F - Mech Eng,Light,Heat,Weapons – 28 – D
Patent
F - Mech Eng,Light,Heat,Weapons
28
D
62/5
F28D 3/00 (2006.01) A23G 9/12 (2006.01) A23G 9/20 (2006.01) A23G 9/22 (2006.01)
Patent
CA 1270656
FROZEN COMESTIBLES WITH OVER-RUN ABSTRACT A system is provided for making frozen comestibles, and the like. having an over-run. The system comprises a swept surface heat exchanger which includes a manifolded cylinder in which is disposed a tube having a dasher. Refrigeration means are connected to the manifolded cylinder and the tube is provided with an inlet and an outlet. The system further comprises an air/mix system which includes a positive displacement pump having a variable drive, an inlet for a mix, and an outlet. A magnetic flow meter receives mix from the pump outlet and provides a signal proportional to the flow of mix therethrough. The flow meter discharges into a conduit which communicates with the inlet to the tube of the swept surface heat exchanger. An air mass flow control means is connected between the mix conduit and to a source of pressured air. Electronic circuit means which is preferably a programmable computer receives signals from the flow meter and controls the variable drive on the pump and he pressured air through the air mass flow control means. The system may further include a means which is responsive to viscosity changes in the swept surface heat exchanger to control the refrigeration means. In addition, the system may comprise a hold system which closes off product from the heat exchanger, controls the refrigeration means and stops the pump, thereby permitting the dasher to continue to operate when there is no flow of mix through the heat exchanger.
519200
Goettsch Robin J.
Howell Ronald D.
Borden Ladner Gervais Llp
Cherry-Burrell Corporation
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