Battery pack
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United States of America Patent
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Jul 29, 2014
Grant Date -
Nov 10, 2011
app pub date -
May 5, 2011
filing date -
May 10, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
A battery pack has multiple wall-shaped projecting portions, which are provided on side surfaces of battery cells perpendicular to a layer direction X, extend in a flow direction of cooling fluid and arranged in a direction perpendicular to the flow direction of the cooling fluid, to form fluid passages between neighboring battery cells. It further has multiple enlarged projecting portions, which are provided at intermediate portions of the wall-shaped projecting portions extending in the flow direction of the cooling fluid and brought into contact with the neighboring battery cells to receive action force therefrom. An outer dimension of the enlarged projecting portions in the direction, in which the multiple wall-shaped projecting portions are arranged, is made larger than a thickness dimension of the wall-shaped projecting portions.
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