Variable control air valve and flush gate flapper

Details Variable control air valve and flush gate flapper Variable control air valve and flush gate flapper

1995-11-24

1998-10-13

Fetsuga, Robert M.

Baths, closets, sinks, and spittoons

Flush closet

Manual selection of the amount of flush

4404, E03D 114

Patent

active

058193294

ABSTRACT:
A retrofit toilet flush system with an externally mounted variable control air valve that will precisely regulate the amount of water used in each flush cycle. A gallon indicator numbered one through six, in increments of no less than forty indexed portions, can be set. The air valve works in combination with a self-purging flapper to control condensation in the tube and air valve. The air valve consists of two simple bi-part molded custom parts assembled together with one of each of the following standard parts: a snap pin, o-ring, washer, and a lubricated wiping pad. All parts are made of non-metallic, corrosion-proof materials. No tools or special skills are required for the less than two minute installation time with no water shut-off.

REFERENCES:
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patent: 2741776 (1956-04-01), Christie
patent: 2869141 (1959-01-01), Koch et al.
patent: 2883675 (1959-04-01), Hartman
patent: 2911008 (1959-11-01), DuBois
patent: 3324482 (1967-06-01), Wustner
patent: 3331084 (1967-07-01), Wustner
patent: 3341168 (1967-09-01), Toeppen
patent: 3365730 (1968-01-01), Chiappetta
patent: 3858250 (1975-01-01), Goglitore
patent: 3877428 (1975-04-01), Seagle et al.
patent: 5228144 (1993-07-01), Kightlinger
patent: 5228146 (1993-07-01), Martell
patent: 5259074 (1993-11-01), Battle

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