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    • 8. 发明申请
    • LOCKING-RELEASING HEAD FOR A POWDER FIRE EXTINGUISHER
    • 用于粉末灭火器的锁定释放头
    • WO2004075994A1
    • 2004-09-10
    • PCT/RU2003/000067
    • 2003-02-27
    • A62C13/00
    • A62C37/50A62C13/68A62C13/76
    • The inventive locking-releasing head relates to pumped powder extinguishers which eject a fire extinguishing powder at a positive pressure and can be used as primary extinguishing means for fighting class A (solid substances), class B (liquid substances) and class C (gaseous substances) fires, fires of electrical devices under tension equal or less than 1000 V and also for fires on road, railway and river transport. Said locking-releasing head for a powder fire extinguisher comprises a body (1) provided with elements for fixing to the container of said extinguisher, a handle connected to the body (1), a locking unit provided with a rod (16) carrying a valve fixed thereto, a control lever (13), a siphon tube (21), a pressure indicator (2) and a spraying nozzle (19). Said pressure indicator (2) is arranged on the valve rod (16) in which a hole is embodied in such a way that it connects the under-membrane cavity of the indicator to the under-valve cavity of the head. The inventive structural design ensures high technical and economic characteristics, in particular makes it possible to preserve the long-term tightness and to carry out an impulse operation mode.
    • 本发明的锁定释放头涉及以正压喷射灭火粉末的抽吸粉末灭火器,并且可以用作A级(固体物质),B类(液体物质)和C类(气态物质)的主要灭火装置 )在紧张等于或小于1000伏的电气设备的火灾,以及道路,铁路和河流运输的火灾。 用于粉末灭火器的所述锁定释放头包括设置有用于固定到所述灭火器的容器的元件的主体(1),连接到所述主体(1)的手柄,具有杆(16)的锁定单元, 固定在其上的阀,控制杆(13),虹吸管(21),压力指示器(2)和喷嘴(19)。 所述压力指示器(2)设置在所述阀杆(16)上,其中孔被构造成使得其将所述指示器的膜下腔连接到所述头部的下阀腔。 本发明的结构设计确保了高技术和经济特征,特别是使得可以保持长期紧密性并执行脉冲操作模式。