Magnetic levitation gravity compensation device
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United States of America Patent
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Oct 1, 2024
Grant Date -
Jul 14, 2022
app pub date -
Apr 23, 2020
filing date -
Apr 30, 2019
priority date (Note) -
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status (Latency Note)
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Abstract
The disclose provides a magnetic levitation gravity compensation device, including: a first permanent magnet, which is cylindrical; a second permanent magnet, which is cylindrical, arranged in the first permanent magnet and radially spaced from the first permanent magnet; and at least one end permanent magnet, which is cylindrical, and is located on at least one of two axial ends of the second permanent magnet and axially spaced from the two axial ends of the second permanent magnet, a center line of the end permanent magnet is configured to coincide with a center line of the second permanent magnet, and a cylinder wall thickness of the end permanent magnet is smaller than that of the second permanent magnet, wherein a magnetization direction of the first permanent magnet is a radial direction, and a magnetization direction of the second permanent magnet and the end permanent magnet is an axial direction.
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