Patent ID: 7974527

Claim:
A liquid dispenser, comprising: a common housing including a first liquid-retaining chamber and a second liquid-retaining chamber, said first chamber being accessible to enable liquid to be placed therein and said second chamber being situated within a closed interior space of said housing; a heating system arranged in said housing and associated with only said first chamber to heat liquid in said first chamber, said second chamber not being directly heated by said heating system, being thermally insulated to prevent indirect heating by said heating system and not being intentionally heated by any other heating system such that the liquid is heated only when in said first chamber; a conduit system arranged in said housing to allow only a one-way flow of liquid from said first chamber to said second chamber without allowing flow of liquid from said second chamber to said first chamber, said conduit system also being arranged to prevent formation of a fluid connection between liquid in said first and second chambers; and a dispensing system having an outlet from which liquid placed into said first chamber is dispensed, said second chamber being fluidly coupled only to said first chamber and said outlet such that said second chamber receives fluid only from said first chamber and provides fluid only to said outlet, said outlet receiving fluid only from said second chamber.