Multihull hydrofoil watercraft

Details Multihull hydrofoil watercraft Multihull hydrofoil watercraft

2007-11-08

2010-06-29

Vasudeva, Ajay (Department: 3617)

Ships

Displacement-type hull

Multiple hulls

C114S039260, C114S039280, C114S061150, C114S122000, C114S126000, C114S275000, C114S279000, C114S280000, C114S283000, C114S284000

Reexamination Certificate

active

07743720

ABSTRACT:
A multihull hydrofoil watercraft incorporates a stabilization system wherein the buoyancy of the hulls is used as a sensing and control mechanism for the hydrofoils. The use of hull buoyancy to adjust the hydrofoil lift provides for automatic control of altitude, pitch and roll, and allows the craft to accommodate varying weather and sea conditions while providing a smooth ride for passengers. The stabilization technique eliminates the need for extraneous sensing mechanisms placed in or on the water surface which are subject to fouling, damage, or disruption by localized surface disturbances.

REFERENCES:
patent: 2387907 (1945-10-01), Hook
patent: 2709979 (1955-06-01), Bush et al.
patent: 3092062 (1963-06-01), Savitsky
patent: 3149602 (1964-09-01), Vogt
patent: 3762353 (1973-10-01), Shutt
patent: 3812806 (1974-05-01), Korotkov et al.
patent: 4711195 (1987-12-01), Shutt
patent: 5168824 (1992-12-01), Ketterman

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