Title:
A WING SAIL STRUCTURE
Document Type and Number:
WIPO Patent Application WO1991004191
Kind Code:
A3
Abstract:
PCT No. PCT/EP90/01564 Sec. 371 Date Jul. 5, 1991 Sec. 102(e) Date Jul. 5, 1991 PCT Filed Sep. 14, 1990 PCT Pub. No. WO91/04191 PCT Pub. Date Apr. 4, 1991.A wingsail structure wherein the sail comprises a plurality of ribs encircling the mast and is guided slidably along the mast. A fabric skin is wrapped around the ribs. In a preferred embodiment, the mast is provided with at least two opposed, parallel longitudinal grooves forming respective guides for running carts attached to the ribs and is formed by a pair of parallel slats interconnected by cross-beams, said slats having an airfoil shaped cross-section.
Inventors:
MAGRINI GIORGIO (IT)
Application Number:
PCT/EP1990/001564
Publication Date:
May 02, 1991
Filing Date:
September 14, 1990
Export Citation:
Assignee:
MAGRINI GIORGIO (IT)
International Classes:
B63H9/06; (IPC1-7): B63H9/06
Domestic Patent References:
| WO1986004035A1 | 1986-07-17 |
Foreign References:
| US3381647A | 1968-05-07 | |||
| US4386574A | 1983-06-07 | |||
| FR889560A | 1944-01-13 | |||
| GB2119730A | 1983-11-23 | |||
| GB2085387A | 1982-04-28 | |||
| US4685410A | 1987-08-11 | |||
| DE319138C | 1920-03-01 | |||
| GB198649A | 1924-05-01 |
Other References:
See also references of EP 0444187A1
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