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    • 2. 发明公开
    • Flow reversing valve and heat pump device using the same
    • Stromumkehrventil和Wärmepumpedamit
    • EP2375116A1
    • 2011-10-12
    • EP11002293.6
    • 2011-03-21
    • Fujikoki Corporation
    • Satou, Masaya
    • F16K31/124
    • F16K31/124F16K11/044F16K15/186F16K31/041F16K31/055Y10T137/7762Y10T137/87249
    • A flow reversing valve comprises: a reversing valve main body 2 adapted to be capable of assuming a first circulatory state in which a first main valve part 10A is in a fully open state and a second main valve part 10B is in a fully closed state and a second circulatory state in which the first main valve part 10A is in a fully closed state and the second main valve part 10B is in a fully open state; and a flow regulating valve 3'adapted to regulate the pressures of the respective back pressure chambers 17A and 17B of the first main valve part 10A and the second main valve part 10B. The flow regulating valve 3 places the reversing valve main body 2 in the first circulatory state by gradually reducing the pressure of the back pressure chamber 17A of the first main valve part 10A, and in the second circulatory state by gradually reducing the pressure of the back pressure chamber 17B of the second main valve part 10B.
    • 逆流阀包括:换向阀主体2,其适于能够呈现第一主阀部10A处于完全打开状态的第一循环状态和第二主阀部10B处于完全关闭状态, 第一主阀部10A处于完全关闭状态,第二主阀部10B处于完全打开状态的第二循环状态; 以及流量调节阀3,其被配置为调节第一主阀部10A和第二主阀部10B的各背压室17A,17B的压力。 流量调节阀3通过逐渐降低第一主阀部10A的背压室17A的压力而使反转阀主体2处于第一循环状态,并且通过逐渐减小背部的压力而将第二循环状态 第二主阀部10B的压力室17B。
    • 3. 发明公开
    • Flow rate regulating valve
    • 流量控制阀
    • EP2103852A3
    • 2009-11-04
    • EP09155555.7
    • 2009-03-19
    • Fujikoki Corporation
    • Tamura, YoukoSatou, MasayaUmezawa, Hitoshi
    • F16K11/085
    • F16K11/0856F16K5/0492
    • The invention provides a compactly structured flow rate regulating valve, in which reduction of the number of parts, improvement of an assembling workability, cost reduction, downsizing, weight saving and the like can be achieved, and frictional resistance and abrasion between a valve body can be reduced and a valve main body as much as possible, so that abrasion powder can be prevented from mixing into fluid. A flow rate regulating valve is provided with a valve main body (10) having, a cylindrical valve chamber (14) with a ceiling portion (35), at least one side portion port (11, 12) which is open at the valve chamber (14), and a bottom portion port (13) which is open coaxially with the valve chamber (14), and a lower end opened cylindrical valve body (20) rotatably installed in the valve chamber (14) of the valve main body (10), and provided with an opening portion (30) having a predetermined shape in a peripheral wall portion (22) for changing an opening area of the side portion ports (11, 12) in accordance with a rotation. The valve body (20) is installed from the bottom portion port (13), a rotating shaft (25) provided in a protruding manner at a ceiling portion (23) of the valve body (20) protrudes from a bearing hole (36) of the valve main body (10) in this installed state, and a valve body locking device (40), which allows rotation of the valve body (20) but prevents the valve body from coming off downward, is installed at a protruded portion of the rotating shaft (25) from the valve main body (10).
    • 6. 发明公开
    • Flow rate regulating valve
    • 流量调节阀
    • EP2103852A2
    • 2009-09-23
    • EP09155555.7
    • 2009-03-19
    • Fujikoki Corporation
    • Tamura, YoukoSatou, MasayaUmezawa, Hitoshi
    • F16K11/085
    • F16K11/0856F16K5/0492
    • The invention provides a compactly structured flow rate regulating valve, in which reduction of the number of parts, improvement of an assembling workability, cost reduction, downsizing, weight saving and the like can be achieved, and frictional resistance and abrasion between a valve body can be reduced and a valve main body as much as possible, so that abrasion powder can be prevented from mixing into fluid. A flow rate regulating valve is provided with a valve main body (10) having, a cylindrical valve chamber (14) with a ceiling portion (35), at least one side portion port (11, 12) which is open at the valve chamber (14), and a bottom portion port (13) which is open coaxially with the valve chamber (14), and a lower end opened cylindrical valve body (20) rotatably installed in the valve chamber (14) of the valve main body (10), and provided with an opening portion (30) having a predetermined shape in a peripheral wall portion (22) for changing an opening area of the side portion ports (11, 12) in accordance with a rotation. The valve body (20) is installed from the bottom portion port (13), a rotating shaft (25) provided in a protruding manner at a ceiling portion (23) of the valve body (20) protrudes from a bearing hole (36) of the valve main body (10) in this installed state, and a valve body locking device (40), which allows rotation of the valve body (20) but prevents the valve body from coming off downward, is installed at a protruded portion of the rotating shaft (25) from the valve main body (10).
    • 本发明提供一种结构紧凑的流量调节阀,其能够实现部件数量的减少,组装操作性的提高,成本降低,尺寸减小,轻量化等,并且能够实现阀体罐之间的摩擦阻力和磨损 并尽可能减小阀主体,以防止磨损粉末混入流体中。 流量调节阀具有阀主体(10),该阀主体(10)具有:具有顶部(35)的圆筒状的阀室(14);至少一个侧部开口(11,12),其在阀室 (14)以及与所述阀室(14)同轴开口的底部端口(13),以及可旋转地安装在所述阀主体(14)的所述阀室(14)中的下端开口圆柱形阀体(20) 并且在周壁部分22上设置有具有预定形状的开口部分30,用于根据旋转改变侧部端口11,12的开口面积。 阀体(20)从底部端口(13)安装,在阀体(20)的顶部(23)突出设置的旋转轴(25)从轴承孔(36)突出, 在该安装状态下的阀主体10的突出部设置有阀体锁定装置40,该阀体锁定装置40允许阀体20的旋转而防止阀体向下脱落, 来自阀主体(10)的旋转轴(25)。