Method for controlling cryogenic flow in a food mixing machine
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United States of America Patent
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Mar 17, 1998
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app pub date -
Jun 17, 1996
filing date -
Jun 17, 1996
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Abstract
A cryogenic control system measures product temperature in a cryogenic food mixing machine such as a vacuum tumbler or agitator blender to determine the time it takes for the product to be chilled down to the point where the first cells of product start to freeze, and then stop the addition of cryogenic after a number of seconds beyond this point. By measuring the length of time it takes to chill the product down to the freezing point temperature, the proper forming point can be programmed as a multiple of this time.
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