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US 3,944,437 AGranted
Explosion proof venting device for electrical storage batteries
OwnerJoab Auerbachinventor
Life of this patent
Estimating the term…
Abstract
An explosion proof venting device for electrical storage batteries comprises a multi chamber plastic receptacle which may contain catalytic material or a gas drying filter, or both of them, a disc shaped porous flame barrier, having a central aperture, a hollow plunger which serves also as a filling funnel, and which may also contain an indicator device, and a cover shielding the flame barrier as well as the funnel.
Claims14
An explosion proof venting device for storage batteries, comprising:
- a cup shaped body having a substantially tubular lower end for connection with a cell aperture of the storage battery;
- a centrally pierced horizontal plate connected to said cup shaped body near the top thereof;
- a ring shaped disc of acid resistant porous material, serving as a flame barrier, attached to the underside of said horizontal plate;
- a lid carried on the top end of said cup shaped body and spaced from said horizontal plate, the space between said lid and said plate having access to the atmosphere;
- and
- directing means for forcing gas entering the tubular lower end of said cup shaped body to pass through said disc and said plate before passing to the atmosphere.
3 more elements
Dependencies are inferred from the claim text.