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    • 11. 发明授权
    • 위치검출기능을 가진 스위칭밸브
    • 위치검출기능을가진스위칭밸브
    • KR100378438B1
    • 2003-03-29
    • KR1020000039466
    • 2000-07-11
    • 에스엠시 가부시키가이샤
    • 하야시분야이시카와마코토
    • F16K13/00
    • F15B13/0402F15B15/2861F15B2013/0409Y10T137/8242Y10T137/86614Y10T137/86622Y10T137/87885
    • A directional control valve is provided having a position detecting function, capable of detecting the operating positions of the valve member over the whole stroke thereof without using a magnet and a magnetic sensor as in the conventional art. To achieve this, a position detection mechanism 20 for detecting operating positions of a spool 6 comprises a detection coil 21 disposed on a casing 4 and generating an alternating magnetic field, a detection head 23 mounted on a piston 12b and changing the impedance of the detection coil 21 by approaching or moving away from the detection coil 21 in the alternating magnetic field, and a signal processing circuit 22 applying an alternating voltage to the detection coil 21 and detecting operating positions of the spool 6 from the change in impedance of the detection coil 21.
    • 提供一种具有位置检测功能的方向控制阀,该方向控制阀能够在不使用传统技术中的磁体和磁性传感器的情况下在整个行程上检测阀部件的操作位置。 为了实现这一点,用于检测线轴6的操作位置的位置检测机构20包括设置在壳体4上并产生交变磁场的检测线圈21,安装在活塞12b上并且改变检测的阻抗的检测头23 线圈21通过在交变磁场中接近或远离检测线圈21而移动,信号处理电路22向检测线圈21施加交流电压,并根据检测线圈的阻抗变化来检测线圈6的工作位置 21.< IMAGE>
    • 12. 发明授权
    • 위치검출기능을 가진 파일럿식 스위칭 밸브
    • 위치검출기능을가다파일럿스위칭칭
    • KR100378435B1
    • 2003-03-29
    • KR1020000040140
    • 2000-07-13
    • 에스엠시 가부시키가이샤
    • 하야시분야이시카와마코토
    • F16K13/00
    • F15B15/2807F15B13/0402F15B2013/0409Y10T137/8242Y10T137/8326Y10T137/86614Y10T137/8663
    • The present invention provides a simply constructed pilot operated directional control valve having a position detecting function which is capable of detecting operating positions of a valve member such as a spool 6 by utilising a light sensor. To achieve this, an object to be detected 21 is formed on an end face of a piston 12a adjacent to a breathing chamber 9. A recess 22 in which the object to be detected 21 fits is disposed in the wall surface of the breathing chamber 9 in a casing 4. An optical sensor 25 is mounted in a position facing the recess 22 in the casing 4 for projecting and receiving light relative to the object to be detected 21 through a through hole 23, whereby operating positions of the piston 12a, or the spool 6, are detected based on the light reflected from the object to be detected 21.
    • 本发明提供一种具有位置检测功能的简单构造的先导式方向控制阀,其能够通过利用光传感器检测阀芯6如阀芯6的工作位置。 为此,在与呼吸室9相邻的活塞12a的端面上形成检测对象21.在呼吸室9的壁面配置有供检测对象物21嵌合的凹部22 在壳体4的与凹部22对置的位置上安装有光传感器25,该光传感器25通过贯通孔23相对于被检测体21进行投光接收,从而使活塞12a的工作位置 基于从被检测体21反射的光来检测卷轴6。
    • 19. 发明公开
    • 디텐트 기구 부착 더블 솔레노이드 밸브
    • 具有确定机构的双电磁阀
    • KR1020150026855A
    • 2015-03-11
    • KR1020140108885
    • 2014-08-21
    • 에스엠시 가부시키가이샤
    • 하야시분야마츠무라켄이치
    • F16K11/07F16K31/34F16K27/04F16K31/06
    • F16K31/426F16K11/0704Y10T137/86614
    • The present invention relates to a double solenoid valve with a detent mechanism. A detent mechanism to improve staying power at each switching position of a valve member having two switching positions includes a ring-shaped accommodation groove formed at one side between an inner circumference of a valve hole and an outer circumference of the valve member; a ring-shaped high ground portion formed at the other side; and a ring-shaped detent member accommodated inside the accommodation groove, wherein the accommodation groove includes left and right side groove walls and low groove walls parallel to each other, the detent member includes left and right side wall portions formed with material having rubber elasticity to face the side groove walls of the accommodation groove, and a protrusion portion protruded from the accommodation groove, and locking portions having the protrusion portion of the detent member elastically locked at the two switching positions are respectively formed at both ends of the high ground portion in the shaft line direction.
    • 本发明涉及具有制动机构的双电磁阀。 一种用于提高具有两个切换位置的阀构件的每个切换位置处的停留力的制动机构包括形成在阀孔的内周与阀构件的外周之间的一侧的环形的容纳槽; 在另一侧形成的环形高地面部分; 以及容纳在所述容纳槽内的环状的止动构件,其中所述容纳槽包括左右侧槽壁和彼此平行的低槽壁,所述止动构件包括由具有橡胶弹性的材料形成的左侧壁部和右侧壁部, 面对容纳槽的侧槽壁和从容纳槽突出的突出部分,并且具有弹性锁定在两个切换位置的止动构件的突出部分的锁定部分分别形成在高地面部分的两端 轴线方向。