Water-jet propulsion unit for vessels

Details Water-jet propulsion unit for vessels Water-jet propulsion unit for vessels

B - Operations, Transporting

63

H

115/15

B63H 11/10 (2006.01) B63B 39/08 (2006.01) B63H 11/113 (2006.01) B63H 11/117 (2006.01)

Patent

CA 1090203

ABSTRACT OF THE DISCLOSURE Water-jet propulsion unit for vessels which includes a water duct having an inlet and outlet portions and an impeller disposed in the water duct. The outlet portion has a variable outlet nozzle which can discharge water downwardly when desired to produce a lift force for lifting the stern of the vessel. The arrangement provides an improved rolling stability under a stationary condition and is also effective to decrease a drag force under the "hump" condition.

302935

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