COOLING STRUCTURE, BATTERY UNIT, AND MANUFACTURING METHOD OF COOLING STRUCTURE
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United States of America Patent
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Issued Date -
Jul 25, 2024
app pub date -
Apr 15, 2022
filing date -
May 20, 2021
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Abstract
A cooling structure according to an aspect of the present invention includes a press forming member including a groove part and a bank part provided around the groove part, a flow path upper lid positioned on a position covering the groove part of the press forming member, and a joint portion which joins opposing surfaces of the flow path upper lid and the bank part to form a flow path through which a cooling liquid is capable of flowing, in which the press forming member and the flow path upper lid are plated steel sheets having a base steel sheet and having an Al-based plating having a film thickness of 10.0 μm or more or a Zn-based plating having a film thickness of 5.0 μm or more, in which a sheet thickness of the plated steel sheets 0.3 mm to 1.2 mm, the joint portion is formed of a joining metal brazing the base steel sheets of the press forming member and the flow path upper lid, and a partial flow path interval is 20 mm or less and a joining width is 3 mm or more.
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