Method and apparatus of extreme vacuum cooling
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United States of America Patent
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Aug 6, 2024
Grant Date -
Aug 3, 2023
app pub date -
Jan 27, 2023
filing date -
Sep 8, 2021
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Abstract
A method and apparatus is disclosed relating to food preparation in commercial kitchens and food processing plants. The disclosed extreme vacuum cooling (EVC) technology and apparatus can work in ultra low pressure conditions with adaptive pressure control to avoid potential liquid splash inside the vacuum chamber caused by un-controlled low pressure conditions. Clean air is added into the vacuum chamber to allow the chamber pressure to track a setpoint trajectory that may have ramp up periods in order to avoid liquid splash events. The apparatus enables the user to cool various kinds of foods quickly, save energy, and meet food safety regulations.
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