F - Mech Eng,Light,Heat,Weapons – 25 – D
Patent
F - Mech Eng,Light,Heat,Weapons
25
D
F25D 1/00 (2006.01) F25D 17/06 (2006.01)
Patent
CA 2431082
This invention allows refrigeration units to use outside air for cooling instead of any other cooling mechanism when the outside air temperature is low enough. It would be most beneficial to refrigeration units enclosed in heated structures in colder climates. The Enviro Fridge system connects the refrigeration unit to the outside air through two insulated. pipes. An outside thermometer allows the refrigeration unit control system to decide which source of cooling it should use when cooling is desired.
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