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    • 73. 发明授权
    • Method and apparatus for detection of orifice clogging in pressure-type flow rate controllers
    • 用于检测压力型流量控制器孔堵塞的方法和装置
    • US06302130B1
    • 2001-10-16
    • US09529985
    • 2000-07-18
    • Tadahiro OhmiSeiichi IidaSatoshi KagatsumeJun HiroseKouji NishinoNobukazu IkedaMichio YamajiRyousuke DohiKazuhiro YoshikawaMutsunori KoyomogiTomio UnoEiji IdetaTakashi Hirose
    • Tadahiro OhmiSeiichi IidaSatoshi KagatsumeJun HiroseKouji NishinoNobukazu IkedaMichio YamajiRyousuke DohiKazuhiro YoshikawaMutsunori KoyomogiTomio UnoEiji IdetaTakashi Hirose
    • F17D116
    • G05D7/0635Y10T137/0396Y10T137/7759Y10T137/7761Y10T137/8326
    • A method and apparatus for detection of clogging of an orifice by measuring the upstream side pressure without breaking up the piping system in a flow rate control unit using an orifice, so as to extend the life of the flow rate control unit and enhance its safety. The apparatus of detecting clogging of an orifice in a pressure-type flow rate controller has a control valve (CV), an orifice (2), a pressure detector (14) for measuring the upstream pressure P1 therebetween, and a flow rate setting circuit (32) wherein, with the upstream pressure P1 maintained about two or more times higher than the downstream pressure P2, the downstream flow rate QC is calculated with the equation QC=KP1 (K=constant) and wherein the control valve (CV) is controlled by the difference signal QY between the calculated flow rate QC and the set flow rate QS. The apparatus comprises: a storage memory M memorizing standard pressure attenuation data Y(t) of the upstream pressure P1 measured with the flow rate switched from the high set flow rate QSH to the low set flow rate QSL with the orifice (2) not clogged, a pressure detector (14) for determination of the pressure attenuation data P(t) of the upstream pressure P1 with the flow rate switched from the high set flow rate QSH to the low set flow rate QSL with the orifice (2) in the actual conditions, a central processing unit CPU for checking the pressure attenuation data P(t) against standard pressure attenuation data Y(t), and an alarm circuit (46) that turns on a clogging alarm when the pressure attenuation data P(t) deviates from standard pressure attenuation data Y(t) to a specific degree or beyond that.
    • 一种用于通过测量上游侧压力而不破坏使用孔口的流量控制单元中的管道系统来检测孔口堵塞的方法和装置,以延长流量控制单元的寿命并提高其安全性。 检测压力型流量控制器中的孔口堵塞的装置具有控制阀(CV),用于测量其上游压力P1的孔口(2),压力检测器(14)和流量设定电路 (32)其中,在上游压力P1保持大于下游压力P2的两倍或更多倍的情况下,下游流量QC用等式QC = KP1(K =常数)计算,并且其中控制阀(CV)为 由计算流量QC和设定流量QS之间的差分信号QY控制。 该装置包括:存储存储器M,存储以从高设定流量QSH切换到低设定流量QSL的流量测量的上游压力P1的标准压力衰减数据Y(t),其中孔口(2)没有堵塞 ,用于确定上游压力P1的压力衰减数据P(t)的压力检测器(14),其中流量从高设定流量QSH切换到具有孔口(2)的低设定流量QSL 实际情况是用于根据标准压力衰减数据Y(t)检测压力衰减数据P(t)的中央处理单元CPU以及当压力衰减数据P(t)偏离时引起堵塞报警的报​​警电路(46) 从标准压力衰减数据Y(t)到特定程度或以上。
    • 76. 发明授权
    • Cam control valve
    • 凸轮控制阀
    • US08833730B2
    • 2014-09-16
    • US13389671
    • 2010-11-05
    • Yohei SawadaRyousuke DohiKouji NishinoNobukazu Ikeda
    • Yohei SawadaRyousuke DohiKouji NishinoNobukazu Ikeda
    • F16K31/02F16K25/00F16K31/44F16K31/00H02K5/00F16K31/04F16K7/16F16K31/524
    • F16K7/16F16K31/047F16K31/52408
    • A cam control valve includes a valve casing having a fluid passage and valve seat, a valve disc seated on the valve seat to open and close the fluid passage, a valve stem holding down the valve disc so it contacts the valve seat, a cam acting on the valve stem to hold it down, a motor rotating the cam, a motor holder holding the motor, a supporting frame fixed to the valve casing and supporting the motor holder so it moves vertically, an elastic member biasing the motor holder towards spacing from an upper side portion of the supporting frame, and height adjustable screws suspending the motor holder from the supporting frame, and adjusting a height of the motor holder with respect to the supporting frame, wherein the height adjustable screws are slidably inserted into the upper side portion of the supporting frame and screwed into the motor holder.
    • 凸轮控制阀包括具有流体通道和阀座的阀壳体,阀座位于阀座上以打开和关闭流体通道;阀杆,其压紧阀盘,使其接触阀座;凸轮作用 在阀杆上保持下降,电动机旋转凸轮,保持电动机的电动机支架,固定在阀壳体上的支撑框架,并支撑电动机支架使其垂直移动;弹性构件,将电动机支架偏压 支撑框架的上侧部分和高度可调节的螺钉,使马达夹持器从支撑框架上悬挂起来,并且相对于支撑框架调节马达夹持器的高度,其中高度可调节螺钉可滑动地插入到上侧部分 的支撑框架并拧入电机支架。
    • 80. 发明申请
    • MIXED GAS SUPPLY APPARATUS
    • 混合气体供应装置
    • US20130025718A1
    • 2013-01-31
    • US13520824
    • 2010-10-22
    • Masaaki NagaseRyousuke DohiKouji NishinoNobukazu Ikeda
    • Masaaki NagaseRyousuke DohiKouji NishinoNobukazu Ikeda
    • F17D1/00
    • B01J4/02G05D11/132H01L21/67017Y10T137/87249
    • A mixed gas supply device includes a plurality of gas supply lines arranged in parallel that include flow rate control devices and outlet side switching valves, wherein gas outlets of respective outlet side switching valves communicate with a manifold, and another gas supply line at a position close to a mixed gas outlet of the manifold supplies a low flow rate gas, wherein an outlet side of the flow rate control device and an inlet side of the outlet side switching valve are hermetically connected via an outlet side connecting fitting of the flow rate control device and a mounting table having a gas passage, wherein a small hole portion is provided at a part of a flow passage at the outlet side connecting fitting and/or a flow passage, which makes the outlet side switching valve and a mixed gas flow passage in the manifold communicate with one another.
    • 混合气体供给装置包括并列布置的多个气体供给管线,包括流量控制装置和出口侧切换阀,其中各个出口侧切换阀的气体出口与歧管连通,另一个气体供给管线位于关闭位置 到歧管的混合气体出口供给低流量气体,其中流量控制装置的出口侧和出口侧切换阀的入口侧经由流量控制装置的出口侧连接配件气密地连接 以及具有气体通道的安装台,其中在出口侧连接配件和/或流路的流路的一部分处设置有小孔部,其使出口侧切换阀和混合气体流路成为 歧管彼此通信。