| 摘要 |
<p>Combined jet comprising a turbojet stream (3), ramjet ducts (4, 4') and discharge ducts (2, 2') for improving the jet lift effect of the flow in turbojet mode. A rotating ring (6) is arranged to provide a good transition, without loss in thrust, from the turbojet mode to the ramjet mode by obstructing some of the ducts in turn. Application to aircraft jets. <IMAGE></p> |
