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    • 5. 发明授权
    • Sealable microvalve that can be repeatedly opened and sealed
    • 可密封的微型阀可以反复打开和密封
    • US09546743B2
    • 2017-01-17
    • US14455302
    • 2014-08-08
    • Northeastern University
    • Carol Livermore-CliffordChenye Yang
    • F16K99/00
    • F16K99/0009F16K99/0032F16K99/0044F16K99/0046F16K99/0048F16K99/0051F16K2099/0069F16K2099/0074F16K2099/008
    • A substantially leak-free, sealable microvalve that can be repeatedly opened and sealed is presented. The resealable microvalve includes a block with a through via and a sealing plate. The gap between the block and the sealing plate is sealed by a sealing material. The sealing material can be melted when heat is applied and can be solidified when heat is absent. To close the resealable microvalve, heat is applied by flowing a current through a resistive heater and an actuator brings the block and the sealing plate into a contacting position. By removing the heat, the sealing material is solidified and creates a sealed state. To open the resealable microvalve, heat is applied to the sealing material. When the sealing material melts, the actuator moves the block and the sealing plate into a spaced apart position.
    • 提出了可重复打开和密封的基本无泄漏,可密封的微型阀。 可重新密封的微型阀包括具有通孔和密封板的块体。 块体与密封板之间的间隙由密封材料密封。 当加热时密封材料可以熔化,并且当不存在热时可以固化。 为了关闭可重新密封的微型阀,通过使电流流过电阻加热器来施加热量,并且致动器使块和密封板进入接触位置。 通过去除热量,密封材料固化并产生密封状态。 为了打开可重新密封的微型阀,将热量施加到密封材料上。 当密封材料熔化时,致动器将块和密封板移动到间隔开的位置。