Patent ID: 6766650
Filing Date: 2004-07-27
Classification: A23G,B67D

Abstract:
A method of controlling semi-frozen liquid beverage in a dispensing machine having a bowl to contain said beverage therein, a motor to turn a helical auger blade within said bowl to scrape the semi-frozen beverage, and a compressor to cool said beverage, which method comprises:actuating said compressor to said bowl until temperature of said beverage is cooled to reach an initial set point; deactivating said compressor to said bowl after temperature of said beverage is cooled at or below said set point; sensing torque on said motor caused by resistance to said auger blade after a defined time period following said switching off of said compressor; activating said compressor to said bowl if torque on said motor is below a certain level; and lowering said temperature set point from said initial set point to a lower set point to cool said product.