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    • 4. 发明申请
    • Backpressure regulator
    • 背压调节器
    • US20050194048A1
    • 2005-09-08
    • US10713644
    • 2003-11-13
    • Timothy DugganKingston Owens
    • Timothy DugganKingston Owens
    • F16K15/03
    • F16K17/12Y10T137/7903
    • A backpressure regulator, consistent with an embodiment of the invention, includes a hinged arm attached to a movable stop that is positioned to cover a port connected to a pressurized conduit, when the arm of the regulator is in a closed position. When the pressure in the conduit exceeds a set point, the arm moves away from the closed position, allowing fluid to escape the pressurized conduit. When the pressure in the conduit returns to, or below the set point, the arm returns to a closed position. Other backpressure regulators in accord with embodiments of the invention may include an adjustable counter mass for altering the set point of the regulator; a specifically designed leak vent when the arm of the regulator is in a closed position; or a port having an orifice connected to the pressurized conduit. The port may optionally have a drain orifice as well.
    • 与本发明的实施例一致的背压调节器包括连接到可移动止动件的铰接臂,当可调节器的臂处于关闭位置时,其可定位成覆盖连接到加压导管的端口。 当管道中的压力超过设定点时,臂从关闭位置移开,允许流体从加压导管中排出。 当管道中的压力返回到或低于设定点时,臂返回到关闭位置。 根据本发明的实施例的其它背压调节器可以包括用于改变调节器的设定点的可调节的质量块; 当调节器的臂处于关闭位置时的专门设计的泄漏口; 或具有连接到加压导管的孔口的端口。 端口也可以可选地具有排水口。