Marine propeller

Details Marine propeller Marine propeller

B - Operations, Transporting

63

H

115/22

B63H 1/16 (2006.01) B63H 1/26 (2006.01)

Patent

CA 1116959

Abstract A marine ring propeller comprising blades, each having parallel edges and a constant cross-section, and a ring in the form of an annular shroud fixed to the outer ends of the blades. The shroud is typically frusto-conical on its inner surface and curved on its outer surface to provide an aerofoil cross-section, apart from the leading edge which is provided with alconcave bevel on either or both of the inner and outer surfaces.

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