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公开(公告)号：US11923744B2
公开(公告)日：2024-03-05
申请号：US17622090
申请日：2020-06-25
发明人： Haifeng Zhang , Chengjiong Ying
CPC分类号： H02K41/031 , H02K11/21
摘要： The present disclosure provides a brushless direct drive linear servo actuator, comprising: a stator, a mover and a housing, wherein the stator is a pair of armatures arranged in mirror symmetry at both sides of the mover, the housing integrally encapsulates the stator and forms a cavity for the mover at the mover, and the mover has an output end protruding out of the housing and is linearly movable along a direction of the output end. A displacement signal emitter is provided at a side of the mover, and a signal receiver is provided within a cover arranged outside the housing on said side for detecting a displacement signal emitted by the emitter of the mover. The actuator of the present disclosure is characterized by high reliability, high accuracy and low cost.
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