Ventilating system

Abstract

Ventilating system including a main flow passage in communication with an outside of a room, for supplying outdoor air to the room, or discharging room air to an outside of the room, at least one case having an inlet and an outlet in communication with the room, and connected to the main flow passage, an air supply flow passage connected to the main flow passage for supplying outdoor air to the room through the outlet, an air circulating flow passage connecting the room to the air supply flow passage in the case, for drawing room air through the inlet and supplying the room air to the room again, and a fan unit in the case for supplying the outdoor air introduced into the case through the air supply flow passage to the room, or supplying the room air introduced into the case through the air circulating flow passage to the room, again.

1 . A ventilating system comprising: 
 a main flow passage in communication with an outside of a room, for supplying outdoor air to the room, or discharging room air to an outside of the room;    at least one case having an inlet and an outlet in communication with the room, and connected to the main flow passage;    an air supply flow passage connected to the main flow passage for supplying outdoor air to the room through the outlet;    an air circulating flow passage connecting the room to the air supply flow passage in the case, for drawing room air through the inlet and supplying the room air to the room again; and    a fan unit in the case for supplying the outdoor air introduced into the case through the air supply flow passage to the room, or supplying the room air introduced into the case through the air circulating flow passage to the room, again.    
   
   
       2 . The ventilating system as claimed in  claim 1 , wherein the case has a shape of a thin hexahedron, and is installed at a corner of a ceiling.  
   
   
       3 . The ventilating system as claimed in  claim 1 , wherein the case has one side and a rear in close contact with room walls at a corner of the room, and the other side and a front exposed to the room provided with the outlet.  
   
   
       4 . The ventilating system as claimed in  claim 1 , wherein the case is in the room, and the main flow passage is in the ceiling in a state the main flow passage is connected to an upper surface of the case.  
   
   
       5 . The ventilating system as claimed in  claim 1 , wherein the main flow passage is provided to a corner of the ceiling in a state the main flow passage passes through the wall, and the case is in the room in a state the case is connected to an underside of the main flow passage.  
   
   
       6 . The ventilating system as claimed in  claim 1 , wherein two or more than two cases are provided, and each of the cases is provided in rooms different from each other.  
   
   
       7 . The ventilating system as claimed in  claim 1 , wherein the main flow passage includes; 
 a first port at a portion the air supply flow passage starts in the case, and    a main duct connected to the first port for guiding outdoor air to the air supply flow passage.    
   
   
       8 . The ventilating system as claimed in  claim 1 , wherein the main duct includes an elbow passed through the corner of the room or an inside of the ceiling opposite to the corner.  
   
   
       9 . The ventilating system as claimed in  claim 1 , wherein the case includes; 
 a first inlet in an underside surface of the case for drawing room air for re-supplying to the room,    a second inlet in an underside surface of the case for drawing room air to discharge to an outside of the room,    outlets in the front and the other side of the case for discharging air introduced into the case to the room, and    an air guide for separating the outdoor air being introduced into the room from room air being discharged to an outside of the room.    
   
   
       10 . The ventilating system as claimed in  claim 9 , wherein the main flow passage includes; 
 a first port in an upper surface of the case,    an air supply duct connected to the first port for guiding outdoor air to the case,    a second port in the upper surface of the case, and    an air discharge duct connected to the second port for guiding room air introduced into the case to an outside of the room.    
   
   
       11 . The ventilating system as claimed in  claim 9 , further comprising an air discharge flow passage in the case having one end connected to the air discharge duct for guiding the room air introduced into the second inlet to the air discharge duct.  
   
   
       12 . The ventilating system as claimed in  claim 9 , further comprising an air supply damper provided to the air supply duct for selective cut off of an air flow through the air supply duct.  
   
   
       13 . The ventilating system as claimed in  claim 9 , further comprising an air discharge damper provided to the air discharge duct for selective cut off of an air flow through the air discharge duct.  
   
