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    • 4. 发明申请
    • Pressure Discharge Valve for Storage Tanks
    • 储罐压力释放阀
    • US20130320010A1
    • 2013-12-05
    • US13940457
    • 2013-07-12
    • Stojan KotefskiEugene R. Reda
    • Stojan KotefskiEugene R. Reda
    • B65D90/32
    • F16K17/003B65D90/32B65D90/36F16K17/383F42B27/00F42B39/14Y10T137/1797Y10T137/1812
    • A pressure discharge valve for storage tanks on land or trucks including a valve body having a through hole therein adapted to mate and communicate with a through hole in a wall of the storage tank, a first vent means comprised of a eutectic composition which automatically provides a partial release of storage tank liquid at a first predetermined temperature lower than critical combustion and/or explosive temperatures of liquid in the storage tank, to provide a visual signal and warning to firefighters of these hazardous conditions, and a second vent means comprised of a eutectic composition to automatically vent liquid in the storage tank through the hole in the valve body when the liquids therein reach a predetermined critical temperature. In addition, the pressure discharge valve preferably comprises a eutectic solder material disposed between the valve body and the second vent means, which changes phase (i.e., reaches its eutectic point) below the eutectic point of the second vent means, thereby providing a lubricant between the plug and the valve body.
    • 一种用于陆上或卡车上的储罐的压力释放阀,包括阀体,其中具有适于与储罐的壁中的通孔配合和连通的通孔,第一通气装置由共晶组合物构成,该共晶组合物自动提供 在低于储罐中的液体的临界燃烧和/或爆炸温度的第一预定温度下部分释放储罐液体,以向这些危险条件的消防员提供视觉信号和警告,以及由共晶体组成的第二排气装置 组合物当其中的液体达到预定的临界温度时,通过阀体中的孔自动排出储存罐中的液体。 此外,压力释放阀优选地包括设置在阀体和第二通气装置之间的共晶焊料,其在第二通风装​​置的共晶点之下改变相位(即达到其共晶点),从而在第二通气装置之间提供润滑剂 塞子和阀体。