Ventilating system

Abstract

Ventilating system including at least one regenerative duct assembly including a case having a discharge flow passage for passing room air, and a supply flow passage for passing outdoor air, formed therein, a crossflow type heat exchanger in the case, the crossflow type heat exchanger being provided to make the discharge flow passage, and the supply flow passage to cross each other, discharge ducts on an outdoor side and an indoor side of the case, the discharge ducts being in communication with the discharge flow passage, and supply ducts on the indoor side and the outdoor side of the case, the supply ducts being in communication with the supply flow passage; and fan assemblies in communication with the discharge flow passage and the supply flow passage respectively, thereby improving interchangeability and space utilization of the ventilating system.

1 . A ventilating system comprising: 
 at least one regenerative duct assembly including;    a case having a discharge flow passage for passing room air, and a supply flow passage for passing outdoor air, formed therein,    a crossflow type heat exchanger in the case, the crossflow type heat exchanger being provided to make the discharge flow passage, and the supply flow passage to cross each other,    discharge ducts on an outdoor side and an indoor side of the case, the discharge ducts being in communication with the discharge flow passage, and    supply ducts on the indoor side and the outdoor side of the case, the supply ducts being in communication with the supply flow passage; and    fan assemblies in communication with the discharge flow passage and the supply flow passage, respectively.    
   
   
       2 . The ventilating system as claimed in  claim 1 , wherein the fan assembly includes; 
 a cabinet having an inlet in one side, and    a fan in the cabinet for drawing the air through the inlet.    
   
   
       3 . The ventilating system as claimed in  claim 2 , wherein the fan is a centrifugal fan for drawing the air in an axial direction and discharging the air in a radial direction.  
   
   
       4 . The ventilating system as claimed in  claim 1 , wherein the fan assemblies are provided to ends of the indoor side discharge duct and the outdoor side supply duct, respectively.  
   
   
       5 . The ventilating system as claimed in  claim 1 , wherein the crossflow type heat exchanger includes; 
 at least one first flow passage in communication with the supply flow passage,    at least one second flow passage in communication with the discharge flow passage, the second flow passage being provided to cross the first flow passage; and    flat plates separating the first flow passage and the second flow passage.    
   
   
       6 . The ventilating system as claimed in  claim 1 , wherein one pairs of fan assemblies are connected to the indoor side discharge duct, and the outdoor side supply duct in parallel, respectively.  
   
   
       7 . The ventilating system as claimed in  claim 6 , further comprising a connection duct between the indoor side discharge duct and the fan assemblies, the connection duct having two inlets and one outlet, wherein the outlet is connected to the indoor side discharge duct, and the inlets are connected to the one pair of fan assemblies, respectively.  
   
   
       8 . The ventilating system as claimed in  claim 6 , further comprising a connection duct between the outdoor side discharge duct and the fan assemblies, the connection duct having two inlets and one outlet, wherein the outlet is connected to the outdoor side supply duct, and the inlets are connected to the fan assemblies, respectively.  
   
   
       9 . The ventilating system as claimed in  claim 1 , wherein the indoor side supply duct and the outdoor side supply duct are mounted at opposite positions of the case in a diagonal direction, and the indoor side discharge duct and the outdoor side supply duct are mounted at positions crossed with the supply ducts.  
   
   
       10 . The ventilating system as claimed in  claim 9 , wherein the outdoor side supply duct has one end connected to the fan assembly, and the other end connected to one side of the case, and 
 the indoor side supply duct has one end connected to the other side of the case, and the other end in communication with the room.    
   
   
       11 . The ventilating system as claimed in  claim 9 , wherein the outdoor discharge duct has one end in communication with an outdoor space, and the other end connected to one side of the case, and 
 the indoor side discharge duct has one end connected to the other side of the case, and the other end connected to the fan assembly.    
   
   
       12 . The ventilating system as claimed in  claim 1 , wherein one pair of the regenerative duct assemblies are provided in parallel to each other.  
   
   
       13 . The ventilating system as claimed in  claim 12 , wherein the outdoor side supply ducts of the regenerative duct assemblies are connected to each other with a connection duct having two outlets and one inlet.  
   
   
       14 . The ventilating system as claimed in  claim 13 , wherein the outlets are connected to the outdoor side supply ducts in parallel, and the inlet is connected to the fan assembly.  
   
   
       15 . The ventilating system as claimed in  claim 12 , wherein the indoor side discharge ducts of the regenerative duct assemblies are connected with a connection duct having two outlets and one inlet.  
   
   
       16 . The ventilating system as claimed in  claim 15 , wherein the outlets are connected to the indoor side discharge ducts in parallel respectively, and the inlet is connected to the fan assembly.  
   
   
       17 . A ventilating system comprising: 
 a regenerative duct assembly including;    a case having a discharge flow passage for passing room air, and a supply flow passage for passing outdoor air, formed therein,    a crossflow type heat exchanger in the case, the crossflow type heat exchanger being provided to make the flow passages to cross each other,    discharge ducts on an outdoor side and an indoor side of the case, the discharge ducts being in communication with the discharge flow passage, and    supply ducts on the indoor side and the outdoor side of the case, the supply ducts being in communication with the supply flow passage; and    fan assemblies in communication with the outdoor side supply duct and the indoor side discharge duct respectively, the fan assemblies having fans in the cabinet for drawing air through the inlet.