Humidifying unit for a hvac system

Abstract

A Heating Ventilation and Air Conditioning system is provided having airways configured to direct airflow towards a confined area, the system including a humidifying unit having a tray disposed in the airways and configured to hold water therein, the tray is so disposed in said airways such that the water humidifies the airflow in said airways controlling thereby the humidity level in the confined area.

1 . A humidifying unit for a heating ventilation air conditioning (HVAC) system, comprising: a tray configured to be disposed at the airways of the HVAC system and configured to hold water so as to humidify the air stream in the airways. 
     
     
         2 . (canceled) 
     
     
         3 . The humidifying unit according to  claim 1 , wherein the tray is integrally formed with a grille of a duct channel of a HVAC system. 
     
     
         4 . (canceled) 
     
     
         5 . (canceled) 
     
     
         6 . The humidifying unit according to  claim 1 , further comprising a lid configured to be selectively disposed with respect to the tray thereby determining surface area of water exposed to the air in the airway. 
     
     
         7 . The humidifying unit according to  claim 6 , further comprising a controller for controlling the disposition of the lid in accordance with the desired humidity level. 
     
     
         8 . (canceled) 
     
     
         9 . (canceled) 
     
     
         10 . (canceled) 
     
     
         11 . (canceled) 
     
     
         12 . (canceled) 
     
     
         13 . The humidifying unit according to  claim 1 , further comprising a heating element disposed in the tray and configured to heat the water therein thereby accelerating humidification of the air in the airways of the HVAC system. 
     
     
         14 . The humidifying unit according to  claim 13 , wherein said heating element is a heated gas line of the HVAC system directed to the tray for heating water in the tray. 
     
     
         15 . (canceled) 
     
     
         16 . (canceled) 
     
     
         17 . (canceled) 
     
     
         18 . The humidifying unit according to  claim 1 , further comprising a basket operative to hold a tablet in fluid communication with water in the tray for disinfecting or softening the water in the water tray. 
     
     
         19 . The humidifying unit according to  claim 1 , wherein the tray is supported on an axle configured to be rotated for tilting the tray. 
     
     
         20 . (canceled) 
     
     
         21 . The humidifying unit according to  claim 1 , wherein the tray further comprises folded surfaces comprising hydrophilic cardboard comprising a corrugated layer, the corrugated layer configured to provide capillary water transfer. 
     
     
         22 . A HVAC system having airways configured to direct airflow towards a confined area, the system comprising a humidifying unit comprising a tray disposed in the airways and configured to hold water therein, the tray is so disposed in said airways such that the water humidifies the airflow in said airways thereby controlling the humidity level in the confined area. 
     
     
         23 . The HVAC system according to  claim 22 , wherein the tray is integrally formed with a wall portion of the airways. 
     
     
         24 . (canceled) 
     
     
         25 . (canceled) 
     
     
         26 . The HVAC system according to  claim 22 , wherein the HVAC system is a central air system having a central duct and wherein said tray is disposed in said duct. 
     
     
         27 . The HVAC system according to  claim 22 , wherein said humidifying unit further comprises an adjusting mechanism for adjusting the surface area of the water exposed to the airflow in the airway. 
     
     
         28 . (canceled) 
     
     
         29 . (canceled) 
     
     
         30 . The HVAC system according to  claim 22 , further comprising a water inlet line connected to the tray via a water inlet port. 
     
     
         31 . (canceled) 
     
     
         32 . (canceled) 
     
     
         33 . The HVAC system according to  claim 22 , wherein said tray is provided with a drain line configured to drain the water inside the tray. 
     
     
         34 . (canceled) 
     
     
         35 . (canceled) 
     
     
         36 . The HVAC system according to  claim 22 , further comprising a heating element disposed in the tray and configured to heat the water therein thereby accelerating humidification of the air in the airways. 
     
     
         37 . (canceled) 
     
     
         38 . The HVAC system according to  claim 22 , further comprising a cleaning mechanism for removing calcification accumulating therefrom. 
     
     
         39 . (canceled) 
     
     
         40 . (canceled) 
     
     
         41 . The HVAC system according to  claim 22 , further comprising an auxiliary reservoir in fluid communication with the tray and configured for dispensing a cleaning liquid to the tray. 
     
     
         42 . (canceled) 
     
     
         43 . (canceled) 
     
     
         44 . (canceled) 
     
     
         45 . (canceled) 
     
     
         46 . (canceled) 
     
     
         47 . The HVAC system according to  claim 22 , further comprising a wall portion disposed inside said airways, the wall portion having a surface configured to allow water flow thereon from said tray. 
     
     
         48 . (canceled) 
     
     
         49 . (canceled) 
     
     
         50 . A method for humidifying air directed out of a HVAC system to a confined area, the method comprising:
 disposing a water tray inside the airways of the HVAC system such that water therein humidifies the airflow in said airways thereby controlling the humidity level in the confined area; and   forming an adjusting mechanism for adjusting the surface area of water exposed to the airflow in the airway.