Ships – Displacement-type hull – Multiple hulls
Patent
1993-02-24
1994-04-12
Mitchell, David M.
Ships
Displacement-type hull
Multiple hulls
114274, 440 66, B63B 110
Patent
active
053016246
ABSTRACT:
The invention provides an improved SWATH type vessel having pontoons and a stern plane located in a position to influence water flow in the region of the tail cone portions of the pontoons and the propellers to reduce depression of the water adjacent the propellers which would otherwise cause propeller ventilation when the vessel is moving at speed.
REFERENCES:
patent: 2415183 (1947-07-01), Law
patent: 3977348 (1976-08-01), Bordat et al.
patent: 4174671 (1979-11-01), Seidl
patent: 4781632 (1988-11-01), Litjens et al.
patent: 4919063 (1990-04-01), Hall et al.
patent: 5134954 (1992-08-01), Barry et al.
Hall Nelson W.
Higdon Donald T.
Avila Stephen P.
Keeling Edward J.
Mitchell David M.
Swath Ocean Systems, Inc.
Townsend, Jr. Charles E.
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