Roof tile

Abstract

A roof tile 1 , having a length, a width and a height, has an upwardly extending elongate passage 6 having a substantially unobstructed pathway from an outlet 4 at the lower end of the passage to an inlet 2 at an upper end of the passage. A downwardly extending passage 7 communicating with the inlet 2 and adapted to connect to a duct creating a flow path through the passage, through the inlet and along the tile to the outlet. The upwardly extending passage 6 is substantially the length and width of the tile and has a substantially greater width than height.

1 . A roof tile having a length, a width and a height, including: 
 an upwardly extending elongate passage having a substantially unobstructed pathway from an outlet at the lower end of the passage to an inlet at an upper end of the passage,    a downwardly extending passage communicating with the inlet and adapted to connect to a duct,    wherein the upwardly extending passage is substantially the length and width of the tile and has a substantially greater width than height.    
   
   
       2 . A roof tile according to  claim 1 , wherein the downwardly extending passage is adjacent the inlet on the side of the inlet remote from the outlet.  
   
   
       3 . A roof tile according to  claim 2 , wherein the inlet, in use, is located below the course of tiles positioned above the roof tile.  
   
   
       4 . A roof tile according to  claim 1 , wherein the roof tile includes an insect barrier.  
   
   
       5 . A roof tile according to  claim 1 , wherein the downwardly extending passage is orientated perpendicularly to the upwardly extending passage.  
   
   
       6 . A roof tile according to  claim 5 , wherein the downwardly extending passage is cylindrical.  
   
   
       7 . A roof tile according to any one of claims  1 , wherein the downwardly extending passage is adapted to be able to be connected to at least two sized ducts.  
   
   
       8 . A roof tile according to  claim 1  wherein the roof tile is made from plastic.  
   
   
       9 . A roof tile according to  claim 8  wherein the roof tile includes a light transmitting portion.  
   
   
       10 . A roof tile according to  claim 9  wherein the roof tile is adapted to be connected to light conveying duct.  
   
   
       11 . A roof tile according to  claim 1  wherein the roof tile is made from metal.  
   
   
       12 . A roof tile according to  claim 1  wherein the roof tile is made from a combination of metal and plastic.  
   
   
       13 . A roof tile according to  claim 1  wherein the ratio of length to width to height is 16:12:1.