Air conditioning apparatus

Claim 1

AIR CONDITIONING APPARATUS COMPRISING A COMPRESSOR, A BLOCK-LIKE CASING HAVING A MAIN COMPARTMENT EXTENDING FROM SIDE TO SIDE IN THE CASING AND HAVING END WALLS, PARTITION WALLING DIVIDING SAID COMPARTMENT INTO FIRST AND SECOND AIR CIRCULATION SPACES ONE AT ONE SIDE AND ONE AT THE OTHER SIDE OF THE CASING, A HEAT EXCHANGER BLOCK IN EACH AIR CIRCULATION SPACE SAID BLOCKS BEING INTERCONNECTED WITH SAID COMPRESSOR IN A CLOSED REFRIGERANT CIRCUIT TO FORM A REFRIGERATOR WHEREIN THE BLOCK IN SAID FIRST SPACE FORMS THE EVAPORATOR AND THE BLOCK IN THE SECOND SPACE THE CONDENSER, MEANS DEFINING FOR EACH AIR CIRCULATION SPACE AN INLET AND AN OUTLET, A FAN MOUNTED WITHIN EACH AIR CIRCULATION SPACE TO SET UP A FLOW OF AIR FROM THE RESPECTIVE INLET, THROUGH THE RESPECTIVE BLOCK AND OUT OF THE RESPECTIVE OUTLET IN A FIRST MODE OF OPERATION OF SAID APPARATUS, DUCTS WITHIN THE CASING EXTENDING FROM THE FIRST AIR CIRCULATION SPACE AT THE OUTLET SIDE OF THE RESPECTIVE FAN AND BLOCK TO THE SECOND AIR CIRCULATION SPACE ON THE INLET SIDE OF THE RESPECTIVE FAN AND BLOCK AND FROM THE SECOND AIR CIRCULATION SPACE ON THE OUTLET SIDE OF THE RESPECTIVE FAN AND BLOCK TO AN AUXILIARY OUTLET ON THE SAME SIDE OF THE APPARATUS AS THE OUTLET OF THE FIRST AIR CIRCULATION SPACE, AND FLOW CONTROL MEANS TO SHUT OFF SAID DUCTS IN THE FIRST MODE OF OPERATION OF THE APPARATUS AND IN A SECOND MODE OF OPERATION THEREOF TO CAUSE FLOW TO TAKE PLACE THROUGH THE INLET OF THE FIRST AIR CIRCULATION SPACE AND THROUGH THE FAN AND BLOCK THEREOF, TO THE SECOND AIR CIRCULATION SPACE AND THROUGH THE FAN AND BLOCK THEREOF, TO THE SECOND AIR CIRCULATION SPACE AND THROUGH THE FAN AND BLOCK THEREOF, AND THENCE TO THE AUXILIARY OUTLET.