Apparatus and methods for vacuum cooling produce

Details Apparatus and methods for vacuum cooling produce Apparatus and methods for vacuum cooling produce

1998-03-17

1999-11-30

Doerrler, William

Refrigeration

Vacuumized chamber with open vapor or gas outlet

System, i.e., multiple treating or fluid handling means

62 64, 62264, 62100, F25B 1900

Patent

active

059921692

ABSTRACT:
Method and apparatus for vacuum cooling field harvested produce such as lettuce includes a vacuum chamber, a partial vacuum-forming mechanism in the chamber, a water discharging mechanism in the chamber for spraying water onto the produce to cool the produce, and a mechanism in the chamber for detecting and adjusting the temperature and pressure, dynamically, to minimize undesired removal of water from the surface and interstitial tissues of the produce.

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patent: 5386703 (1995-02-01), Later

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