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    • 5. 发明申请
    • PRESSURE SENSOR
    • 压力传感器
    • US20100037697A1
    • 2010-02-18
    • US12190555
    • 2008-08-12
    • Jason WeissBrian BruchalWilliam MacDonald
    • Jason WeissBrian BruchalWilliam MacDonald
    • G01L7/08
    • G01L19/0084G01L19/0672
    • An apparatus for sensing pressure is provided comprising a housing, electronics, a pressure sensor and a secondary seal. The housing comprises an interior bore and a first end, with the interior bore forming an opening at the first end. The electronics may be disposed in the interior bore. The pressure sensor is mounted at the first end of the interior bore. The pressure sensor may be operatively connected to send signals to the electronics in response to external fluid pressure. The pressure sensor may, at least in part, form a primary seal at the first end of the interior bore. The secondary seal may be disposed in the interior bore in between the pressure sensor and the electronics. The secondary seal may be configured to act as a backup seal to the primary seal. The secondary seal provides an added degree of safety from high pressure pipeline contents. The secondary seal also ensures that the important interior electrical components of the apparatus are not damaged upon failure of any component located at the first end. If the pressure sensor or primary seal is damaged, for example, a new pressure sensor or primary seal may be installed without having to replace the entire apparatus. The secondary seal also prevents fluid from a high pressure pipeline that has compromised the primary seal from being ejected from the pipeline. The secondary seal also prevents pipeline media from migrating through the electrical cable to a non-hazardous location.
    • 提供了用于感测压力的装置,其包括壳体,电子器件,压力传感器和次级密封件。 壳体包括内孔和第一端,内孔在第一端形成开口。 电子设备可以设置在内孔中。 压力传感器安装在内孔的第一端。 压力传感器可以可操作地连接以响应于外部流体压力向电子装置发送信号。 压力传感器可以至少部分地在内孔的第一端处形成主密封件。 二次密封件可以设置在压力传感器和电子设备之间的内孔中。 辅助密封件可以被配置为充当主密封件的备用密封件。 二次密封提供了高压管道内容物的附加安全性。 次级密封件还确保了装置的重要内部电气部件在位于第一端的任何部件的故障时不被损坏。 如果压力传感器或主密封件损坏,例如,可以安装新的压力传感器或主密封件,而无需更换整个设备。 次级密封件还防止来自已经损害主密封件的高压管道的流体从管道中排出。 次级密封件还可防止管道介质通过电缆迁移到非危险场所。
    • 8. 发明授权
    • Pressure sensor with secondary seal
    • 带二次密封的压力传感器
    • US08020449B2
    • 2011-09-20
    • US12190555
    • 2008-08-12
    • Jason WeissBrian BruchalWilliam MacDonald
    • Jason WeissBrian BruchalWilliam MacDonald
    • G01L7/08
    • G01L19/0084G01L19/0672
    • An apparatus for sensing pressure is provided comprising a housing, electronics, a pressure sensor and a secondary seal. The housing comprises an interior bore and a first end, with the interior bore forming an opening at the first end. The electronics may be disposed in the interior bore. The pressure sensor is mounted at the first end of the interior bore. The pressure sensor may be operatively connected to send signals to the electronics in response to external fluid pressure. The pressure sensor may, at least in part, form a primary seal at the first end of the interior bore. The secondary seal may be disposed in the interior bore in between the pressure sensor and the electronics. The secondary seal may be configured to act as a backup seal to the primary seal. The secondary seal provides an added degree of safety from high pressure pipeline contents. The secondary seal also ensures that the important interior electrical components of the apparatus are not damaged upon failure of any component located at the first end. If the pressure sensor or primary seal is damaged, for example, a new pressure sensor or primary seal may be installed without having to replace the entire apparatus. The secondary seal also prevents fluid from a high pressure pipeline that has compromised the primary seal from being ejected from the pipeline. The secondary seal also prevents pipeline media from migrating through the electrical cable to a non-hazardous location.
    • 提供了用于感测压力的装置,其包括壳体,电子器件,压力传感器和次级密封件。 壳体包括内孔和第一端,内孔在第一端形成开口。 电子设备可以设置在内孔中。 压力传感器安装在内孔的第一端。 压力传感器可以可操作地连接以响应于外部流体压力向电子装置发送信号。 压力传感器可以至少部分地在内孔的第一端处形成主密封件。 二次密封件可以设置在压力传感器和电子设备之间的内孔中。 辅助密封件可以被配置为充当主密封件的备用密封件。 二次密封提供了高压管道内容物的附加安全性。 次级密封件还确保了装置的重要内部电气部件在位于第一端的任何部件的故障时不被损坏。 如果压力传感器或主密封件损坏,例如,可以安装新的压力传感器或主密封件,而无需更换整个设备。 次级密封件还防止来自已经损害主密封件的高压管道的流体从管道中排出。 次级密封件还可防止管道介质通过电缆迁移到非危险场所。
    • 9. 发明申请
    • Anticrobial Polymeric Film
    • 抗菌聚合物薄膜
    • US20080044458A1
    • 2008-02-21
    • US11630366
    • 2005-06-20
    • William MacDonaldJulia AngoldDavid Brown
    • William MacDonaldJulia AngoldDavid Brown
    • A01N59/16A01N25/34A01P1/00
    • A01N59/16A01N25/34A01N25/10A01N2300/00
    • An anti-microbial polymeric film comprising a polymeric substrate layer and an inorganic anti-microbial compound of formula (I): AgaHbAcM2(PO4)3.nH2O wherein: A is at least one ion selected from an alkali or alkaline earth metal ion; M is a tetravalent metal ion; a is in the range 0.4 to 0.5; b and c are positive numbers such that (a+b+mc)=1; m is the valence of metal A; and 0≦n≦6, wherein the anti-microbial compound is present in the substrate layer in an amount of from about 0.05 to about 0.7% of by weight of the polymeric material of the substrate layer; and the use of said inorganic anti-microbial compound for providing an antimicrobial polymeric film having reduced haze.
    • 一种抗微生物聚合物膜,其包含聚合物基底层和式(I)的无机抗微生物化合物:Ag / 其中:A是至少一种离子选自以下的离子:(A) 碱金属或碱土金属离子; M是四价金属离子; a在0.4〜0.5的范围内; b和c是正数,使得(a + b + mc)= 1; m是金属A的化合价; 和0 <= n <= 6,其中所述抗微生物化合物以所述基材层的聚合物材料的约0.05至约0.7重量%的量存在于所述基材层中; 以及使用所述无机抗微生物化合物来提供具有降低的雾度的抗微生物聚合物膜。