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    • 3. 发明申请
    • GAS DETECTION SENSOR
    • 气体检测传感器
    • WO0194925A8
    • 2002-10-03
    • PCT/JP0003658
    • 2000-06-05
    • FUJIKIN KKOHMI TADAHIROKAWADA KOUJIIKEDA NOBUKAZUMORIMOTO AKIHIROMINAMI YUKIOKOMEHANA KATUNORIHONIDEN TERUO
    • OHMI TADAHIROKAWADA KOUJIIKEDA NOBUKAZUMORIMOTO AKIHIROMINAMI YUKIOKOMEHANA KATUNORIHONIDEN TERUO
    • G01N25/32G01N27/00G01N27/16G01N33/00
    • G01N25/32G01N33/0013
    • A gas detection sensor capable of being simplified in structure and detecting, with high accuracy, the concentration of inflammable gas contained in a detected gas and the concentration of oxygen gas contained in the detected gas containing the inflammable gas under the presence of H2O or O2, comprising a first detection sensor which has a diaphragm with a platinum coated film applied on a gas contact surface in contact with the detected gas and a thermocouple which is obtained by moving for fixing one end side of each of two dissimilar metals closely to the non-gas contact surface of the diaphragm and is heated by the contact reaction of the inflammable gas and a second detection sensor which has a diaphragm with a gas contact surface in contact with the detected gas and a thermocouple obtained by moving for fixing one end side of each of two dissimilar metals closely to the non-gas contact surface of the diaphragm and detects the temperature of the detected gas, whereby the detection signals of the inflammable gas can be transmitted by the heating of the sensors due to contact reaction of the inflammable gas.
    • 一种气体检测传感器,其结构简单,并且在H 2 O或O 2存在下,高精度地检测包含在检测气体中的可燃性气体的浓度和包含在含有易燃气体的检测气体中的氧气浓度, 包括第一检测传感器,其具有施加在与所检测到的气体接触的气体接触表面上的铂涂覆膜的隔膜和通过移动以将两个不同金属中的每一个的一端侧紧密地固定到非电解槽的热电偶, 隔膜的气体接触表面被可燃性气体的接触反应和具有与检测到的气体接触的气体接触表面的隔膜的第二检测传感器加热,以及通过移动固定每个 两个不同的金属与隔膜的非气体接触表面紧密相邻,并检测检测到的气体的温度,从而进行检测 可燃气体的信号由于可燃性气体的接触反应而通过传感器的加热而传递。
    • 10. 发明公开
    • FLUID SUPPLY APPARATUS
    • FLUIDZUFUHRVORRICHTUNG
    • EP0969342A4
    • 2004-05-19
    • EP99900168
    • 1999-01-11
    • FUJIKIN KKTOKYO ELECTRON LTDOHMI TADAHIRO
    • OHMI TADAHIROKAGAZUME TETUSUGIYAMA KAZUHIKODOHI RYOUSUKEMINAMI YUKIONISHINO KOUJIKAWATA KOUJIIKEDA NOBUKAZUYAMAJI MICHIO
    • F16K31/06C01B5/00G05D7/06G05D11/13G05D21/00
    • G05D7/0635Y10T137/7759Y10T137/7761
    • A fluid supply apparatus comprising a pressure flow controller for controlling the rate of flow of fluid, a fluid selector valve for opening/closing the fluid passage on the secondary side, and a fluid supply controller for controlling the operation of them, wherein the pressure flow controller is provided with an orifice (5), a control valve (1) provided on the upstream side of the orifice (5), a pressure sensor (3) provided between the control valve (1) and the orifice (5), and an operation controller (6) for outputting to a driver (2) of the control valve (1) a control signal (Qy) representing the difference between a rate-of-flow signal (Qc=KP1) generated by calculation based on the pressure (P1) measured by the pressure sensor (3) and a rate-of-flow command signal (Qs), and the pressure (P1) on the upstream side of the orifice (5) is adjusted by opening/closing the control valve (1) so as to regulate the rate of flow on the downstream side of the orifice (5).
    • 1。一种流体供给装置,其特征在于,具有:控制流体的流量的压力流量控制器;开闭二次侧的流体通路的流体切换阀;以及控制它们的动作的流体供给控制器, (5),设置在节流孔(5)的上游侧的控制阀(1),设置在控制阀(1)和节流孔(5)之间的压力传感器(3),以及 (6),用于向控制阀(1)的驱动器(2)输出表示通过基于压力的计算产生的流量信号(Qc = KP1)之间的差值的控制信号(Qy) (3)测量的压力(P1)和流量指令信号(Qs),并且通过打开/关闭控制阀(5)来调节节流孔(5)上游侧的压力(P1) 1)以调节孔口(5)下游侧的流量。