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    • 3. 发明专利
    • Variable orifice pressure-controlled flow rate controller
    • 可变压力控制流量控制器
    • JP2013228950A
    • 2013-11-07
    • JP2012101662
    • 2012-04-26
    • Fujikin Inc株式会社フジキン
    • DOI RYOSUKENISHINO KOJISAWADA YOHEIIKEDA SHINICHI
    • G05D7/06F16K7/16F16K31/04F16K31/524
    • G05D7/0647F16K7/16F16K31/04F16K31/52491Y10T137/87917
    • PROBLEM TO BE SOLVED: To provide a variable orifice pressure-controlled flow rate controller capable of instantly switching flow rate control ranges by changing orifice aperture of a variable orifice and significantly reducing time required for a controlled flow rate to be established in a low flow rate region.SOLUTION: A variable orifice pressure-controlled flow rate controller includes a pressure control unit 1a and a variable orifice unit 1b, and a flow rate of fluid flowing through an orifice of the variable orifice unit is computed as Q=KP, where Prepresents pressure on the upstream of the orifice and K represents a constant. The orifice comprises a ring-shaped gap between a valve seat and a diaphragm of a direct touch type metal diaphragm valve. A flow rate control range is switched to another range and the flow rate is controlled within a selected flow rate control range by changing a flow rate setting signal Qs to a flow rate arithmetic control section 4a of the pressure control unit and an orifice aperture setting signal Qz to an orifice aperture arithmetic control section 4b of the variable orifice unit.
    • 要解决的问题:提供一种可变孔口压力控制流量控制器,其能够通过改变可变孔口的孔口而立即切换流量控制范围,并显着减少在低流量下建立受控流速所需的时间 区域。解决方案:可变节流孔压力控制流量控制器包括压力控制单元1a和可变孔单元1b,并且计算流过可变孔单元的孔口的流体的流量为Q = KP,其中, 孔口上游的压力和K代表常数。 孔口包括在阀座和直接触摸式金属隔膜阀的隔膜之间的环形间隙。 将流量控制范围切换到另一范围,并且通过将流量设定信号Qs改变为压力控制单元的流量运算控制部4a和孔口设定信号,将流量控制在所选流量控制范围内 Qz到可变孔单元的孔口运算控制部分4b。
    • 4. 发明专利
    • Fluid control valve
    • 流体控制阀
    • JP2012229755A
    • 2012-11-22
    • JP2011098743
    • 2011-04-26
    • Ckd CorpCkd株式会社
    • NAGAI KIYOSHI
    • F16K31/524F16K7/16F16K31/04F16K31/122F16K31/60
    • F16K31/52491F16K7/16
    • PROBLEM TO BE SOLVED: To reduce a torque required for opening and closing a fluid control valve.SOLUTION: This fluid control valve 1 includes a combination in which a cam member 6 connected to a knob 20 is interposed between the knob 20 and a piston 10 and either (1) recessed cam surfaces 62 are formed in the contact end face 66 of the cam member 6 that is in contact with the piston 10, and a projecting piston engagement part 101 is formed on the part of the piston 10 that is in contact with the cam face 62 or (2) projecting cam faces 62 are formed on the contact end face 66 of the cam member 6 that is in contact with the piston 10, and a recessed piston engagement part 101 is formed in the part of the piston 10 that is in contact with the cam face 62.
    • 要解决的问题:减少打开和关闭流体控制阀所需的扭矩。 解决方案:该流体控制阀1包括其中连接到旋钮20的凸轮构件6插入在把手20和活塞10之间的组合,并且(1)凹入的凸轮表面62形成在接触端面 与活塞10接触的凸轮部件6,66形成在活塞10的与凸轮面62接触的部分上,或者凸起面62形成突出的活塞接合部101 在与活塞10接触的凸轮构件6的接触端面66上形成凹部活塞接合部101,该活塞接合部101与活塞10的与凸轮面62接触的部分形成。 (C)2013,JPO&INPIT
    • 7. 发明专利
    • Cam type valve
    • 凸轮型阀
    • JP2008057594A
    • 2008-03-13
    • JP2006232906
    • 2006-08-30
    • Fujikin Inc株式会社フジキン
    • DOI RYOSUKENISHINO KOJIIKEDA SHINICHISAWADA YOHEI
    • F16K31/524F16K1/00F16K7/16F16K31/04F16K41/10
    • F16K31/04F16K7/16F16K31/52491
    • PROBLEM TO BE SOLVED: To simply and easily conduct zero-point adjustment of a valve by finely adjusting an actuator consisting of a stepping motor and a cam mechanism in a vertical direction.
      SOLUTION: In the cam type valve 1 of a stepping motor driving type, a stem 7 is provided in a vertically movable manner in a body 2 having an inflow passage 2a, an outflow passage 2b, a valve chamber 2c and a valve seat 2d. The stem 7 is lowered by the actuator consisting of a stepping motor 9 provided above the stem 7 and the cam mechanism 10 for converting rotation motion of the stepping motor 9 into a linear motion and transmitting it to the stem 7 and a diaphragm 3 provided in the valve chamber 2c or a valve element 30 provided at a lower end part of the stem 7 is seated to the valve seat 2d. In this case, a lifting and lowering support mechanism 11 for liftably supporting the actuator is provided for a hood 5 covering the valve chamber 2c of the body 2 is provided and a height fine adjustment mechanism 12 for finely adjusting a height position of the actuator for the stem 7 is provided for the lifting and lowering support mechanism 11.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:通过在垂直方向上精细地调节由步进电机和凸轮机构组成的致动器,简单且容易地进行阀的零点调整。 解决方案:在步进电动机驱动型的凸轮型阀1中,杆7以可移动的方式设置在具有流入通道2a,流出通道2b,阀室2c和阀门的主体2中 座位2d。 杆7通过由设置在杆7上方的步进马达9和用于将步进马达9的旋转运动转换为直线运动并将其传递到杆7的凸轮机构10的致动器和设置在杆7中的隔膜3 设置在杆7的下端部的阀室2c或阀元件30就座于阀座2d。 在这种情况下,提供了用于可升降地支撑致动器的提升和下降支撑机构11,用于覆盖主体2的阀室2c的罩5和用于精细调节致动器的高度位置的高度精细调节机构12 为提升和下降支撑机构11设置杆7.版权所有(C)2008,JPO&INPIT