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    • 41. 发明授权
    • Flow quantity measuring apparatus including branched conductive lines connected to midpoints of series circuits of the bridge circuit
    • 流量测量装置,包括连接到桥式电路的串联电路的中点的分支导线
    • US08844350B2
    • 2014-09-30
    • US13242130
    • 2011-09-23
    • Junzo YamaguchiYasushi Kohno
    • Junzo YamaguchiYasushi Kohno
    • G01F1/68G01F1/00
    • G01F1/00
    • A sensor chip in a flow quantity measuring apparatus includes a first conductive line, through which a midpoint electric potential of a first series circuit of a bridge circuit is outputted, is branched from a first midpoint connection on a sensor chip. A second conductive line, through which a midpoint electric potential of a second series circuit of the bridge circuit is outputted, is branched from a second midpoint connection on the sensor chip. The output point of the midpoint electric potential of the first series circuit is provided at a midpoint between two temperature sensor resistors, and the first midpoint connection is provided on a center line of a heater resistor. The output point of the midpoint electric potential of the second series circuit is provided at a midpoint between two temperature sensor resistors, and the second midpoint connection is provided on the center line of the heater resistor.
    • 流量测量装置中的传感器芯片包括:输出桥电路的第一串联电路的中点电位的第一导线从传感器芯片上的第一中点连接分支。 输出桥电路的第二串联电路的中点电位的第二导线从传感器芯片上的第二中点连接分支。 第一串联电路的中点电位的输出点设置在两个温度传感器电阻之间的中点处,并且第一中点连接设置在加热电阻器的中心线上。 第二串联电路的中点电位的输出点设置在两个温度传感器电阻之间的中点处,第二中点连接设置在加热电阻器的中心线上。
    • 48. 发明授权
    • Flow quantity measuring device
    • 流量测量装置
    • US07644614B2
    • 2010-01-12
    • US12108313
    • 2008-04-23
    • Junzo YamaguchiYasushi Kohno
    • Junzo YamaguchiYasushi Kohno
    • G01F1/68
    • G01F1/692
    • In a flow quantity measuring device, each of upstream side and downstream side sensing resistors, which are placed on an upstream side and a downstream side, respectively, of a heating resistor, includes resistor elements, each of which forms a folded path. The folded path has a generally constant width along an entire extent thereof and is returned at each of first and second longitudinal end edges of a sensing area. The heating resistor forms a folded path, which has a generally constant width along an entire extent thereof and is returned at the second longitudinal end edge of the heat generating area. First and second ends of the folded path of the heating resistor projects beyond the first longitudinal end edge of the sensing area on a first side of the flow quantity measuring device.
    • 在流量测量装置中,分别位于加热电阻器的上游侧和下游侧的上游侧和下游侧检测电阻器中的每一个包括各自形成折叠路径的电阻器元件。 折叠路径在其整个范围上具有大致恒定的宽度,并且在感测区域的第一和第二纵向端边缘的每一个处返回。 加热电阻器形成折叠路径,该折叠路径在其整个范围上具有大致恒定的宽度,并且在发热区域的第二纵向端部边缘处返回。 加热电阻器的折叠路径的第一和第二端在流量测量装置的第一侧突出超过感测区域的第一纵向端边缘。