Patent Number: 6,637,214

Title: Frozen custard machine

Abstract: A method and machine for making frozen custard or similar products includesa freezing barrel, a pump for providing liquid mix to the freezing barrel,a dasher positioned in the freezing barrel for driving product through anddispensing the product from the freezing barrel, and a refrigerationsystem for chilling the freezing barrel. A user interface allows anoperator to select from among a plurality of production rates. A systemcontroller automatically controls the pumping rate, dasher motor speed,and chilling level to produce a product in the freezing barrel at thedesired production rate and having the desired product quality andconsistency. An ultrasonic sensor may be employed to monitor a level ofliquid mix in a liquid mix container. A warning signal may be provided tothe operator when the level of mix in the container runs low.

Inventors: Leitzke; Daniel W. (Waukesha, WI), Martello; Patrick J. (Brookfield, WI)


International Classification: A23G 9/04 (20060101); A23G 9/22 (20060101); A23G 9/16 (20060101); A23G 9/28 (20060101); F25C 1/12 (20060101); F25C 1/14 (20060101); F25C 001/18 (); A23G 009/00 ()

Expiration Date: 10/22015