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Power transmission system used in vehicle and vehicle having same

A technology of power transmission system and vehicle, applied in the field of power transmission system, can solve the problems of few transmission modes, low transmission efficiency, complex structure, etc., and achieve the effect of enriching transmission modes

Active Publication Date: 2015-07-22
BYD CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, in the related technologies known to the inventor, the power transmission system in a hybrid vehicle is generally complex in structure, with few transmission modes and low transmission efficiency.
For example, for most hybrid electric vehicles, the charging process is often realized during driving, the charging mode and charging path are relatively single, and the charging efficiency is poor

Method used

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  • Power transmission system used in vehicle and vehicle having same
  • Power transmission system used in vehicle and vehicle having same
  • Power transmission system used in vehicle and vehicle having same

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0140] Such as figure 1 As shown, the engine 4 is connected with the input end 23d of the double clutch 2d, the first output end 21d of the double clutch 2d is connected with the first input shaft 11, the second output end 22d of the double clutch 2d is connected with the second input shaft 12, and the double clutch 2d is connected with the second input shaft 12. The input end 23d of the clutch 2d and the first output end 21d and the second output end 22d of the double clutch 2d can be in disconnected state at the same time, or the input end 23d of the double clutch 2d can be connected with the first output end 21d and the second output end 21d of the double clutch 2d. One of the two output terminals 22d is engaged, or the input terminal 23d of the dual clutch 2d can be simultaneously engaged with the first output terminal 21d and the second output terminal 22d of the dual clutch 2d.

[0141] The second input shaft 12 is a hollow shaft structure, the first input shaft 11 is a ...

Embodiment 2 Embodiment 5

[0184] Such as Figure 2-Figure 5 As shown, the power transmission system 100 and figure 1 The main difference of the power transmission system 100 shown in FIG. The description of the structure will not be repeated here.

Embodiment 6

[0186] Such as Figure 6 As shown, the transmission 101 in this embodiment and figure 1 The main difference of the power transmission system 100 shown in FIG. figure 1 The embodiments are basically the same and will not be repeated here.

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Abstract

The invention discloses a power transmission system and a vehicle. The power transmission system comprises an engine, a plurality of input shafts, a plurality of output shafts, a motor power shaft and a first motor-generator, wherein the engine is arranged to be connected with at least one of the plurality of input shafts selectively, and each input shaft is provided with a shift driving gear; each output shaft is provided with a shift driven gear which is meshed with the corresponding shift driving gear; the motor power shaft is arranged to be linked with one of the output shafts; the first motor-generator is arranged to be linked with the motor power shaft, wherein when the motor power shaft is linked with one of the output shafts, the first motor-generator can generate power in running and parking of the vehicle by making use of at least part of power output by the engine. By adopting the power transmission system, transmission modes are enriched, and multiple working conditions of charging in parking, charging for the engine when the engine performs driving and the like can be realized.

Description

technical field [0001] The present invention relates to a power transmission system for a vehicle and a vehicle having the power transmission system. Background technique [0002] With the continuous consumption of energy, the development and utilization of new energy vehicles has gradually become a trend. As one of the new energy vehicles, a hybrid vehicle is driven by an engine and / or an electric motor, and has multiple modes, which can improve transmission efficiency and fuel economy. [0003] However, in the relevant technologies known to the inventor, the power transmission system in a hybrid vehicle generally has a complex structure, few transmission modes, and low transmission efficiency. For example, for most hybrid electric vehicles, the charging process is often implemented during driving, the charging mode and charging path are relatively single, and the charging efficiency is poor. Contents of the invention [0004] The present invention aims to solve one of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60K6/36B60K6/54
Inventor 杨冬生廉玉波张金涛罗红斌
Owner BYD CO LTD
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