Design and development of an odorless toilet
Roloff, Thomas Paul
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The design and development of a novel system for removing odorous gases from toilets is presented. A review of the numerous existing patents for mechanical systems designed to deodorize commodes, none of which is fully satisfactory, shows that they all employ suction using one of two basic configurations: single point suction or perimetral suction, to remove the obnoxious fumes. The present design uses the single suction approach with two new features added: the use of an activated charcoal filter to deodorize the gases removed from the toilet, and the recirculation of part of the deodorized gases into the bowl to augment the suction and thereby expedite the cleansing of the air within the toilet. Since all essential functions are performed either within the seat or completely external to the toilet proper, the unit can be easily retrofitted to any commode by replacing the existing seat.
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