Device for controlling flow

Abstract

A device for controlling flow, in which device at least part of surfaces coming into contact with flowing gaseous medium, such as air, are coated with a sol-gel coating.

1 . A device for controlling flow, in which device at least part of surfaces coming into contact with flowing gaseous medium, such as air, are coated, characterised in that the coating is a sol-gel coating. 
   
   
       2 . A device for controlling flow according to  claim 1 , characterised in that the device is at least one ventilation pipe. 
   
   
       3 . A device for controlling flow according to  claim 1 , characterised in that the device is an exhaust air valve. 
   
   
       4 . A device for controlling flow according to  claim 1 , characterised in that the device is an inlet air valve. 
   
   
       5 . A device for controlling flow according to  claim 1 , characterised in that the device is an exhaust register. 
   
   
       6 . A device for controlling flow according to  claim 1 , characterised in that the device is an exhaust air blower. 
   
   
       7 . A device for controlling flow according to  claim 1 , characterised in that the device is of steel, most advantageously of zinc-coated steel. 
   
   
       8 . A device for controlling flow according to  claim 1 , characterised in that the coating is a hybrid coating. 
   
   
       9 . A device for controlling flow according to  claim 1 , characterised in that the coating is a nano-composite hybrid coating. 
   
   
       10 . A device for controlling flow according to  claim 2 , characterised in that the device is of steel, most advantageously of zinc-coated steel. 
   
   
       11 . A device for controlling flow according to  claim 3 , characterised in that the device is of steel, most advantageously of zinc-coated steel. 
   
   
       12 . A device for controlling flow according to  claim 4 , characterised in that the device is of steel, most advantageously of zinc-coated steel. 
   
   
       13 . A device for controlling flow according to  claim 5 , characterised in that the device is of steel, most advantageously of zinc-coated steel. 
   
   
       14 . A device for controlling flow according to  claim 6 , characterised in that the device is of steel, most advantageously of zinc-coated steel.