Method and apparatus for generating ozone containing fluid and foam

• US 8,672,187 B2
• Filed: 01/14/2011
• Issued: 03/18/2014
• Est. Priority Date: 02/27/2009
• Status: Active Grant

• Current Assignee: OP hygiene IP Gmbh
• Original Assignee: Gotohti.Com Inc.
• Inventors: Ophardt, Heiner
• Primary Examiner(s): Shearer, Daniel R
• Application Number:
  US12/929,315
• Publication Number:
  US 20110108410A1
• Time in Patent Office: 1,159 Days
• Field of Search: 222/145.1, 222/145.5, 222/181.1, 222/181.3, 222/190, 422/24, 422/28, 422/186.07, 422/186.12, 422/292, 210/760
• US Class Current: 222/145.5
• CPC Class Codes: A47K 5/1207 Dispensing from the bottom of the dispenser with a vertical piston
• CPC Class Codes: A47K 5/1217 Electrical control means for the dispensing mechanism

Abstract

A hand cleaner dispenser to dispense ozone containing fluid onto a user'"'"'s hand including an ozone generator generating ozone from atmospheric air by conversion of oxygen in the air in the ozone generator into ozone to form ozonated air and a pump mechanism to draw air into the ozone generator and discharge the ozonated air from the ozone generator to a mixing chamber simultaneously with the pump mechanism drawing fluid from a reservoir and discharging fluid into the mixing chamber.

Claims

1. A hand cleaner dispenser dispensing ozone containing fluid onto a user'"'"'s hand comprising:

a fluid containing reservoir,

a pump mechanism including a housing and an impeller movable within the housing,

an air compartment and a liquid compartment formed within the housing between the housing and impeller,

the impeller movable relative the housing in a cycle of operation (a) to successively draw atmospheric air into the air compartment and discharge air from the air compartment and (b) to successively draw liquid from the reservoir into the liquid compartment and discharge liquid from the liquid compartment,

the air compartment defined at least in part by a wall of the housing which is transmits ultraviolet radiation,

an emitter of ultraviolet radiation when activated directs ultraviolet radiation through the wall into the air compartment to irradiate air in the air compartment with ultraviolet radiation adequate to convert oxygen in the air in the air compartment into ozone forming ozonated air,

a mixing chamber for simultaneous passage of ozonated air which has been discharged from the air compartment and fluid which has been discharged from the liquid compartment.

2. A hand cleaner dispenser dispensing an ozone containing fluid onto a user'"'"'s hand comprising:

a fluid containing reservoir,

an ozone generator,

a pump mechanism,

a mixing chamber,

a discharge outlet,

the ozone generator generating ozone from atmospheric air in the ozone generator by conversion of oxygen in the air in the ozone generator into ozone to form ozonated air,

the pump mechanism in a cycle of operation (a) drawing the atmospheric air into the ozone generator and discharging the ozonated air from the ozone generator into the mixing chamber;

(b) drawing fluid from the reservoir and discharging the fluid into the mixing chamber, and (c) providing simultaneous passage of the ozonated air and the fluid into the mixing chamber, through the mixing chamber and out the discharge outlet,

the mixing chamber mixing the ozonated air and fluid simultaneously passing therethrough into an ozone containing fluid which is discharged out the discharge outlet,

the pump mechanism comprises a manually operated pump mechanism coupled to an electrical generator for generating electrical energy such that on a user manually operating the ump mechanism the generator generates electrical energy,

the electrical energy generated by the electrical generator is used by the ozone generator to generate ozone.

3. A dispenser as claimed in claim 2 including a desiccant air filter to remove moisture from air passing therethrough,

the desiccant air filter upstream from the ozone generator whereby air drawn into the ozone generator first passes through the desiccant air filter.

4. A dispenser as claimed in claim 2 wherein

the pump mechanism having a liquid inlet in communication with fluid in the reservoir to draw fluid from the reservoir.

5. A dispenser as claimed in claim 4 wherein the ozone generator includes a corona discharge mechanism to generate ozone by electric discharge through the air in the air compartment.

6. A dispenser as claimed in claim 4 wherein

the ozone generator having an air compartment with an air inlet in communication with the atmosphere and an ozonated air outlet,

the ozone generator activatable to generate ozone in atmospheric air within the air compartment.

7. A dispenser as claimed in claim 6 wherein:

the pump mechanism comprises a pump having a liquid chamber compartment in communication with a reservoir containing the fluid as a liquid, the cycle of operation of the pump mechanism including the steps of drawing the liquid into the liquid compartment, and

discharging the liquid from the liquid compartment.

8. A dispenser as claimed in claim 7 wherein the pump comprises a housing and an impeller movable within the housing, the air compartment and the liquid compartment formed within the housing between the housing and impeller,

the air compartment is defined at least in part by a wall of the housing which transmits ultraviolet radiation,

the dispenser including an ultraviolet radiation emitter positioned outside of the air chamber which passes ultraviolet radiation through the wall into the air compartment to irradiate air in the compartment with radiation adequate to convert the oxygen in the air in the air compartment into ozone.

