Marine vessel with propeller

Details Marine vessel with propeller Marine vessel with propeller

1980-09-29

1983-02-01

Basinger, Sherman D.

Marine propulsion

Screw propeller

Having means to control flow around propeller

440 50, B63H 516

Patent

active

043713505

ABSTRACT:
A marine vessel having a propeller tunnel possessing a flow-favorable cross-sectional configuration following the flow lines of the water. Within the propeller tunnel there is mounted a propeller essentially throughout one-half of its circumference. An adjustable control plate can be extended in order to detach the flow of the water from the surface of the tunnel during rapid travel of the marine vessel. In this case, the propeller functions as a partially immersed propeller at a high rotational speed. There can be provided a control device which adjusts the control plate as a function of the rotational speed range within which the propeller operates. The propeller can be an adjustable propeller conjointly adjustable with the control plate.

REFERENCES:
patent: 1059806 (1913-04-01), Yarrow
patent: 1543082 (1925-06-01), Harley
patent: 3082827 (1963-03-01), Rosen
patent: 3793980 (1974-02-01), Sherman

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