Refrigeration – Storage of solidified or liquified gas – Liquified gas transferred as liquid
Patent
1987-08-11
1989-01-03
King, Lloyd L.
Refrigeration
Storage of solidified or liquified gas
Liquified gas transferred as liquid
62388, 62457, F17C 702
Patent
active
047947616
ABSTRACT:
A top structure for closing the top of an insulated box like transport container and for cooling goods therein is formed as a block like unit of foamed or cellular plastic. The top structure has cavities for receiving an un-pressurized liquid cooling medium that evaporates to a gaseous state, and that emerges into the container to keep the contents thereof at a predetermined temperature. The cavities for the liquid cooling medium are formed directly in the foamed or cellular plastic and communicate via a liquid trap with output channels opening out at the underside of the block like unit. Filler openings are arranged to allow gravity filling of the cavities.
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