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Latching sector motor actuator and for a failsafe sector motor actuator having an available operating range not limited to 90°
Latching sector motor actuator and for a failsafe sector motor actuator having an available operating range not limited to 90°
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机译:闩锁扇形电动机执行器和故障安全扇形电动机执行器,其可用工作范围不限于90°
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摘要
In one embodiment, a latching sector motor actuator includes a housing, a permanent magnet, and a pole piece. The permanent magnet rotates relative to the housing. The pole piece has a polarity and a pair of wound wire coils, is fixedly attached to the housing, and communicates with the permanent magnet to cause the permanent magnet to rotate one of clockwise and counterclockwise, depending upon the polarity of the pole piece. In another embodiment, a failsafe sector motor actuator has a pole piece with a singularly wound wire coil and further includes an auxiliary permanent magnet. The auxiliary permanent magnet is adjustably attached to the housing to extend rotation of the permanent magnet from 80° to 120°, depending upon location and magnitude of the auxiliary permanent magnet.
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