Chemistry: electrical current producing apparatus – product – and – Means externally releasing internal gas pressure from closed... – Blowout type
Patent
1979-05-18
1981-02-10
Walton, Donald L.
Chemistry: electrical current producing apparatus, product, and
Means externally releasing internal gas pressure from closed...
Blowout type
429176, H01M 212
Patent
active
042502322
ABSTRACT:
A safety enclosure assembly for electric storage batteries of the type used in the operation of motor vehicles, marine vessels and the like is disclosed. The assembly includes a casing or container of familiar size and shape having the usual number of cells for receiving the battery plate assemblies and electrolyte. A gas diverter is provided for each cell and is in the form of a blow-out section or flap formed in the side wall of the casing. The flaps are formed by scoring the casing wall to the shape of the flaps whereby the flaps will be forced open in the event of an explosion within the case. A channel piece is fixed to the casing to form a passageway for directing any high pressure explosion gases and electrolyte downwardly towards the base of the casing. The enclosure assembly also includes cell filler units each of which has a cup-shaped well having flame arrester openings through its bottom and gas vent openings through its side wall. Each cell filler unit is closed by a vent plug having a disc-shaped cap with a hollow plug secured thereto. The plug is also provided with flame arrester openings which also serve to pass vent gases flowing from the vent openings in the well. The cover for the container is provided with strengthening ribs on its underside and strengthening flanges at the regions where the cover is secured to the casing. The ribs and flanges serve to maintain the cover intact in the event of an internal explosion insuring that the safety flaps blow out whereby the high pressure gases are diverted downwardly of the casing.
REFERENCES:
patent: 1613955 (1927-01-01), Lesley
patent: 2937223 (1960-05-01), Thompson
patent: 3204156 (1965-08-01), Moresi et al.
patent: 3219488 (1965-11-01), Southworth
patent: 3329531 (1967-07-01), Hennen
patent: 3388007 (1968-06-01), Fiandt
patent: 4113925 (1978-09-01), Kohler et al.
Bogdon Paul
Walton Donald L.
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