Ventilator

Abstract

The present invention relates to a ventilator. Channels are horizontally extended in the interior of a total heat exchanger. The channels are vertically stacked for thereby enhancing the efficiency of heat exchange.

1 . A ventilator, comprising: 
 a casing;    a flow path formed in the inside of the casing, and sucks in and discharges indoor air and/or outdoor air; and    a total heat exchanger connected to the flow path includes a plurality of channels for allowing the indoor air and/or outdoor to flow through, and the upper and lower surfaces of the total heat exchanger are blocked;    wherein a ventilation duct that connects the indoor air suction part and discharge part is provided in the flow path, and said ventilation duct is not connected with the total heat exchanger.    
   
   
       2 . A ventilator, comprising: 
 a casing;    a flow path formed in the inside of the casing, and sucks in and discharges indoor air and/or outdoor air; and    a total heat exchanger connected to the flow path includes a plurality of channels for allowing the indoor air and/or outdoor to flow through, and the upper and lower surfaces of the total heat exchanger are blocked;    wherein said flow path includes at least one ventilation duct that is not connected with the total heat exchanger, and a flow path switch that performs the switching function of another duct connected to the total heat exchanger and the ventilation duct.    
   
   
       3 . A ventilator, comprising: 
 a casing;    a total heat exchanger that is provided in the inside of the casing wherein indoor air and/or outdoor air flow through horizontally extended channels, and the upper and lower sides of the total heat exchanger are blocked;    a suction duct and a discharge duct that guide the outdoor and indoor air in the direction of the total heat exchanger, wherein an outer portion of the casing is connected with the total heat exchanger; and    a fan formed in the interior of the suction duct and/or the discharge duct;    wherein said suction duct and discharge duct are cross each other at at least one point.    
   
   
       4 . A ventilator, comprising: 
 a casing;    a total heat exchanger that is provided in the inside of the casing wherein indoor air and/or outdoor air flow through horizontally extended channels, and the upper and lower sides of the total heat exchanger are blocked;    a suction duct and a discharge duct that guide the outdoor and indoor air in the direction of the total heat exchanger, wherein an outer portion of the casing is connected with the total heat exchanger; and    a fan formed in the interior of the suction duct and/or the discharge duct;    wherein said fan is a centrifugal fan, and said duct having the centrifugal fan is vertically crossed with respect to another neighboring duct, thereby decreasing a resistance in the flow of air from the centrifugal fan.