Three-dimensional sail apparatus

Details Three-dimensional sail apparatus Three-dimensional sail apparatus

2007-04-10

2009-08-18

Olson, Lars A (Department: 3617)

Ships

Sail or control means therefor

Having means to vary shape of sail

C114S102240, C114S102250, C114S102260, C114S102290, C114S102330

Reexamination Certificate

active

07574972

ABSTRACT:
A three-dimensional sail apparatus that is made up of a plurality of spacedly disposed foils and a sail cloth for attachment to the foils on opposite sides thereof. Each foil has opposed sail cloth supporting sides that together define a foil shape, A support is disposed between the sides for controlling the relative positioning between the sides of the foil, with each rail adapted to deflect under wind force against its related sail cloth so that the foil can assume opposite respective asymmetric foil shapes.

REFERENCES:
patent: 4336915 (1982-06-01), Stoecklin et al.
patent: 4624203 (1986-11-01), Ferguson
patent: 5271349 (1993-12-01), Magrini
patent: 7114456 (2006-10-01), Sohy

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