Flooded lead acid battery with roll-over capability
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United States of America Patent
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Aug 29, 2000
Grant Date -
N/A
app pub date -
Mar 17, 1998
filing date -
Mar 17, 1998
priority date (Note) -
Expired
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Abstract
A flooded lead acid battery includes a casing enclosing a plurality of cells having liquid electrolyte therein and a cover incorporating negative and positive terminals and having a plurality of vent holes. The vent holes are covered by at least one closure having a vent cavity therein, and a relatively rigid porous polytetrofluorethylene disc having hydrophobic properties is sealed within the vent cavity.
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