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公开(公告)号:US20240044417A1
公开(公告)日:2024-02-08
申请号:US18255945
申请日:2021-12-03
CPC分类号: F16K31/508 , H01F7/081 , F16H25/2454 , F16H25/205 , F16H2025/2075 , F16H2025/209 , F16H2025/2081 , F16H2025/2087 , F16H2025/2093
摘要: A system includes an electric actuator having an actuation stem, a screw assembly, an electric drive, and a lock. The screw assembly is coupled to the actuation stem, wherein the screw assembly includes a male screw portion coupled to a female screw portion. The electric drive is coupled to the screw assembly, wherein the electric drive is configured to move the screw assembly to move the actuation stem. The lock is configured to hold a position of the actuation stem when not driving movement of the actuation stem.