MULTIFUNCTION REFRIGERATOR (TWO VERSIONS) AND COOLING METHOD USED IN MULTIFUNCTION REFRIGERATOR CHAMBER (FOUR VERSIONS) Russian patent published in 2009 - IPC F25D1/00 

FIELD: heating systems.

SUBSTANCE: invention refers to cooling and maintaining the required medium temperature in volume of refrigerator chamber and in room space at certain ambient temperature. Multifunction refrigerator is installed in building wall at the boundary between outdoor air and indoor air and includes first chamber 1 for storing products in heat-insulated housing 2, with system 3 that uses natural outdoor air cold and consists of module 4 transferring heat and operating unit 5, cooling system 6 connected to first chamber 1 for product storing and containing first refrigerating unit 7 with the first cooling element 8. Multifunction refrigerator includes air conditioning unit 9 connected to cooling system 6, enclosing device 10 that lets outdoor air pass, enveloping and preventive devices on external building side, window frame 11 overlapping some part of single wall opening in which first chamber 1 for product storage is installed, data unit 12 with video module 13, communications connected with cable 14, control system 15 connected to first chamber 1 for product storage, air conditioning unit 9, cooling system 6, window frame 11 and data unit 12. Cooling system 6 includes first unit compartment 16 with first refrigerating unit 7 arranged inside it and module 17 controlling flow of medium cooling first refrigerating unit 7.

EFFECT: enlarging functional capabilities, improving operating properties and usability of multifunction refrigerator.

67 cl, 45 dwg