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    • 2. 发明公开
    • TWO-STEP DE-ICING NOZZLE
    • 两步去除喷嘴
    • EP2454022A1
    • 2012-05-23
    • EP09786637.0
    • 2009-07-17
    • VESTERGAARD COMPANY A/S
    • SVANEBJERG, Elo
    • B05B1/16B05B1/32
    • B05B1/323B05B1/265B05B1/3033B05B1/3073
    • A nozzle for a spray gun comprises a fixed assembly and a displaceable assembly; the fixed assembly comprising a tubular nozzle housing (1) having an inlet end (2) connectable to a fluid supply, and having an outlet end (3) and a flow passage extending from the inlet end (2) to the outlet end (3), the displaceable assembly comprising a pressure regulating mechanism arranged in said flow passage at the outlet end (3) in order to control the nozzle pressure Said mechanism comprises a stem (6); a baffle (7) mounted for axial displacement on said stem (6) in said flow passage defining a nozzle gap (20) between said baffle (7) and the housing (1). The fixed assembly further comprises means (12) to distribute a passing fluid flow and to support a second end (6b) of the stem and the means are fixed inside the housing (1 ), said means (12) further being adapted to fixedly receive a valve cone (5) connectable to an axially displaceable fluid supply tube (8) for supplying a fluid. First biasing means (10) adjust the maximum baffle displacement at a first flow rate interval and second biasing means (14) supplement said first biasing means (10) at a second flow rate interval, counteracting additional fluid pressure on the baffle (7).
    • 用于喷枪的喷嘴包括固定组件和可移位组件; 所述固定组件包括具有可连接到流体供应的入口端(2)并且具有出口端(3)和从入口端(2)延伸到出口端(3)的流动通道的管状喷嘴壳体(1) ),所述可移位组件包括布置在出口端(3)处的所述流动通道中以调节喷嘴压力的压力调节机构。所述机构包括杆(6); 安装成在所述流动通道中在所述杆(6)上轴向位移以限定所述挡板(7)与所述壳体(1)之间的喷嘴间隙(20)的挡板(7)。 固定组件还包括用于分配通过的流体流并且支撑杆的第二端部(6b)并且该装置固定在壳体(1)内部的装置(12),所述装置(12)还适于固定地接收 阀锥(5),其可连接到用于供应流体的可轴向移位的流体供应管(8)。 第一偏置装置(10)在第一流速间隔处调节最大挡板位移,第二偏置装置(14)以第二流速间隔补充所述第一偏置装置(10),抵消挡板(7)上的附加流体压力。