Passive dispenser having a double air vent system

Details Passive dispenser having a double air vent system Passive dispenser having a double air vent system

E - Fixed Constructions

03

D

4/17.7

E03D 9/02 (2006.01) B01F 1/00 (2006.01) E03D 9/03 (2006.01)

Patent

CA 1174802

05T4L III. Abstract: ABSTRACT OF THE INVENTION 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 comprising a product chamber having a venting means and a refill/discharge pathway which are held in fluid communication by an inclined conduit. Hydrostatic head obtained by use of the venting conduit in conjunction with the inclined conduit is utilized to prevent the solution from flowing out of the product chamber during quiescent periods. Constriction means in the venting conduit are preferred to modify equilibrium hydraulic forces during the flush/refill cycles.

416755

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