Low-maintenance system for maintaining a cargo in a refrigerated

Details Low-maintenance system for maintaining a cargo in a refrigerated Low-maintenance system for maintaining a cargo in a refrigerated

1995-12-08

1996-09-17

Capossela, Ronald C.

Refrigeration

Processes

Treating an article

62239, 62384, F25D 2500

Patent

active

055557333

ABSTRACT:
A system for maintaining a cargo in a refrigerated condition over an extended duration employs an insulated enclosure having both a cargo-enclosing portion and a carbon dioxide-enclosing portion separated by an insulated barrier. A finite amount of solid carbon dioxide is placed in the carbon dioxide-enclosing portion at the beginning of the duration. By properly insulating the barrier to provide a rate of heat transfer within a predetermined range, the cargo is maintained in a refrigerated condition without replenishing the solid carbon-dioxide for uniquely lengthy durations. Such durations are especially maximized by employing such enclosures in the form of cargo-carrying containers of generally rectangular shape stackable vertically atop one another and/or in close side-by-side relation to one another.

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American Frozen Food Institute, "Cryogenic Rail Car Project," Executive Summary Report, Mar. 1985.

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