Heat exchanger for hvac system

Abstract

A heat exchanger for a heating, ventilation, and/or air conditioning system includes a manifold having an opening. The heat exchanger also includes a plurality of heat exchanger tubes, each heat exchanger tube of the plurality of heat exchanger tubes includes a body portion and an end, and the ends of the plurality of heat exchanger tubes are bundled together and extend into the manifold via the opening.

What is claimed is: 
     
         1 . A heat exchanger for a heating, ventilation, and/or air conditioning system, comprising:
 a manifold comprising an opening; and   a plurality of heat exchanger tubes, wherein each heat exchanger tube of the plurality of heat exchanger tubes comprises a body portion and an end, and the ends of the plurality of heat exchanger tubes are bundled together and extend into the manifold via the opening.   
     
     
         2 . The heat exchanger of  claim 1 , wherein a diameter of each heat exchanger tube of the plurality of heat exchanger tubes is between 0.5 and 2 millimeters. 
     
     
         3 . The heat exchanger of  claim 1 , wherein the plurality of heat exchanger tubes is finless. 
     
     
         4 . The heat exchanger of  claim 1 , comprising a spacer positioned between each body portion to space the body portions apart from one another. 
     
     
         5 . The heat exchanger of  claim 4 , wherein the spacer comprises a plurality of holes, and each body portion extends through a respective hole of the plurality of holes. 
     
     
         6 . The heat exchanger of  claim 1 , wherein the plurality of heat exchanger tubes converges towards one another along a direction from the body portions to the ends. 
     
     
         7 . The heat exchanger of  claim 1 , wherein the manifold defines an internal volume, and each tube of the plurality of heat exchanger tubes is fluidly coupled to the internal volume of the manifold via the opening. 
     
     
         8 . The heat exchanger of  claim 1 , comprising an additional manifold comprising an additional opening, wherein each heat exchanger tube of the plurality of heat exchanger tubes comprises an additional end, and the additional ends of the plurality of heat exchanger tubes are bundled together and extend into the additional manifold via the additional opening. 
     
     
         9 . The heat exchanger of  claim 1 , comprising:
 an additional manifold comprising an additional opening; and   a plurality of additional heat exchanger tubes, wherein each additional heat exchanger tube of the plurality of additional heat exchanger tubes comprises an additional body portion and an additional end, and the additional ends of the plurality of additional heat exchanger tubes are bundled together and extend into the additional manifold via the additional opening.   
     
     
         10 . The heat exchanger of  claim 9 , wherein the manifold comprises a first connector, the additional manifold comprises a second connector, and the first connector and the second connector are configured to couple to one another to secure the manifold and the additional manifold to one another in an end-to-end arrangement. 
     
     
         11 . A heat exchanger for a heating, ventilation, and/or air conditioning system, comprising:
 a manifold comprising an opening; and   a plurality of tubes configured to flow refrigerant therethrough, wherein each tube of the plurality of tubes comprises an end, the ends of the plurality of tubes extend through the opening and into the manifold, and the plurality of tubes are finless.   
     
     
         12 . The heat exchanger of  claim 11 , wherein the ends of the plurality of tubes are secured to the manifold with a filler material dispersed between the ends of the plurality of tubes and secured to the manifold. 
     
     
         13 . The heat exchanger of  claim 11 , wherein each tube of the plurality of tubes comprises a body portion, and the plurality of tubes diverges away from one another along a direction from the ends to the body portions. 
     
     
         14 . The heat exchanger of  claim 13 , comprising a spacer, wherein at least a subset of the body portions extend through the spacer, and the spacer supports the subset of the body portions and spaces the subset of the body portions apart from one another. 
     
     
         15 . The heat exchanger of  claim 11 , wherein the manifold comprises an additional opening, the heat exchanger comprises a plurality of additional tubes configured to flow refrigerant therethrough, each additional tube of the plurality of additional tubes comprises an additional end, and the additional ends of the plurality of additional tubes extend through the additional opening into the manifold. 
     
     
         16 . The heat exchanger of  claim 15 , wherein the manifold defines a first internal volume and a second internal volume, each tube of the plurality of tubes is fluidly coupled to the first internal volume via the opening, each additional tube of the plurality of additional tubes is fluidly coupled to the second internal volume via the additional opening, and the manifold comprises a baffle configured to fluidly separate the first internal volume and the second internal volume from one another. 
     
     
         17 . A heat exchanger for a heating, ventilation, and/or air conditioning system, comprising:
 a module, comprising:
 a manifold defining an internal volume; and 
 a plurality of tubes, wherein each tube of the plurality of tubes comprises an end, and the ends of the plurality of tubes are bundled together and extend through a common opening of the manifold and into the internal volume of the manifold. 
   
     
     
         18 . The heat exchanger of  claim 17 , comprising an additional module comprising:
 an additional manifold defining an additional internal volume; and   a plurality of additional tubes, wherein each additional tube of the plurality of additional tubes comprises an additional end, and the additional ends of the plurality of additional tubes are bundled together and extend through an additional common opening of the additional manifold and into the additional internal volume of the additional manifold.   
     
     
         19 . The heat exchanger of  claim 18 , wherein the manifold comprises a first connector, and the additional manifold comprises a second connector configured to couple to the first connector to secure the manifold and the additional manifold to one another in an end-to-end arrangement. 
     
     
         20 . The heat exchanger of  claim 19 , wherein the first connector and the second connector fluidly couple the manifold and the additional manifold to one another to enable refrigerant flow between the manifold and the additional manifold.