Guide Vane for a Variable Turbine Geometry

Abstract

A guide vane, particularly for a turbocharger, has a line of curvature with at least one or more sectors having a discontinuous course.

1 - 10 . (canceled) 
     
     
         11 . A guide vane, comprising:
 a line of curvature including sectors;   at least one or more of said sectors having a discontinuous course.   
     
     
         12 . The guide vane according to  claim 11 , wherein said line of curvature includes at least one of said sectors having two sections connected to each other, said two sections transitioning into each other discontinuously or non-tangentially at a connecting point. 
     
     
         13 . The guide vane according to  claim 11 , wherein said line of curvature includes at least one of said sectors having two sections connected to each other, said two sections transitioning into each other continuously or tangentially at a connecting point. 
     
     
         14 . The guide vane according to  claim 12 , wherein at least one, more than one or all of said sections each have at least one of the same shape, a different shape or the same or different dimensions. 
     
     
         15 . The guide vane according to  claim 13 , wherein at least one, more than one or all of said sections each have at least one of the same shape, a different shape or the same or different dimensions. 
     
     
         16 . The guide vane according to  claim 12 , wherein at least one, more than one or all of said sectors each have at least one of the same shape, a different shape or the same or different dimensions. 
     
     
         17 . The guide vane according to  claim 13 , wherein at least one, more than one or all of said sectors each have at least one of the same shape, a different shape or the same or different dimensions. 
     
     
         18 . The guide vane according to  claim 11 , which further comprises:
 first, second, third and fourth sections;   said sectors including first, second and third sectors;   said first sector being formed by said first and second sections transitioning continuously into each other at a connecting point;   said second sector being formed by said second and third sections transitioning discontinuously into each other at a connecting point; and   said third sector being formed by said third and fourth sections transitioning continuously into each other at a connecting point.   
     
     
         19 . The guide vane according to  claim 18 , wherein said second and third sections of said second sector form a bend therebetween at said connecting point. 
     
     
         20 . The guide vane according to  claim 18 , wherein said first and third sectors are each curved upward or downward, or one of said first and third sectors is curved upward and the other is curved downward. 
     
     
         21 . The guide vane according to  claim 11 , wherein at least one of said sections of a sector is arcuate or straight and is curved or oriented upward or downward. 
     
     
         22 . The guide vane according to  claim 11 , wherein the guide vane is a turbocharger guide vane. 
     
     
         23 . A turbocharger, comprising:
 a variable turbine geometry having at least one or more guide vanes according to  claim 11 .   
     
     
         24 . The turbocharger according to  claim 23 , wherein at least one, more than one or all of said guide vanes of said variable turbine geometry have the same or a different shape.