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    • 72. 发明申请
    • VALVE PACKING FUGITIVE EMISSION DETECTION SYSTEM
    • 阀门包装排放检测系统
    • US20130061954A1
    • 2013-03-14
    • US13605821
    • 2012-09-06
    • FABIO GIOVEJALIL ABRAHIMZADEH
    • FABIO GIOVEJALIL ABRAHIMZADEH
    • F16K31/02
    • F16K41/04F16J15/004F16J15/183F16J15/3296F16K37/0083F16K37/0091G01M3/224G01M3/2876Y10T137/7761
    • In accordance with the resent invention, there is provided a fugitive emission detection system for use in conjunction with a valve having a packing deign which includes a primary packing and a secondary packing. The valve further includes a leak port which is disposed within the valve bonnet between the primary and secondary packings. The detection system is operative to maintain the leak port in a normally open state. As a result, any fluid leakage past the primary packing is normally sent to the detection system, as opposed to being applied to and thus pressurizing the secondary packing. In the event of that a prescribed level of fluid leakage beyond the primary packing is detected, the leak port will be closed. The closure of the leak port facilitates the pressurization of the secondary packing.
    • 根据本发明,提供了一种与具有包装主体的阀门结合使用的逃逸排放物检测系统,包括初级包装和二次包装。 该阀还包括泄放口,该泄漏口设置在第一和第二填料之间的阀帽内。 检测系统可操作以将泄漏口保持在常开状态。 因此,通常将通过主填料的任何流体泄漏送到检测系统,而不是施加到第二填料上并由此对第二填料加压。 如果检测到超过一次包装的规定水平的流体泄漏,泄漏口将被关闭。 泄漏口的关闭有助于二次包装的加压。
    • 75. 发明申请
    • ROTARY COUPLING
    • 旋转联轴器
    • US20110014051A1
    • 2011-01-20
    • US12829772
    • 2010-07-02
    • Antony MORGAN
    • Antony MORGAN
    • F04D29/36F16L55/00
    • F16J15/164B64C11/306B64D2027/026F16J9/08F16J15/3296F16J15/46
    • A rotary coupling having a first element and a coaxial second element, the first and second elements being rotatable relative to each other and defining an annular passage between radially facing walls thereof. The coupling has a sealing ring at an end of the annular passage, the sealing ring being mounted to the wall of the first element and rotating relative to the second element, and having an active configuration in which the sealing ring is urged against the wall of the second element to seal the end of the annular passage, and a return configuration in which the sealing ring does not seal the end of the annular passage. A control system is used to apply a variable load to the sealing ring, wherein the sealing ring moves between the active and return configurations in response to variation in the applied load.
    • 一种具有第一元件和同轴第二元件的旋转联轴器,所述第一和第二元件可相对于彼此旋转并且在径向相对的壁之间限定环形通道。 联接器在环形通道的端部具有密封环,密封环安装在第一元件的壁上并相对于第二元件旋转,并且具有活动构造,其中密封环被推靠在 用于密封环形通道的端部的第二元件以及密封环不密封环形通道的端部的返回构造。 控制系统用于向密封环施加可变负载,其中响应于所施加的负载的变化,密封环在主动和返回构型之间移动。