Induction displacement unit

Abstract

An induction displacement unit comprising an induction plenum comprising a plurality of first nozzles communicating with a first discharge plenum and a plurality of second nozzles communicating with a second discharge plenum, a return air plenum, a heating coil disposed between the return air plenum and the first discharge plenum, a cooling coil disposed between the return air plenum and the second discharge plenum, the induction plenum vertically disposed between the heating coil and the cooling coil, the heating coil disposed in an upper portion of the unit, the first discharge plenum disposed to induce a substantially vertical discharge, and the second discharge plenum disposed to induce a substantially horizontal discharge.

1 . An induction displacement unit of a heating, ventilation, and/or air conditioning (HVAC) system, the induction displacement unit comprising:
 a housing having a side and a discharge outlet formed in the side;   a discharge plenum formed in the housing and communicatively coupled with the discharge outlet;   an induction plenum;   a nozzle configured to direct a primary air flow from the induction plenum into the discharge plenum such that the primary air flow induces a return air flow into the discharge plenum, the primary air flow and the return air flow form a mixed air flow in the discharge plenum, and the mixed air flow is directed from the discharge plenum through the discharge outlet; and   a heat exchange coil disposed in an interior of the housing between the induction plenum and the side of the housing and configured to condition a temperature of the return air flow.   
     
     
         2 . The induction displacement unit of  claim 1 , wherein the side of the housing extends in a horizontal direction and the heat exchange coil overlaps with the side of the housing and the induction plenum along the horizontal direction. 
     
     
         3 . The induction displacement unit of  claim 1 , comprising a return air plenum formed in the housing such that the return air flow is directed through the return air plenum, over the heat exchange coil, and into the discharge plenum. 
     
     
         4 . The induction displacement unit of  claim 3 , wherein the return air plenum is formed along an additional side of the housing coupled to the side of the housing. 
     
     
         5 . The induction displacement unit of  claim 1 , wherein the nozzle is configured to direct the primary air flow from the induction plenum into the discharge plenum in a vertical direction, such that the primary air flow induces the return air flow into the discharge plenum in a horizontal direction substantially perpendicular to the vertical direction. 
     
     
         6 . The induction displacement unit of  claim 1 , wherein the heat exchange coil is configured to receive a liquid to generate a heat exchange relationship between the liquid and the return air flow. 
     
     
         7 . The induction displacement unit of  claim 6 , comprising a valve configured to:
 open to enable the heat exchange coil to receive the liquid; and   close to block the heat exchange coil from receiving the liquid.   
     
     
         8 . An induction displacement unit of a heating, ventilation, and/or air conditioning (HVAC) system, the induction displacement unit comprising:
 a housing having a side and a discharge outlet formed in the side, wherein the side of the housing extends in a horizontal direction;   a discharge plenum formed in the housing and communicatively coupled with the discharge outlet;   an induction plenum;   a nozzle configured to direct a primary air flow from the induction plenum into the discharge plenum such that the primary air flow induces a return air flow into the discharge plenum and a mixture of the primary air flow and the return air flow is output from the discharge plenum through the discharge outlet; and   a heat exchange coil disposed in an interior of the housing such that the heat exchange coil overlaps with the induction plenum, the discharge plenum, and the discharge outlet along the horizontal direction, wherein the heat exchange coil is configured to condition a temperature of the return air flow.   
     
     
         9 . The induction displacement unit of  claim 8 , comprising a return air plenum formed in the housing such that the heat exchange coil is positioned between the return air plenum and the discharge plenum, wherein the nozzle is configured to direct the primary air flow from the induction plenum into the discharge plenum such that the primary air flow induces the return air flow into the return air plenum, over the heat exchange coil, and into the discharge plenum. 
     
     
         10 . The induction displacement unit of  claim 9 , wherein the return air plenum is formed along an additional side of the housing coupled to the side of the housing. 
     
     
         11 . The induction displacement unit of  claim 8 , wherein the nozzle is configured to direct the primary air flow from the induction plenum into the discharge plenum in a vertical direction substantially perpendicular to the horizontal direction. 
     
     
         12 . The induction displacement unit of  claim 8 , wherein the heat exchange coil is configured to receive water to generate a heat exchange relationship between the water and the return air flow. 
     
     
         13 . The induction displacement unit of  claim 12 , wherein the heat exchange coil is disposed upstream of the discharge plenum relative to a direction of the return air flow, 
     
     
         14 . An induction displacement unit of a heating, ventilation, and/or air conditioning (HVAC) system, the induction displacement unit comprising:
 a housing defining a housing interior;   a discharge outlet formed in a side of the housing and configured to output a mixed air flow from the housing interior, wherein the side of the housing extends in a horizontal direction;   a discharge plenum formed in the housing interior defined by the housing;   an induction plenum;   a heat exchange coil disposed in the housing interior; and   a nozzle configured to direct a pressurized air flow from the induction plenum and into the discharge plenum such that the pressurized air flow induces a return air flow over the heat exchange coil and into the discharge plenum, wherein a combination of the pressurized air flow and the return air flow forms the mixed air flow in the discharge plenum.   
     
     
         15 . The induction displacement unit of  claim 14 , wherein the heat exchange coil is disposed in the housing interior such that the heat exchange coil overlaps with the induction plenum and the discharge outlet along the horizontal direction. 
     
     
         16 . The induction displacement unit of  claim 14 , comprising a return air plenum formed in the housing interior such that the heat exchange coil is positioned between the return air plenum and the discharge plenum, wherein the nozzle is configured to direct the pressurized air flow from the induction plenum into the discharge plenum such that the pressurized air flow induces the return air flow into the return air plenum, over the heat exchange coil, and into the discharge plenum. 
     
     
         17 . The induction displacement unit of  claim 16 , wherein the return air plenum is formed along an additional side of the housing coupled to the side of the housing. 
     
     
         18 . The induction displacement unit of  claim 14 , wherein the nozzle is configured to direct the pressurized air flow in a vertical direction substantially perpendicular to the horizontal direction. 
     
     
         19 . The induction displacement unit of  claim 14 , wherein the heat exchange coil overlaps with the induction plenum and the side of the housing along the horizontal direction; 
     
     
         20 . The induction displacement unit of  claim 15 , comprising:
 a valve configured to:
 open to enable a flow of a liquid into the heat exchange coil such that a heat exchange relationship is established between the liquid and the return air flow; and 
 close to block the flow of the liquid into the heat exchange coil; and 
   a damper configured to:
 open to direct the pressurized air flow into the induction plenum; and 
 close to block the pressurized air flow into the induction plenum.