Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
G09F13/00—Illuminated signs; Luminous advertising
G09F13/34—Illuminated signs; Luminous advertising with light sources co-operating with movable members, e.g. with shutters to cover or uncover the light source
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
Engineering & Computer Science
(AREA)
Theoretical Computer Science
(AREA)
Wind Motors
(AREA)
Structures Of Non-Positive Displacement Pumps
(AREA)
Kettenturbine mit zweifacher Wasserdurchstroemung, bei welcher die Schaufelwinkel derart gewoelbt sind, dass bei normaler Umdrehungszahl der Turbine die Ausflussgeschwindigkeit mit der Einstroemungsgeschwindigkeit der Turbine vektoriell gleich ist