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    ADAPTIVE FLOW CONTROL DEVICE FOR A FLOW OF A LIQUID, IN PARTICULAR FOR USE IN A COFFEE-MAKING MACHINE
    1.
    发明申请
    ADAPTIVE FLOW CONTROL DEVICE FOR A FLOW OF A LIQUID, IN PARTICULAR FOR USE IN A COFFEE-MAKING MACHINE 有权
    用于液体流动的自适应流量控制装置，特别是用于咖啡机中

    公开(公告)号：US20140041528A1

    公开(公告)日：2014-02-13

    申请号：US14112493

    申请日：2012-04-19

    申请人： Alfredo Vanni ,  Luca Bugnano ,  Alberto Cabilli ,  Giovanni Jacazio ,  Laura Gastaldi ,  Massimo Sorli

    发明人： Alfredo Vanni ,  Luca Bugnano ,  Alberto Cabilli ,  Giovanni Jacazio ,  Laura Gastaldi ,  Massimo Sorli

    IPC分类号： A47J31/46

    CPC分类号： A47J31/46 ,  F16K3/085 ,  F16K31/535 ,  G05D7/0126 ,  Y10T137/7761

    摘要： The device comprises a body (2-4) having an inlet passage (7) and an outlet passage (18) for the liquid, and wherein there is defined an internal cavity (8) which by means of a movable intermediate member (9, 12) is divided into a first and second chamber (10, 11) which are sealingly separated from one another, preferably by means of a diaphragm member (9). The first chamber (10) is adapted to be put into communication with the inlet passage (7); a resilient member (15) is provided in the second chamber (11) and tends to urge the movable member (9, 12) towards the first chamber (10). The movable member (9, 12) has an associated valve member (16) interacting with an associated valve seat (17) in such a way as to form a valve device (16-18) defining a first orifice with a variable passage cross section between the inlet passage (7) and the outlet passage (18). An adjustable throttle device (20) is positioned substantially in series with the first orifice, between the inlet passage (7) and the outlet passage (18).The aforesaid valve device (16-18) is positioned in the second chamber (11), and the inlet passage (7) is also connected to this second chamber. The adjustable throttle device (20) is positioned between the inlet passage (7) and the second chamber (11), upstream of the valve device (16-18).

    摘要翻译： 该装置包括具有用于液体的入口通道（7）和出口通道（18）的主体（2-4），并且其中限定有内部空腔（8），其通过可移动中间构件 12）被分成彼此密封地分离的第一和第二腔室（10,11），优选地通过隔膜构件（9）。 第一室（10）适于与入口通道（7）连通; 弹性构件（15）设置在第二腔室（11）中并且倾向于朝着第一腔室（10）推动可动构件（9,12）。 活动构件（9,12）具有与相关联的阀座（17）相互作用的相关联的阀构件（16），以便形成限定具有可变通道横截面的第一孔的阀装置（16-18） 在入口通道（7）和出口通道（18）之间。 可调式节流装置（20）在入口通道（7）和出口通道（18）之间基本上与第一孔口串联布置。 上述阀装置（16-18）位于第二室（11）中，并且入口通道（7）也连接到该第二室。 可调节流装置（20）位于入口通道（7）和第二室（11）之间，位于阀装置（16-18）的上游。