Passively stable hovering system
US5070955A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 17, 1990 |
| Grant date | Dec 10, 1991 |
| Priority date | — |
| Expiry date | Sep 17, 2010 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB64U2201/20
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A flight system capable of passively stable hover and horizontal translatory flight, comprises an apparatus defining a vertical axis, and including multiple ducts with substantially vertical axes in hover mode, spaced the axis; fluid momentum generators in the ducts to effect flow of fluid downwardly in the ducts in hover; and fluid flow deflector structure in the path of the flowing duct fluid, and angled to deflect the fluid flow away from the axis, in such manner as to provide stability in hover of the apparatus, as well as stability when the entire device is tilted through approximately 90.degree. to execute horizontal translatory flight.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.