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    • 4. 发明申请
    • Self-closing valve with adjustable activation
    • 自动关闭阀,可自由调节
    • US20070031266A1
    • 2007-02-08
    • US11489786
    • 2006-07-20
    • Roberto Amaduzzi
    • Roberto Amaduzzi
    • F04B49/00
    • F16K21/12B08B3/026
    • The valve (1) exhibits an external body (2) affording an internal cavity (3) which terminates externally of the external body (2) with an outlet section (4) and an inlet section (5). A piston (7) is slidingly and sealedly housed inside the cavity (3), and defines a first chamber (8) and a second chamber (9) therein. The piston (7) internally exhibits a channel (11) communicating with the first chamber (8), through a first hole (12), and the second chamber (9), through a second hole (13). Internally of the channel (11) the piston (7) exhibits means for intercepting the fluid (15) for slowing fluid passage from the first chamber (8) to the second chamber (9).
    • 阀(1)具有提供内部空腔(3)的外部主体(2),该内部空腔(3)具有出口部分(4)和入口部分(5)的外部主体(2)的外部。 活塞(7)滑动并密封地容纳在空腔(3)内,并且在其中限定第一室(8)和第二室(9)。 活塞(7)内部表现出通过第一孔(12)和第二腔室(9)通过第二孔(13)与第一腔室(8)连通的通道(11)。 在通道(11)的内部,活塞(7)具有用于拦截流体(15)的装置,用于减缓从第一室(8)到第二室(9)的流体通道。
    • 7. 发明授权
    • Multi-function head for high-pressure water gun, in particular for water cleaning machines
    • 多功能水头用于高压水枪,特别适用于水清洗机
    • US07175107B2
    • 2007-02-13
    • US10910610
    • 2004-08-04
    • Roberto Amaduzzi
    • Roberto Amaduzzi
    • B05B3/06
    • B05B3/0463
    • The high-pressure multi-function head especially for water-cleaning machines comprises a first main body which exhibits a conduit for a washing liquid, extending along a longitudinal axis from an inlet to an outlet and a portion having a narrowed transversal section; a nozzle housed in the conduit; an auxiliary body inserted in the conduit and constituting a frustoconical seating for a front end of the nozzle; means for conveying the washing liquid interpositioned between the inlet and the portion having a narrowed transversal section and forming upstream of the nozzle at least one oblique jet with respect to the longitudinal axis in order to give the nozzle a rotating and conical motion with a vertex in the frustoconical seating; and means for regulating a trim of the head for translating the auxiliary body and the nozzle along the longitudinal axis between a retracted first operating position for obtaining a high-pressure rotating jet, an intermediate second operating position, for obtaining a high-pressure fixed jet, and an advanced third operating position, for obtaining a low-pressure fixed jet.
    • 特别是用于水洗机的高压多功能头包括:第一主体,其具有沿着纵向轴线从入口延伸到出口的洗涤液导管和具有变窄的横截面的部分; 安装在导管中的喷嘴; 辅助体插入导管中并构成用于喷嘴前端的截头圆锥形座; 用于输送插入入口​​和具有变窄的横截面部分的部分之间的洗涤液体的装置,并且在喷嘴的上游形成相对于纵向轴线的至少一个倾斜射流,以便使喷嘴具有旋转和圆锥形运动,其中顶点 截头圆锥座; 以及用于调节头部的装置的装置,用于在辅助主体和喷嘴之间沿着纵向轴线在用于获得高压旋转射流的缩回的第一操作位置之间平移辅助主体和喷嘴,中间第二操作位置用于获得高压固定喷射 ,以及用于获得低压固定射流的先进的第三操作位置。