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    ELECTROMAGNETIC SWITCH
    1.
    发明公开
    ELECTROMAGNETIC SWITCH 审中-公开
    ELEKTROMAGNETISCHER SCHALTER

    公开(公告)号：EP2889891A4

    公开(公告)日：2016-07-27

    申请号：EP13782030

    申请日：2013-04-11

    申请人： FUJI ELEC FA COMPONENTS & SYS ,  FUJI ELECTRIC CO LTD

    发明人： TACHIKAWA HIROYUKI ,  ISOZAKI MASARU ,  KASHIMURA OSAMU ,  TAKAYA KOUETSU

    IPC分类号： H01H50/54 ,  H01H1/66 ,  H01H50/02 ,  H01H50/56 ,  H01H50/58 ,  H01H50/64

    CPC分类号： H01H50/18 ,  H01H1/66 ,  H01H50/02 ,  H01H50/54 ,  H01H50/541 ,  H01H50/546 ,  H01H50/56 ,  H01H50/58 ,  H01H50/641 ,  H01H2050/025

    摘要： Provided is an electromagnetic switch such that it is possible to simultaneously drive at least a main contact mechanism and a plurality of contact mechanisms. The electromagnetic switch is such that a plurality of contact mechanisms (9A), (9B) having at least a fixed contact and a movable contact disposed so as to be connectable to and detachable from the fixed contact are disposed inside a contact housing case (4), the electromagnetic switch including a movable contact holding portion (15) that holds the movable contacts (14A), (14B) of the plurality of contact mechanisms, and an electromagnet unit (3) having a movable plunger (45) that causes the movable contact holding portion (15) to move.

    摘要翻译： 提供一种电磁开关，使得可以同时驱动至少一个主接触机构和多个接触机构。 电磁开关使得具有至少固定触点的多个接触机构（9B）和布置成能够与固定触头分离的可动触头设置在触头外壳（4）内 ），所述电磁开关包括保持所述多个接触机构的可动触头（14A），（14B）的可动触头保持部（15），以及具有可动柱塞（45）的电磁体单元（3） 活动触点保持部（15）移动。

    ELECTROMAGNETIC CONTACTOR
    3.
    发明公开
    ELECTROMAGNETIC CONTACTOR 有权

    公开(公告)号：EP2765588A4

    公开(公告)日：2015-12-09

    申请号：EP12837693

    申请日：2012-10-03

    申请人： FUJI ELECTRIC CO LTD ,  FUJI ELEC FA COMPONENTS & SYS

    发明人： KASHIMURA OSAMU ,  ISOZAKI MASARU ,  TACHIKAWA HIROYUKI ,  TAKAYA KOUETSU ,  NAKA YASUHIRO ,  SHIBA YUJI

    IPC分类号： H01H50/54 ,  H01H50/10 ,  H01H50/14

    CPC分类号： H01H1/58 ,  H01H1/54 ,  H01H50/10 ,  H01H50/14 ,  H01H50/546

    摘要： There is provided an electromagnetic contactor with which it is possible to suppress electromagnetic repulsion forces which cause a movable contact to open when current is conducted without any effect of magnetic fields of external connection conductors. The electromagnetic contactor includes a contact mechanism (CM) including a pair of fixed contacts (2), interposed in a current conduction path, which have their respective fixed contact portions (2a), (2b) and a movable contact 3 having a pair of movable contact portions (3b), (3c) which are able to come into and out of contact with the pair of fixed contact portions, wherein at least one of the pair of fixed contacts or movable contact is formed in a shape such as to form magnetic fields which generate Lorentz forces opposing electromagnetic repulsion forces generated in an opening direction between the fixed contact portions and movable contact portions when current is conducted. Also, the attachment direction of fixed portions (22), (23), each of which, having an external connection conductor (20), (21) connected to an external connection terminal (2i), (2j) of the corresponding fixed contact 2, is attached to the external connection terminal of the external connection conductor, is set so as to cross the direction of current flowing through the movable contact.

    ELECTROMAGNETIC CONTACTOR
    10.
    发明公开
    ELECTROMAGNETIC CONTACTOR 有权
    ELEKTROMAGNETISCHES KONTAKTGLIED

    公开(公告)号：EP1580780A4

    公开(公告)日：2006-08-16

    申请号：EP03811877

    申请日：2003-09-19

    申请人： FUJI ELEC FA COMPONENTS & SYS

    发明人： OHKUBO KOJI ,  KASAHARA MITSUHARU ,  OGAWA HIDEHIKO

    IPC分类号： H01H9/34 ,  H01H50/04 ,  H01H50/00 ,  H01H50/02

    CPC分类号： H01H9/342 ,  H01H50/045

    摘要： An electromagnetic contactor where an interphase partition wall (17) is provided between adjacent main contact points (3). A concave portion (23) is provided in an inner wall face of the interphase partition wall (17) so as to be positioned in the middle in discharge paths (indicated by arrows) of arc gas produced by on/off operation of each main contact point (3). Providing the concave portion (23) causes arc gas heading from an arc generation point toward a discharge window (20) to be held in the concave portion (23) as a drifting place, reducing discharge speed of the arc gas. This results that an amount of heat diffused by heat transfer from the arc gas to the interphase partition wall (17) is increased, so that the temperature of arc gas jetted from the discharge window (20) is lowered. Consequently, damage in distribution cables and melting of the interphase partition wall (17) caused by overheating of a main terminal (6) to which arc gas is blown are prevented from occurring.

    摘要翻译： 一种电磁接触器，其中在相邻的主触点（3）之间提供相间分隔壁（17）。 在相间分隔壁（17）的内壁面上设置有凹部（23），以便位于由每个主触点的接通/断开操作产生的电弧气体的放电路径（由箭头表示）的中间 点（3）。 通过设置凹部（23），从电弧产生点朝向放电窗（20）的电弧气体作为漂移位置被保持在凹部（23）内，从而降低了电弧气体的放电速度。 这导致从电弧气体传递到相间分隔壁（17）的热量扩散的热量增加，使得从放电窗口（20）喷射的电弧气体的温度降低。 因此，防止了由于吹到电弧气体的主端子（6）的过热而引起的配线电缆的损坏和相间分隔壁（17）的熔化。