The subject matter discloses a water dispenser, comprising a water container, a water supply system, a fluid pump and a control unit. The water supply system is configured to supply water from the water container to a hot water reservoir and to a cold water reservoir and is further configured to pro
The subject matter discloses a water dispenser, comprising a water container, a water supply system, a fluid pump and a control unit. The water supply system is configured to supply water from the water container to a hot water reservoir and to a cold water reservoir and is further configured to provide hot water from said hot water reservoir and cold water from said cold water reservoir to a user of said water dispenser. The fluid pump is fluidly coupled to a fluid flow system and the water supply system and is configured to pump a quantity of hot water from the hot water reservoir to the water container via a fluid flow conduit of the fluid flow system for a cleansing operation of at least the fluid flow system. The control unit is in communication with the fluid pump for controlling the cleansing operation.
대표청구항▼
1. A water dispenser comprising: a water container;a water supply system configured to supply water in a forward direction from the water container to a hot water reservoir via a hot water conduit and to a cold water reservoir via a cold water conduit, and in a reverse direction from the hot water r
1. A water dispenser comprising: a water container;a water supply system configured to supply water in a forward direction from the water container to a hot water reservoir via a hot water conduit and to a cold water reservoir via a cold water conduit, and in a reverse direction from the hot water reservoir to the water container via the hot water conduit, and from the cold water reservoir to the water container via cold water conduit, and further configured to provide hot water from said hot water reservoir and cold water from said cold water reservoir to a user of said water dispenser;a fluid flow system, supplies water in the forward direction from the water container to the water supply system via a fluid conduit, and in the reverse direction from the water supply system to the water container via the fluid conduit;a reversible fluid pump fluidly coupling said fluid flow system and said water supply system, said pump configured to pump in the forward direction, and for a cleansing operation to pump in the reverse direction a quantity of hot water from said hot water reservoir through an open hot water valve on the hot water conduit, and into the water container via the fluid flow conduit of said fluid flow system, for cleansing at least said fluid flow system and the water container; anda control unit in communication with the fluid pump for controlling the pumping direction and the cleansing operation, wherein said control unit instructs a cold water valve on the cold water conduit to close prior to the cleansing operation. 2. The water dispenser according to claim 1, wherein said fluid flow system comprises a fluid connector for fluidly coupling said fluid flow conduit and said water container. 3. The water dispenser according to claim 1, wherein said control unit is operable to reconfigure said fluid pump to pump in the forward direction. 4. The water dispenser according to claim 1, wherein said water container comprises a bag-in-box container. 5. The water dispenser according to claim 1, wherein said pump is configured to pump the quantity of hot water from said hot water reservoir to the water container during at least first time period when the water container is empty. 6. The water dispenser according to claim 5, wherein said first time period is in a range of 1 second to 15 seconds. 7. The water dispenser according to claim 5, wherein said quantity of hot water cleanses said fluid flow system during a second time period. 8. The water dispenser according to claim 7, wherein said second time period is in a range of 1 minute to 7 minutes. 9. The water dispenser according to claim 1, further comprising a display electrically coupled to said control unit and being operable to display a status of the cleansing operation. 10. The water dispenser according to claim 1, wherein said quantity of hot water is in the range of 5-50 ml. 11. The water dispenser according to claim 1, further comprising a drain valve, wherein said drain valve is configured to an open state while draining residual water remaining in the water dispenser following said cleansing operation. 12. The water dispenser according to claim 5, wherein said drain valve is configured to a closed state during at least the first time period. 13. A method for performing a cleansing operation on a water dispenser, the method comprising: providing a water dispenser, the water dispenser comprising a water container, a water supply system configured to supply water in a forward direction from the water container to a hot water reservoir via a hot water conduit and to a cold water reservoir via a cold water conduit, and in a reverse direction from the hot water reservoir to the water container via the hot water conduit, and from the cold water reservoir to the water container via the cold water conduit, and further configured to provide hot water from said hot water reservoir and cold water from said cold water reservoir to a user of said water dispenser, and a fluid flow system, supplies water in the forward direction from the water container to the water supply system via a fluid conduit, and in the reverse direction from the water supply system to the water container via the fluid conduit;commencing the cleansing operation by closing a cold water valve on the cold water conduit;configuring a reversible fluid pump of the water dispenser configured to pump fluid in the forward direction, and via a control unit during the cleansing operation to pump in the reverse direction a quantity of hot water from said hot water reservoir through an open hot water valve on the hot water conduit into the water container via the fluid conduit of said fluid flow system; andcleansing said water container using said fluid flow system with said quantity of hot water. 14. The method for cleansing a water dispenser according to claim 13, comprising pumping the quantity of hot water from said hot water reservoir to the water container for at least a first time period, said pumping performed when the water container is empty. 15. The method for cleansing a water dispenser according to claim 14, comprising cleaning said water container and said fluid flow system during a second time period. 16. The method according to claim 14, wherein said first time period is in a range of 1 second to 15 seconds. 17. The method according to claim 14, comprising drain valve to a closed state during at least the first time period. 18. The water dispenser according to claim 2, wherein the control unit instructs the fluid pump to cease pumping, and further wherein said quantity of hot water is retained in the fluid conduit, a fluid connector and the water container for a third predetermined cleansing time period. 19. The water dispenser according to claim 1, wherein the control unit further instructs the hot water valve and a sanitation valve to open prior to the cleansing operation. 20. The water dispenser according to claim 1, wherein the temperature required for the cleansing operation is approximately 90° C.
Mrugala Ronald J. (Rockford IL) Raymer Doyle (Davis IL) Negandhi Dipak J. (Freeport IL) Latzko Robert L. (Wauwatosa WI), Bottled water cooler having vent on demand delivery system.
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