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    • 1. 发明授权
    • Method for spraying a medium and spraying nozzle
    • 喷涂介质和喷嘴的方法
    • US08636232B2
    • 2014-01-28
    • US13154951
    • 2011-06-07
    • Harry Metzger
    • Harry Metzger
    • B05B1/34
    • B05B1/3463A62C31/02B05B1/14B05B1/265B05B1/3421B05B1/3426
    • A method for spraying a medium mist, particularly a medium mist used in firefighting, over a large area. In the method, at least two sprays of medium mist are formed, of which a first spray is within a second medium mist spray at least at or near the spraying point. During the formation of the sprays, the medium is set into a swirling motion at least before the discharge opening of the nozzle used to form each spray and/or at least before the sprays are mixed with each other. The swirling directions of the medium in different sprays are opposite to each other, whereby a preferably homogeneous mist spray spread over a large area is achieved.
    • 一种在大面积上喷涂中等雾,特别是用于消防的中等雾的方法。 在该方法中,形成至少两个介质雾喷雾,其中第一喷雾至少在喷雾点处或附近的第二介质雾喷雾中。 在喷雾形成期间,介质至少在用于形成每个喷雾的喷嘴的排出口之前和/或至少在喷雾彼此混合之前被设置成旋转运动。 介质在不同喷雾中的旋转方向彼此相反,从而实现了在大面积上扩散的优选均匀的雾喷雾。
    • 3. 发明授权
    • Spraying nozzles
    • 喷雾喷嘴
    • US3708119A
    • 1973-01-02
    • US3708119D
    • 1971-07-26
    • VICARD PIERRE G
    • VICARD P
    • B05B1/26B05B1/34B05B5/03B05B17/04
    • B05B1/3463B05B1/265B05B1/34B05B1/3426B05B1/3447B05B5/03
    • A spraying nozzle comprises a body formed with an inlet conduit to receive a fluid under pressure, a first circular chamber coaxial to the axis of the body, an outwardly opening cup-shaped second chamber also co-axial to the body and separated from the first chamber by a transverse wall having a central or first orifice, the open outer end of the second chamber forming the second orifice of the nozzle. The connection between the inlet conduit and the first chamber is so arranged that the fluid whirls within the latter and overflows through the first orifice into the second chamber wherein its angular velocity component decreases progressively while its axial velocity component increases. The frustro-conical spray issuing from the second orifice is thus of reduced conicity. The connecting means between the inlet conduit and the first chamber may be formed of a spiral helicoidal or tangential passage. The nozzle may comprise an inner member extending through both chambers and having a peripheral shoulder situated within the second chamber to form a screen above the first orifice. This inner member may terminate in a tip projecting from the nozzle, or it may be provided hollow so as to receive the body of another nozzle.