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US 2002/0157591 A1Published application
Planing, air-conveying bottom for boats
OwnerRiccardo Mambrettiinventor
Life of this patent
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Abstract
V-shaped bottom (94) for fast motorboats (90) that presents a number of longitudinal means substantially parallel and symmetrical to the keel having walls that react to the lateral thrust from the water-air mixture, formed either of grooves (15, 18, 91, 92) or of ribs, their sides being widely curved at the junction respectively with the base of the grooves (15, 18, 91, 92) and with the surface of the bottom (94) of the boat.
Claims24
V-shaped bottom (12, 51, 71, 81, 94, 102, 112) for fast motorboats (10, 30, 40, 50, 70, 80, 90, 100, 110),
- characterized in that it exhibits several longitudinal means of reaction (15-18, 31, 41, 55, 59, 72, 82, 91, 101, 111) substantially parallel and symmetrical in relation to the keel (13, 35, 45, 52) with walls (21, 22, 33, 43, 56, 74, 83, 103, 104) that react to lateral thrust (28) from the water-air mixture (95).
Dependencies are inferred from the claim text.