Patent ID: 7757509
Filing Date: 2010-07-20
Classification: A23G

Abstract:
1. A portable instrument for providing an on-site ice cream, comprise of all natural ingredients, at a temperature range of −31° C. to −35° C. in front of a customer is comprised of; a compressor equipped with a condenser having heat removal capacity of 12,000 BTU/hr, and an exit tube one end of which is connected to the compressor and the other end is connected to the condenser to carry compressed refrigerator gas from the compressor to the condenser, and a condenser tube that carries out liquefied refrigerator from the condenser and delivers it to an outlet copper coil, and an expansion valve, where the liquefied refrigerator evaporates, and an outlet copper tube, one end of which is connected to the expansion valve, and a coiled coolant pipe, one end of which is connected to the outlet copper tube and the other end is connected to an inlet copper tube, and a stainless steel shallow bowl shape plate welded on the coolant pipes, and an inlet copper tube, and a separator that collects liquefied refrigerant droplets and evaporates them, and a by pass line that connects the exit tube and an outlet copper tube, and a solenoid valve that close and open the by pass line, and a foot stepper to control on/off of the solenoid valve.