| 摘要 |
<p>Device for the drive of motor-vehicle accessories, in which two drive ratios between a driving member and a receiving member are possible and which comprises a planetary gear train and control means comprising a clutch, sensitive to the rotational speed of the driving member and making it possible to drive the receiving member either at a speed stepped up by means of the planetary gear train or at the speed of the driving member by means of a one-way coupling. The planetary gear train comprises a ring (12) fixed to a stationary element, a planet wheel (4) fixed to the receiving member (1) and a satellite carrier (8); the clutch (13) to (16) is arranged between the satellite carrier (8) and the driving member (6), being controlled by centrifugal means (13) during the clutch release, whilst the one-way coupling (7) is arranged between the driving member (6) and the planet wheel (4).</p> |
