| 摘要 |
An epicyclic gear train, for an aircraft (1) capable of hovering, having a sun gear (7) rotating about a first axis (A); a fixed ring gear (9) positioned coaxially with the first axis (A) and radially outwards with respect to the sun gear (7); a number of planet gears (11), which are interposed between and mesh with the sun gear (7) and the ring gear (9), and rotate about respective second axes (B), in turn revolving about the first axis (A); and lubricant feed means (16); the feed means (16) having a number of nozzles (17) arranged about the first axis (A) and the sun gear (7) to produce an annular flow (F) of lubricant. |
