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    • 24. 发明申请
    • Diaphragm valve for the vacuum evacuation system
    • 隔膜阀用于真空抽气系统
    • US20060175573A1
    • 2006-08-10
    • US10546032
    • 2004-02-09
    • Tadahiro OhmiNobukazu IkedaMichio YamajlMasafumi KitanoAkihiro Morimoto
    • Tadahiro OhmiNobukazu IkedaMichio YamajlMasafumi KitanoAkihiro Morimoto
    • F16K1/00
    • F16K7/16F16K51/02
    • A diaphragm valve 1 is provided with a body 2 having a flow-in passage 6, a flow-out passage 7, and a valve seat 8 formed between the passages; a diaphragm 3 installed in the body 2 and permitted to rest on and move away from the valve seat 8; and a driving means 4 installed on the body 2 to allow the diaphragm 3 to rest on and move away from the valve seat 8, wherein synthetic resin films 5 of predetermined thickness are coated on fluid-contacting parts 25 of the afore-mentioned body 2 and diaphragm 3. A diaphragm valve in accordance with the present invention prevents corrosion of the valve members caused by accumulation and adherence of substances produced by thermal decomposition, and prevents clogging caused by substances produced, and prevents seat leakage when applied in the vacuum exhaust system of a semiconductor manufacturing facility.
    • 隔膜阀1设置有主体2,主体2具有形成在通道之间的流入通道6,流出通道7和阀座8; 隔膜3安装在主体2中并允许搁置在阀座8上并远离阀座8; 以及安装在主体2上的驱动装置4,以允许隔膜3搁置在阀座8上并远离阀座8,其中预定厚度的合成树脂膜5涂覆在上述主体2的流体接触部分25上 和隔膜3.根据本发明的隔膜阀防止由热分解产生的物质的积聚和粘附引起的阀构件的腐蚀,并且防止由所产生的物质引起的堵塞,并且当应用于真空排气系统时防止阀座泄漏 的半导体制造设施。
    • 28. 发明授权
    • Reactor for the generation of water
    • 反应堆生成水
    • US06180067B2
    • 2001-01-30
    • US09160188
    • 1998-09-25
    • Tadahiro OhmiKoji KawadaYoshikazu TanabeNobukazu IkedaAkihiro MorimotoYukio Minami
    • Tadahiro OhmiKoji KawadaYoshikazu TanabeNobukazu IkedaAkihiro MorimotoYukio Minami
    • B01J1500
    • B01J12/007C01B5/00
    • An improved reactor for generating water from hydrogen and oxygen which allows production of moisture at a high conversion rate exceeding 99 percent with the temperature kept under some 400° C. inside the reactor shell (1) and with the water vapor production being more than 1,000 sccm. One form of the reactor (FIG. 1) according to the invention is constructed with a closed cylinder divided into two compartments by an interior partition, a first reactor structural component (2) and a second reactor structural component (3), united to define a sealed interior space (1a). The sealed interior space (1a) of the reactor shell (1) is partitioned by a diffusion filter (10) into a first chamber (1b) provided with an inlet reflector unit (9) and a second chamber (1c) provided with an outlet reflector-diffuser unit (11). On the inside surface of the second reactor structural component (1c) is formed a platinum coated catalyst layer (13). The inlet reflector unit (9) comprises a cylindrical casing (9a) mounted over a starting material gas feed port (2c) on the inside surface of the first reactor structural component (2), side openings (9c) formed in the casing (9a) and a reflector (9b) closing the open end of the casing (9a). The outlet reflector-diffuser unit (11) has a cylindrical casing (11a) fixed over a water vapor gas outlet port (3c) on the inside surface of the second reactor structural component (3), side openings (11e) formed in the casing, a reflector (11b) closing the open end of the casing (11a), an outlet diffusion filter (11c) provided inside the casing (11a) and a platinum coated catalyst layer (11d) formed on the outlet diffusion filter (11c).
