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    • 2. 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。
    • 4. 发明授权
    • 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
    • US07028533B2
    • 2006-04-18
    • US11198799
    • 2005-08-05
    • Atsushi KoikeToshiaki KawanishiToshimi NakamuraTakayuki TakahataKiyoshi Yamagishi
    • Atsushi KoikeToshiaki KawanishiToshimi NakamuraTakayuki TakahataKiyoshi Yamagishi
    • G01M3/04
    • 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)之间的检测温度差,从流量测量部(18a,18b)获得输出Vout, 以及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。
    • 5. 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
    • US20050155421A1
    • 2005-07-21
    • US10508095
    • 2003-03-18
    • Atsushi KoikeToshiaki KawanishiToshimi NakamuraTakayuki TakahataKiyoshi Yamagishi
    • Atsushi KoikeToshiaki KawanishiToshimi NakamuraTakayuki TakahataKiyoshi Yamagishi
    • G01F1/68G01F1/684G01F1/699G01F7/00G01M3/28
    • 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)之间的检测温度差,从流量测量部(18a,18b)获得输出Vout, 以及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。
    • 6. 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
    • US06920778B2
    • 2005-07-26
    • US10498433
    • 2002-12-13
    • Atsushi KoikeKiyoshi YamagishiTakayuki TakahataToshimi NakamuraToshiaki Kawanishi
    • Atsushi KoikeKiyoshi YamagishiTakayuki TakahataToshimi NakamuraToshiaki Kawanishi
    • G01F1/00G01M3/04G01M3/26G01M3/32
    • G01M3/3254
    • A device placed in a tank and used for detecting a leakage of liquid in the tank. Vertical measurement tube passages (10, 14) into which the liquid in the tank is introduced have a measurement tube (10) and a measurement thin tube (14). The measurement thin tube (14) communicates with the measurement tube and is located lower than the measurement tube. The measurement thin tube has a cross-sectional area that is equal to or smaller than {fraction (1/50)} of that of the measurement tube. A thermal flow sensor (16) used for measuring a liquid flow rate is attached to the measurement thin tube (14). There is provided leakage detecting means (22) for detecting a leakage of liquid in the tank according to the flow rate value measured by the sensor. The leakage detecting means generates a leakage detection signal when a flow rate value measured by the sensor is within a range greater than 0 and smaller than the flow rate value obtained when liquid is added to the tank or when the liquid in the tank is taken out. Thus, even a leakage of a very small amount is detected easily and accurately without stopping the use of the tank.
    • 放置在罐中并用于检测罐中液体泄漏的装置。 导入罐中的液体的垂直测量管道(10,14)具有测量管(10)和测量细管(14)。 测量细管(14)与测量管连通,位于测量管的下方。 测量细管的截面积等于或小于{分数(测量管的1/50),用于测量液体流量的热流量传感器(16)附接到测量薄 管(14),设有泄漏检测装置(22),用于根据由传感器测量的流量值检测罐内液体的泄漏,泄漏检测装置在流量值由 传感器在大于0的范围内并且小于当液体被添加到罐中时或当罐中的液体被取出时获得的流量值,因此即使容易且准确地检测到极少量的泄漏 而不停止使用坦克。
    • 7. 发明申请
    • Device for detecting leakage of liquid in tank
    • 用于检测罐中液体泄漏的装置
    • US20050011253A1
    • 2005-01-20
    • US10498433
    • 2002-12-13
    • Atsushi KoikeKiyoshi YamagishiTakayuki TakahataToshimi NakamuraToshiaki Kawanishi
    • Atsushi KoikeKiyoshi YamagishiTakayuki TakahataToshimi NakamuraToshiaki Kawanishi
    • G01F1/00G01M3/04G01M3/26G01M3/32
    • G01M3/3254
    • A device placed in a tank and used for detecting a leakage of liquid in the tank. Vertical measurement tube passages (10, 14) into which the liquid in the tank is introduced have a measurement tube (10) and a measurement thin tube (14). The measurement thin tube (14) communicates with the measurement tube and is located lower than the measurement tube. The measurement thin tube has a cross-sectional area that is equal to or smaller than {fraction (1/50)} of that of the measurement tube. A thermal flow sensor (16) used for measuring a liquid flow rate is attached to the measurement thin tube (14). There is provided leakage detecting means (22) for detecting a leakage of liquid in the tank according to the flow rate value measured by the sensor. The leakage detecting means generates a leakage detection signal when a flow rate value measured by the sensor is within a range greater than 0 and smaller than the flow rate value obtained when liquid is added to the tank or when the liquid in the tank is taken out. Thus, even a leakage of a very small amount is detected easily and accurately without stopping the use of the tank.
    • 放置在罐中并用于检测罐中液体泄漏的装置。 导入罐中的液体的垂直测量管道(10,14)具有测量管(10)和测量细管(14)。 测量细管(14)与测量管连通,位于测量管的下方。 测量细管的截面积等于或小于{分数(测量管的1/50),用于测量液体流量的热流量传感器(16)附接到测量薄 管(14),设有泄漏检测装置(22),用于根据由传感器测量的流量值检测罐内液体的泄漏,泄漏检测装置在流量值由 传感器在大于0的范围内并且小于当液体被添加到罐中时或当罐中的液体被取出时获得的流量值,因此即使容易且准确地检测到极少量的泄漏 而不停止使用坦克。
    • 10. 发明申请
    • Gasoline identification system and method for identifying gasoline type
    • 汽油识别系统及汽油类型识别方法
    • US20060243248A1
    • 2006-11-02
    • US10529796
    • 2003-09-30
    • Toshiaki KawanishiKiyoshi YamagishiTakayuki Takahata
    • Toshiaki KawanishiKiyoshi YamagishiTakayuki Takahata
    • F02P5/145G01N25/00G01N27/60
    • F02P5/1455F02D19/084F02D19/087F02D37/02F02D41/0025F02D2200/0611G01N25/18G01N33/2829G01N33/2852Y02T10/36Y02T10/46
    • The types of gasolines having different distillation characteristics and various compositions are identified accurately and rapidly. A pulse voltage is applied for a predetermined time to a liquid type identifying sensor heater including a heater and an identifying liquid temperature sensor provided in the vicinity of the heater and an identified gasoline is heated by the heater and the liquid type is identified with a voltage output difference V0 corresponding to a temperature difference between an initial temperature and a peak temperature in the identifying liquid temperature sensor. Furthermore, a gasoline is introduced between electrodes of an alcohol concentration detecting sensor, and a change in a specific inductive capacity of the gasoline between the electrodes is measured with an oscillation frequency thereby detecting an alcohol concentration in the gasoline. Moreover, based on the alcohol concentration detected by the alcohol concentration detecting device, correcting liquid type identification data in the identification control portion on the basis of alcohol concentration data which are prestored in the identification control portion, thereby identifying a liquid type.
    • 具有不同蒸馏特性和各种组成的汽油的类型被准确而快速地识别。 将脉冲电压施加到包括加热器的液体型识别传感器加热器和设置在加热器附近的识别液体温度传感器的液体型识别传感器加热器,并且所识别的汽油由加热器加热,并且液体类型用电压 输出差V 0对应于识别液体温度传感器中的初始温度和峰值温度之间的温度差。 此外,在醇浓度检测传感器的电极之间引入汽油,并以振荡频率测量电极之间的汽油的比感应能力的变化,从而检测汽油中的醇浓度。 此外,基于由醇浓度检测装置检测的醇浓度,基于预先存储在识别控制部分中的酒精浓度数据来校正识别控制部分中的液体类型识别数据,从而识别液体类型。