| 摘要 |
The device has a gondola head with a machine bearer, a rotor hub (2) with at least one internal chamber (3) mounted in front of the gondola head, whose drive train (4) is supported on the machine bearer by at least one rotor bearing (5) on entry to the gondola head, whereby the interior (6) of the head and the internal volume of the hub are connected via at least one passage. The passage passes through the inner ring (14) of the rotor bearing. |
