Rotary wing aircraft
US5149014A · kind A · utility
16Cited by
6References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 27, 1990 |
| Grant date | Sep 22, 1992 |
| Priority date | — |
| Expiry date | Feb 27, 2010 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB64C27/18
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A rotary wing aircraft with rotor blades mounted on a rotor head and with reaction drive. The rotor blades have hollow interiors and are provided on their trailing edge with at least one outlet opening for compressed air supplied via the rotor head. Such rotor head may include an air suction region in which there is mounted a suction device having a pressure side connected to the hollow interiors of the rotor blades.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.