Shaft-type linear motor
    2.
    发明授权
    Shaft-type linear motor 有权
    轴式直线电机

    公开(公告)号:US5990583A

    公开(公告)日:1999-11-23

    申请号:US189351

    申请日:1998-11-09

    摘要: An image reading apparatus comprising a fluorescent lamp for lighting an original document; an inverter circuit for turning on the lamp; a plurality of optical part carrying sliders carrying the lamp on one of the sliders; and a magnetic encoder including a magnetism detecting element, wherein the detecting element and the inverter circuit (and an operation panel having a LCD) are spaced from each other and are located at opposite sides of a center of a travel region of the sliders.A shaft-type linear motor comprising a yoke stationarily arranged along the moving direction of a movable piece and made of a ferromagnetic material.A shaft-type linear motor comprising a shaft-type stator and a movable piece reciprocatable along the stator, wherein the stator and the movable piece are covered with a protection cover. The cover may be made of a ferromagnetic material.

    摘要翻译: 一种图像读取装置,包括用于点亮原稿的荧光灯; 用于接通灯的逆变器电路; 多个光学部件,其承载滑块,其将灯携带在其中一个滑块上; 以及包括磁检测元件的磁编码器,其中检测元件和逆变器电路(以及具有LCD的操作面板)彼此间隔开并且位于滑块的行进区域的中心的相对侧。 一种轴型直线电动机,其包括沿着可移动件的移动方向固定地设置并由铁磁材料制成的轭。 一种轴型直线电动机,包括轴型定子和可沿定子往复运动的活动件,其中定子和可动件被保护盖覆盖。 盖可以由铁磁材料制成。

    Linear motor
    4.
    发明授权
    Linear motor 失效
    直线电机

    公开(公告)号:US5796186A

    公开(公告)日:1998-08-18

    申请号:US624085

    申请日:1996-03-29

    IPC分类号: H02K41/03 H02K41/02

    CPC分类号: H02K41/03

    摘要: A single sided servo apparatus comprises a linear motor and a longitudinal carriage which is connected to the linear motor at one end thereof. The linear motor comprises a stator including field magnets arranged linearly and a movable piece including armature coils. The field magnets have a trapezoid-like magnetic flux distribution. An arrangement pattern of the field magnets has a relative tilted angle to an arrangement pattern of the armature coils, so that a free end of the carriage precedes the other end thereof connected to the linear motor. Then, the thrust has a small variation and generates a stable thrust of the servo apparatus.

    摘要翻译: 单面伺服装置包括线性马达和在其一端连接到线性马达的纵向托架。 线性电动机包括定子,其包括直线布置的场磁体和包括电枢线圈的可动件。 场磁体具有梯形磁通分布。 场磁体的布置图案与电枢线圈的布置图案具有相对倾斜的角度,使得托架的自由端在其连接到线性马达的另一端之前。 然后,推力具有小的变化并产生伺服装置的稳定的推力。

    Linear drive device
    5.
    发明授权
    Linear drive device 失效
    线性驱动装置

    公开(公告)号:US6008552A

    公开(公告)日:1999-12-28

    申请号:US1120

    申请日:1997-12-30

    IPC分类号: H02K41/02 H02K41/00

    CPC分类号: H02K41/031

    摘要: A linear drive device provided with a magnetic sensor which is movable together with a movable piece for reading magnetic information of a position sensing magnetized portion on a stator, and a magnetic shield member for shielding the magnetic sensor from a magnetic flux applied by a drive magnetized portion on the stator. A linear drive device provided with a first sensor for sensing a variation in magnetic polarity of a field magnet on a stator, and a second sensor for reading information on an encoder scale, the first and second sensors being arranged at positions in a region around the stator except for a region above the upper surface of the stator.

    摘要翻译: 一种线性驱动装置,其具有可与可动片一起移动的磁传感器,用于读取定子上的位置感测磁化部的磁信息;以及磁屏蔽部件,用于将磁传感器与驱动磁化施加的磁通进行屏蔽 定子上的部分。 一种线性驱动装置,其具有第一传感器,用于检测定子上的磁场磁极的变化,第二传感器用于读取编码器的信息,第一和第二传感器布置在围绕 除了定子上表面以上的区域外。

    Linear motor
    7.
    发明授权
    Linear motor 失效
    直线电机

    公开(公告)号:US5872407A

    公开(公告)日:1999-02-16

    申请号:US624083

    申请日:1996-03-29

    CPC分类号: H02K41/03 H02K29/06

    摘要: A linear motor has a stator and a movable piece. The stator has a field magnet for propulsion. The movable piece has a bobbin which includes a cylindrical member wrapping around the stator, an armature coil which is located around the bobbin, and a yoke which is attached around the armature coil. A groove is formed on the cylindrical member. At the bottom of the groove, a sensor is arranged for detecting the strength of the magnetic field from the field magnet.

    摘要翻译: 线性电动机具有定子和可动件。 定子具有用于推进的磁场。 可动片具有线轴,该线轴包括围绕定子缠绕的圆柱形构件,位于线圈架周围的电枢线圈和围绕电枢线圈安装的磁轭。 在圆柱形构件上形成凹槽。 在槽的底部设置有用于检测来自场磁体的磁场强度的传感器。