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    • 2. 发明授权
    • Accumulator fuel injection device
    • 蓄能器燃油喷射装置
    • US5803369A
    • 1998-09-08
    • US686774
    • 1996-07-26
    • Tatsuya ToyaoShuichi MatsumotoMasashi MurakamiYukihisa ArakomaMasatoshi Kuroyanagi
    • Tatsuya ToyaoShuichi MatsumotoMasashi MurakamiYukihisa ArakomaMasatoshi Kuroyanagi
    • F02M47/00F02M47/02F02M59/46F02M51/02
    • F02M47/027F02M63/0017F02M63/0036F02M63/0073
    • In an accumulator fuel injection device, a valve member of a solenoid valve includes a shaft and a spherical member. The spherical member is slidably supported at the tip portion of the shaft. The spherical member is prevented from falling off by caulking the tip of the shaft. A flat plate working as a valve seat for the spherical member is provided so that the spherical member allows communication between a pressure control chamber and a low-pressure side when separated from the flat plate, while prohibiting the communication therebetween when seated on the flat plate. On the other hand, the flat plate is formed with fuel relief passages in a tight contact region between the flat plate and the spherical member. The fuel relief passages communicate with the low-pressure side even when the spherical member is seated on the flat plate. Thus, a hydraulic force applied to the spherical member in a solenoid valve opening direction when the spherical member is seated on the flat plate, is rendered smaller. Accordingly, a biasing force of a spring urging the valve member in a solenoid valve closing direction can be set smaller, and thus, a magnetic force of the solenoid valve for lifting the valve member against the biasing force of the spring can also be set smaller. The fuel relief passages may be provided on the spherical member.
    • 在蓄能器燃料喷射装置中,电磁阀的阀构件包括轴和球形构件。 球形构件可滑动地支撑在轴的尖端部分。 通过铆接轴的尖端防止球形部件脱落。 设置作为球形部件的阀座工作的平板,使得当与平板分离时,球形部件允许压力控制室和低压侧之间的连通,同时在坐在平板上时禁止其间的连通 。 另一方面,平板在平板与球形构件之间的紧密接触区域中形成有燃料排出通道。 即使当球形构件安置在平板上时,燃料消除通道与低压侧连通。 因此,当球形构件安置在平板上时,以电磁阀打开方向施加到球形构件的液压力变小。 因此,可以将推动阀构件的电磁阀关闭方向的弹簧的偏置力设定得较小,因此也可以将抵抗弹簧的偏压力提升阀构件的电磁阀的磁力设定得较小 。 燃料消除通道可以设置在球形构件上。
    • 3. 发明授权
    • Accumulator fuel injection apparatus for internal combustion engine
    • 内燃机蓄能燃油喷射装置
    • US6027037A
    • 2000-02-22
    • US975397
    • 1997-11-20
    • Masashi MurakamiTetsuya ToyaoShuichi Matsumoto
    • Masashi MurakamiTetsuya ToyaoShuichi Matsumoto
    • F02B3/06F02D41/38F02M47/02F02M55/00
    • F02D41/3827F02D41/3836F02M47/027F02B3/06F02M2547/003F02M55/002
    • An accumulator fuel injection apparatus for an internal combustion engine is provided which includes a solenoid-operated fuel injector. The fuel injector includes a solenoid valve and a needle valve. The solenoid valve establishes and blocks fluid communication between a pressure control chamber supplied with fuel pressure from a fuel inlet and a drain passage formed in a valve body to change fuel pressure within the pressure control chamber, thereby bringing the needle valve into engagement with and disengagement from a spray hole. The fuel injector also has a first orifice disc and a second orifice disc installed within the valve body. The first orifice disc has formed therein a first orifice which provides a first flow resistance to fuel flowing from the fuel inlet into the pressure control chamber. Similarly, the second orifice disc has formed therein a second orifice which provides a second flow resistance smaller than the first flow resistance to the fuel flowing out of the pressure control chamber into the drain passage. The second orifice disc is disposed on the first orifice disc so that thicknesswise directions thereof coincide with each other.
    • 提供一种用于内燃机的蓄能器燃料喷射装置,其包括电磁操作的燃料喷射器。 燃料喷射器包括电磁阀和针阀。 电磁阀建立并阻止在供应有来自燃料入口的燃料压力的压力控制室和形成在阀体中的排放通道之间的流体连通,以改变压力控制室内的燃料压力,从而使针阀与接合和分离 从喷孔。 燃料喷射器还具有安装在阀体内的第一孔盘和第二孔盘。 第一孔板在其中形成有第一孔口,其向从燃料入口流入压力控制室的燃料提供第一流动阻力。 类似地,第二孔盘在其中形成有第二孔口,其向从压力控制室流出到排出通道中的燃料提供小于第一流动阻力的第二流动阻力。 第二孔盘设置在第一孔盘上,使得其厚度方向彼此一致。
    • 9. 发明申请
    • SOLID-STATE IMAGING DEVICE AND ITS DRIVING METHOD
    • 固态成像装置及其驱动方法
    • US20090066825A1
    • 2009-03-12
    • US11718556
    • 2006-02-27
    • Shinsuke NezakiMasashi Murakami
    • Shinsuke NezakiMasashi Murakami
    • H04N5/335
    • H04N5/3597H01L27/14609H04N5/353H04N5/374
    • A driving method is used in a solid-state imaging device including a plurality of pixel circuits which are arranged in rows and columns, and each of which has a photoelectric conversion unit and a charge accumulation unit and receives a common power source. The driving method includes steps of: reading out, to the outside of the pixel circuit, a photocharge generated at a photoelectric conversion unit in a pixel circuit in a readout row, after resetting a potential of the charge accumulation unit in the pixel circuit to a potential of the common power source while supplying a bias current to the pixel circuit for readout, the photocharge being transferred to the charge accumulation unit as a signal charge; discharging a photocharge generated at a photoelectric conversion unit in a pixel circuit in a discharge row that is to be a readout row later, after resetting a potential of a charge accumulation unit in the pixel circuit to a potential of the common power source, the photocharge being transferred to the charge accumulation unit as an unnecessary charge; and uniformizing a potential of the charge accumulation unit to be reset in the discharging in the case where the discharging is executed following the reading out and in the case where the discharging is executed independently
    • 驱动方法用于包括排列成行和列的多个像素电路的固态成像装置,并且每个具有光电转换单元和电荷累积单元并接收公共电源。 该驱动方法包括以下步骤:在将像素电路中的电荷累积单元的电位复位到像素电路中之后,向像素电路外部读出在读出行中的像素电路中的光电转换单元处产生的光电荷 同时向像素电路提供偏置电流用于读出,共同电源的电位,光电荷作为信号电荷被传送到电荷累积单元; 在将像素电路中的电荷累积单元的电位复位为公共电源的电位之后,在稍后将读出行的放电行中的像素电路中的光电转换单元处产生的光电荷放电到公共电源的电位, 作为不必要的费用被转移到电荷累积单元; 并且在读出之后执行放电的情况下以及在独立地执行放电的情况下,在放电中使电荷累积单元的电位均匀化