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    • 7. 发明公开
    • Actuator
    • Betätigungsvorrichtung。
    • EP0534786A1
    • 1993-03-31
    • EP92308770.4
    • 1992-09-25
    • SYSTEMS, MACHINES, AUTOMATION COMPONENTS CORPORATION
    • Neff, Edward A.Kanto, Eric V.
    • H02K41/035H01L21/00B23Q5/28
    • H02K41/035H02K41/0356H02K2201/18Y10T29/49133
    • An actuator for precisely moving and positioning a manufacturing component includes a housing on which a magnet is mounted. An electrical coil is wound around a coil piston which is slidingly mounted on the housing for movement within the magnetic field generated by the magnet. A rod, having a member for gripping the component, is attached for movement with the coil piston, and a source of electrical current is connected to the coil which is wrapped around the coil piston. In the operation of the actuator, a current is selectively passed through the coil. This current in the coil then moves the coil piston and the attached grip within the magnetic field to position the component as desired. Additionally, a position sensor can be mounted on the device to determine the location of the coil piston and a controller can be incorporated in the actuator to use this position determination for controlling movement of the coil piston and the attached grip.
    • 用于精确地移动和定位制造部件的致动器包括其上安装有磁体的壳体。 电线圈卷绕在线圈活塞上,该线圈活塞滑动地安装在壳体上以在由磁体产生的磁场内移动。 具有用于夹持部件的部件的杆被安装成与线圈活塞一起运动,并且电流源连接到缠绕在线圈活塞上的线圈。 在致动器的操作中,电流选择性地通过线圈。 线圈中的电流然后使线圈活塞和附接的把手在磁场内移动以根据需要定位部件。 此外,位置传感器可以安装在设备上以确定线圈活塞的位置,并且控制器可以被结合在致动器中以使用该位置确定来控制线圈活塞和附接的把手的运动。
    • 10. 发明公开
    • MOVING CORE LINEAR ACTUATOR
    • EP2595289A4
    • 2018-03-07
    • EP11806747
    • 2011-07-11
    • SINFONIA TECHNOLOGY CO LTD
    • NAKAGAWA HIROSHIFUJII TAKAYOSHIFUKUNAGA TAKASHI
    • H02K33/00F16F7/10H02K1/34H02K33/16
    • H02K41/035H02K1/34H02K33/16
    • To provide a movable iron core linear actuator capable of properly adjusting an offset position without any increase in manufacturing cost or device size. A movable iron core linear actuator includes a magnetic circuit (mc) which causes a moving element (2) to reciprocate. The magnetic circuit (mc) includes an iron core (20) constituting the moving element (2), a stator core (10) including a facing portion (10c) which faces the iron core (20), a pair of permanent magnets (12a, 12b) disposed in the facing portion (10c) along a reciprocating direction and having inverted magnetic poles at their surfaces which face the iron core, and a coil (11) wound around the stator core (10). Energization to coil (11) causes the moving element (2) to reciprocate. When the coil (11) is not energized, offset force (F4) is applied to the moving element (2) by the magnetic flux produced by the permanent magnets (12a, 12b). A space portion (30) having low magnetic permeability compared with the stator core (10) is provided in a state in which a part of the facing portion (10c) is removed in an area, which is a magnetic flux path, between a part of the facing portion (10c) of the stator core (10) and the permanent magnet (12b). Thus, an offset position which is a balanced point of the gravity (mg) acting on the moving element (2) and the offset force (F4) by the permanent magnets (12) is changed to a position (ps2) from a position (ps4) that is the offset position in a case in which no space portion (30) is provided.