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公开(公告)号：US11156276B2
公开(公告)日：2021-10-26
申请号：US16722898
申请日：2019-12-20
Applicant: Delta Electronics, Inc.
Inventor： Chi-Wen Chung , Po-Tzu Chen
Abstract: A linear-rotary actuator includes a base, a first linear motor, a second linear motor, a linear rail, and a ball screw. The first and second linear motors are disposed on the base and respectively have a coil assembly and a magnet backplane. The linear rail is located on the base. The ball screw includes a screw and a nut, wherein the screw is connected to the first linear motor, and the nut is connected to the second linear motor. When the screw and the nut are driven by the first and second linear motors to move along the linear rail in a synchronized manner, the linear-rotary actuator provides linear motion output. When the nut is driven by the second linear motor to move along the linear rail in an asynchronous manner with respect to the screw, the linear-rotary actuator provides rotary motion output.
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公开(公告)号：US10557534B2
公开(公告)日：2020-02-11
申请号：US15255392
申请日：2016-09-02
Applicant: Delta Electronics, Inc.
Inventor： Chi-Wen Chung , Po-Tzu Chen
Abstract: A linear-rotary actuator includes a base, a first linear motor, a second linear motor, a linear rail, and a ball screw. The first and second linear motors are disposed on the base and respectively have a coil assembly and a magnet backplane. The linear rail is located on the base. The ball screw includes a screw and a nut, wherein the screw is connected to the first linear motor, and the nut is connected to the second linear motor. When the screw and the nut are driven by the first and second linear motors to move along the linear rail in a synchronized manner, the linear-rotary actuator provides linear motion output. When the nut is driven by the second linear motor to move along the linear rail in an asynchronous manner with respect to the screw, the linear-rotary actuator provides rotary motion output.
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公开(公告)号：US11121615B2
公开(公告)日：2021-09-14
申请号：US16550736
申请日：2019-08-26
Applicant: Delta Electronics, Inc.
Inventor： Po-Tzu Chen , Chi-Wen Chung , En-Yi Chu , Chun-Hsiu Chen
Abstract: An actuator is provided, including a fixed assembly and a movable assembly. The fixed assembly includes a coil module, a base, a first screwing member, and a linear rail. The first screwing member passes through the base and the linear rail, and the linear rail is positioned on the base. The movable assembly includes a U-shaped back board having an inner space, a first magnetic module, a second magnetic module aligned with the first magnetic module, and a sliding block. The first and second magnetic modules are disposed on the U-shaped back board and accommodated in the inner space. The coil module is disposed between the first magnetic module and the second magnetic module. The sliding block is positioned on the U-shaped back board in the inner space, and slidably connected to the linear rail.
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公开(公告)号：US10439480B2
公开(公告)日：2019-10-08
申请号：US15204331
申请日：2016-07-07
Applicant: Delta Electronics, Inc.
Inventor： Po-Tzu Chen , Chi-Wen Chung , En-Yi Chu , Chun-Hsiu Chen
Abstract: An actuator is provided, including a fixed assembly and a movable assembly. The fixed assembly includes a coil module, a base, a first screwing member, and a linear rail. The first screwing member passes through the base and the linear rail, and the linear rail is positioned on the base. The movable assembly includes a U-shaped back board having an inner space, a first magnetic module, a second magnetic module aligned with the first magnetic module, and a sliding block. The first and second magnetic modules are disposed on the U-shaped back board and accommodated in the inner space. The coil module is disposed between the first magnetic module and the second magnetic module. The sliding block is positioned on the U-shaped back board in the inner space, and slidably connected to the linear rail.
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