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Avoiding moisture condensate from dripping out of insulation on cold refrigeration hardware

IP.com Disclosure Number: IPCOM000016425D
Original Publication Date: 2003-Feb-23
Included in the Prior Art Database: 2003-Jun-21
Document File: 2 page(s) / 79K

Publishing Venue

IBM

Abstract

The invention teaches a method of insulating cold refrigeration hardware so as to eliminate the possibility of moisture condensate dripping out of the insulation. The key feature of the invention is to have all the cold surfaces in intimated contact with porous insulation.

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  Avoiding moisture condensate from dripping out of insulation on cold refrigeration hardware

         The invention teaches a method of insulating cold refrigeration hardware such that the possibility of moisture condensate dripping from the insulated assembly is eliminated.

      The problem with the present state of the art methods of insulation is that moisture may pool in any gaps between the insulation and the cold surfaces and once the pooled condensate builds up in volume it can drip out of the insulation. The figure below shows how a gap between the insulation and the cold surfaces can result in pooled water. In electronic assemblies, it is essential that no moisture drip out of the refrigeration hardware and wet the electronics. Wet electronics can degrage by a varienty of known means, such as corrosion and ion migration.

                         The invention eliminates that the problem of moisture dripping from insulation over cold surfaces by having the ins the cold surfaces, as shown in the figure below to the left, so that the moisture condensate gets wicked by the insulation ra For wicking action to occur, as shown in the figure below to the right, the insulation must be open pored, rather than close

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