Patent ID: 8789213
Filing Date: 2014-07-29
Classification: E03D

Abstract:
1. A self-ventilating toilet bowl system, which comprises: a) a toilet bowl made homogeneously of any suitable material and having an inner chamber and a rim; b) means to connect said inner chamber via a toilet siphon to a flush water supply; c) means to connect said inner chamber to a drainage system; d) a generally vertical auxiliary elongated chamber extending below said rim to one side of a flush water duct, said auxiliary elongated chamber being open at the top, and having a second opening at its side which communicates directly into said inner chamber of said toilet bowl, above and downstream of said toilet siphon and independent of said toilet siphon, said auxiliary elongated chamber containing a supply of water having a water level which extends up to said second opening; e) a suction air fan unit having a suction air fan is positioned to the rear of said toilet bowl, said suction air fan unit including means for communicating with said inner chamber of said toilet bowl to draw gases thereto, said suction air fan unit further having means to direct gases removed from said toilet bowl to a generally elongated tubular member which extends into said auxiliary elongated chamber and below said water level in said auxiliary elongated chamber, to thereby form a water trap; and f) a water supply device positioned and adapted to supply water to said water trap when said water level of said water trap falls below the bottom end of said tubular member.