    • 一种用于从氢气和氧气产生水的改进的反应器,其允许在反应器壳(1)内保持在约400℃的温度下以高转化率生产超过99%的水分,并且水蒸汽产生量大于1,000 sccm。 根据本发明的反应器(图1)的一种形式被构造成具有通过内部分隔件分成两个隔间的封闭圆筒,第一反应器结构部件(2)和第二反应器结构部件(3),所述第一反应器结构部件(2)和第二反应器结构部件 密封的内部空间(1a)。 反应器壳体(1)的密封内部空间(1a)被扩散过滤器(10)分隔成具有入口反射器单元(9)的第一室(1b)和设置有出口 反射器 - 扩散器单元(11)。 在第二反应器结构部件(1c)的内表面上形成有镀铂催化剂层(13)。 入口反射器单元(9)包括安装在第一反应器结构部件(2)的内表面上的原料气体供给口(2c)上的圆柱形壳体(9a),形成在壳体(9a)中的侧开口(9c) )和闭合壳体(9a)的开口端的反射器(9b)。 出口反射器 - 扩散器单元(11)具有固定在第二反应器结构部件(3)的内表面上的水蒸汽气体出口(3c)上的圆筒形壳体(11a),形成在壳体中的侧开口(11e) ,封闭壳体(11a)的开口端的反射器(11b),设置在壳体(11a)内部的出口扩散过滤器(11c)和形成在出口扩散过滤器(11c)上的镀铂催化剂层(11d) 意大利
    • 29. 发明授权
    • Pressure type flow rate control apparatus
    • 压力式流量控制装置
    • US5816285A
    • 1998-10-06
    • US907951
    • 1997-08-11
    • Tadahiro OhmiKoji NishinoNobukazu IkedaAkihiro MorimotoYukio MinamiKoji KawadaRyosuke DohiHiroyuki Fukuda
    • Tadahiro OhmiKoji NishinoNobukazu IkedaAkihiro MorimotoYukio MinamiKoji KawadaRyosuke DohiHiroyuki Fukuda
    • G05D7/06G05D16/20F16K31/12
    • G05D7/0635Y10T137/7759Y10T137/7761
    • A pressure type flow rate control apparatus (1) controls flow rate of a fluid in an environment where a ratio of P2/P1 between an absolute pressure P1 at an upstream side of an orifice and an absolute pressure P2 at a downstream side of the orifice is maintained at a value less than about 0.7. The apparatus comprises: a plate for forming the orifice (5); a control valve (2) positioned upstream of the orifice; an orifice corresponding valve (9) positioned downstream of the orifice (5); a primary pressure detector (3) positioned between the control valve (2) and the orifice (5); a secondary pressure detector (11) positioned downstream of the orifice (5); a calculation control device (6) for calculating flow rate Qc on the basis of the measured pressure P1 of the primary pressure detector (3) by a formula Qc=KP1 (K being a constant) and for outputting as a control signal Qy a difference between a flow rate command signal Qs and the calculated flow rate signal Qc to a drive unit (14) of the control valve 2; and a pressure comparing, calculating apparatus (10) for calculating the ratio of P2/P1 between the detected pressure P1 of the primary pressure detector (3) and the detected pressure P2 of the secondary pressure detector (11). The pressure P1 upstream of the orifice is adjusted by opening and closing the control valve by the control signal Qy, thereby controlling the flow rate downstream of the orifice.
    • 压力式流量控制装置(1)控制在孔口上游侧的绝对压力P1和孔口下游侧的绝对压力P2之间的P2 / P1的比例的环境中的流体流量 保持在小于约0.7的值。 该装置包括:用于形成孔口(5)的板; 位于孔口上游的控制阀(2); 位于孔口(5)下游的孔对应阀(9); 位于控制阀(2)和孔(5)之间的主要压力检测器(3); 位于孔口(5)下游的二次压力检测器(11); 计算控制装置(6),用于通过公式Qc = KP1(K为常数)计算基于所测量的主压力检测器(3)的压力P1的流量Qc,并且作为控制信号Qy输出差 在流量指令信号Qs和计算出的流量信号Qc之间,与控制阀2的驱动单元(14)之间; 以及压力比较计算装置(10),用于计算一次压力检测器(3)的检测压力P1与二次压力检测器(11)的检测压力P2之间的P2 / P1的比。 通过控制信号Qy打开和关闭控制阀来调节孔口上游的压力P1,从而控制孔口下游的流速。