| 摘要 |
The invention relates to a multi-speed automatic gearbox, comprising an input shaft (AN), an output shaft (AB), three individual planetary gearsets (RS1, RS2, RS3) and five switching elements (A to E), the selective paired closure of which permits transmission of an input rotational speed from the input shaft (AN) to the output shaft (AB) without multiple shifting. A sun wheel (S03) of the third gearset (RS3) may be fixed to a gearbox housing (GG), by means of the first switching element (A). The input shaft (AN) is connected to a sun wheel (S02) of the second gearset (RS2) and may be connected to a sun wheel (SO1) of the first gearset (RS1) by means of the second switching element (B) and/or connected to a web (ST1) on the first gearset (RS1) by means of the fifth switching element (E). The sun wheel (SO1) of the first gearset (RS1) may alternatively be fixed to the gearbox housing (GG) by means of the third switching element (C) and/or to the web (ST1) of the of the first gearset (RS1) by means of the fourth switching element (D). The output shaft (AB)is connected to a ring gear (HO1) of the first gearset (RS1) and one of the webs (ST2, ST3) of the second or third gearset (RS2, RS3). The first planetary gearset (RS1) only has the input shaft (AN) passing completely through the centre in the axial direction. The fifth switching element (E) is arranged between the first and second gearset (RS1, RS2) from a spatial point of view and the second, third and fourth switching elements (B, C, D) are arranged on the side of the first gearset (RS1) away from the fifth switching element (E).
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