Battery cooling system

Details Battery cooling system Battery cooling system

1998-07-01

2000-08-22

Chaney, Carol

Chemistry: electrical current producing apparatus, product, and

With heat exchange feature

H01M 1050

Patent

active

061069728

ABSTRACT:
A cooling apparatus communicates through a communicating pipe with an inside space of an airtight casing in which a plurality of battery cells are hermetically held. The cooling apparatus and the inside space of the airtight casing are filled with high boiling point coolant. The coolant absorbs heat developed by the plurality of battery cells in the airtight casing so that it evaporates. The evaporated (gaseous) coolant rises toward the cooling apparatus and is condensed in the cooling apparatus. Then the condensed (liquid) coolant returns to around the battery cells by its self-weight. Accordingly, the battery cells are uniformly and efficiently cooled not to have variation in temperature therein.

REFERENCES:
patent: 4329407 (1982-05-01), Gross et al.
patent: 4415847 (1983-11-01), Galloway
patent: 5625742 (1997-04-01), Boffito et al.

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