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    • 62. 发明申请
    • ELECTROMAGNETIC OPPOSING FIELD ACTUATORS
    • 电磁场控制器
    • US20140354381A1
    • 2014-12-04
    • US14290809
    • 2014-05-29
    • Active Signal Technologies, Inc.
    • Dennis John Kohlhafer
    • H01H50/20H01F7/02H01H50/44H01H50/04
    • H01F7/081H01F7/02H01F7/066H01F7/122H01F7/13H01F7/1646H01H50/04H01H50/20H01H50/44H02K33/18
    • Electromagnetic actuators capable of generating a symmetrical bidirectional force are disclosed. The electromagnetic actuators include a housing made of a ferromagnetic material and a shaft made of a magnetically inert material movable along an axis within the housing. In one type of actuator, captive permanent magnets are arranged on opposite interior end walls of the housing and an electromagnetic coil is mounted on a central portion of the shaft. The electromagnetic coil is capable of generating a force when energized that causes linear displacement of the shaft in either direction along its axis depending on the direction of current through the electromagnetic coil. In another type of actuator, captive electromagnetic coils are arranged on opposing inner end walls of the housing, and a permanent magnet is mounted on a central portion of the shaft. The electromagnetic coils are capable of generating a force when energized that causes linear displacement of the shaft in either direction along its axis depending on a direction of current through the electromagnetic coils.
    • 公开了能够产生对称双向力的电磁致动器。 电磁致动器包括由铁磁材料制成的壳体和由沿着壳体内的轴线移动的磁性惰性材料制成的轴。 在一种类型的致动器中,固定永磁体布置在壳体的相对的内端壁上,并且电磁线圈安装在轴的中心部分上。 电磁线圈能够产生通电时的力,这导致轴根据其通过电磁线圈的电流的方向沿其轴线沿任一方向的线性位移。 在另一种类型的致动器中,固定电磁线圈布置在壳体的相对的内端壁上,并且永磁体安装在轴的中心部分上。 电磁线圈能够在通电时产生力,这导致轴根据其通过电磁线圈的电流的方向沿其轴线沿任一方向的线性位移。
    • 64. 发明申请
    • ELECTROMAGNET DEVICE
    • 电子设备
    • US20140055220A1
    • 2014-02-27
    • US13953995
    • 2013-07-30
    • Omron Corporation
    • Toshifumi SUMINOMasaaki YAMAMOTOIchinori SAKAIMitsuhiro KAWAIShinichi FURUSHO
    • H01H50/36
    • H01H50/36H01F7/081H01F7/122H01F7/14
    • The present invention provides an electromagnet device including a horizontal portion of a yoke arranged near one end portion of an iron core, a movable iron piece which pivotably supported on a leading end edge portion of a vertical portion of the yoke which serves as a fulcrum, an end portion of the movable iron piece adapted to be attracted to a magnetic pole portion by a main magnetic circuit, the magnetic pole portion is arranged in the other end portion of the iron core. The main magnetic circuit is formed by applying a voltage to a coil wound around a periphery of the iron core and an auxiliary magnetic circuit formed in parallel with the main magnetic circuit, the auxiliary circuit including a permanent magnet is arranged near the one end portion of the iron core and a magnetic resistance portion, in which a magnetic flux of the permanent magnet is magnetically saturated.
    • 本发明提供一种电磁铁装置,其特征在于,包括:铁心的一端部附近设置的轭的水平部,可枢转地支撑在作为支点的轭的垂直部的前端缘部的可动铁片, 可动铁片的端部通过主磁路被吸引到磁极部,磁极部配置在铁芯的另一端部。 主磁路是通过向缠绕在铁芯周围的线圈施加电压而形成的,并且与主磁路并联形成的辅助磁路形成,包括永久磁铁的辅助电路设置在 铁芯和磁阻部分,其中永磁体的磁通量磁饱和。
    • 65. 发明申请
    • SOLENOID DEVICE AND DRIVER ASSISTANCE DEVICE
    • 电磁阀装置和驱动器辅助装置
    • US20140002217A1
    • 2014-01-02
    • US13880856
    • 2011-08-29
    • Wolf Stahr
    • Wolf Stahr
    • F16K31/06
    • F16K31/06B60T8/363H01F7/081H01F7/16
    • A solenoid device includes a magnet armature and an armature counterpiece which is arranged at the end of the magnet armature. The magnet armature and the armature counterpiece are movable in relation to one another and an air gap is provided between a magnet armature end face and an armature counterpiece end face. The air gap creates a magnetic series path of the solenoid device. A disc is composed of a magnetizable material and is arranged in the air gap. The disc is configured to make physical contact with the magnetic armature end face and the armature counterpiece end face at least in regions. A magnetic shunt path is present when the magnetic armature and the armature counterpiece are in at least one position relative to one another. The magnetic shunt path runs across the disc at least in regions. The series path has a lower reluctance than the shunt path which runs across the disc when the magnet armature and the armature counterpiece are in the at least one position relative to one another.
