Vented plug for storage batteries

Details Vented plug for storage batteries Vented plug for storage batteries

1978-11-27

1980-06-24

LeFevour, Charles F.

Chemistry: electrical current producing apparatus, product, and

Means externally releasing internal gas pressure from closed...

429 89, H01M 212

Patent

active

042095727

ABSTRACT:
A vented plug for a storage battery, has a cap portion with a threaded stem depending therefrom for threaded engagement in the threaded fill opening of the storage battery, the interengaged threads of the stem and fill opening defining a helical space or labyrinth passage for escape of gases originating inside the battery, and providing an extensive area for condensation of liquid particles carried with the gas. Vent openings extend from the threaded area to outside the cap portion for venting the gases to atmosphere, while the condensed liquid flows back into the battery.

REFERENCES:
patent: 3388007 (1968-06-01), Fiandt

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