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    • 1. 发明申请
    • DETECTION UNIT MOLD PACKAGE AND FLUID DISCRIMINATION SENSOR MODULE USING THE MOLD PACKAGE
    • 使用模具包的检测单元模具包装和流体分辨传感器模块
    • US20100212400A1
    • 2010-08-26
    • US12599926
    • 2008-05-08
    • Toshimi Nakamura
    • Toshimi Nakamura
    • G01N25/18
    • G01N27/18
    • Provided is a detection unit mold package (2A), which is equipped with plate-shaped protrusions (21P and 22P) to contact an object liquid so as to exchange the heat with the object liquid. The plate-shaped protrusions (21P and 22P) are formed by sealing a liquid-kind detecting unit (21a) and a liquid-temperature detecting unit (22a), which are made of thin-film chips containing at least temperature-sensitive elements, and metallic die pads (21c and 22c) having those detecting units joined thereto, with a sealing material (23), so that they may not be exposed to the surface. The plate-shaped protrusions (21P and 22P) have their two principal planes in parallel with the metallic die pads (21c and 22c).
    • 提供了一种检测单元模具包装(2A),其配备有与物体液体接触以与对象液体交换热量的板状突起(21P和22P)。 板状突起(21P和22P)通过密封液体种检测单元(21a)和液温检测单元(22a)形成,液体检测单元(21a)和液温检测单元(22a)由至少包含温度敏感元件的薄膜芯片制成, 和具有与其连接的那些检测单元的金属管芯焊盘(21c和22c)与密封材料(23)接合,使得它们不会暴露于表面。 板状突起(21P,22P)的两个主平面与金属模片(21c,22c)平行。
    • 2. 发明授权
    • Device for detecting leakage of liquid in tank
    • 用于检测罐中液体泄漏的装置
    • US07574897B2
    • 2009-08-18
    • US11791685
    • 2005-11-21
    • Atsushi KoikeToshimi NakamuraTsutomu Makino
    • Atsushi KoikeToshimi NakamuraTsutomu Makino
    • G01M3/04
    • G01M3/3254
    • A device for detecting leakage of liquid in a tank, capable of detecting the leakage at high accuracy and sensitivity for a wide range of a leakage quantity. A flow rate sensor section attached to a measurement fine tube (13b) includes temperature sensors (133, 134) and an indirectly heated sensor (135). A leakage detection control section connected to a pressure sensor (137) for measuring a liquid level and to the flow rate sensor section has a voltage generation circuit (67) for applying a voltage to a heater (163) of the indirectly heated sensor, a first leakage detection circuit (71), and a second leakage detection circuit for generating an output corresponding to temperature sensed by the indirectly heated sensor (135). First leakage detection using an output of the first leakage detection circuit, second leakage detection using an output of the pressure sensor, and third leakage detection using an output of the second leakage detection circuit are performed, and at least one of the results of the detections is outputted.
