Passive dispenser

Details Passive dispenser Passive dispenser

1982-02-08

1983-12-13

Marcus, Stephen

Baths, closets, sinks, and spittoons

Disinfection

Dispensing to air from closet

4227, E03D 902, E03D 903

Patent

active

044197713

ABSTRACT:
The present invention provides a passive dispenser for use in a toilet tank in which the solution to be dispensed is isolated from the water in the toilet tank. The dispenser comprises of internal reservoir for storing a quantity of the solution, an upper venting means having passive means to provide an upper air-lock, and discharge/refill conduit disposed below the upper venting means, the conduit comprising an air trap chamber and an air refill chamber connected by a transfer port so as to provide a lower air-lock for isolating the solution from the water in the toilet tank.

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