Ships – Hull or hull adjunct employing fluid dynamic forces to... – Having hydrofoil
Patent
1997-12-02
1999-01-19
Swinehart, Ed L.
Ships
Hull or hull adjunct employing fluid dynamic forces to...
Having hydrofoil
114274, B63B 128
Patent
active
058603840
ABSTRACT:
A wake control apparatus for adjusting the trim of a watercraft to selectively raise and lower the level of the wake produced by the watercraft. The apparatus comprises at least one hydrofoil which is pivotally connectable to the watercraft, and at least one actuator which is mechanically coupled to the hydrofoil and connectable to the watercraft. The actuator is adapted to selectively move the hydrofoil between first and second positions. When the apparatus is connected to the watercraft and the watercraft is propelled within the water, the movement of the hydrofoil toward the second position causes the aft end of the watercraft to be drawn downwardly into the water to increase the level of the wake produced thereby. The movement of the hydrofoil toward the first position causes the aft end of the watercraft to be elevated within the water to reduce the level of the wake produced thereby.
REFERENCES:
patent: Re12791 (1908-05-01), Reeve
patent: 3294052 (1966-12-01), Jones
patent: 4915048 (1990-04-01), Stanford
patent: 5315951 (1994-05-01), Finkl
patent: 5549071 (1996-08-01), Pigeon et al.
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