Chlorine dioxide biofilm prevention device
AssigneeKohler Co.
InventorYunjie Zhang
Life of this patent
Estimating the term…
Abstract
Described herein is a biofilm prevention device including a first chamber configured to store a dry precursor, a second chamber configured to receive a predetermined volume of water, a first valve disposed between the first chamber and the second chamber configured to convey a predetermined quantity of dry precursor into the second chamber, and a second valve disposed at an outlet of the second chamber, the second valve configured to control a flow of chlorine dioxide solution to the plumbing fixture.
Claims20
A biofilm prevention device for a plumbing fixture, the device comprising:
- a first chamber configured to store a dry precursor;
- a second chamber configured to receive a predetermined volume of water;
- a conveyor disposed between the first chamber and the second chamber, the conveyor configured to convey a predetermined quantity of dry precursor into the second chamber;
- and
- an outlet valve disposed at an outlet of the second chamber, the outlet valve configured to control a flow of chlorine dioxide solution to the plumbing fixture coupled to a sink drain pipe, a shower drain pipe, a urinal drain pipe, or a bathtub drain pipe.
A biofilm prevention device, the device comprising:
- a first chamber configured to store a dry precursor;
- a second chamber configured to receive a predetermined volume of water;
- a first valve disposed between the first chamber and the second chamber, the first valve configured to convey a predetermined quantity of dry precursor into the second chamber;
- a conduit coupled to the second chamber, the conduit being in-line with one or more plumbing fixtures;
- and
- a second valve disposed at an outlet of the second chamber, the second valve configured to control a flow of chlorine dioxide solution to the conduit.
A method for disinfecting a plumbing fixture, the method comprising:
- providing a predetermined volume of water to a mixing chamber;
- providing a predetermined quantity of dry precursor to the mixing chamber;
- opening an outlet valve;
- and
- providing a flow of chlorine dioxide solution through the outlet valve to the plumbing fixture.
Dependencies are inferred from the claim text.