Refrigerator air circulating arrangement

Claim 1

A REFRIGREATOR APPARATUS COMPRISING IN COMBINATION, (A) A REFRIGERATING STORAGE COMPARTMENT PROVIDED WITH: (1) A FLOOR AND A PLURALITY OF SIDEWALL LINERS, (2) A DOOR FITTED INTO ONE WALL OF THE COMPARTMENT AND OPENABLE FOR GAINING ACCESS TO THE COMPARTMENT INTERIOR, AND (3) A TOPWALL LINER APERTURED COMPLETELY THERETHROUGH AT SPACED APART REGIONS THEREOF TO PROVIDE AT LEAST ONE VENT LOCATED NEAR THE FRONT OF THE LINER AND AT LEAST ONE VENT LOCATED NEAR THE REAR OF THE LINER, SAID VENTS BOTH PLACING THE COMPARTMENT IN COMMUNICATION WITH THE REGION ABOVE THE TOPWALL LINER, (B) AN AIR DUCT STRUCTURE ABOVE THE TOPWALL LINER OF THE STORAGE COMPARTMENT, INCLUDING: (1) A FIRST AIR DUCT HAVING AN OPENING COMMUNICATING WITH THE COMPARTMENT FRONT VENT, AND (2) A SECOND AIR DUCT SUBSTANTIALLY ISOLATED FROM SAID FIRST AIR DUCT AND HAVING AN OPENING COMMUNICATING WITH THE COMPARTMENT REAR VENT (C) A HOUSING OVERLYING AND EXTENDING UPWARDLY ABOVE AT LEAST A PORTION OF SAID DUCT STRUCTURE AND HAVING AN INLET REGION COMMUNICATING WITH THE SAID FIRST AIR DUCT, AND AN OUTLET REGION COMMUNICATING WITH SAID SECOND AIR DUCT, (D) A COOLING COIL STRUCTURE MOUNTED WITHIN SAID HOUSING, AND (E) MEANS EFFECTIVE FOR MOVING AIR FROM SAID COMPARTMENT UPWARD INTO SAID HOUSING INLET REGION THROUGH SAID FIRST AIR DUCT AND THE VENT WITH WHICH IT COMMUNICATES, THEN PASSING THE AIR ACROSS THE COOLING COIL AND DOWNWARD INTO SAID COMPARTMENT THROUGH SAID HOUSING OUTLET REGION INTO SAID SECOND AIR DUCT AND THROUGH THE VENT WITH WHICH THE LATTER COMMUNICATES.