Feasible odorless water closet

Details Feasible odorless water closet Feasible odorless water closet

1998-05-26

1999-08-24

Fetsuga, Robert M.

Baths, closets, sinks, and spittoons

Ventilation

Electric-motor pump

E03D 9052

Patent

active

059408936

ABSTRACT:
Apparatus attached to an existing water closet for continuously evacuating odorous gas from the closet bowl through the overflow pipe and into the tank water during use of the water closet. A low voltage DC power supply and air blower are employed to create a vacuum situation inside a chamber sealed around the upper end of the overflow pipe. The chamber is assembled from four joined cylinders of varying size and shape. The odorous air is withdrawn from the bowl, compressed and exhausted into the tank water through an air duct having diffusers below the water surface.

REFERENCES:
patent: 4031574 (1977-06-01), Werner
patent: 4166298 (1979-09-01), Pearson
patent: 4583250 (1986-04-01), Valarao
patent: 4590629 (1986-05-01), Lusk
patent: 5718005 (1998-02-01), Ng

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