Refrigeration apparatus
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Apr 11, 2017
Grant Date -
May 3, 2012
app pub date -
Jul 9, 2010
filing date -
Jul 15, 2009
priority date (Note) -
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status (Latency Note)
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Abstract
Refrigerators that can be used in the storage and transport of vaccines are disclosed. A refrigerator has a payload container (20) within which items can be placed for temperature-controlled storage. The payload container (20) is submerged in a reservoir (21) that contains water. The reservoir has a cooling region containing the payload container and a headspace containing water that is, in use, higher than the payload container. Cooling means, that might include a refrigeration unit (30) having cooling elements (32) or a cold thermal mass can cool water within the headspace. Where there is a refrigeration unit, a power supply, typically solar powered, can act as a source of power for the refrigeration unit. Embodiments may include a freezer compartment close to the cooling elements (32). Alternatively, the cooling region includes a pipe manifold within the payload container.
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