   
       14 . The ventilating system as claimed in  claim 1 , wherein the fan unit includes a turbofan for drawing outdoor air and polluted room air in an axial direction and discharging in a radial direction.  
   
   
       15 . The ventilating system as claimed in  claim 1 , further comprising a louver in the air circulating flow passage for opening/closing the inlet.  
   
   
       16 . The ventilating system as claimed in  claim 1 , further comprising a 3-way discharge ventilating device connected to the main flow passage for making air supply and aid discharge at the same time.  
   
   
       17 . The ventilating system as claimed in  claim 16 , wherein the 3-way discharge ventilating device includes; 
 a case connected to the other end of the main flow passage, and provided in other room, having outlets in a front and opposite sides, and a first inlet and a second inlet in an underside for drawing the room air,    an air supply flow passage in the case connected to the main flow passage for supplying outdoor air to the room through the outlet,    an air discharge flow passage in the case, and connected to the main flow passage, for discharging room air to an outside of room through an inlet,    an air circulating flow passage in the case for re-supplying room air to the room, and    a fan unit in the case for forced suction of the outdoor air and the room air.    
   
   
       18 . The ventilating system as claimed in  claim 17 , wherein the main flow passage includes; 
 an air supply duct connected to the air supply flow passage, and    an air discharge duct connected to the air discharge flow passage.    
   
   
       19 . The ventilating system as claimed in  claim 1 , further comprising an air cleaning member in the case for cleaning room air or outdoor air introduced into the case.  
   
   
       20 . The ventilating system as claimed in  claim 19 , wherein the air cleaning member includes a high efficiency dust filter, photo-catalyst, and active carbon in the case.  
   
   
       21 . The ventilating system as claimed in  claim 20 , wherein the high efficiency dust filter includes an HEPA (High Efficiency Particulate Arrestor) which can filter microbes and particles of a size equal to or greater than 0.3 μm.  
   
   
       22 . The ventilating system as claimed in  claim 20 , wherein the high efficiency dust filter includes an ULPA (Ultra Low Penetration Absolute) which can filter microbes and particles of a 0.01˜0.1 μm size.  
   
   
       23 . A ventilating system comprising: 
 a main duct having an air supply duct for supplying outdoor air to a room, and an air discharging duct for discharging room air to an outside of the room;    at least one case in the room connected to the main duct, the case having a first inlet for drawing the room air for re-supplying the room air to the room, a second inlet for drawing the room air for discharging the room air to an outside of the room, and an outlet for discharging the outdoor air to the room;    an air guide in the case for separating the outdoor air supplied to the case, and the room air drawn into the case; and    a fan unit in the case for supplying the outdoor air to the room, or introducing room air into the case, and therefrom, to the room.    
   
   
       24 . The ventilating system as claimed in  claim 23 , further comprising a heat exchanger provided to an outdoor portion where the air supply duct and the air discharge duct cross for making the outdoor air being supplied to the room and the room air being discharged to an outside of the room to heat exchange, indirectly.  
   
   
       25 . The ventilating system as claimed in  claim 24 , further comprising an air supply fan in the air supply duct for drawing the outdoor air.  
   
   
       26 . The ventilating system as claimed in  claim 24 , further comprising an air discharge fan in the air discharge duct for discharging the room air.  
   
   
       27 . The ventilating system as claimed in  claim 23 , wherein the case includes; 
 an air supply flow passage in the case connected to the air supply duct for guiding the outdoor air to the outlet through an underside of the fan unit,    an air circulating flow passage in the case connected to the air supply flow passage for drawing the room air into the case through the first inlet and supplying to the room again, and    an air discharge flow passage in the case connected to the air discharge duct for drawing the room air through the second inlet and guiding the room air to the air discharge duct.    
   
   
       28 . The ventilating system as claimed in  claim 23 , further comprising an air cleaning member in the case for cleaning the room air, or the outdoor air introduced into the case.