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    • 1. 发明申请
    • FIRE FIGHTING NOZZLE FOR PROJECTING FOG CLOUD
    • 用于投射雾气的消防喷嘴
    • WO2006023033A2
    • 2006-03-02
    • PCT/US2005021677
    • 2005-06-20
    • IVY EUGENE W
    • IVY EUGENE W
    • B05B3/06
    • B05B3/06A62C25/00A62C31/02A62C31/05B05B1/14
    • A mist generating nozzle (10) produces a swirling fog pattern (76) having a forward thrust component that permits an operator, stationed safely at a remote location relative to a fire source (74), to exercise directional control and positioning of a relatively large mist cloud on or about the fire source. The discharge nozzle includes a cylindrical bearing member (16) and a cylindrical sleeve member (40) with a plurality of water discharge orifices (42 ) that extend at a forward projection angle (?) transverse to the nozzle axis (20). A pair of the fog producing nozzles (10) are configured with counter-rotating rotors, producing counter-rotating clouds (76, 78) that merge along a common vortex (80). This produces a composite mist cloud having a magnified forward thrust component, enabling remote directional control of the mist cloud.
    • 雾产生喷嘴(10)产生旋转雾图案(76),其具有向前推力分量,其允许操作者安全地驻留在相对于火源(74)的远程位置,以运动相对较大的方向控制和定位 火云上或附近的雾云。 排出喷嘴包括圆柱形轴承构件(16)和具有多个排水口(42)的圆柱形套筒构件(40),其以横向于喷嘴轴线(20)的向前的投影角度(θ)延伸。 一对雾化喷嘴(10)配置有反向旋转的转子,产生沿着共同涡流(80)合并的反向旋转云(76,78)。 这产生具有放大的向前推力分量的复合雾云,能够对雾云进行远程方向控制。