Shovel including power storage device with housing having coolant flow path
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United States of America Patent
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Apr 17, 2018
Issued Date -
N/A
app pub date -
Apr 24, 2014
filing date -
Oct 26, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
An upper turning body is mounted on a lower travelling body to be capable of turning. An attachment is arranged in the upper turning body. A power storage device is arranged in the upper turning body together with the attachment. A discharge current from the power storage device drives electric parts. The power storage device has a housing in which a first flow path for coolant's flow is formed. A power storage module is arranged inside the housing. The power storage module includes stacked power storage cells, and the power storage cells are thermally coupled to the first flow path. The housing includes a lower housing and an upper housing. The first flow path is formed in one of a bottom panel of the lower housing and an upper panel of the upper housing.
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