Ventilation system including a filter housing located outside the building

Abstract

The invention relates to a ventilation system for a building ( 2 ) including an inlet ( 4 ) for outside air. According to the invention a filter housing ( 7 ) is located outside the building ( 2 ) and the outlet ( 13 ) from the filter housing ( 7 ) is connected to said inlet ( 4 ) for outside air.

1 . A ventilation system for a building including an inlet for outside air, the ventilation system comprising: a filter housing located outside the building and having an outlet, the outlet of the filter housing connected to said inlet for outside air. 
     
     
         2 . The ventilation system according to  claim 1 , wherein several filters units are accommodated in said filter housing, each filter unit having an inlet. 
     
     
         3 . The ventilation system according to  claim 2 , wherein the inlets to said filter units are protected against wind and weather. 
     
     
         4 . The ventilation system according to  claim 3 , wherein each of said filter units are accessible for replacement and maintenance by a separate door providing said protection against wind and weather. 
     
     
         5 . The ventilation system according to  claim 1 , wherein different types of filters are accommodated within the filter housing. 
     
     
         6 . The ventilation system according to  claim 1 , wherein the filter housing is located on the roof of the building containing the ventilation system. 
     
     
         7 . The ventilation system according to  claim 2 , wherein different types of filters are accommodated within the filter housing. 
     
     
         8 . The ventilation system according to  claim 3 , wherein different types of filters are accommodated within the filter housing. 
     
     
         9 . The ventilation system according to  claim 4 , wherein different types of filters are accommodated within the filter housing. 
     
     
         10 . The ventilation system according to  claim 2 , wherein the filter housing is located on the roof of the building containing the ventilation system. 
     
     
         11 . The ventilation system according to  claim 3 , wherein the filter housing is located on the roof of the building containing the ventilation system. 
     
     
         12 . The ventilation system according to  claim 4 , wherein the filter housing is located on the roof of the building containing the ventilation system. 
     
     
         13 . The ventilation system according to  claim 5 , wherein the filter housing is located on the roof of the building containing the ventilation system.