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    • 39. 发明申请
    • Electromagnetic dual-coil valve actuator with permanent magnet
    • 具永磁体的电磁双线圈阀执行器
    • US20070025046A1
    • 2007-02-01
    • US10540015
    • 2003-12-19
    • Christophe MaerkyGeraint JewellRichard ClarkPaul Stewart
    • Christophe MaerkyGeraint JewellRichard ClarkPaul Stewart
    • H01H47/00
    • F01L9/04F01L2009/0448
    • The invention relates to a dual-coil electromagnetic valve actuator having a permanent magnet and an actuator member (11) movable between two extreme positions under the effect of a resilient member and two electromagnets each comprising a core having a T-shaped first core portion (18) with a base (19) connected to a central branch (20) with a coil (21) disposed thereabout, the first core portion (18) being placed in a U-shaped second core portion (22) having a base (23) connected to outer branches (24) which extend parallel to the central branch (20) of the first core portion (18), a permanent magnet (25) being interposed between the base of the first core portion (18) and the base of the second core portion (22). In at least one of the electromagnets, the base (19) of the T-shaped first core portion (18) extends so as to co-operate with the outer branches (24) of the U-shaped second core portion (22) to present airgaps (e) of size much smaller than a distance between the base (19) of the T-shaped first core portion and the base (23) of the U-shaped second core portion.
    • 本发明涉及一种双线圈电磁阀致动器,其具有永磁体和致动器构件(11),其在弹性构件的作用下在两个极限位置之间移动,并且每个电磁体包括具有T形第一芯部的芯( 18),其中基部(19)连接到具有设置在其周围的线圈(21)的中心分支(20),所述第一芯部(18)被放置在U形的第二芯部(22)中,所述第二芯部(22)具有基部 )连接到与第一芯部分(18)的中心分支(20)平行延伸的外部分支(24);永磁体(25)被插入在第一芯部分(18)的基部和 第二芯部分(22)。 在至少一个电磁体中,T形第一芯部分(18)的基部(19)延伸以与U形第二芯部分(22)的外分支(24)配合,以与U形第二芯部分 存在尺寸远小于T形第一芯部的基部(19)与U形第二芯部的基部(23)之间的距离的空气隙(e)。