Vent valve for an amphibious equipment having a battery housing

Details Vent valve for an amphibious equipment having a battery housing Vent valve for an amphibious equipment having a battery housing

1993-08-30

1996-07-23

Maples, John S.

Chemistry: electrical current producing apparatus, product, and

Cell support for removable cell

Support or holder per se

429 99, H01M 210

Patent

active

055388078

ABSTRACT:
A device usable in water includes a battery housing arranged in the device to house a battery, the battery housing having a common wall shared by an outer wall of the device, the common wall having an opening, a valve normally actuated by an actuation member to close the opening and opening the opening against the actuation member by a predetermined difference between a pressure in the battery housing and a pressure external of the equipment, and an air-permeable and liquid-impermeable filter arranged in the battery housing to cover the opening.

REFERENCES:
patent: 5258242 (1993-11-01), Dean et al.

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