Vessel hull

Details Vessel hull Vessel hull

2006-06-06

2006-06-06

Olson, Lars A. (Department: 3617)

Ships

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

Having fluid channeling or entrapping configuration

C114S271000

Reexamination Certificate

active

07055451

ABSTRACT:
A vessel hull having a pair of vents formed in the chine on each side for allowing air to be introduced to the bottom and a pair of downwardly extending fins formed longitudinally along the chine adjacent to each vent. Each vent can be formed by a recess in the chine dividing the chine into a forward portion and an aft portion. Each fin is preferably formed longitudinally along the aft portion of the chine and extends below the waterline. The fins counterbalance the removal of a portion of the chine to vent the bottom and increase stability during turns. The hull preferably also includes a pair of chine extensions projecting aft of the transom on each side for reducing or eliminating side-to-side oscillation of the stern when the hull is propelled through the water at slow speeds.

REFERENCES:
patent: 3602179 (1971-08-01), Cole
patent: 4263866 (1981-04-01), Shirley
patent: 4492176 (1985-01-01), Arima
patent: 5404830 (1995-04-01), Ligozio
patent: 5983823 (1999-11-01), Allison
patent: 6000357 (1999-12-01), Allison
patent: 6629507 (2003-10-01), Biddison
patent: 6782839 (2004-08-01), Nozaki

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