Patent ID: 9475582
Filing Date: 2016-10-25
CPC Classification: B64D,Y10T

Claim Text:
1. An aircraft potable-water system comprising: a storage tank that is full when it contains a set amount of potable water and not full when it contains less than this amount; a ground-fill line having an upstream end adapted for connection to an external potable-water source and a downstream end communicating with the storage tank; an overflow line having an upstream end communicating with the storage tank and/or the ground-fill line and a downstream end communicating with a drain; a valve movable between an overflow-open position whereat potable water is not blocked from draining through the drain and an overflow-closed position whereat potable water is blocked from draining through the drain; and wherein the valve automatically moves and/or remains in its overflow-open position when storage tank is full and automatically moves and/or remains in its overflow-closed position when the storage tank is not full, this automatic movement being caused without manual or electrical interaction with the valve; and wherein the drain is a drainmast.