阅读说明：本技术 尤其用于机动车的多级变速器以及机动车 (Multi-stage transmission, in particular for a motor vehicle, and motor vehicle ) 是由 T·施尔德尔 K·里德尔 于 2018-11-13 设计创作，主要内容包括：本发明涉及一种多级变速器(10),其具有：箱体(16)；驱动轴(48)；从动轴(52)；布置在箱体(16)中且具有第一太阳轮(20)、第一齿圈(22)和第一行星齿轮架(24)的第一行星齿轮组(18)；布置在箱体(16)中且具有第二太阳轮(30)、第二齿圈(32)和第二行星齿轮架(34)的第二行星齿轮组(28)；布置在箱体(16)中的第三行星齿轮组(38),该第三行星齿轮组具有永久地以不能相对转动的方式连接至第二太阳轮(30)的第三太阳轮(40)、第三齿圈(42)和永久地以不能相对转动的方式连接至从动轴(52)的第三行星齿轮架(44)；和至少四个切换元件(56,58,60,62,64,66),所述切换元件(56,58,60,62,64,66)中的第一切换元件设计用于将第二行星齿轮架(34)固定在箱体(16)上,所述切换元件(56,58,60,62,64,66)中的第二切换元件设计用于将第三太阳轮(40)固定在箱体(16)上。(The invention relates to a multi-stage transmission (10) comprising: a case (16); a drive shaft (48); a driven shaft (52); a first planetary gear set (18) arranged in the case (16) and having a first sun gear (20), a first ring gear (22), and a first planetary carrier (24); a second planetary gear set (28) disposed in the case (16) and having a second sun gear (30), a second ring gear (32), and a second planet carrier (34); a third planetary gear set (38) arranged in the housing (16) and having a third sun gear (40) permanently connected to the second sun gear (30) in a relatively non-rotatable manner, a third ring gear (42) and a third planet carrier (44) permanently connected to the output shaft (52) in a relatively non-rotatable manner; and at least four shift elements (56,58,60,62,64,66), a first of the shift elements (56,58,60,62,64,66) being designed to fix the second planet carrier (34) to the housing (16), and a second of the shift elements (56,58,60,62,64,66) being designed to fix the third sun gear (40) to the housing (16).)

1. A multi-speed transmission (10) having: a case (16); a drive shaft (48); a driven shaft (52); a first planetary gear set (18) arranged in the case (16) and having a first sun gear (20), a first ring gear (22), and a first planetary carrier (24); a second planetary gear set (28) disposed in the case (16) and having a second sun gear (30), a second ring gear (32), and a second planet carrier (34); a third planetary gear set (38) arranged in the housing (16) and having a third sun gear (40) permanently connected to the second sun gear (30) in a relatively non-rotatable manner, a third ring gear (42) and a third planet carrier (44) permanently connected to the output shaft (52) in a relatively non-rotatable manner; and at least four shift elements (56,58,60,62,64,66), a first of the shift elements (56,58,60,62,64,66) being designed to fix the second planet carrier (34) to the housing (16), a second of the shift elements (56,58,60,62,64,66) being designed to fix the third sun gear (40) to the housing (16), the first planet carrier (24) being permanently connected to the third ring gear (42) in a rotationally fixed manner, characterized in that the first sun gear (20) is permanently connected to the second ring gear (32) in a rotationally fixed manner.

2. The multi-stage transmission (10) according to claim 1, characterized in that a third of the shift elements (56,58,60,62,64,66) is designed to connect the first sun gear (20) to the output shaft (52) in a rotationally fixed manner.

3. The multi-speed transmission (10) according to claim 1 or 2, wherein the drive shaft (48) is permanently connected to the first ring gear (22) in a rotationally fixed manner.

4. The multi-stage transmission (10) according to claim 1 or 2, characterized in that a fourth of the shift elements (56,58,60,62,64,66) is designed to connect the drive shaft (48) to the first ring gear (22) in a rotationally fixed manner.

5. The multi-stage transmission (10) according to one of the preceding claims, characterized in that the first planetary gear set (18) is provided with a coupling shift element (64) by means of which at least two components of the first planetary gear set (18) can be coupled to one another.

6. The multi-stage transmission (10) according to one of the preceding claims, characterized in that a fifth shift element (66) is provided, by means of which the first sun gear (20) can be connected to the drive shaft (48) in a rotationally fixed manner.

7. The multi-speed transmission (10) according to one of the preceding claims, characterized in that an electric machine (68) is provided, the rotor (72) of which is permanently connected to the first ring gear (22) in a rotationally fixed manner.

8. A motor vehicle having at least one multi-speed transmission (10) according to one of the preceding claims.