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US 6,709,783 B2Granted
Battery pack cooling structure
AssigneeMatsushita Electric Industrial Co., Ltd.
InventorsYoshiaki Ogata, Shinji Hamada
Life of this patent
Estimating the term…
Abstract
In a battery pack 1 wherein prismatic battery modules 2 are arranged parallel with each other, cooling passages 7 are formed by interposing spacers 6 made of metallic material between mutually facing long side faces 2a, 2a of the battery modules 2, 2.
Claims4
A cooling structure for a battery pack, wherein prismatic battery modules are arranged parallel with each other such that their side faces of largest area face each other, comprising:
- a plurality of spacers made of a metallic material and interposed between mutually opposed side faces of the battery modules, said plurality of spacers being configured such as to form cooling medium passages between the battery modules;
- wherein the spacers are made of aluminum or aluminum alloy.
Dependencies are inferred from the claim text.