Drawworks system with variable frequency drive
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United States of America Patent
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Jun 30, 2020
Grant Date -
Oct 10, 2019
app pub date -
Apr 10, 2018
filing date -
Apr 10, 2018
priority date (Note) -
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status (Latency Note)
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Abstract
A drawworks system for a mineral extraction system includes a drum mounted on a drum shaft and a motor assembly configured to drive rotation of the drum. The motor assembly includes a motor, a variable frequency drive positioned vertically above the motor relative to a skid, and a cooling assembly configured to cool the motor and the variable frequency drive. The cooling assembly is coupled to a housing of the variable frequency drive and is positioned vertically above a drive shaft of the motor relative to the skid.
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