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    • 42. 发明申请
    • ELECTROMAGNETIC OPPOSING FIELD ACTUATORS
    • 电磁场控制器
    • US20160293310A1
    • 2016-10-06
    • US15178001
    • 2016-06-09
    • Active Signal Technologies, Inc.
    • Dennis John Kohlhafer
    • H01F7/08
    • 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。
    • 44. 发明授权
    • Solenoid coil for hazardous locations
    • 用于危险场所的电磁线圈
    • US09401241B2
    • 2016-07-26
    • US14264776
    • 2014-04-29
    • Automatic Switch Company
    • Emmanuel D. ArceoJohn J. HallerVincent ColeEugene GawWilliam McDaniels
    • H01F7/128H01F7/08H01F41/00H01F7/127
    • H01F7/128H01F7/081H01F7/127H01F41/005H01F2007/083
    • A solenoid coil assembly for hazardous environments comprises a solenoid coil and an enclosure entirely filled with encapsulation material. The encapsulation material leaves zero or almost zero volume in the enclosure for hazardous material to accumulate in any amount that could explode. This allows the solenoid coil assembly to be constructed without the usual industry standard flame paths. Additionally, the enclosure may be made of physically rigid and strong material such as metal or the like to better withstand harsh and corrosive conditions within hazardous environments without being explosion proof. The walls of such an enclosure need only have a moderate thickness and weight relative to enclosures that are explosion proof, as there is no meaningful risk of an explosion occurring within the enclosure. The combination of a rugged exterior and a zero-volume interior allows the solenoid coil assembly to reduce weight and cost while providing superior environmental protection.
    • 用于危险环境的电磁线圈组件包括螺线管线圈和完全填充有封装材料的外壳。 封装材料在外壳中留下零或几乎零的体积,用于危险材料以任何可能爆炸的量积聚。 这使得螺线管线圈组件在没有通常的工业标准火焰通路的情况下被构造。 此外,外壳可以由诸如金属等的物理刚性和坚固的材料制成,以在危险环境中更好地承受恶劣和腐蚀性条件而不防爆。 这样的外壳的墙壁相对于防爆的外壳只需要适度的厚度和重量,因为在外壳内没有发生爆炸的有意义的风险。 结合坚固的外观和零容积内部,可以使电磁线圈组件减轻重量和成本,同时提供卓越的环境保护。
    • 45. 发明申请
    • ELECTROMAGNETIC ACTUATOR AND METHOD FOR PRODUCING SUCH AN ACTUATOR
    • 电动执行机构及其制造方法
    • US20160196911A1
    • 2016-07-07
    • US14917163
    • 2014-10-20
    • SCHNEIDER ELECTRIC INDUSTRIES SAS
    • Patrick COMTOISPatrick LARCHER
    • H01F7/121H01F7/127
    • H01F7/127H01F7/081H01F7/121H01F7/1607H01F2007/1692
    • An electromagnetic actuator, including: a ferromagnetic housing extending in a longitudinal direction with a height in a vertical direction perpendicular to the longitudinal direction; two coils arranged inside the housing, each including at least one winding around the longitudinal direction; a ferromagnetic member arranged between the coils; and a ferromagnetic plunger subjected to a magnetic field generated by the coils, the plunger movable in the longitudinal direction and to be immobilized in three different longitudinal positions depending on the field generated by the coils. The ferromagnetic member is rigidly connected to the housing and has, in the vertical direction, a size greater than one sixth of the height of the housing, and located at a distance smaller than one fourth of a gap in the longitudinal direction between the two coils, relative to a median plane perpendicular to the longitudinal direction and located at the midpoint between the two coils.
