Wingsail stalling
US4856449A · kind A · utility
7Cited by
2References
12Claims
0Family size
Inventor
Key dates
| Filing date | Jul 22, 1988 |
| Grant date | Aug 15, 1989 |
| Priority date | — |
| Expiry date | Jul 22, 2008 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB63H9/061
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
Wingsail configurations for multi element wingsails for maintaining full stall for maximum speed in running downwind in which the trailing edges of at least a pair of flap elements of a multi element structure are maintained in the convergent configuration so that in the deflected position of the flap there is a leeward progression to deeper stalling.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.