17. A dispenser as claimed in claim 5 wherein the ozone generator having an air compartment with an air inlet in communication with the atmosphere and an ozonated air outlet,

the ozone generator activatable to generate ozone in atmospheric air within the air compartment,

the air compartment is defined intermediate the piston chamber forming body and the piston forming element coaxially about the piston forming element.

18. A dispenser as claimed in claim 17 wherein the ozone generator includes an electromagnetic radiation emitter to generate ozone by radiating the air in the air compartment with electromagnetic radiation.

19. A dispenser as claimed in claim 18 wherein the air compartment forms a portion of the second pump and the volume of the air compartment changes with reciprocal coaxial sliding of the piston forming element and the piston chamber forming body.

9. A hand cleaner dispenser dispensing an ozone containing fluid onto a user'"'"'s hand comprising:

a fluid containing reservoir,

an ozone generator,

a pump mechanism,

a mixing chamber,

a discharge outlet,

the ozone generator generating ozone from atmospheric air in the ozone generator by conversion of oxygen in the air in the ozone generator into ozone to form ozonated air,

the pump mechanism in a cycle of operation (a) drawing the atmospheric air into the ozone generator and discharging the ozonated air from the ozone generator into the mixing chamber;

(b) drawing fluid from the reservoir and discharging the fluid into the mixing chamber, and (c) providing simultaneous passage of the ozonated air and the fluid into the mixing chamber, through the mixing chamber and out the discharge outlet,

the mixing chamber mixing the ozonated air and fluid simultaneously passing therethrough into an ozone containing fluid which is discharged out the discharge outlet,

the ozone generator having an air compartment with an air inlet in communication with the atmosphere and an ozonated air outlet,

the ozone generator activatable to generate ozone in atmospheric air within the air compartment,

the pump mechanism including a housing and an impeller movable within the housing,

the air compartment and a liquid compartment formed within the housing between the housing and impeller,

the impeller movable relative the housing in a cycle of operation (a) to successively draw atmospheric air into the air compartment and discharge air from the air compartment and (b) to successively draw fluid from the reservoir into the liquid compartment and discharge fluid from the liquid compartment,

the air compartment defined at least in part by a wall of the housing which is transmits ultraviolet radiation,

the dispenser including an emitter of ultraviolet radiation outside the air compartment which directs ultraviolet radiation through the wall into the air compartment to irradiate air in the air compartment with ultraviolet radiation adequate to convert the oxygen in the air in the air compartment into ozone forming the ozonated air.

10. A dispenser as claimed in claim 9 wherein

the ozone generator is powered by electrical energy from an electrical power source.

11. A dispenser as claimed in claim 10 wherein:

the pump mechanism having an ozonated air inlet in communication with the ozonated air outlet to draw ozonated air from the air compartment into the pump mechanism.

12. A dispenser as claimed in claim 11 wherein:

the fluid comprises a liquid which is capable of foaming, and

the dispenser including a foam generator between the pump mechanism and the discharge outlet whereby the ozonated air and fluid discharged by the pump mechanism simultaneously pass through the foam generator to generate an ozonated fluid-air mixture as a foam which is discharged out the discharge outlet.

13. A dispenser as claimed in claim 9 wherein:

the pump mechanism comprises is a manually operated pump coupled to an electrical generator for generating electrical energy such that on a user manually operating the pump the generator generates electrical energy,

the electrical energy generated by the electrical generator is used by the ozone generator to generate ozone.

14. A dispenser as claimed in claim 13 wherein the electrical generator is selected from a fuel cell, a piezoelectric generator and a generator generating electrical power by electromagnetic induction.

15. A hand cleaner dispenser dispensing an ozone containing fluid onto a user'"'"'s hand comprising:

a fluid containing reservoir,

an ozone generator,

a pump mechanism,

a mixing chamber,

a discharge outlet,

the ozone generator generating ozone from atmospheric air in the ozone generator by conversion of oxygen in the air in the ozone generator into ozone to form ozonated air,

the pump mechanism in a cycle of operation (a) drawing the atmospheric air into the ozone generator and discharging the ozonated air from the ozone generator into the mixing chamber;

(b) drawing fluid from the reservoir and discharging the fluid into the mixing chamber, and (c) providing simultaneous passage of the ozonated air and the fluid into the mixing chamber, through the mixing chamber and out the discharge outlet,

the mixing chamber mixing the ozonated air and fluid simultaneously passing therethrough into an ozone containing fluid which is discharged out the discharge outlet,

wherein the pump mechanism comprises a piston chamber forming body and a piston forming element reciprocally coaxially slidable relative the piston-chamber forming body to define a first pump and a second pump therebetween,

the first pump in communication with the reservoir to draw fluid from the reservoir and discharge the fluid,

the second pump in communication with the atmosphere to draw in atmospheric air and discharge the air.

16. A dispenser as claimed in claim 15 wherein

the mixing chamber is defined between the piston chamber forming body and the piston forming element,

fluid is discharged by the first pump into the mixing chamber,

air is discharged from the second pump into the mixing chamber simultaneously with discharge of fluid and air from the mixing chamber to the discharge outlet.