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    • 1. 发明申请
    • POWER CYLINDER WITH INTERNALLY MOUNTED POSITION INDICATOR
    • 带有内部安装位置指示器的动力缸
    • WO1981003679A1
    • 1981-12-24
    • PCT/US1981000798
    • 1981-06-15
    • FOXWELL W
    • F01B25/26
    • F15B15/2823E05Y2400/328
    • Fluid pressure actuator is disclosed of the piston and cylinder type (16, 32), in which an internally mounted transducer (70) is incorporated for providing an electrical output signal corresponding to the position of the piston (32) in the cylinder (16). The transducer is disclosed as a rotary potentiometer having a disc or drum element (144) provided with conductive plastic tracks (88) and a rotary wiper element (80) rotated in correspondence with the linear travel of the piston rod (36) and caused to rotate in one embodiment by means of a cam bushing (76) engaging the cam rod, and in other embodiments by three converging spring biased plungers (120) carried in the piston engaging respective sides of a hexagonal shaped cam rod. Other disclosed arrangements include a reduction drive (102, 108) interposed between the cam element and the rotary wiper to enable a multi-turn cam element to be employed with a single turn potentiometer disc, and a multi-turn drum potentiometer having a wiper element driven by the cam rod engaging a helical thread (168) form to be axially advanced by the piston motion.
    • 公开了活塞和气缸类型(16,32)的流体压力致动器,其中结合有内部安装的换能器(70),用于提供对应于气缸(16)中的活塞(32)的位置的电输出信号, 。 传感器被公开为具有旋转电位计,其具有设置有导电塑料轨道(88)的盘或鼓元件(144)和与活塞杆(36)的线性行程相对应地旋转的旋转刮刀元件(80),并且使得 在一个实施例中,通过与凸轮杆接合的凸轮衬套(76)旋转,并且在其它实施例中,通过承载在活塞中的三个会聚弹簧偏置柱塞(120)与六角形凸轮杆的相应侧面接合。 其它所公开的布置包括介于凸轮元件和旋转擦拭器之间的减速驱动器(102,108),以使多圈转动凸轮元件能够与单圈电位器盘一起使用,并且具有刮水元件的多圈滚筒电位器 由通过活塞运动轴向前进的螺旋螺纹(168)形式的凸轮杆驱动。
    • 2. 发明申请
    • WIRKZYLINDERSENSOR
    • 针筒SENSOR
    • WO2012151708A1
    • 2012-11-15
    • PCT/CH2012/000101
    • 2012-05-09
    • MUELLER, Peter A.
    • MUELLER, Peter A.
    • F15B15/28
    • F15B15/283F15B15/2823
    • Die Erfindung betrifft einen im Wirkzylinder (1) einschraubbaren, Sensor (10), welcher entweder druckdicht ist und die Sensoröffnung (11) mittels eines Dichtrings (11a) zugleich gegen Leckage dichtet oder eine Einlage (27) im Wirkzylinder (1) als Dichtmittel wirkt und die Sensorspitze (10a) den im Wirkzylinder eingelassenen Abtastelement (7) detektiert und am Abtastelement (7) eine Feder (6), sowie ein Seilzugmittel (3) oder eine Spindel (21) angebracht ist und mittels des Drehlagers (28) ein Verdrehen der Kolbenstange (9) keinen Einfluss auf das Seilzugmittel (3) hat.
