Solar deflection device

Abstract

Solar deflection device ( 1 ) comprising at least the following components: •a hollow funnel ( 2 ), comprising a funnel wall ( 2 a ) that comprises a reflective surface ( 2 b ) on an inside of the funnel ( 2 ) for reflecting electromagnetic radiation, •an inlet aperture ( 3 ) of said funnel ( 2 ), wherein the inlet aperture ( 3 ) extends within an inlet plane ( 3 a ), •an exit aperture ( 4 ) of said funnel ( 2 ), wherein the exit aperture ( 4 ) extends within an exit plane ( 4 a ) and wherein the area ( 4 b ) enclosed by the exit aperture ( 4 ) has a different size than the area ( 3 b ) enclosed by the inlet aperture ( 3 ), •a curved line that ( 5 ) extends from the center ( 3 c ) of the inlet aperture ( 3 ) to the center ( 4 c ) of the exit aperture ( 4 ), wherein for each plane ( 6 a ) that intersects said curved line ( 5 ) perpendicularly, the reflective surface ( 2 b ) of the funnel wall ( 2 a ) has a cross-section ( 6 ) within said plane ( 6 a ), wherein said cross-section ( 6 ) encloses an area ( 6 b ) and is centered around the curved line ( 5 ), •a deflection angle ( 7 ) that is enclosed between said plane ( 6 a ) and the inlet plane ( 3 a ).

1 . Solar deflection device ( 1 ) comprising at least the following components:
 a hollow funnel ( 2 ), comprising a funnel wall ( 2   a ) that comprises a reflective surface ( 2   b ) on an inside of the funnel ( 2 ) for reflecting electromagnetic radiation,   an inlet aperture ( 3 ) of said funnel ( 2 ), wherein the inlet aperture ( 3 ) extends within an inlet plane ( 3   a ),   an exit aperture ( 4 ) of said funnel ( 2 ), wherein the exit aperture ( 4 ) extends within an exit plane ( 4   a ) and wherein the area ( 4   b ) enclosed by the exit aperture ( 4 ) has a different size than the area ( 3   b ) enclosed by the inlet aperture ( 3 ),   a curved line that ( 5 ) extends from the center ( 3   c ) of the inlet aperture ( 3 ) to the center ( 4   c ) of the exit aperture ( 4 ), wherein for each plane ( 6   a ) that intersects said curved line ( 5 ) perpendicularly, the reflective surface ( 2   b ) of the funnel wall ( 2   a ) has a cross-section ( 6 ) within said plane ( 6   a ), wherein said cross-section ( 6 ) encloses an area ( 6   b ) and is centered around the curved line ( 5 ),   a deflection angle ( 7 ) that is enclosed between said plane ( 6   a ) and the inlet plane ( 3   a ).   
     
     
         2 . Solar deflection device according to  claim 1 , wherein the area ( 3   b ,  4   b ,  6   b ) enclosed by the inlet aperture ( 3 ), the exit aperture ( 4 ) and/or the cross-section ( 6 ) has an oval, particularly a circular shape or elliptical shape. 
     
     
         3 . Solar deflection device according to  claim 1 , wherein at essentially each point of the curved line ( 5 ), the curved line ( 5 ) has a curvature that is larger than zero. 
     
     
         4 . Solar deflection device according to  claim 1 , wherein said curved line ( 5 ) is an arc line, particularly a circular arc line with a radius (R c ), or a non-parabolic line. 
     
     
         5 . Solar deflection device according to  claim 1 , wherein the aperture area ( 3   b ) of the inlet aperture ( 3 ) is larger than the aperture area ( 4   b ) of the exit aperture ( 4 ). 
     
     
         6 . Solar deflection device according to  claim 1 , wherein the size of the enclosed area ( 6   b ) of the cross-section ( 6 ), particularly the diameter ( 6   d ) of the cross-section ( 6 ) is a continuous function (S) of said deflection angle ( 7 ). 
     
     
         7 . Solar deflection device according to  claim 6 , wherein the function (S) is continuously differentiable at least once, particularly twice, more particularly three times. 
     
     
         8 . Solar deflection device according to  claim 6 , wherein the function (S) is a monotonic function, particularly a strictly monotonic function. 
     
     
         9 . Solar deflection device according to  claim 6 , wherein the function (S) is an interpolating function, including the diameter ( 3   d ) of the inlet aperture ( 3 ) and the diameter ( 4   d ) of the exit aperture ( 4 ) as interpolation points. 
     
     
         10 . Solar deflection device according to  claim 6 , wherein the function (S) comprises a spline, particularly a linear, a quadratic or a cubic, particularly a natural cubic spline. 
     
     
         11 . Solar deflection device according to  claim 9 , wherein the function (S) comprises or is a piecewise particularly natural cubic spline connecting a plurality of interpolation points, wherein particularly the size of the enclosed area ( 3   b ), particularly the diameter ( 3   d ), of the inlet aperture ( 3 ) and the size of the enclosed area ( 4   b ), particularly the diameter ( 4   d ) of the exit aperture ( 4 ) are two of the plurality of interpolation points and wherein particularly a third interpolation point corresponds to the size of the enclosed area ( 6   b ), particularly to the diameter ( 6   d ) of the cross-section ( 6 ). 
     
     
         12 . Solar deflection device according to  claim 1 , wherein the solar deflection device comprises a nominal half acceptance angle ( 9 ) between 30° and 60°, preferably 45°. 
     
     
         13 . Solar deflection device according to  claim 1 , wherein the inlet aperture ( 3 ) and the exit aperture ( 4 ) enclose a deflection angle ( 7 ) between 30° and 60°, preferably 45°. 
     
     
         14 . Solar deflection device according to  claim 1 , wherein the inlet plane ( 3   a ) and the exit plane ( 4   a ) are perpendicular to the curved line ( 5 ).