Patent 7712321 was granted and assigned to Bunn-o-Matic Corporation on May, 2010 by the United States Patent and Trademark Office.
A method and apparatus for producing a chilled or partially frozen beverage is provided. The system includes a beverage hopper (32) a chilling unit (44), a rotatable mixing member (38), a sensing member (230) for detecting an occurrence of a rotation reversal condition, a controller for generating a rotation reversal signal in response to the sensing member, and a drive motor (36) coupled to the mixing member for rotating the mixing member in a first direction and a second, reverse direction in response to a rotation reverse signal.