Control of atmosphere within a closed environment

A closed-environment, atmospheric technology, applied in U.S. Provisional Application Serial No. 61/508,863 and requiring the superior field of said application, can solve the problems of loss of washing efficiency, limited application of non-regenerative systems, etc.

Active Publication Date: 2014-03-26
CARRIER CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, conventional systems of this type are non-regenerative and lose scrubbing efficiency when the adsorbent bed becomes saturated
Therefore, the application of such non-regenerative systems is limited, especially in the long-distance transportation of perishable agricultural products

Method used

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  • Control of atmosphere within a closed environment
  • Control of atmosphere within a closed environment
  • Control of atmosphere within a closed environment

Examples

Experimental program
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Embodiment Construction

[0036] First refer to the attached figure 1 , in which is schematically depicted an exemplary embodiment of a refrigerated cargo container, generally designated 10, equipped with an atmosphere control system. The container 10 defines an enclosed environment serving as a cargo space 12, referred to herein as a cargo box, in which boxes, cartons or pallets (not shown) of goods such as but not limited to fresh produce are stacked for transport. The rear wall 14 is provided with one or more doors (not shown) through which the cargo box is accessible for loading cargo into the container 10 . When the doors are closed, a substantially airtight sealed environment is established within the container 10 which largely prevents air within the container from escaping and air outside the container from seeping into the cargo box 12 .

[0037] A refrigeration unit 20 is mounted to the wall of the container 10 and is typically received in an opening in the front wall 16 of the container 10 ...

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PUM

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Abstract

A method and apparatus are disclosed for controlling a concentration of carbon dioxide in a gaseous atmosphere within a closed environment of a refrigerated transport container to maintain the concentration of carbon dioxide therein at a desired level. A carbon dioxide scrubber apparatus operates alternately in an adsorption mode and a regeneration mode. When a perishable produce is stowed in the closed environment, for example in a cargo box of a refrigerated transport container, the concentration of carbon dioxide may be maintain at a desired level to retard ripening of the perishable produce.

Description

[0001] Cross References to Related Applications [0002] This application refers to and claims priority and benefit from U.S. Provisional Application Serial No. 61 / 508,863, filed July 18, 2011, entitled "CONTROL OF ATMOSPHERE WITHIN A CLOSED ENVIRONMENT," which is incorporated in its entirety as Incorporated herein by reference. Background of the invention [0003] The present invention relates generally to controlling the composition of the atmosphere in a closed environment, and more particularly to the removal of carbon dioxide and (optionally) respiration from fresh produce from the atmosphere in a closed environment such as the cargo box of a refrigerated shipping container Other by-products of the gas. [0004] Perishable items are usually transported in a controlled environment within a confined space such as the bed of a truck, trailer, sea container or intermodal container. A refrigeration system (also known as a transport refrigeration system) is operatively associ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23B7/00
CPCB01D53/0431A23L3/3427A23L3/3418A23B7/148
Inventor W.C.查维克E.W.亚当斯C.蒂博-埃尔基
Owner CARRIER CORP
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