Refrigeration/air exchanger system

Details Refrigeration/air exchanger system Refrigeration/air exchanger system

F - Mech Eng,Light,Heat,Weapons

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B

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F25B 29/00 (2006.01) B60H 1/00 (2006.01) B60H 3/00 (2006.01) F25D 11/00 (2006.01) F25D 17/06 (2006.01) F25D 17/08 (2006.01)

Patent

CA 1242087

REFRIGERATION/AIR EXCHANGER SYSTEM Abstract of Disclosure The specification discloses a novel refrigeration/air exchanger unit (30) adapted for use with a main refrigeration unit (28) of a trailer truck (10) including frozen and refri- gerated compartments (20, 22) to maintain the refrigerated compartment at a predetermined temperature above freezing without an auxiliary refrigeration unit. The system (30) includes a duct (34) interconnecting the compartments, a fan (44) for drawing cold air from the freezer compartment into the refrigerated compartment to lower the temperature therein, and another fan (62) and associated heating element (72) in the refrigerated compartment for modulating the tem- perature therein. The fans (44, 56) and heating element (72) are automatically controlled responsive to circuitry including a thermostat (78).

469266

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