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    • 9. 发明申请
    • ELECTROMAGNETIC CONTACTOR
    • 电磁接触器
    • US20130257567A1
    • 2013-10-03
    • US13885094
    • 2012-04-03
    • Kouetsu TakayaYasuhiro NakaKenji SuzukiYuichi YamamotoYuji Shiba
    • Kouetsu TakayaYasuhiro NakaKenji SuzukiYuichi YamamotoYuji Shiba
    • H01H1/06
    • H01H1/06H01H9/443H01H50/14H01H50/163H01H50/22H01H50/38H01H50/42H01H51/065H03K17/68
    • An electromagnetic contactor has a contact device having a pair of fixed contacts and a movable contact; and an electromagnet unit including an exciting coil driving a movable plunger connected through a connecting shaft. The contact device is configured such that L-shaped portions have a contact portion formed in the pair of fixed contacts fixed maintaining a predetermined interval, and two ends of the movable contact are disposed to be capable of contacting to and separating from the contact portions of the L-shaped portion on a side opposite to that of the electromagnet unit. The electromagnet unit includes a magnetic yoke enclosing a plunger drive portion, a movable plunger having a leading end protruding through an aperture formed in the magnetic yoke and urged by a return spring, and a ring-form permanent magnet magnetized in a movable direction of the movable plunger and fixed to enclose a peripheral flange portion.
    • 电磁接触器具有接触装置,该触点装置具有一对固定触头和可动触点; 以及包括驱动通过连接轴连接的活动柱塞的励磁线圈的电磁体单元。 接触装置被构造成使得L形部分具有形成在一对固定触点中的接触部分,固定保持预定间隔,并且可动触头的两端设置成能够接触和分离接触部分的接触部分 在与电磁体单元相反的一侧的L形部分。 电磁体单元包括一个包围柱塞驱动部分的磁轭,一​​个可移动的柱塞,其前端通过形成在磁轭中的孔而突出,并由复位弹簧推动,以及沿着可移动方向被磁化的环形永磁体 活动柱塞并固定以包围周边凸缘部分。