Ship with improved stern structure

Details Ship with improved stern structure Ship with improved stern structure

1979-07-09

1982-01-05

Basinger, Sherman D.

Marine propulsion

Screw propeller

Having means to control flow around propeller

B63H 514

Patent

active

043091725

ABSTRACT:
The present invention relates to a ship with structural improvements which prevent factors causing an increase in the horsepower required for propulsion or an increase in propeller cavitation, hull vibration and noise, all of which result from the water turbulence and nonuniformity of flow field along the stern caused by corpulence of ship, and the present invention provides such a ship with a structural improvement comprising having a ring-shaped construction directly attached to the hull on each of the ship's stern and in front of the propeller.

REFERENCES:
patent: 3066893 (1962-12-01), Mercier
patent: 3179081 (1965-04-01), Backhaus et al.
patent: 3605672 (1971-09-01), Strumbos
patent: 3635186 (1972-01-01), German

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