Vessel provided with a propeller tunnel

Details Vessel provided with a propeller tunnel Vessel provided with a propeller tunnel

2006-06-27

2006-06-27

Sotelo, Jesus D. (Department: 3617)

Marine propulsion

Screw propeller

Having means to control flow around propeller

C114S048000

Reexamination Certificate

active

07066776

ABSTRACT:
Vessel provided with a propeller protruding beyond the hull fitted in a propeller tunnel that extends as far as the stern of the vehicle. The surface area of the propeller tunnel recessed in the hull in a direction perpendicular to the longitudinal axis of the vessel is essentially constant over the length of the cavity. The width of the cavity increases in the upstream direction to the end of the tunnel.

REFERENCES:
patent: 3744446 (1973-07-01), Gibbins
patent: 3848561 (1974-11-01), Price
patent: 4300889 (1981-11-01), Wormser
patent: 4685889 (1987-08-01), Nystrom

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