High-Froude hull ship

Details High-Froude hull ship High-Froude hull ship

2006-06-06

2006-06-06

Avila, Stephen (Department: 3617)

Ships

Displacement-type hull

Multiple hulls

C114S061260

Reexamination Certificate

active

07055446

ABSTRACT:
A large-waterplane-area ship operable to efficiently operate at a high-Froude velocity. In one embodiment of the invention, a large-waterplane-area ship includes a hull structure having a plurality of exclusive hull portions protruding from a main body of the hull structure. Each hull portion has a length shorter than the length of the main body and each hull portion has a buoyancy wherein the combined buoyancy of each hull portion is sufficient to support the main body above a waterline. As such, each hull portion acts independently and exclusively of other hull portions with respect to the effects of wave drag. Therefore, the ship overcomes wave drag at lower velocities.

REFERENCES:
patent: 3304899 (1967-02-01), Weatherly
patent: 5134950 (1992-08-01), Berte
patent: 5320056 (1994-06-01), Marinzoli
patent: 5592895 (1997-01-01), Schmidt
patent: 5787828 (1998-08-01), Barbier et al.
patent: 5794558 (1998-08-01), Loui
patent: 6487982 (2002-12-01), Takahashi et al.
patent: 6666160 (2003-12-01), Orneblad

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