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    • 4. 发明申请
    • Reservoir built-in type actuator
    • 水箱内置式执行机构
    • US20070209357A1
    • 2007-09-13
    • US11717306
    • 2007-03-12
    • Tetsuji SatoMasahito Kamada
    • Tetsuji SatoMasahito Kamada
    • F16D31/02
    • F15B15/1466B64C13/504F15B1/265F15B7/006
    • A stand pipe is disposed so as to be fitted with the inner periphery surface of a piston rod with a hollow structure and a reservoir is incorporated into the inside of the stand pipe, whereby it becomes possible to reduce the size of an EHA device. Besides, since the reservoir is separated from both an annulus-side oil chamber and a bore-side oil chamber, a stable reservoir performance can be exhibited without being influenced by a fluid pressure resulting from an external force. Moreover, as a result of installation of the stand pipe, a difference between the amount of fluid required per unit stroke in the annulus-side oil chamber and that in the bore-side oil chamber becomes smaller, so that the required volume of the reservoir oil chamber can be reduced and it is possible to constitute an efficient EHA device with little difference between the energy consumption during compressing and that during extending. Consequently, it is possible to provide a reservoir built-in type actuator capable of exhibiting a stable performance without being influenced by an external force acting on the actuator and capable of attaining the reduction in size of the entire EHA device.
    • 立管设置成与具有中空结构的活塞杆的内周面配合,并且将储存器结合到立管的内部,从而可以减小EHA装置的尺寸。 此外,由于储存器与环空侧油室和孔侧油室分离,所以可以显示稳定的储存性能,而不受外力所致的流体压力的影响。 此外,由于安装立管,环形侧油室与孔侧油室的每单位行程所需的流体量之间的差异变小,所以容器的所需体积 可以减少油室,并且可以构成在压缩期间和延伸期间的能量消耗之间几乎没有差异的有效的EHA装置。 因此,可以提供能够显示稳定性能而不受作用在致动器上的外力的影响并且能够实现整个EHA装置的尺寸减小的储液器内置式致动器。
    • 7. 发明授权
    • Plasma processing apparatus and the upper electrode unit
    • 等离子体处理装置和上电极单元
    • US08083891B2
    • 2011-12-27
    • US12894803
    • 2010-09-30
    • Tetsuji Sato
    • Tetsuji Sato
    • H01L21/3065C23C16/00C23C16/455C23C16/50
    • H01L21/67069H01J37/3244
    • In a plasma processing apparatus that executes plasma processing on a semiconductor wafer placed inside a processing chamber by generating plasma with a processing gas supplied through a gas supply hole at an upper electrode (shower head) disposed inside the processing chamber, an interchangeable insert member is inserted at a gas passing hole at a gas supply unit to prevent entry of charged particles in the plasma generated in the processing chamber into the gas supply unit. This structure makes it possible to fully prevent the entry of charged particles in the plasma generated inside the processing chamber into the gas supply unit.
    • 在等离子体处理装置中,通过利用设置在处理室内的上部电极(喷淋头)上的供气孔供给的处理气体,产生等离子体,对位于处理室内部的半导体晶片进行等离子体处理,可互换插入部件 插入在气体供给单元处的气体通过孔处,以防止在处理室中产生的等离子体中的带电粒子进入气体供应单元。 这种结构使得可以完全防止在处理室内产生的等离子体中的带电粒子进入气体供应单元。
    • 10. 发明授权
    • Method and device for measuring fuel injection timing
    • 测量燃油喷射正时的方法和装置
    • US5767396A
    • 1998-06-16
    • US814028
    • 1997-03-10
    • Ryuji OkamotoTetsuji SatoKazumi UmekiTakeshi TakahashiNaoyuki TsuzukiShunsuke YasunishiKoji KitanoTakashi Yamamoto
    • Ryuji OkamotoTetsuji SatoKazumi UmekiTakeshi TakahashiNaoyuki TsuzukiShunsuke YasunishiKoji KitanoTakashi Yamamoto
    • G01M15/04F02B1/04F02D41/04F02D41/34F02D41/40F02D45/00F02M65/00G01M15/00
    • F02D41/345F02B1/04Y02T10/44
    • An injection timing measuring method and device require a reduced amount of time for calculation. A reference position signal is generated at a predetermined crank angle within the range of 30.degree. CA to 90.degree. CA prior to TDC. Crank angle signals from a crank angle sensor are used as main measuring increments to measure a period starting from generation of the reference position signal and ending upon generation of an injection signal by a lift sensor provided in an injection valve unit, and another period starting from generation of the reference position signal and ending upon generation of a TDC signal. The injection timing relative to the TDC is provided as a difference between the two periods. Each period is precisely measured by counting crank angle signals generated within the period and by determining the remaining duration from the last-counted signal to generation of the injection or TDC signal as a fraction of the crank angle signal interval. Measurement of the injection period starts from an injection start time at which the level of the injection signal exceeds a criterion value, and ends upon an injection end time at which the level falls below the criterion value.
    • 注射定时测量方法和装置需要减少计算时间。 在TDC之前的30°C〜90°C的范围内,以规定的曲柄角产生基准位置信号。 来自曲柄角传感器的曲柄角信号用作主要的测量增量,以测量从基准位置信号的产生开始的周期,并且由设置在喷射阀单元中的提升传感器产生喷射信号结束,并且从 生成参考位置信号,并在TDC信号的产生结束时结束。 相对于TDC的喷射定时被提供为两个周期之间的差。 通过计算在该周期内产生的曲柄角信号并且通过确定从上次计数的信号到产生注射或TDC信号的剩余持续时间作为曲柄角信号间隔的一部分来精确地测量每个周期。 喷射期间的测量从喷射信号的水平超过标准值的喷射开始时刻开始,并且在水平低于标准值的喷射结束时间结束。