F - Mech Eng,Light,Heat,Weapons – 25 – C
Patent
F - Mech Eng,Light,Heat,Weapons
25
C
62/81
F25C 1/12 (2006.01) A23B 4/06 (2006.01) A23G 9/06 (2006.01) A23G 9/22 (2006.01) A23L 3/36 (2006.01) F25D 3/12 (2006.01) G05D 23/19 (2006.01)
Patent
CA 1152344
CONTROLLING TEMPERATURE OF A CRYOGENICALLY REFRIGERATED PRODUCT ABSTRACT The temperature of a product which is being chilled in a blender by introducing carbon dioxide in solid and gaseous form into the blender is controlled by sensing the power drawn by the drive motor coupled to the impeller. The power drawn by the motor is sensed and analyzed and, upon reaching a pre- determined value, the introduction of CO2 into the blender is terminated. As the product is chilled by contact with CO2 in the blender, the viscosity of the product will increase, which in turn, increases the power drawn by the motor. Variations in line voltage supplied to the motor and changes of the initial temperature of the product being chilled do not affect the final temperature to which the product may be accurately chilled.
385436
Barbini Richard J.
Leeds Richard L.
Montross Jeffrey A.
Airco Inc.
Gowling Lafleur Henderson Llp
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