A ship screw, pump screw or turbine screw (2) for use under water or another liquid, comprising a front side and a rear side, wherein water or another liquid is forced from the front side to the rear side in use, and comprising a hub (3) and at least two blades (4) extending from said hub, wherein the blades are substantially helical/spiral shaped, their effective surface area increasing from the front side toward the rear side. Figure 2 - - - - - - - - -L - - - - - - - - - -
Ship screw, pump screw or turbine screw
2018-12-20
Patent
Elektronische Ressource
Englisch