    • 本发明涉及一种有源气缸(1)中可拧紧,传感器(10),其或者是压力密封的,并且传感器孔(11)通过在防渗漏或活性气缸中的插入件(27)同时密封件的密封环(11A)的装置(1),为密封装置的行为 和传感器尖端(10A)检测嵌入在所述工作气缸感测元件(7)和所述扫描元件(7)具有一个弹簧(6),和一个字符串拉装置(3)或心轴(21)安装,并通过从扭转枢轴轴承(28)的装置 所述活塞杆(9)不会影响电缆的装置(3)。
    • 4. 发明申请
    • LINEAR ACTUATOR WITH ROTARY POSITIONAL OUTPUT
    • 线性执行器与旋转位置输出
    • WO2017041140A1
    • 2017-03-16
    • PCT/AU2016/050847
    • 2016-09-09
    • JINDEX PTY LIMITED
    • FOWLER, Stephen FrancisGORDON, MitchellTAYLOR, David John Buchanon
    • F15B15/28
    • F15B15/283F15B15/2815F15B15/2823
    • This invention provides a linear actuator with a cylinder defining a cylinder axis. A piston is movable within the cylinder along the cylinder axis, and a piston rod extends axially from the piston for connection to a mechanism whereby in use, movement of the piston actuates the mechanism. A rotary output mechanism includes a rotary output element extending generally transversely from the cylinder and supported for rotation about an output axis generally normal to the cylinder axis. The rotary output mechanism is responsive to movement of the piston, and the rotary output element is adapted for operative engagement with an instrument mounted to the cylinder such that axial movement of the piston effects a corresponding rotational displacement of the rotary output element, whereby in use the instrument provides an output signal indicative of the position of the piston within the cylinder.
    • 本发明提供了一种具有限定汽缸轴线的汽缸的线性致动器。 活塞可沿气缸轴线在气缸内移动,并且活塞杆从活塞轴向延伸以连接到机构,由此在使用中,活塞的运动致动机构。 旋转输出机构包括旋转输出元件,该旋转输出元件大体上横贯于圆柱体延伸并且被支撑以围绕大致垂直于圆柱体轴线的输出轴线旋转。 旋转输出机构响应于活塞的移动,并且旋转输出元件适于与安装到气缸的仪器进行操作接合,使得活塞的轴向运动影响旋转输出元件的相应旋转位移,从而在使用中 仪器提供指示活塞在气缸内的位置的输出信号。
    • 7. 发明申请
    • FLUID-POWERED PRECISION OSCILLATOR
    • 流体动力精密振荡器
    • WO1990008904A1
    • 1990-08-09
    • PCT/SE1990000030
    • 1990-01-15
    • ARCOS HYDRAULIK ABERICSON, JanÅHLANDER, Ulf
    • ARCOS HYDRAULIK AB
    • F15B15/04
    • B05B3/14F01L25/08F15B15/2823
    • The present invention relates to a fluid-powered precision oscillator having a cylindrical housing (3), a piston (9) displaceable in the housing and connected to a piston rod (8) extended through a front end wall (4) of the housing and a control means (11, 16, 22, 24) for automatically reversing the direction of movement of the piston and piston rod. According to the invention the piston rod (8) is hollow, a screw (11) being rotatably journalled in a rear end wall (5) of the housing (3) extends with a first end thereof into the hollow piston rod (8) and engages a nut (16) being fixed to the piston rod (8) and the screw at its other end carries a toothed code disk (22) cooperating with a reading fork (24) for feeding pulses corresponding to the movement of the piston (9) and of the piston rod (8) to a control circuit which in turn emits signals for actuating the oscillator (1) in dependence upon the pulses fed into the circuit.
    • 本发明涉及一种具有圆柱形壳体(3)的流体动力精密振荡器,可在壳体中移动并连接到延伸穿过壳体的前端壁(4)的活塞杆(8)的活塞(9),以及 用于自动地反转活塞和活塞杆的运动方向的控制装置(11,16,22,24)。 根据本发明,活塞杆(8)是中空的,可旋转地轴颈安装在壳体(3)的后端壁(5)中的螺钉(11)的第一端延伸到中空活塞杆(8)中, 接合固定到活塞杆(8)的螺母(16),并且在其另一端的螺钉承载与读取叉(24)配合的齿形码盘(22),用于馈送对应于活塞(9)的运动的脉冲 )和活塞杆(8)连接到控制电路,控制电路又根据馈送到电路中的脉冲发射用于致动振荡器(1)的信号。