초록 ▼

A vault for storing batteries underground, having glass fiber reinforced concrete body including a floor and vertical walls, and an insulated fiberglass top closure, and a method of storing batteries. Two conduits disposed in generally concentric fashion communicate between the interior of the vault

A vault for storing batteries underground, having glass fiber reinforced concrete body including a floor and vertical walls, and an insulated fiberglass top closure, and a method of storing batteries. Two conduits disposed in generally concentric fashion communicate between the interior of the vault and the external atmosphere. One conduit has a connector for connecting to a supply of pressurized nitrogen gas. The other conduit branches into two secondary conduits, each having a unidirectional check valve opening when a pressure differential between the interior of the vault is established relative to the external atmosphere. One check valve admits air to the vault and the other check valve allows air to escape to the external atmosphere. The vault includes an external support structure for supporting a davit in an operable position for lifting batteries from the vault. The method of storing the batteries includes burying a water tight vault in the ground, venting the vault, and periodically purging air from the vault under pressure.

대표청구항 ▼

[ I claim:] [1.] A vault suitable for underground burial, for storing batteries, said vault comprising a water impervious receptacle formed from fiber reinforced concrete with randomly oriented fibers distributed throughout said concrete, wherein said fibers are impervious to alkaline influences, sa

[ I claim:] [1.] A vault suitable for underground burial, for storing batteries, said vault comprising a water impervious receptacle formed from fiber reinforced concrete with randomly oriented fibers distributed throughout said concrete, wherein said fibers are impervious to alkaline influences, said receptacle having a floor and vertical walls enclosing a storage space for storing the batteries, anda water impervious closure for affording access to said storage space, said closure having temperature insulation disposed to insulate said storage space when said closure closes said receptacle, and said receptacle being unencumbered by insulation.