Patent ID: 6651448
Filing Date: 2003-11-25
Classification: A23G,A23L,F25B,F25C

Abstract:
An ice cream making system, comprising:an evaporator including a cooling chamber, the cooling chamber having an ice cream input and an ice cream output, wherein liquid ice cream is provided at the ice cream input and frozen ice cream is provided at the ice cream output; a gate at the ice cream output; at least one valve at the ice cream input, the valve allowing the liquid ice cream to enter the cooling chamber and the valve preventing the liquid ice cream from entering the cooling chamber in response to a control input; and a control system coupled to the control input, the control system ensuring that the valve is closed when the gate is closed, wherein the valve is controlled to ensure that the cooling chamber is no more than 75 percent filled during a hold mode, the hold mode being a state wherein additional ice cream is not being provided to the cooling chamber.