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    • 8. 发明申请
    • Fuel injection device, fuel injection control device, and control method of fuel injection device
    • 燃油喷射装置,燃料喷射控制装置以及燃料喷射装置的控制方法
    • US20070284456A1
    • 2007-12-13
    • US11802574
    • 2007-05-23
    • Tadao TsuchiyaManabu ShoujiTsukasa NaganumaYasuharu HouraiKenichi OmoriKazuhito KakimotoHidetaka Ozawa
    • Tadao TsuchiyaManabu ShoujiTsukasa NaganumaYasuharu HouraiKenichi OmoriKazuhito KakimotoHidetaka Ozawa
    • B05B3/04
    • F02M51/0603F02M51/0653F02M63/0063
    • To provide a fuel injection device for controlling a fuel injection valve including a solenoid and a magnetostrictive element to generate a drive force for driving the fuel injection valve, the fuel injection device including: a solenoid power source (31) for driving the solenoid, a solenoid drive circuit (10) adapted to control the electrification to the solenoid by the solenoid power source (31), a plurality of magnetostrictive element driving power sources (32, 33) for driving the magnetostrictive element, and a magnetostrictive element drive circuit (20) adapted to control the electrification to a magnetostrictive coil of the magnetostrictive element by the magnetostrictive element driving power sources. Since the plurality of the magnetostrictive element driving power sources can be respectively used when performing a valve-opening operation and when performing a valve-closing operation of the fuel injection valve of the fuel injection device, the opening/closing operation of the fuel injection valve of the fuel injection device can be properly performed.
    • 为了提供一种用于控制包括螺线管和磁致伸缩元件的燃料喷射阀的燃料喷射装置,以产生用于驱动燃料喷射阀的驱动力,该燃料喷射装置包括:用于驱动螺线管的螺线管电源(31) 螺线管驱动电路(10),其适于通过螺线管电源(31)控制对螺线管的通电,用于驱动磁致伸缩元件的多个磁致伸缩元件驱动电源(32,33)和磁致伸缩元件驱动电路(20 )适于通过磁致伸缩元件驱动电源来控制对磁致伸缩元件的磁致伸缩线圈的通电。 由于在进行开阀动作时以及在进行燃料喷射装置的燃料喷射阀的关闭动作时可以分别使用多个磁致伸缩元件驱动动力源,所以燃料喷射阀的开闭动作 的燃料喷射装置。