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    • 6. 发明专利
    • Electromagnetic solenoid actuator
    • 电磁式电磁阀执行器
    • JP2002367825A
    • 2002-12-20
    • JP2001174583
    • 2001-06-08
    • Isuzu Motors Ltdいすゞ自動車株式会社
    • SUZUKI MICHIYOSHI
    • H01F7/13H01F7/16
    • H01F7/1607H01F7/13
    • PROBLEM TO BE SOLVED: To provide a compact and inexpensive electromagnetic solenoid actuator which can be positioned at a plurality of working positions without using a plurality of electromagnetic coils, fixed cores, and movable cores.
      SOLUTION: An electromagnetic solenoid actuator is equipped with a cylindrical case, an electromagnetic coil arranged inside the case, a fixed core arranged in the electromagnetic coil, a movable core arranged so as to be capable of approaching or parting from the fixed core, and a working rod mounted on the movable core. Moreover, the electromagnetic solenoid actuator is equipped with a position control mechanism which sets the working rod at a plurality of working positions corresponding to a thrust generated in the working rod, responding to electric energy fed to the electromagnetic coil.
      COPYRIGHT: (C)2003,JPO
    • 要解决的问题:提供一种紧凑且便宜的电磁螺线管致动器,其可以定位在多个工作位置,而不使用多个电磁线圈,固定芯和可动芯。 解决方案:电磁螺线管执行机构装有圆筒形壳体,布置在壳体内的电磁线圈,布置在电磁线圈中的固定铁心,可移动铁芯,以便能够从固定铁芯接近或分离, 工作杆安装在可动芯上。 此外,电磁螺线管致动器配备有位置控制机构,其响应于馈送到电磁线圈的电能而将工作杆设置在对应于在工作杆中产生的推力的多个工作位置。
    • 9. 发明专利
    • JPH07502098A
    • 1995-03-02
    • JP50938094
    • 1993-10-05
    • F16K31/06F01L9/04H01F7/13H01F7/16
    • An electromagnetically actuated valve is disclosed having an upper electromagnetic element and a lower electromagnetic element, each of the elements having a toroidal configuration or an annular configuration with a U-shaped cross-section. The elements each define a central chamber and a central channel. The upper and lower electromagnetic elements are in a mirrored relationship to each other. The valve also includes a core element having an annular horizontal cross-section and is disposed intermediate the upper and lower electromagnetic elements. A coil is disposed within the central channel of each of the electromagnetic elements. A valve stem is disposed within the central chamber of the electromagnetic elements. A spring is disposed within the central chamber of the electromagnetic elements for biasing the electromagnetic elements in a neutral position. A connecting plate connects the core elements to the valve stem. Applying current to the coil in the upper electromagnetic element causes the valve to close, and interrupting the current to the coil in the upper electromagnetic element and applying current to the coil in the lower electromagnetic element causes the valve to open.