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    • 11. 发明申请
    • Polarized Electromagnet
    • 极化电磁铁
    • US20120161908A1
    • 2012-06-28
    • US13138303
    • 2010-06-14
    • Yasuhiro NakaToshikatsu OhgamiKoji OkuboKouetsu TakayaKenji Suzuki
    • Yasuhiro NakaToshikatsu OhgamiKoji OkuboKouetsu TakayaKenji Suzuki
    • H01H51/22
    • H01H51/2209H01F7/1615H01H51/24
    • A polarized electromagnet that can suppress magnetic flux leakage in a position that does not affect the suction force between an interior yoke and an exterior yoke, and increase the suction force of a permanent magnet is provided. A polarized electromagnet includes a spool 11 around which an electromagnetic coil is wound, a movable plunger 15 penetrating the spool, an interior yoke 22 fixed on the outer side of the spool, an exterior yoke 21 disposed to maintain a predetermined interval on the outer side of the interior yoke, and a permanent magnet 24 disposed between the interior yoke and exterior yoke. The exterior yoke 21 is formed of a pair of end plate portions 21a and 21b opposing either end of the spool, and a linking plate portion 21c linking the end plate portions, and the interior yoke 22 has a first opposing plate portion 22a opposing the linking plate portion 21c of the exterior yoke, and second opposing plate portions 22d and 22e opposing the one end plate portion 21b of the exterior yoke. The first opposing plate portion and second opposing plate portions are linked without coming close to the exterior yoke.
    • 提供一种可以抑制不影响内轭铁和外轭铁之间的吸力的位置并增加永磁体的吸力的磁通泄漏的极化电磁体。 极化电磁铁包括缠绕电磁线圈的线轴11,贯穿线轴的可动柱塞15,固定在线轴外侧的内轭铁22,设置在外侧保持规定间隔的外轭铁21 和设置在内轭和外轭之间的永磁体24。 外轭铁21由一对与线轴的两端相对的端板部分21a和21b以及连接端板部分的连接板部分21c形成,内轭铁22具有与连接件相对的第一相对的板部分22a 外轭铁的板部21c和与外轭铁的一端板部21b相对的第二相对板部22d,22e。 第一相对板部分和第二相对板部分连接而不靠近外部轭。
    • 16. 发明申请
    • ELECTROMAGNETIC CONTACTOR
    • 电磁接触器
    • US20120133462A1
    • 2012-05-31
    • US13138029
    • 2010-06-14
    • Yasuhiro NakaToshikatsu OhgamiKoji OkuboKoetsu TakayaKenji Suzuki
    • Yasuhiro NakaToshikatsu OhgamiKoji OkuboKoetsu TakayaKenji Suzuki
    • H01H36/00H01H5/00
    • H01H50/16H01H50/42H01H50/641H01H51/2209H01H2050/446
    • The electromagnetic contactor enables a reliable return to a pole open position without increasing the spring force of a return spring. In an electromagnetic contactor, an electromagnetic device having an exciting coil and a contact mechanism having a return spring are disposed in parallel, and the electromagnetic device and contact mechanism are linked by a drive lever. The electromagnetic device has a polarized electromagnet having a magnetic circuit that includes a permanent magnet generating a suction force that moves the contact mechanism to a pole open position side when the exciting coil is not energized. The drive lever is fixed to either one of the electromagnetic device or contact mechanism and contacts with the other with no gap at least when the contact mechanism is moved to the pole open position side. The return force of the contact mechanism is covered by the suction force of the permanent magnet.
    • 电磁接触器能够可靠地返回到极开放位置,而不增加复位弹簧的弹簧力。 在电磁接触器中,具有励磁线圈的电磁装置和具有复位弹簧的接触机构平行设置,电磁装置和接触机构通过驱动杆连结。 电磁装置具有具有磁路的极化电磁体,该磁路包括永久磁铁,当励磁线圈未通电时,该永磁体产生将接触机构移动到极开位置侧的吸力。 驱动杆固定到电磁装置或接触机构中的任一个,并且至少当接触机构移动到极开位置侧时与另一个无接触。 接触机构的返回力被永久磁铁的吸力所覆盖。
    • 19. 发明授权
    • Electromagnetic contact device
    • 电磁接触器
    • US08324993B2
    • 2012-12-04
    • US13138926
    • 2010-06-14
    • Yasuhiro NakaToshikatwsu OhgamiKoji OkuboKouetsu TakayaKenji Suzuki
    • Yasuhiro NakaToshikatwsu OhgamiKoji OkuboKouetsu TakayaKenji Suzuki
    • H01H67/02
    • H01H50/643H01H50/045H01H50/20
    • Within a case (4), are accommodated an electromagnet (8) having a fixed core (8c) and a movable core (8d) capable of contacting and separating from the fixed core (8c); a movable contact point support (7a) which moves in parallel with the movable core; a return spring (7b) which causes the movable contact point support to return to an initial position; and a driving lever (9) which rotates with a rotation support point portion (9a) provided on one end thereof as a support point, and which transmits attraction movement and release movement of the movable core to the movable contact point support. The rotation support point portion of the driving lever is fitted into and supported by a support point recess (5a) provided in an inner face of an extinction cover (5) mounted on the case.
    • 在壳体(4)内容纳有能够与固定芯(8c)接触和分离的具有固定芯(8c)和可动芯(8d)的电磁体(8)。 与所述可动芯平行移动的可动接点支撑部(7a) 复位弹簧(7b),其使可动触点支撑件返回到初始位置; 和驱动杆(9),其以设置在其一端上的旋转支撑点部(9a)作为支撑点旋转,并且将可动铁芯的吸引移动和移动移动到可动接触点支撑体。 驱动杆的旋转支撑点部分装配到设置在安装在壳体上的消光罩(5)的内表面中的支撑点凹部(5a)并由支撑点凹部支撑。