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    • 1. 发明授权
    • Electromagnetic relay assembly
    • 电磁继电器总成
    • US5886601A
    • 1999-03-23
    • US901201
    • 1997-07-28
    • Nobuhiro KitamuraHiroaki HamaguchiNaoki KanemotoMasahiro KutsunaTetsuyasu Kawamoto
    • Nobuhiro KitamuraHiroaki HamaguchiNaoki KanemotoMasahiro KutsunaTetsuyasu Kawamoto
    • H01H50/00H01H50/04H01H50/54H01H50/56H01H50/64H01H51/06H01H67/02
    • H01H50/54H01H50/041H01H1/5822
    • An electromagnetic relay assembly includes an actuator unit and at least one switch unit detachably connected with the actuator unit. The actuator unit includes an actuator casing accommodating therein an electromagnetic assembly and a movable actuator frame magnetically attracted by the electromagnetic assembly to move between first and second positions. The switch unit Includes a switch casing accommodating therein a switch assembly capable of selectively assuming one of an ON state in response to movement of the movable actuator frame from the first position to the second position and an OFF position in response to movement of the movable actuator frame from the second position to the first position. The actuator casing and the switch casing have mating engagement members by which the actuator unit and the switch unit can be separably connected together while the movable actuator frame in the actuator unit can be drivingly coupled with the switch assembly In the switch unit.
    • 电磁继电器组件包括致动器单元和至少一个与致动器单元可拆卸地连接的开关单元。 致动器单元包括容纳在其中的电磁组件和由电磁组件磁吸引以在第一和第二位置之间移动的可动致动器框架的致动器壳体。 开关单元包括容纳在其中的开关壳体,开关组件能够响应于可移动致动器框架从第一位置到第二位置的移动而选择性地接通ON状态,并且响应于可移动致动器的移动而处于OFF位置 框架从第二位置到第一位置。 致动器壳体和开关壳体具有配合接合构件,通过该配合接合构件,致动器单元和开关单元可以可分离地连接在一起,而致动器单元中的可动致动器框架可以与开关组件驱动耦合。
    • 4. 发明授权
    • Polarized electromagnet
    • 极化电磁铁
    • US4855701A
    • 1989-08-08
    • US267219
    • 1988-11-03
    • Yoichi YokoyamaHiroaki HamaguchiKideya KondoYouichi KunimotoManabu Yano
    • Yoichi YokoyamaHiroaki HamaguchiKideya KondoYouichi KunimotoManabu Yano
    • H01H51/22H01H89/10
    • H01H89/10H01H51/2209
    • A polarized electromagnet with improved response sensitivity includes an axially movable core 63 extending through an excitation coil 61 to be movable between two positions upon energization and deenergization of the coil 61. The core 63 is formed at its opposite ends respectively with pole plates 69 extending transversely of the core axis. Inner and outer yokes 64 and 65 are arranged in parallel to the core 63 and are magnetized to the opposite polarities by a permanent magnet 65. Inner and outer yokes 64 and 65 have at respective ends inner and outer pole ends 67 and 68 which are spaced axially to each other so as to form therebetween magnetic gaps in each of which the adjacent one of the pole plates 69 is located. At least one of the inner pole ends 67 terminates in a pole tip which is positioned transversely outwardly of the adjacent pole plate 69 and extends in the axial direction to a point where it overlies the adjacent pole plate 69 when the latter is magnetically attracted to the pole tip 67 such that the inward face of the pole tip 67 comes into direct facing relation to the lateral edge of the adjacent pole plate 69 when the pole plate 69 is attracted to the pole tip 67. Accordingly, it is possible to reduce the physical gap or the magnetic resistance between the pole tip 67 and the adjacent pole plate 69 in the position away from the pole tip 67 without reducing the stroke of the core in the axial direction.
    • 具有改善的响应灵敏度的极化电磁体包括延伸穿过励磁线圈61的可轴向移动的铁芯63,以在线圈61通电和断电时在两个位置之间移动。芯部63在其相对端分别形成有横向延伸的极板69 的核心轴。 内轭铁64和外轭铁65与铁芯63平行地配置,并通过永久磁铁65被磁化成相反的极性。内轭铁64和外轭铁65在相应的端部分别位于内和外极端部67和68之间, 彼此轴向地形成在相邻的极板69所位于的每个中的磁隙之间。 内极端部67中的至少一个终止于极尖,该极尖位于相邻的极板69的横向外侧,并且在轴向方向上延伸到其相邻极板69上的位置,当磁体尖端69被磁吸引到 极尖67使得当极板69被吸引到极尖67时,极尖67的内表面与相邻极板69的侧边缘直接面对。因此,可以减少物理 间隙或磁极端头67和相邻极板69之间的磁阻在远离极尖端67的位置,而不会减小芯轴在轴向上的行程。