Urine disposal bypass unit

A urine disposal bypass unit comprising a bowl having a top peripheral edge defining an opening for receiving urine and a bottom outlet for disposing of the urine and presenting an annular valve seat;

• a valve housing at the outlet side of the valve seat;
• one-way valve means disposed at said outlet of said bowl and including a normally biased closed valve plate within the housing for selective opening and closing movements relative to said valve seat and movable under influence of liquid thereon for selective relative cooperation with said valve seat in open position to permit downward flow of urine therethrough and in closed position to prevent gases from flowing upward therethrough into said bowl, said one-way valve means including a support member within the housing mounting the valve plate and cooperating with the housing in defining a liquid trap for maintaing a predetermined volume of liquid below said outlet;
• said valve plate comprises a disk member centrally mounted on said support member and normally biased to seated closed position on the valve seat;
• drain conduit means having a first end coupled with said one-way valve means to receive liquid from said outlet of said bowl and a second end adapted to be coupled with a main drain;
• spray means mounted on said bowl to supply flushing liquid to said bowl;
• and
• flush valve means mounted on said bowl to supply flushing liquid to said spray means whereby the flushing liquid is maintained in said liquid trap in said one-way valve means.