Refrigerated produce transport

Details Refrigerated produce transport Refrigerated produce transport

F - Mech Eng,Light,Heat,Weapons

25

D

62/95

F25D 17/02 (2006.01) A23B 7/04 (2006.01) F25D 3/10 (2006.01)

Patent

CA 1179162

B. ABSTRACT OF THE DISCLOSURE: Fresh produce is loaded into an enclosed trailer, and the doors closed. Chilled water is pumped through overhead sprinkler pipes to chill the product to about 35 degrees Fahrenheit. The excess water is drained through a special drain at the bottom of the trailer. Liquid nitrogen is used to maintain the trailer cold during transit and storage. Nitrogen tanks within the trailer are filled during the water chill operation. The nitrogen tanks are bled during the filling operation and the bled nitrogen extends through expansion tubes which are located co-axially within the water sprinkler tubes in the ceiling. From there the nitrogen is fed through exhaust pipes along the floor of the transport to purge the product of atmosphere and more particularly to purge it of respiration gases. During transport, the liquid nitrogen is fed into the overhead expansion tubes for refrigeration and again the evaporated nitrogen is fed to the exhaust pipes along the floor to purge the product of respiration gases. The floorboards are designed and built to have the strength to haul a general cargo so that the trailer may be put to the most efficient usage available on back haul.

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