US2008163578A1PendingUtilityA1

Louver blades tapered in one direction

25
Assignee: CHANG SHIN JONGPriority: Jan 8, 2007Filed: Jan 8, 2007Published: Jul 10, 2008
Est. expiryJan 8, 2027(~0.4 yrs left)· nominal 20-yr term from priority
Inventors:Shin Jong Chang
F24F 13/075F24F 13/15
25
PatentIndex Score
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References
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Claims

Abstract

A louver blade is provided. The louver blade according to current application is asymmetric in side view. Side view of the louver blade has one sharp end. The other end of the louver blade is blunt. Center of the side view of the louver is thicker than the other part of the blade. Angle of the sharp end is in the range of 3 to 10 degree. Another embodiment of the current application is a louver blade tapered in one direction.

Claims

exact text as granted — not AI-modified
1 . One side tapered louver blade having;
 width of 2.5 inches, and   an angle of 3 degree between upper surface and lower surface of the blade, and   thickness of 0.5 inch at blunt side.   
   
   
       2 . One side tapered louver blade of  claim 1 , wherein the width is 3.5 inches. 
   
   
       3 . One side tapered louver blade of  claim 1 , wherein the width is 4 inches. 
   
   
       4 . One side tapered louver blade of  claim 1 , wherein the width is 4.5 inches. 
   
   
       5 . One side tapered louver blade of  claim 1 , wherein the width is 5.5 inches. 
   
   
       6 . One side tapered louver blade of  claim 1 , wherein the width is 6.5 inches. 
   
   
       7 . One side tapered louver blade of  claim 1 , wherein the angle is 4 degree. 
   
   
       8 . One side tapered louver blade of  claim 1 , wherein the angle is 5 degree. 
   
   
       9 . One side tapered louver blade of  claim 1 , wherein the angle is 6 degree. 
   
   
       10 . One side tapered louver blade of  claim 1 , wherein the angle is 7 degree. 
   
   
       11 . One side tapered louver blade of  claim 1 , wherein the angle is 8 degree. 
   
   
       12 . One side tapered louver blade of  claim 1 , wherein the angle is 9 degrees. 
   
   
       13 . One side tapered louver blade of  claim 1 , wherein the angle is 10 degrees. 
   
   
       14 . Asymmetric side viewed louver blade having;
 width of 2.5 inches, and an angle of 3 degree between upper surface and lower surface of the blade at one side,   and   thickness of 0.5 inch at the center of the width of the blade.   
   
   
       15 . Asymmetric side viewed louver blade of  claim 14 , wherein the width is 3.5 inches. 
   
   
       16 . Asymmetric side viewed louver blade of  claim 14 , wherein the width is 4 inches. 
   
   
       17 . Asymmetric side viewed louver blade of  claim 14 , wherein the width is 4.5 inches. 
   
   
       18 . Asymmetric side viewed louver blade of  claim 14 , wherein the width is 5.5 inches. 
   
   
       19 . Asymmetric side viewed louver blade of  claim 14 , wherein the width is 6.5 inches. 
   
   
       20 . Asymmetric side viewed louver blade of  claim 14 , wherein the angle is 3 degree. 
   
   
       21 . Asymmetric side viewed louver blade of  claim 14 , wherein the angle is 4 degree. 
   
   
       22 . Asymmetric side viewed louver blade of  claim 14 , wherein the angle is 5 degree. 
   
   
       23 . Asymmetric side viewed louver blade of  claim 14 , wherein the angle is 6 degree. 
   
   
       24 . Asymmetric side viewed louver blade of  claim 14 , wherein the angle is 7 degree. 
   
   
       25 . Asymmetric side viewed louver blade of  claim 14 , wherein the angle is 8 degree. 
   
   
       26 . Asymmetric side viewed louver blade of  claim 14 , wherein the angle is 9 degree. 
   
   
       27 . Asymmetric side viewed louver blade of  claim 14 , wherein the angle is 10 degree.

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