Patent ID: 7762431

Claim:
A refrigerated liquid dispenser, comprising: a pump configured for being in fluid communication with a source of a liquid product; a dispensing faucet configured for being in fluid communication with said pump, said dispensing faucet including a cold maintenance device located near the distal end of the dispensing faucet and an insulator device disposed adjacent to said cold maintenance device, said cold maintenance device having a distal end that projects beyond a lower surface of said insulator device; a dispensing tower for enclosing the dispensing faucet; an auxiliary cooling circuit configured to direct cool airflow toward said dispensing faucet, said auxiliary cooling circuit having a passageway that is at least partially located within said dispensing tower and said passageway is configured to deliver cool airflow through said passageway onto said dispensing faucet, to shield said dispensing faucet from ambient temperature, thereby maintaining said dispensing faucet and said passageway at a cool temperature to avoid contamination of the liquid; and a controller operatively coupled with said pump and said dispensing faucet to control the operation of said refrigerated liquid dispenser.