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    • 5. 发明申请
    • Controller
    • 控制器
    • US20060076528A1
    • 2006-04-13
    • US10537250
    • 2003-10-31
    • Ichiro TokudaKenji TsubotaMichio YamajiTsutomu Shinohara
    • Ichiro TokudaKenji TsubotaMichio YamajiTsutomu Shinohara
    • F16K31/12
    • F16K31/52491F16K31/163F16K31/52408Y10T74/18992
    • Force amplifying means 5 comprises a tapered member 41 extending vertically downward from the lower end of an operating rod 3, a disk member 42 provided at-the upper end of a valve stem 16, and front and rear pivotal members 43, 44 arranged between the two members 41, 42 and opposed to each other with the tapered member 41 positioned therebetween, the pivotal members 43, 44 being pivotally movable about respective pivots 45, 46. Each of the pivotal members 43, 44 has a plate body 43a, 44a, an upper contact face 43b, 44b formed on an upper portion of the body and in bearing contact with a tapered face of the tapered member 41, and a lower contact face 43c, 44c formed on a lower portion of the body and bearing on the upper surface of the disk member 42. The lower contact face 43c, 44c of each pivotal member is in the form of a circular-arc cam face centered about a center line positioned away from the axis of the pivot 45, 46.
    • 力放大装置5包括从操作杆3的下端垂直向下延伸的锥形构件41,设置在阀杆16的上端的盘构件42,以及布置在操作杆3的下端之间的前和后枢转构件43,44。 两个构件41,42并且彼此对准,锥形构件41位于它们之间,枢转构件43,44可围绕各自的枢轴45,46枢转运动。每个枢转构件43,44具有板体43a,44 a,形成在本体的上部并与锥形构件41的锥面接触的上接触面43b,44b,以及形成在锥形构件41的下部的下接触面43c,44c 主体和轴承在盘构件42的上表面上。每个枢转构件的下接触面43c,44c是以围绕枢轴的轴线定位的中心线为中心的圆弧凸轮面的形式 45,46。
    • 7. 发明申请
    • Rotary valve actuator
    • 旋转阀执行器
    • US20040036050A1
    • 2004-02-26
    • US10446948
    • 2003-05-28
    • David C. KergDavid Manacapelli
    • F16K031/44
    • F16K7/16F16K31/50F16K31/52491F16K41/12
    • A rotary actuator for a valve includes a cam mechanism for transmitting opening force to a movable valve member to move the valve member off a valve seat, against the bias of a closing spring. The cam mechanism does not transmit spring force to the valve member when the valve member is being moved to the closed position or is in the closed position. Also, the parts of the cam mechanism have a large surface area of contact when the valve is in the open position, to minimize unit loading of the cam surfaces. The movable cam is movable axially relative to the actuator handle. The movable valve member is blocked from rotation relative to the valve body. The cam mechanism does not transmit spring force to the movable valve member when the valve member is in the closed position.
    • 用于阀的旋转致动器包括用于将打开力传递到可移动阀构件的凸轮机构,以克服闭合弹簧的偏压将阀构件移离阀座。 当阀构件被移动到关闭位置或处于关闭位置时,凸轮机构不向阀构件传递弹簧力。 此外,当阀处于打开位置时,凸轮机构的部件具有大的接触表面积,以最小化凸轮表面的单元负载。 可移动凸轮相对于致动器手柄轴向移动。 可移动阀构件相对于阀体被阻止旋转。 当阀构件处于关闭位置时,凸轮机构不向可动阀构件传递弹簧力。
    • 8. 发明授权
    • Pinch tube proportioning valve and control cam cartridge therefor
    • 夹管配比阀和控制凸轮盒
    • US5490536A
    • 1996-02-13
    • US393430
    • 1995-02-23
    • George S. ColeHarry W. Edwards
    • George S. ColeHarry W. Edwards
    • F16K11/02F16K11/14F16K31/524F16K43/00
    • F16K31/52491F16K11/027F16K11/14Y10T137/6103Y10T137/86815Y10T137/87088Y10T137/87692
    • A pinch tube proportioning valve includes support structure defining an elongated valve cavity having a longitudinal axis and a pair of spaced resilient valve tubes disposed in the cavity and respectively providing communication between two fluid supply conduits and a fluid outlet. A control cam cartridge is receivable in the valve cavity between the valve tubes. The cartridge includes a cylindrical housing closed at one end and carrying at its closed end a guide pin extending axially up through the housing and receivable in an axial bore in an elongated tapered cam member, which is telescopically received in the open end of the housing. Diametrically opposed openings are formed in the side wall of the housing for receiving the valve tubes to permit engagement thereof by the cam member, which is axially and rotatably movable to control proportioning and flow rate through the valve tubes.
    • 夹管配比阀包括限定具有纵向轴线的细长阀腔和设置在空腔中并分别提供两个流体供应管道和流体出口之间的连通的一对间隔开的弹性阀管的支撑结构。 控制凸轮盒可以接纳在阀管之间的阀腔中。 该盒包括一个在一端封闭的圆柱形壳体,并在其封闭端承载一个引导销,该引导销沿轴向向上延伸穿过该壳体,并可在可伸缩地容纳在壳体的开口端的细长锥形凸轮构件中的轴向孔中接收。 在壳体的侧壁中形成有直径相对的开口,用于接收阀管,以允许通过凸轮构件进行接合,凸轮构件可轴向和可旋转地移动以控制通过阀管的比例和流速。