Looped cooling system

Abstract

A system may include an evase through which heated airflow flows therethrough when the system is in operation; and a coil assembly coupled with the evase and a heat rejection system and configured, when the system is in operation, to: receive a refrigerant; receive the heated airflow from the evase; transfer heat from the heated airflow to the refrigerant to reduce a temperature of the airflow; provide an egress through which the cooled airflow exits therefrom; and provide the refrigerant, after transferring the heat from the heated airflow to the refrigerant, to the heat rejection system to permit the heat rejection system to remove heat from the refrigerant to reduce a temperature of the refrigerant, and to provide the refrigerant, after removing the heat from the refrigerant, to the coil assembly.

What is claimed is: 
     
         1 . A system comprising:
 an evase through which heated airflow flows therethrough when the system is in operation; and   a coil assembly coupled with the evase and a heat rejection system and configured, when the system is in operation, to:
 receive a refrigerant; 
 receive the heated airflow from the evase; 
 transfer heat from the heated airflow to the refrigerant to reduce a temperature of the heated airflow to form a cooled airflow; 
 provide an egress through which the cooled airflow exits therefrom; and 
 provide the refrigerant, after transferring the heat from the heated airflow to the refrigerant, to the heat rejection system to permit the heat rejection system to remove heat from the refrigerant to reduce a temperature of the refrigerant, and to provide the refrigerant, after removing the heat from the refrigerant, to the coil assembly. 
   
     
     
         2 . The system of  claim 1 , further comprising:
 a pump through which an initial supply of the refrigerant is provided to the coil assembly,   where when receiving the refrigerant, the coil assembly is further to receive the refrigerant based on receiving the initial supply of the refrigerant from the pump and based on providing the refrigerant to the heat rejection system after receiving the initial supply of the refrigerant.   
     
     
         3 . The system of  claim 1 , wherein the refrigerant, received by the coil assembly, includes the refrigerant provided by the coil assembly. 
     
     
         4 . The system of  claim 1 , wherein the evase forms a truncated-pyramid shape through which the heated airflow flows therethrough. 
     
     
         5 . The system of  claim 1 , wherein the evase is configured to provide the heated airflow across the coil assembly via a surface provided at a top portion of the evase. 
     
     
         6 . The system of  claim 1 , wherein the coil assembly comprises:
 a surface to receive the heated airflow from the evase;   a plurality of coils to receive the refrigerant;   a plurality of fins provided on the surface to distribute the heated airflow across the plurality of coils; and   a plurality of headers to provide the refrigerant, from the plurality of coils, to the heat rejection system.   
     
     
         7 . The system of  claim 6 , wherein each of the plurality of coils includes a curvature to direct the heated airflow towards the plurality of coils. 
     
     
         8 . The system of  claim 6 , wherein each of the plurality of fins includes angles of inclinations to direct the heated airflow towards the plurality of coils. 
     
     
         9 . The system of  claim 1 , wherein the evase receives the heated airflow from a module and wherein the cooled airflow is provided to the module via the egress,
 the module including an uninterruptible power supply (UPS), a computing device, or a server.   
     
     
         10 . A system comprising:
 an evase through which heated airflow, received from a module, flows therethrough when the system is in operation; and   a coil assembly coupled with the evase and a heat rejection system and configured, when the system is in operation, to:
 receive a refrigerant,
 an initial supply of the refrigerant being received from a pump; 
 
 receive the heated airflow from the evase; 
 transfer heat from the heated airflow to the refrigerant to reduce a temperature of the heated airflow to form a cooled airflow; 
 provide an egress through which the cooled airflow exits therefrom towards the module; and 
 provide the refrigerant, after transferring the heat from the heated airflow to the refrigerant, to the heat rejection system to permit the heat rejection system to remove heat from the refrigerant to reduce a temperature of the refrigerant, and to provide the refrigerant, after removing the heat from the refrigerant, to the coil assembly. 
   
     
     
         11 . The system of  claim 10 , wherein the refrigerant, received by the coil assembly, includes the refrigerant provided by the coil assembly. 
     
     
         12 . The system of  claim 10 , wherein the evase forms a truncated-pyramid shape through which the heated airflow flows therethrough. 
     
     
         13 . The system of  claim 10 , wherein the coil assembly comprises:
 a surface to receive the heated airflow from the evase across a substantial surface area of the surface;   a plurality of coils to receive the refrigerant;   a plurality of fins provided on the surface to distribute the heated airflow across the plurality of coils; and   a plurality of headers to provide the refrigerant, from the plurality of coils, to the heat rejection system.   
     
     
         14 . The system of  claim 13 , wherein each of the plurality of fins includes angles of inclinations to direct the heated airflow towards the plurality of coils. 
     
     
         15 . A system comprising:
 an evase through which heated airflow, formed by a module, flows therethrough when the system is in operation; and   a coil assembly coupled with the evase and a heat rejection system and configured, when the system is in operation, to:
 receive a refrigerant; 
 receive the heated airflow from the evase; 
 transfer heat from the heated airflow to the refrigerant to reduce a temperature of the heated airflow to form a cooled airflow; 
 provide an egress through which the cooled airflow exits therefrom, towards the module; and 
 provide the refrigerant, after transferring the heat from the heated airflow to the refrigerant, to the heat rejection system to permit the heat rejection system to remove heat from the refrigerant to reduce a temperature of the refrigerant. 
   
     
     
         16 . The system of  claim 15 , wherein the refrigerant, received by the coil assembly, includes the refrigerant provided by the coil assembly. 
     
     
         17 . The system of  claim 15 , wherein the evase forms a truncated-pyramid shape through which the heated airflow flows therethrough. 
     
     
         18 . The system of  claim 15 , wherein the coil assembly comprises:
 a surface to receive the heated airflow from the evase across a substantial surface area of the surface;   a plurality of coils to receive the refrigerant;   a plurality of fins provided on the surface to distribute the heated airflow across the plurality of coils; and   a plurality of headers to provide the refrigerant, from the plurality of coils, to the heat rejection system.   
     
     
         19 . The system of  claim 18 , wherein each of the plurality of coils includes a curvature to direct the heated airflow towards the plurality of coils. 
     
     
         20 . The system of  claim 18 , wherein each of the plurality of fins include angles of inclinations to direct the heated airflow towards the plurality of coils.