阅读说明：本技术 用于机动车辆的混合动力变速器和机动车辆动力传动系 (Hybrid transmission for a motor vehicle and motor vehicle drive train ) 是由 S·贝克 F·库特尔 M·布雷默 M·霍恩 T·马丁 M·韦克斯 T·克罗 O·拜耳 于 2019-10-15 设计创作，主要内容包括：一种用于具有燃烧动力机器(55)和电驱动机器(18)的机动车辆动力传动系的混合动力变速器(10),混合动力变速器具有：第一子变速器(10a),第一子变速器具有多个挡位级和第一变速器输入轴(12)；第二子变速器(10b),第二子变速器具有多个挡位级和第二变速器输入轴(14)；副轴(16)；用于置入挡位级(1,2,3,4,5)的多个换挡元件(A,B,C,D,E)；以及布置在多个齿轮组级别中的、活动齿轮(28,32,36,40,44)和固定齿轮(26,30,34,38,42)的齿轮副,以形成挡位级,其中针对燃烧动力机器可置入挡位级中的一部分挡位级,并且针对电驱动机器可置入挡位级中的一部分挡位级；并且为了形成具有最低的和第二低的传动比的挡位级,齿轮副被固定指配给第一子变速器。本发明还涉及一种具有这种混合动力变速器的机动车辆动力传动系。(A hybrid transmission (10) for a motor vehicle drive train having a combustion-powered machine (55) and an electric drive machine (18), the hybrid transmission having: a first sub-transmission (10a) having a plurality of gear stages and a first transmission input shaft (12); a second sub-transmission (10b) having a plurality of gear stages and a second transmission input shaft (14); a countershaft (16); a plurality of shift elements (A, B, C, D, E) for engaging the gear stages (1, 2, 3, 4, 5); and gear pairs of loose gears (28, 32, 36, 40, 44) and fixed gears (26, 30, 34, 38, 42) arranged in a plurality of gear set levels to form gear stages, wherein a part of the gear stages are placeable for the combustion-powered machine and a part of the gear stages are placeable for the electric drive machine; and the gear wheel set is fixedly assigned to the first sub-transmission in order to form the gear stage with the lowest and the second lowest transmission ratio. The invention also relates to a motor vehicle drive train having such a hybrid transmission.)

1. A hybrid transmission (10) for a motor vehicle powertrain having a combustion-powered machine (55) and an electric drive machine (18), the hybrid transmission having:

a first sub-transmission (10a) having a plurality of gear stages and a first transmission input shaft (12);

a second sub-transmission (10b) having a plurality of gear stages and a second transmission input shaft (14);

a countershaft (16);

a plurality of shift elements (A, B, C, D, E) for engaging the gear stages (1, 2, 3, 4, 5); and

gear pairs of loose gears (28, 32, 36, 40, 44) and fixed gears (26, 30, 34, 38, 42) arranged in multiple gear set levels to form the gear levels, wherein

A number of the gear stages can be engaged for the combustion engine and a number of the gear stages can be engaged for the electric drive; and is

In order to form the gear stage with the lowest and second lowest transmission ratio, the gear wheel set is fixedly assigned to the first subtransmission.

2. Hybrid transmission (10) according to the preceding claim, wherein

The hybrid transmission has five gear stages (1, 2, 3, 4, 5); and is

All gear stages can be engaged for the combustion engine (55) and the electric drive (18).

3. The hybrid transmission (10) according to one of the preceding claims, wherein a gear pair of a gear stage larger than a second gear stage is arranged on a different sub-transmission than a gear pair of an adjacent gear stage.

4. Hybrid transmission (10) according to one of the preceding claims, wherein the first sub-transmission (10a) and/or the second sub-transmission (10b) are designed for setting a force transmission path with the electric drive machine (18) and/or a further electric drive machine (22).

5. The hybrid transmission (10) according to the preceding claim, wherein the first sub-transmission (10a) and/or the second sub-transmission (10b) is designed for setting a force transmission path on a fixed gear (38) of a gear set forming the highest gear stage on the first sub-transmission and/or the second sub-transmission.

6. Hybrid transmission (10) according to one of claims 4 or 5, wherein fixed gears (38, 42) arranged on axial ends of the hybrid transmission are designed for setting a force transmission path with the electric drive machine (18) and/or the further electric drive machine (22).

7. Hybrid transmission (10) according to one of the preceding claims, wherein

The loose gears (28, 32) of the first and/or second gear stage have a common shifting element together with the further gear wheel set forming the gear;

the shifting elements (A, B, C, D) are designed as form-fitting shifting elements; and/or

At least two shifting elements (A, B, C, D) are designed as double shifting elements (EC, AD).

8. Hybrid transmission (10) according to one of the preceding claims, having:

a first coupling element (K1) and a second coupling element (K2) for operatively connecting shafts in the hybrid transmission, wherein

The first transmission input shaft (12) being operatively connected with the combustion power machine by means of the first coupling element (K1), and the second transmission input shaft (14) being operatively connected with the combustion power machine by means of the second coupling element (K2); and is

The first and second coupling elements (K1, K2) are designed as form-fitting coupling elements.

9. Hybrid transmission (10) according to the preceding claim, wherein the first and second coupling elements are actuatable by a double-acting actuator.

10. Hybrid transmission (10) according to one of the preceding claims, having a connecting element (K3) which connects the first transmission input shaft (12) with the second transmission input shaft (14) in an efficient driving manner.

11. The hybrid transmission (10) according to one of the preceding claims, wherein the first transmission input shaft (12) and the second transmission input shaft (14) are arranged coaxially to each other; and is

One of the transmission input shafts is designed as a hollow shaft and at least partially surrounds the other transmission input shaft.

12. A motor vehicle powertrain (11) having:

a combustion-powered machine (55) for providing driving power;

an electric drive machine (18) for providing drive power; and

hybrid transmission (10) according to one of the preceding claims.

13. Motor vehicle powertrain (11) according to the preceding claim having a further electric drive machine (22) for providing drive power.

14. Motor vehicle powertrain (11) according to one of the preceding claims, wherein the electric drive machine and/or the further electric drive machine is arranged parallel to the first transmission input shaft and/or the second transmission input shaft axis.