Dispenser with fluid pathway including valve to form air lock

Details Dispenser with fluid pathway including valve to form air lock Dispenser with fluid pathway including valve to form air lock

1986-07-31

1987-11-24

Artis, Henry K.

Baths, closets, sinks, and spittoons

Disinfection

Dispensing to air from closet

4227, 4222, E03D 902

Patent

active

047078650

ABSTRACT:
A toilet tank dispenser having an inlet/outlet tube and including a valve which restricts water flow in one direction while not substantially restricting water flow in the opposite direction. The valve causes the water flowing into the inlet/outlet tube during the filling cycle to flow sufficiently slowly to create an air space in the tube. The air space becomes an air bubble in the top of the inlet/outlet tube during quiescent periods to isolate the dispenser contents from the tank.

REFERENCES:
patent: 4453278 (1984-06-01), Doggett et al.
patent: 4485500 (1984-12-01), Melville, Jr.
patent: 4491988 (1985-01-01), Mizuno
patent: 4534071 (1985-08-01), Russomanno
patent: 4581777 (1986-04-01), Newgard et al.

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