Vertical bearing device
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United States of America Patent
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Jun 18, 2019
Grant Date -
Aug 30, 2018
app pub date -
Jul 29, 2016
filing date -
Aug 19, 2015
priority date (Note) -
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Abstract
A lubricating oil passage portion that constitutes a cooling portion is exposed to the outside from a casing. Lubricating oil having absorbed heat of a thrust bearing portion and a journal bearing portion is cooled in the cooling portion, when the lubricating oil moves from an upper oil chamber to a lower oil chamber while circulating by use of gravity. Thus, the circulating lubricating oil prompts cooling of the heated thrust bearing portion and journal bearing portion. Additionally, the lubricating oil passage portion of the cooling portion is provided integrally with the casing, on the radially outer side of the casing.
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