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    • 4. 发明申请
    • VALVE WITH FREEZE-PROOF HEATED VALVE SEAT
    • 阀门带防冻加热阀座
    • US20080053530A1
    • 2008-03-06
    • US11777603
    • 2007-07-13
    • Steven KnightTimothy Neal
    • Steven KnightTimothy Neal
    • F16K49/00F24J3/00
    • F16K49/002H01M8/04156H01M8/04253Y10T137/0318Y10T137/6606
    • A valve comprises a valve body having a fluid inlet and fluid outlet, a valve seat located in the valve body between the fluid inlet and a fluid outlet, a valve member movable towards and away from the valve seat for controlling the flow of fluid from the fluid inlet to the fluid outlet, and a PTC heater in thermal contact with the valve seat for heating the valve seat. The heater is integrated in the valve in a manner where the valve seat is used as an electrical conductor to facilitate operation and assembly of the valve, and a unique valve construction is provided for enabling self-draining to avoid accumulation of water or other liquid in the valve that might negatively impact performance of the valve.
    • 阀包括具有流体入口和流体出口的阀体,位于流体入口和流体出口之间的阀体中的阀座,可朝向和远离阀座移动的阀构件,用于控制来自流体出口的流体流动 流体出口的流体入口以及与阀座热接触以加热阀座的PTC加热器。 加热器集成在阀中,阀座用作电导体以便于阀的操作和组装,并且提供了独特的阀结构,用于实现自排水以避免水或其它液体的积聚 阀可能会对阀门的性能产生负面影响。