FIELD: electrical engineering.
SUBSTANCE: proposed assembly has tubular bushing joined with battery cover provided with one or more passages for communicating with surrounding atmosphere. Flexible cap, essentially tubular in shape, has open end and that closed with bottom; it is loosely mounted on outer surface of tubular bushing. Flexible cap has body with at least one first part whose cylindrical surface is close to mentioned bottom and thickness is smaller than that of second cylindrical part of body close to open end of mentioned cap; first part is distinguished by radial elastic strain relative to remaining part that performs sealing function.
EFFECT: enhanced reliability of battery sealing and ventilation, guaranteed operating time of valve assembly defined as response time between valve opening and closing.
5 cl, 9 dwg
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