    • 一种电磁致动器,包括:铁磁壳体,其在纵向方向上延伸,垂直于垂直于纵向方向的高度; 布置在所述壳体内的两个线圈,每个线圈包括围绕所述纵向方向的至少一个绕组; 布置在所述线圈之间的铁磁构件; 以及经过线圈产生的磁场的铁磁柱塞,所述柱塞可沿长度方向移动,并根据线圈产生的磁场固定在三个不同的纵向位置。 铁磁构件刚性地连接到壳体,并且在垂直方向上具有大于壳体高度的六分之一的尺寸,并且位于两个线圈之间的纵向方向上的间隙的四分之一的距离处 相对于垂直于纵向方向并位于两个线圈之间的中点的中间平面。
    • 48. 发明申请
    • LINEAR ACTUATOR
    • 线性执行器
    • US20160125992A1
    • 2016-05-05
    • US14923551
    • 2015-10-27
    • JOHNSON ELECTRONIC S.A.
    • James IRWIN
    • H01F7/124H01F7/08
    • H01F7/088H01F7/081H01F7/1607H01F2007/083
    • A linear actuator (20, 20′, 20″) comprises a plunger receptacle (22); a coil (24); a magnetic plunger (26); a magnetic base (28); a return spring (30); and a lock spring (32, 32′). The coil (24) is wound about at least a portion of an exterior surface of the plunger receptacle (22). The magnetic plunger (26) is at least partially disposed within a cavity at least partially formed by an interior surface of the plunger receptacle (22) for linear motion along a plunger axis (34). The magnetic base (28) is radially disposed relative to the plunger (26). The return spring (30) is disposed to bias the plunger (26) to a plunger extended position. The lock spring (32, 32′) is configured and oriented to lock the plunger (26) in the plunger extended position when power is not applied to the coil (24) but to be attracted to the magnetic base (28) and thereby permit movement of the plunger (26) to a plunger retracted position when the power is applied to the coil (24).
    • 线性致动器(20,20',20“)包括柱塞接收器(22); 线圈(24); 磁性柱塞(26); 磁性基座(28); 复位弹簧(30); 和锁定弹簧(32,32')。 线圈(24)围绕柱塞插座(22)的外表面的至少一部分缠绕。 磁性柱塞(26)至少部分地设置在至少部分地由柱塞接收器(22)的内表面形成的空腔内,用于沿柱塞轴线(34)线性运动。 磁性基座(28)相对于柱塞(26)径向设置。 复位弹簧(30)设置成将柱塞(26)偏压到柱塞伸出位置。 锁定弹簧(32,32')被构造和定向以在未被施加到线圈(24)但被吸引到磁性基座(28)的情况下将柱塞(26)锁定在柱塞伸出位置,从而允许 当电力施加到线圈(24)时,柱塞(26)移动到柱塞缩回位置。
    • 50. 发明授权
    • Solenoid drive device
    • 电磁驱动装置
    • US09318246B2
    • 2016-04-19
    • US14408421
    • 2013-07-26
    • AISIN AW CO., LTD.
    • Keiichiro IrieTomoyuki Tanaka
    • H01F3/00H01F7/08F16K31/06H01F7/16
    • H01F3/00F16K31/0613F16K31/0675H01F7/081H01F7/13H01F7/16H01F7/1607H01F2007/085
    • An inexpensive solenoid drive device with high magnetic performance is implemented in which a portion accommodating a plunger and a portion attracting the plunger are integrated with a core as a ferromagnetic body. A core includes a magnetic flux limiting portion that is located in a region on the biasing direction side of a first imaginary boundary plane and that is formed so as to have a small thickness in a radial direction, and an increased diameter portion that is formed so that its thickness the radial direction is increased in a continuous or stepwise manner from the first imaginary boundary plane toward the opposite biasing direction side. The increased diameter portion has a recessed portion whose outer surface is recessed toward a radial inner surface with respect to a predetermined increased diameter reference line in axial section of the core.
    • 实现了具有高磁性能的便宜的螺线管驱动装置,其中容纳柱塞的部分和吸引柱塞的部分与作为铁磁体的芯体一体化。 芯部包括磁通限制部,该磁通限制部位于第一假想边界面的偏置方向侧的区域,并且形成为具有径向的小的厚度,以及形成为径向的直径增大部 其厚度的径向方向以连续或逐步的方式从第一假想边界平面朝向相反的偏压方向侧增加。 增加的直径部分具有凹部,该凹部的外表面相对于芯的轴向截面中的预定的增加直径的基准线朝径向内表面凹陷。