    • 一种用于检测罐中液体泄漏的装置,能够在宽范围的泄漏量下以高精度和灵敏度检测泄漏。 附接到测量细管(13b)的流量传感器部分包括温度传感器(133,134)和间接加热的传感器(135)。 连接到用于测量液位的压力传感器(137)和流量传感器部分的泄漏检测控制部分具有用于向间接加热的传感器的加热器(163)施加电压的电压产生电路(67), 第一泄漏检测电路(71)和用于产生对应于由间接加热的传感器(135)感测的温度的输出的第二泄漏检测电路。 执行使用第一泄漏检测电路的输出,使用压力传感器的输出的第二泄漏检测和使用第二泄漏检测电路的输出的第三泄漏检测的第一泄漏检测,并且检测结果中的至少一个 被输出。
    • 3. 发明申请
    • Flow rate measuring method and flowmeter, flow rate measuring section package used for them and flow rate measuring unit using them, and piping leakage inspection device using flowmeter
    • 流量测量方法和流量计,用于它们的流量测量部件和使用它们的流量测量单元,以及使用流量计的管道泄漏检测装置
    • US20060005620A1
    • 2006-01-12
    • US11198799
    • 2005-08-05
    • Atsushi KoikeToshiaki KawanishiToshimi NakamuraTakayuki TakahataKiyoshi Yamagishi
    • Atsushi KoikeToshiaki KawanishiToshimi NakamuraTakayuki TakahataKiyoshi Yamagishi
    • G01F1/68
    • G01M3/2807G01F1/68G01F1/6847G01F1/699G01F7/00
    • Measurements are obtained by a computing unit based on an output Vh from an indirectly-heated constant-temperature controlling flow rate measuring section (16) and an output Vout from a two-constant-point temperature difference detecting flow rate measuring sections (18a, 18b). In the flow rate measuring section (16), a heating element (163) is feedback-controlled based on a detected temperature by a heat sensing element (162) to obtain an output Vh based on the feedback-controlled condition. An output Vout is obtained from flow rate measuring sections (18a, 18b) based on the detected temperature difference between a heat sensing element (182) disposed on the liquid-flow-direction upstream side of the flow-rate measuring section (16) and a temperature sensing element disposed on the downstream side. A computing unit outputs as a measurement a flow rate obtained based on the output Vh in a flow rate region where a flow rate is larger than a predetermined boundary flow rate, and outputs as a measurement a flow rate obtained based on the output Vout in a flow rate region where it is less than a boundary flow rate. Accordingly, a flow rate is measured with good precision and sensitivity over a wide flow rate range from a trace-amount flow rate region to a comparatively large flow rate region.
    • 由计算单元基于来自间接加热的恒温控制流量测量部(16)的输出Vh和来自两个恒定点温度差检测流量测量部(18a, 18 b)。 在流量测量部分(16)中,基于检测到的温度由热敏元件(162)反馈控制加热元件(163),以基于反馈控制条件获得输出Vh。 基于流量测量部(16)的液流方向上游侧设置的感热元件(182)之间的检测温差,从流量测量部(18a,18b)获得输出Vout, )和设置在下游侧的温度感测元件。 计算单元作为测量输出在流量大于预定边界流量的流量区域中基于输出Vh获得的流量,并作为测量输出基于输出Vout获得的流量 流量区域小于边界流量。 因此,在从微量流量区域到较大流量区域的宽流量范围内,以高精度和高灵敏度测量流量。
    • 7. 发明授权
    • Leak detector and leak detecting system using the same
    • 泄漏检测器和泄漏检测系统使用相同
    • US07536900B2
    • 2009-05-26
    • US10564129
    • 2004-06-30
    • Toshimi NakamuraKiyoshi YamagishiAtsushi KoikeKiyotaka Yanagi
    • Toshimi NakamuraKiyoshi YamagishiAtsushi KoikeKiyotaka Yanagi
    • G01M3/04
    • G01M3/3245
    • A leak detecting system includes a leak detector that detects leakage of liquid stored in a tank based on fluctuation in a level of the liquid. The leak detector includes a liquid inlet/outlet portion through which the liquid in the tank flows in and out, a flow-rate measuring unit configured to measure an amount of flow of the liquid inside the leak detector, and a liquid retaining portion configured to retain liquid flowing therein through the liquid inlet/outlet portion. A lower end of the leak detector is detachably attached to a bottom plate of the tank, and an upper end of the leak detector is supported in a gauging port in a top plate in such a manner that the leak detector is movable in a vertical direction.
    • 泄漏检测系统包括:泄漏检测器,其基于液体液面的波动来检测储存在罐中的液体的泄漏。 泄漏检测器包括液体入口/出口部分,罐中的液体通过其流入和流出;流量测量单元,被配置为测量泄漏检测器内部的液体的流量;液体保持部分, 保持通过液体入口/出口部分流入其中的液体。 泄漏检测器的下端可拆卸地附接到罐的底板,并且检漏器的上端被支撑在顶板中的测量口中,使得检漏器可在垂直方向上移动 。