Compound displacement wave form hull design for green vessels

Details Compound displacement wave form hull design for green vessels Compound displacement wave form hull design for green vessels

2011-07-26

2011-07-26

Venne, Daniel (Department: 3617)

Ships

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

Reexamination Certificate

active

07984683

ABSTRACT:
Compound hull for electric-powered, cruiser-type vessels having a unique hard chine displacement wave form hull that recycles wave energy to minimize drag and results in lowered power requirements for long-period cruising at displacement hull speeds. The inventive hull comprises: 1) an upper hull portion having a flat bottom square transom, the bottom curve of the hull sides of which match the vessel's wave form at hull speed, mated to, 2) a bottom hull portion formed as a double ended V-bottom lower displacement hull having a constant varying dead-rise. The inventive hull requires up to 50% less power than conventional cruisers of other hull shapes, at displacement hull speed.

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“A boat that does not produce waves”, Press Release, Alpe Adria Magazin, Feb. 6, 2002, www.alsphere.at/press/artikel—01.php.

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