专利名称：Bistable electromagnetic actuator发明人：Reginald A. Read, Jr.申请号：US05/746338申请日：19761201公开号：US04072918A公开日：19780207
摘要：An actuator having an armature plate urged to a stable position by a spring andwhich may be held in another stable position by a permanent magnet. Application of anappropriate current pulse to a coil within the actuator reduces the flux flow through andthe magnetic force on the armature sufficiently to release the armature to the formerstable position under the influence of the spring. Two magnetic circuits, one of whichincludes a non-working air gap, are employed, the non-working air gap serving to
maintain a flux path, of a predetermined maximum reluctance, for the permanent magnetwhen the armature plate is in the former stable position.
申请人：REGDON CORPORATION
代理机构：Neuman, Williams, Anderson &
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