| 摘要 |
A system for providing and delivering a preservative gas such as carbon dioxide to an enclosure such as a palletized container for a perishable food product such as strawberries includes a mechanism for accumulating and temporarily storing a predetermined desired quantity of the preservative gas in gaseous state; adjustable, timer-controlled mechanism for withdrawing a predetermined, desired volume of air or other gases from the enclosure; adjustable, timer-controlled means for directing and delivering a predetermined, desired quantity of the preservative gas from storage to the enclosure; and a mechanism for temporarily preventing operation of the mechanism for withdrawing gases from, and for directing gases to the enclosure while the storage means is filling with preservative gas.
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