Method and apparatus for disinfecting a refrigerated water cooler reservoir

  • US 7,175,054 B2
  • Filed: 11/28/2001
  • Issued: 02/13/2007
  • Est. Priority Date: 12/23/1998
  • Status: Expired due to Term
First Claim
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1. A water dispenser, comprising:

  • a) a cabinet having upper and lower end portions and an interior;

    b) the upper end portion of the cabinet having a cover with an opening for receiving and holding a bottle of water to be dispensed;

    c) reservoir contained within the cabinet, the reservoir containing water with a water surface;

    d) one or more spigots in fluid communication with the reservoir for dispensing water, each spigot having a manually operable valve handle that opens the spigot to dispense water from the spigot;

    e) a refrigeration system for cooling water within the reservoir;

    f) a diffuser for emitting bubbles into the reservoir, said diffuser being a porous body having pores and contained within the reservoir that generates bubbles of a size that is defined by the size of the pores;

    g) an ozone generator housing supported next to the cabinet, said housing having an ozone generator inside the housing and air flow lines for transmitting air to and from the housing interior; and

    h) a timer that activates the ozone generator for a selected time interval.

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