| 摘要 |
<p>The present invention describes a planetary differential gearing (1) having a drive input spur gear (2) with an outer toothing (3) and having a planet carrier (6) which is rotationally fixedly connected to said drive input spur gear (2) and which is arranged in the hub region of the latter and which supports at least one pair of planet gearwheels (7, 8) which mesh with one another, wherein each of the at least two planet gearwheels (7, 8) is in meshing engagement with in each case one sun gear (9, 10) which in each case is rotationally fixedly connected to a drive output shaft (11, 12) and has an outer toothing. The planetary differential gearing (1) comprises at least one superposition stage (13, 14) which has at least one loose wheel (15, 16) which is in meshing engagement in each case with one of the drive output shafts (11, 12) and with a ring gear (17) which is rotationally fixedly coupled to the drive input spur gear (2). The at least one superposition stage (13, 14) also comprises at least one controllable clutch (K1, K2) for variably braking the at least one loose wheel (15, 16) with respect to a housing section (18) and/or the at least one drive output shaft (11, 12), or a controllable clutch (K1, K2) for variably braking or accelerating the ring gear (17a, 17b) with respect to the drive input spur gear (2).</p> |
