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4 条记录 (耗时 0.012 秒)

    Thermal management in a pressure transmitter
    1.
    发明授权
    Thermal management in a pressure transmitter 有权
    压力变送器的热管理

    公开(公告)号：US06510740B1

    公开(公告)日：2003-01-28

    申请号：US09667399

    申请日：2000-09-21

    申请人： Steven M. Behm ,  William B. Krueger ,  Kelly M. Orth ,  Jeffrey C. Brekken

    发明人： Steven M. Behm ,  William B. Krueger ,  Kelly M. Orth ,  Jeffrey C. Brekken

    IPC分类号： G01L1904

    CPC分类号： G01L19/143 ,  G01D1/00 ,  G01L9/0072 ,  G01L9/045 ,  G01L9/125 ,  G01L13/026 ,  G01L19/0681 ,  H01R29/00

    摘要： A pressure transmitter with a transmitter housing having an outer wall providing thermal resistance. The outer wall extends from an isothermal island at a first end to a heat sink island at a second end. The isothermal island includes a fluid inlet, and pressure and temperature sensors. The heat sink island includes a primary heat load device that is heat sunk to an outer shell of an electrical connector. The connector contacts carry a current controlled by the transmitter, and a portion of the current is conducted by a primary heat load device. A circuit board controls the current to represent the pressure. A high accuracy, temperature compensated current output represents pressure.

    摘要翻译： 具有变送器壳体的压力变送器具有提供热阻的外壁。 外壁在第一端处的等温岛延伸到第二端处的散热岛。 等温岛包括流体入口，压力和温度传感器。 散热岛包括一个热电偶装置，其被热吸附到电连接器的外壳上。 连接器触点承载由发射器控制的电流，并且一部分电流由主要负载装置传导。 电路板控制电流来表示压力。 高精度，温度补偿电流输出表示压力。

    Pressure sensor and transmitter having a weld ring with a rolling hinge point
    2.
    发明授权
    Pressure sensor and transmitter having a weld ring with a rolling hinge point 有权
    压力传感器和变送器具有带滚动铰链点的焊接环

    公开(公告)号：US6055863A

    公开(公告)日：2000-05-02

    申请号：US321144

    申请日：1999-05-27

    申请人： Steven M. Behm ,  Jeffrey C. Brekken

    发明人： Steven M. Behm ,  Jeffrey C. Brekken

    IPC分类号： G01L13/00 ,  G01L9/00 ,  G01L19/06

    CPC分类号： G01L13/026 ,  G01L19/0038 ,  G01L19/0645 ,  G01L19/0663

    摘要： A process control instrument adapted to provide an output indicative of a parameter of a process fluid is disclosed. The process control instrument is designed to be attachable to a flange having a first passageway filled with process fluid. A body of the process control instrument has an opening adjacent to the first passageway adapted to receive process fluid from the first passageway. An isolation diaphragm is positioned in the opening of the body and separates the opening and the first passageway from a second passageway. A weld ring positioned in the opening is adapted to evenly distribute an attachment force across a support surface such that damage to the isolation diaphragm is minimized.

    摘要翻译： 公开了一种适于提供指示过程流体参数的输出的过程控制仪器。 过程控制仪器被设计成可附接到具有填充有过程流体的第一通道的凸缘。 过程控制仪器的主体具有与第一通道相邻的开口，适于从第一通道接收过程流体。 隔离隔膜定位在主体的开口中，并将开口和第一通道与第二通道分开。 定位在开口中的焊接环适于在支撑表面上均匀分布附着力，使得隔离隔膜的损坏最小化。