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Transmission for a motor vehicle, and powertrain system for a motor vehicle with such a transmission

A technology for transmissions and motor vehicles, which is applied in the field of transmissions and can solve problems such as axial structure enlargement

Inactive Publication Date: 2017-11-10
ZF FRIEDRICHSHAFEN AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the axial structure of the transmission increases based on this arrangement

Method used

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  • Transmission for a motor vehicle, and powertrain system for a motor vehicle with such a transmission
  • Transmission for a motor vehicle, and powertrain system for a motor vehicle with such a transmission
  • Transmission for a motor vehicle, and powertrain system for a motor vehicle with such a transmission

Examples

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Embodiment Construction

[0038] figure 1 A transmission G according to a first exemplary embodiment of the invention is shown schematically. The transmission G includes a planetary gear set system PS having a first planetary gear set P1 and a second planetary gear set P2. In addition, the transmission G includes a first spur gear set ST1 and a second spur gear set ST2. The planetary gear set PS is arranged coaxially with the driven shaft GW2, and the drive shaft GW1 is arranged axially parallel to the driven shaft GW2. The spur gear sets ST1 , ST2 are designed to connect two axially parallel shaft systems.

[0039] The transmission G includes five switching elements, namely, a first switching element B1, a second switching element B2, a third switching element C1, a fourth switching element C3, and a fifth switching element C4. By closing the first shifting element B1 , the interconnected planetary axle carriers of the two planetary gearsets P1 , P2 can be fixed against rotation. The first shiftin...

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Abstract

A transmission for a motor vehicle comprises a drive shaft, a driven shaft, first and second spur gear sets, a planetary gear set system (PS) having a total of four shafts, a first switching element (B1), a second switching element (B2), a third switching element (C1), a fourth switching element (C3) and a fifth switching element (C4), and a housing, the planetary gear set system is arranged axially parallel to the drive shaft and coaxial to the driven shaft, the driven shaft has a spur gear tooth (GW2A) and meshes in a gear plane with a spur gear tooth of a shaft axially parallel to the driven shaft, the planetary gear set system is axially arranged between the gear plane and the two spur gear sets, the transmission comprises a functional interface for connecting a transmission external drive unit, and an axial distance between the gear plane and the interface is shorter than an axial distance between the interface and a plane of the planetary gear set system. The invention also relates to a powertrain system for a motor vehicle with such a transmission.

Description

technical field [0001] The invention relates to a transmission for a motor vehicle and a drivetrain for a motor vehicle comprising such a transmission. A transmission here refers in particular to a multi-stage transmission in which a plurality of gears, ie fixed transmission ratios between two shafts of the transmission, can be shifted preferably automatically via shift elements. The switching element is here, for example, a clutch or a brake. Such transmissions are mainly used in motor vehicles in order to suitably adapt the rotational speed and torque output characteristics of the drive unit to the driving resistance of the vehicle. Background technique [0002] Patent document DE 10162884 A1 discloses a multi-speed transmission comprising at least one drive shaft and a driven shaft arranged in a housing, two single planet carrier planetary gear sets, an intermediate shaft for defining a fixed input transmission ratio stages, at least seven rotatable shafts, and five swi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H37/06F16H37/08F16H57/02
CPCF16H37/065F16H37/082F16H57/02F16H2200/202F16H2200/2043B60K6/365B60K6/48B60K6/547B60K2006/4816F16H3/66F16H3/663F16H2003/442F16H2200/2007F16H2200/2023F16H2200/2046F16H2200/2064F16H2200/2094Y02T10/62
Inventor J·帕夫拉克维奇R·库贝尔齐克T·罗泽迈尔B·翁塞尔德P·齐默尔S·贝克M·维克斯
Owner ZF FRIEDRICHSHAFEN AG