| 摘要 |
A vacuum line damping adapter (3) insertable in a suction duct between a service chamber (2) and a vacuum pump (1), comprises a tubular duct wall in the form of a bellows flexible at both ends (6c, 6d) and surrounded by a damping sleeve (7) supported on both ends of the flexible bellows, in which flexible bellows' plies (6a, 6b) receive, on their outer faces, a passive damping elastomer (8a) engaged between the plies. |
