Patent ID: 6694534
Filing Date: 2004-02-24
Classification: E03D

Abstract:
A ventilation system for use with a toilet including a bowl with an opening disposed about its rim, a tank for storing water at a storage water level, a bowl filling hose, and a bowl fill pipe interconnecting the tank with the rim opening, the bowl fill pipe having a top end including an opening in fluid communication with the rim opening, said ventilation system comprising:a battery mounted to the toilet for supplying electrical power; air sweetening means in the tank for deodorizing or scenting air; air flow means positioned within the tank including: duct means adapted for receiving the bowl filling hose and adapted for attachment to the top end of the bowl fill pipe so as to receive air from the top end opening of the bowl fill pipe and not from the tank when water is at least at the storage water level; and fan means in said duct for moving air from the bowl through the rim openings, out the fill pipe opening, and over said air sweetening means such that sweetened air is expelled from the tank; and an electrical circuit connecting said battery to said fan for powering said fan when said circuit is activated; said electrical circuit including: a float switch including a float buoyed by tank water; said float switch having an active position when tank water level is above a predetermined level and having an inactive position when tank water level drops below a predetermined level; and an external fan switch external the tank switchable between an inactive position and an active position, whereby, if said float switch is active, said circuit will be activated until said float switch is inactive.