High speed watercraft suitable for rough water conditions

Details High speed watercraft suitable for rough water conditions High speed watercraft suitable for rough water conditions

2011-03-29

2011-03-29

Olson, Lars A (Department: 3617)

Ships

Hull or hull adjunct employing fluid dynamic forces to...

Having laterally disposed skids or pontoons

C114S279000, C114S284000

Reexamination Certificate

active

07913636

ABSTRACT:
A watercraft suitable for operation in rough water conditions is disclosed. The watercraft comprises a central platform (13) and two pairs of hull units (60), a forward pair and an aft pair. The hull units are located on opposite sides of tie platform and extend below the platform, with each hull unit comprising a mount (54) attached to the platform and a trailing hull connected to the mount via a movable hull support. The components of the hull units are connected by joints (58,62) arranged to constrain lateral and axial movement of: the hull relative to the platform (12) but to permit pivoting thereof about the mount (54). Each hull unit has a suspension assembly arranged to support the respective hull units, and comprises a suspension member (66) extending from the platform (12) to a mounting point (20) on the hull aft of the respective mount, and being arranged to accommodate movement of the hull relative t) the platform and to apply damping to movement of the hull.

REFERENCES:
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patent: 3517632 (1970-06-01), Dudley
patent: 3922994 (1975-12-01), De Long
patent: 3998176 (1976-12-01), Stout et al.
patent: 4685641 (1987-08-01), Kirsch et al.
patent: 4763594 (1988-08-01), Zickermann
patent: 7314014 (2008-01-01), Heyring et al.
patent: 2 746 763 (1997-10-01), None
patent: 2081789 (1990-03-01), None

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