    • 螺线管装置包括磁铁衔铁和布置在磁体衔铁末端的电枢排架。 磁体衔铁和电枢排架可以相对于彼此移动,并且在磁体衔铁端面和电枢排架端面之间设置气隙。 气隙产生螺线管装置的磁性串联路径。 盘由可磁化材料组成,并布置在气隙中。 该盘被配置为至少在区域中与磁性电枢端面和电枢排架端面物理接触。 当磁性衔铁和电枢排架相对于彼此处于至少一个位置时,存在磁分路。 至少在区域中,磁分路径穿过盘。 当磁体电枢和电枢排架相对于彼此处于至少一个位置时,串联路径具有比跨过盘延伸的分流路径更低的磁阻。
    • 66. 发明申请
    • ELECTROMAGNETIC ACTUATION DEVICE
    • 电磁驱动装置
    • US20130265125A1
    • 2013-10-10
    • US13880543
    • 2011-10-20
    • Oliver ThodeViktor Raff
    • Oliver ThodeViktor Raff
    • H01F7/121
    • H01F7/121H01F7/081H01F7/13
    • An electromagnetic actuating apparatus having an armature unit, which can be moved through a movement distance in an axial direction relative to a stationary core unit and in reaction to an operating current being passed through a coil unit, which armature unit magnetically interacts axially at one end with the core unit over a control range which at least partially overlaps axially along the movement distance, which, as a section of the armature unit, has a first profile section and, as a section of the core unit, has a second profile section, with an air gap formed between them and forms an extent at right angles to the axial direction.
    • 一种具有电枢单元的电磁致动装置,该电枢单元可以相对于固定铁芯单元在轴向移动距离,并且与正在通过线圈单元的工作电流反应,该电枢单元在一端轴向地相互作用 其中所述芯单元在一个控制范围内,所述控制范围至少部分地沿所述移动距离重叠,所述移动距离作为所述电枢单元的一部分具有第一轮廓部分,并且作为所述芯单元的一部分具有第二轮廓部分, 在它们之间形成有气隙并形成与轴向成直角的程度。
    • 69. 发明授权
    • Oil immersed solenoid
    • 油浸螺线管
    • US08350651B2
    • 2013-01-08
    • US13063184
    • 2009-08-21
    • Hiroaki Shimizu
    • Hiroaki Shimizu
    • H01F7/08
    • H01F7/081H01F7/1607H01F2007/085H01F2007/163H01F2007/1661
    • An oil immersed solenoid capable of easily and quickly removing air and air bubbles in oil in a space accommodating a movable core and preventing the air and the like from accumulating in the space. In an oil immersed solenoid in which a movable core is accommodated in a space of a tubular second guide so as to be movable in an axial direction of the second guide and the movable core is pulled by a fixed magnetic pole portion provided to be spaced apart from a tip end portion of the second guide, an air accumulation preventing portion is provided between the tip end portion of the second guide and a convex portion of a rear end portion of the fixed magnetic pole portion, and the second guide is made of a magnetic material and the air accumulation preventing portion is made of a non-magnetic material.
    • 一种油浸螺线管,其能够容易且快速地在容纳可动铁芯的空间中除去油中的空气和气泡,并防止空气等积聚在空间中。 在油浸式螺线管中,可动铁芯容纳在管状第二引导件的空间中,以能够在第二引导件的轴向方向上移动,并且可动铁芯被设置成间隔开的固定磁极部分 从第二引导件的末端部分,在第二引导件的末端部分和固定磁极部分的后端部分的凸部之间设置有防止积聚的部分,第二引导件由 磁性材料和防空气部分由非磁性材料制成。
    • 70. 发明授权
    • Electromagnetic actuator
    • 电磁执行器
    • US08305176B2
    • 2012-11-06
    • US12674214
    • 2007-09-26
    • Kazuhikio BabaHitoshi KawaguchiToyoshi NomuraKazuhiro NakaneNobuo Kojima
    • Kazuhikio BabaHitoshi KawaguchiToyoshi NomuraKazuhiro NakaneNobuo Kojima
    • H01F7/08
    • H01F7/1638H01F7/081H01F7/128H02K5/12H02K33/02
    • An object is to provide an electromagnetic actuator that is highly resistant to corrosion and also capable of having high suction power, even in a condition where part of the electromagnetic actuator touches a corrosive liquid. An electromagnetic actuator 50 according to this invention is incorporated into a device using a corrosive liquid 17. The electromagnetic actuator 50 is characterized by including a magnetic pole piece 1; an outer yoke 6; a bottom yoke 5; a bobbin coil 2; a stepped portion 6a that is formed on an outer surface of the outer yoke 6; a waterproof portion 8 that prevents the corrosive liquid 17 from entering at least where the bobbin coil 2 and the magnetic pole piece 1 are; a movable plate 12 that is placed in the corrosive liquid 17 to form a magnetic circuit together with the magnetic pole piece 1, the outer yoke 6, and the bottom yoke 5, The movable plate 12 is stored in a space 14 created either in the electromagnetic actuator 50 or between the device using the corrosive liquid 17 and the electromagnetic actuator 50. The outer yoke 6 is incorporated into the device using the corrosive liquid 17, on a reduced diameter side from the stepped portion 6a.
    • 本发明的目的是提供一种电磁致动器,该致动器高度耐腐蚀,并且即使在电磁致动器的一部分接触到腐蚀性液体的情况下也能够具有高吸力。 根据本发明的电磁致动器50被结合到使用腐蚀性液体17的装置中。电磁致动器50的特征在于包括磁极片1; 外轭铁6; 底部轭5; 筒管线圈2; 形成在外轭铁6的外表面上的阶梯部分6a; 防止腐蚀性液体17至少进入筒管线圈2和磁极片1的防水部8; 放置在腐蚀性液体17中以与磁极片1,外轭铁6和底轭5一起形成磁路的可动板12。可移动板12存储在空间14中, 电磁致动器50或使用腐蚀性液体17和电磁致动器50的装置之间。外磁轭6使用腐蚀性液体17在与台阶部分6a缩径的一侧结合到装置中。