Vessel comprising an aft foil oriented to provide a forwardly directed component of lift force

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United States of America Patent

PATENT NO 9862458
SERIAL NO

15325977

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Abstract

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The invention relates to a vessel for operating on a body of water comprising: a non-planing hull having a waterline and a longitudinal direction with a forward portion, an aft portion, and a central portion, the hull being configured to have the aft portion with a smaller water displacement relative to a water displacement at the central portion; and an aft foil affixed to the aft hull portion with one or more connecting members, and below the surface of the water, and spaced from the hull, the aft foil having a span, a chord, and a leading edge and a trailing edge relative to a forward direction, wherein the leading edge of the aft foil is tilted at a downward angle relative to the horizontal, wherein the aft foil has a chord and profile in longitudinal cross section, with a configuration to provide a lifting force, the tilt angle of the chord of the aft foil being measured with respect to the horizontal, and wherein the aft foil is oriented to provide a continuous, upward, forwardly directed component of the lifting force.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
VAN OOSSANEN & ASSOCIATES B V6705 BB WAGENINGEN

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Van, Oossanen Pieter Wageningen, NL 5 6

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