Linear motor hoisting system
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United States of America Patent
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Jul 23, 2024
Grant Date -
Jan 4, 2024
app pub date -
Sep 15, 2023
filing date -
Jul 27, 2020
priority date (Note) -
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Abstract
Systems and methods for hoisting a top drive of a drilling rig. An example system includes a hoisting system having a linear electric motor operable to raise and lower the top drive. An example method includes commencing operation of a processing device to cause operation of the linear electric motor to raise and lower the top drive. The linear electric motor may have a stator connected to and extending vertically along a mast of the drilling rig, and a rotor connected to the top drive and operable to move relative to the stator. The rotor may be connected to the top drive via one or more flexible lines.
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