METHOD AND APPARATUS FOR APPLYING ELECTRICAL CHARGE THROUGH A LIQUID HAVING ENHANCED SUSPENSION PROPERTIES

• US 20100147700A1
• Filed: 12/16/2009
• Published: 06/17/2010
• Est. Priority Date: 12/17/2008
• Status: Abandoned Application

• Current Assignee: Tennant Company
• Original Assignee: Tennant Company
• Inventors: Denison, Thomas R., Field, Bruce F.
• Application Number:
  US12/639,628
• Publication Number:
  US 20100147700A1
• Time in Patent Office: Days
• US Class Current: 205/687
• CPC Class Codes: A47L 11/4083 Liquid supply reservoirs; Preparation of the agents, e.g. mixing devices
• CPC Class Codes: A47L 13/22 with liquid-feeding devices
• CPC Class Codes: A47L 13/26 Other cleaning devices with liquid supply arrangements such arrangements on floor-polishing machines A47L11/00, on scrapers A47L13/03, on mops A47L13/22; cloths, pads, or the like containing cleaning agents A47L13/17, A47L13/19
• CPC Class Codes: A61L 2/035 Electrolysis
• CPC Class Codes: A61L 2/22 Phase substances, e.g. smokes, aerosols or sprayed or atomised substances
• CPC Class Codes: Y02W 10/37 using solar energy

Abstract

An apparatus and method are provided. The method includes for example, treating a liquid in an apparatus to increase suspension properties of the liquid and dispensing the treated liquid from the apparatus to a surface or volume of space so as to create an electrically conductive path by the treated liquid from the apparatus to the surface or volume of space. During the step of dispensing, an alternating electric field is generated from the apparatus to the surface or volume of space, through the liquid along the conductive path, wherein the electric field is sufficient to destroy at least one microorganism from the surface or in the volume of space.

Claims

1. An apparatus comprising:

a container configured to engage a liquid and at least one compound configured to increase suspension properties of the liquid to provide a treated liquid;

a liquid flow path coupled to the container;

a liquid dispenser coupled in the liquid flow path, adapted to dispense the treated liquid to a surface or volume of space;

an electrode electrically coupled to the liquid flow path; and

a control circuit adapted to generate an alternating electric field between the electrode and the surface or volume of space, through the dispensed treated liquid, without a corresponding return electrode.

2. The apparatus of claim 1, wherein the at least one compound comprises at least one surfactant.

3. The apparatus of claim 1, wherein the at least one compound comprises at least one liquid-activating material.

4. The apparatus of claim 3, wherein the at least one liquid-activating material comprises a material selected from the group consisting of zeolites, ion-exchange resins, and combinations thereof.

5. The apparatus of claim 1, and further comprising a reservoir configured to retain the liquid, the reservoir being coupled to the liquid flow path at a location upstream from the container.

6. The apparatus of claim 1, wherein the container comprises a cartridge that is configured to removably engage the liquid fluid path.

7. The apparatus of claim 1, wherein the apparatus comprises a hand-held spray device, and wherein the liquid dispenser comprises a spray nozzle.

8. The apparatus of claim 7, wherein the apparatus further comprises:

a pump coupled to the liquid flow path; and

a power source electrically coupled to the control circuit.

9. The apparatus of claim 1, wherein the apparatus comprises a mobile floor surface cleaner, which comprises:

at least one wheel configured to move the cleaner over a surface;

a pump coupled to the liquid flow path; and

a motor coupled to drive the at least one wheel.

10. The apparatus of claim 9, and further comprising a reservoir configured to retain the liquid, the reservoir being coupled to the liquid flow path at a location upstream from the container.

11. A method comprising:

treating a liquid in an apparatus to increase suspension properties of the liquid;

dispensing the treated liquid from the apparatus to a surface or volume of space so as to create an electrically conductive path by the treated liquid from the apparatus to the surface or volume of space; and

during the step of dispensing, generating an alternating electric field from the apparatus to the surface or volume of space, through the liquid along the conductive path, wherein the electric field is sufficient to destroy at least one microorganism from the surface or in the volume of space.

12. The method of claim 11, wherein treating the liquid in the apparatus comprises engaging the liquid with at least one compound configured to increase the suspension properties of the liquid.

13. The method of claim 12, wherein the at least one compound comprises a suspension additive that comprises a surfactant.

14. The method of claim 12, wherein the at least one compound comprises a liquid-activating material.

15. The method of claim 14, wherein the liquid-activating material comprises a material selected from the group consisting of zeolites, ion-exchange resins, and combinations thereof.

16. The method of claim 12, and further comprising feeding the liquid from a reservoir of the apparatus to a container of the apparatus that retains the at least one compound.

17. The method of claim 16, and further comprising engaging the container to a liquid fluid path of the apparatus.

18. The method of claim 11, wherein treating the liquid in the apparatus comprises altering an oxidation reduction potential of the liquid.

19. The method of claim 18, wherein altering the oxidation reduction potential of the liquid comprises electrochemically activating the liquid in at least one electrolysis cell of the apparatus.

20. The method of claim 18, wherein altering the oxidation reduction potential of the liquid comprises engaging the liquid with at least one liquid-activating material.

21. The method of claim 11, and further comprising suspending the at least one microorganism from the surface within the treated liquid.

22. The method of claim 11, wherein during the step of dispensing, maintaining a distance of zero to ten inches from a nozzle outlet of the apparatus to the surface or volume of space.

23. A method comprising:

treating a liquid in an apparatus to alter an oxidation reduction potential of the liquid;

dispensing the treated liquid from the apparatus to a surface or volume of space so as to create an electrically conductive path by the treated liquid from the apparatus to the surface or volume of space; and

during the step of dispensing, generating an alternating electric field from the apparatus to the surface or volume of space, through the liquid along the conductive path, wherein the electric field is sufficient to destroy at least one microorganism from the surface or in the volume of space.

24. The method of claim 23, wherein treating the liquid in the apparatus comprises engaging the liquid with at least one compound configured to alter the oxidation reduction potential of the liquid.

25. The method of claim 24, wherein the at least one compound comprises a liquid-activating material.

26. The method of claim 25, wherein the liquid-activating material comprises a material selected from the group consisting of zeolites, ion-exchange resins, and combinations thereof.

27. The method of claim 23, and further comprising feeding the liquid from a reservoir of the apparatus to a container of the apparatus that retains the at least one compound.

28. The method of claim 23, wherein treating the liquid in the apparatus comprises electrochemically activating the liquid in at least one electrolysis cell of the apparatus.

29. The method of claim 23, and further comprising suspending the at least one microorganism from the surface within the treated liquid.

30. The method of claim 23, wherein during the step of dispensing, maintaining a distance of zero to ten inches from a nozzle outlet of the apparatus to the surface or volume of space.