Temperature-sensitive thermal insulators for lead-acid batteries
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United States of America Patent
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May 14, 1996
Grant Date -
N/A
app pub date -
Jan 26, 1994
filing date -
Jan 26, 1994
priority date (Note) -
Expired
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Abstract
Temperature-sensitive thermal insulators for batteries are provided for. The thermal insulators are fabricated from barrier film and have one or more expandable chambers containing a fluid. The fluid has a vaporization temperature of from about 90.degree. F. to about 200.degree. F., preferably from about 100.degree. F. to about 130.degree. F. The insulator has a first volume above the fluid vaporization temperature which is greater than a second volume of the insulator below the fluid vaporization temperature.
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