H - Electricity – 01 – M
Patent
H - Electricity
01
M
319/48
H01M 2/12 (2006.01)
Patent
CA 1207833
BATTERY VENTING SYSTEM Abstract of the Disclosure An electric storage battery having a battery gas venting system including: an electrolyte-trappig chamber; an exhaust port for venting battery gases to the ambient; a porous flame arresting filter between the electrolyte-trapping chamber and the port; a combustion chamber adjacent the exhaust port for the controlled combustion of the battery gases; a buffer chamber intermediate the porous filter and the combustion chamber; a partition separating the combustion and buffer chambers; and a relatively small aperture communicating the combustion and buffer chambers one with the other. The aperture between the buffer and combustion chambers preferably has an effective cross- sectional area which is no more than about one-half the cross-sectional area of the exhaust port.
438722
General Motors Corporation
Gowling Lafleur Henderson Llp
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