combustion engine which can inject a fuel injection quantity to a fuel injector with accuracy even when the fuel injection quantity is reduced than before is provided. A fuel injection control apparatus of a direct cylinder injection type of internal combustion engine, including a fuel injector which performs fuel injection by supplying a drive current to a solenoid, a fuel pressure sensor which detects fuel pressure supplied to the fuel injector, and operation state detecting means which detects the operation state of the internal combustion engine, comprises current profile changing means 100 which has multiple current profiles of the drive current and changes current profiles based on the operation state and the fuel pressure, valid pulse width calculating means 701 which calculates a valid pulse width for opening and driving the fuel injector, invalid pulse width calculating means 103 which calculates an invalid pulse width, and fuel injector control means which calculates a fuel injection pulse width based on the valid pulse width and the invalid pulse width, and controls the fuel injector based on the fuel injection pulse width, wherein the invalid pulse width calculating means 103 calculates an invalid pulse width corresponding to the current profiles to be changed before the current profiles are changed.
    • 本发明提供一种内燃机的燃料喷射控制装置,即使在燃料喷射量比以往减少的情况下,也能够高精度地向燃料喷射阀喷射燃料喷射量。 一种直接气缸喷射式内燃机的燃料喷射控制装置,其包括通过向螺线管供给驱动电流来执行燃料喷射的燃料喷射器,检测供给到燃料喷射器的燃料压力的燃料压力传感器以及工作状态 检测内燃机的运行状态的检测装置包括电流分布变化装置100,该电流分布变化装置具有多个驱动电流的电流分布并基于操作状态和燃料压力改变电流分布;有效脉冲宽度计算装置701, 用于打开和驱动燃料喷射器的有效脉冲宽度,计算无效脉冲宽度的无效脉冲宽度计算装置103和基于有效脉冲宽度和无效脉冲宽度计算燃料喷射脉冲宽度的燃料喷射器控制装置,以及 基于燃料喷射脉冲宽度来控制燃料喷射器,其中, 脉冲宽度计算装置103计算与当前分布改变之前要改变的当前分布对应的无效脉冲宽度。
    • 10. 发明公开
    • Control apparatus for internal combustion engine
    • Steuervorrichtungfüreinen Verbrennungsmotor
    • EP2317102A2
    • 2011-05-04
    • EP10173068.7
    • 2010-08-17
    • Hitachi Automotive Systems, Ltd.
    • Toyohara, MasahiroOkamoto, TakashiOhisa, TomohiroIshii, Yoshikazu
    • F02D41/14F02D41/00F02D41/20F02D41/40
    • F02D41/20F02D41/40F02D2041/2003F02D2041/2017F02D2200/0602Y02T10/44
    • A fuel injection control apparatus for an internal combustion engine which can inject a fuel injection quantity to a fuel injector with accuracy even when the fuel injection quantity is reduced than before is provided. A fuel injection control apparatus of a direct cylinder injection type of internal combustion engine, including a fuel injector which performs fuel injection by supplying a drive current to a solenoid, a fuel pressure sensor which detects fuel pressure supplied to the fuel injector, and operation state detecting means which detects the operation state of the internal combustion engine, comprises current profile changing means 100 which has multiple current profiles of the drive current and changes current profiles based on the operation state and the fuel pressure, valid pulse width calculating means 701 which calculates a valid pulse width for opening and driving the fuel injector, invalid pulse width calculating means 103 which calculates an invalid pulse width, and fuel injector control means which calculates a fuel injection pulse width based on the valid pulse width and the invalid pulse width, and controls the fuel injector based on the fuel injection pulse width, wherein the invalid pulse width calculating means 103 calculates an invalid pulse width corresponding to the current profiles to be changed before the current profiles are changed.
    • 提供一种用于内燃机的燃料喷射控制装置,其能够即使当燃料喷射量比以前减少时也能够将准确地喷射燃料喷射量的燃料喷射量精确地喷射到燃料喷射器。 一种直列式喷射式内燃机的燃料喷射控制装置,包括通过向螺线管供给驱动电流进行燃料喷射的燃料喷射器,检测供给到燃料喷射器的燃料压力的燃料压力传感器和运转状态 检测内燃机的运转状态的检测装置包括电流轮廓改变装置100,其具有驱动电流的多个电流分布并且基于运行状态和燃料压力改变电流分布,有效脉冲宽度计算装置701计算 用于打开和驱动燃料喷射器的有效脉冲宽度,计算无效脉冲宽度的无效脉冲宽度计算装置103以及基于有效脉冲宽度和无效脉冲宽度计算燃料喷射脉冲宽度的燃料喷射器控制装置,以及 基于燃料喷射脉冲宽度来控制燃料喷射器,其中, 同步脉冲宽度计算装置103在当前轮廓改变之前计算与要改变的当前轮廓对应的无效脉冲宽度。