Multimode power transmission structure of hybrid electric vehicle

A technology of hybrid electric vehicles and power transmission, which is applied to the layout of multiple different prime movers of hybrid electric vehicles and general power plants, and motor vehicles, and can solve the problems of reducing fuel consumption, multiple shaft systems, and large powertrain mass and other issues to achieve the effect of reducing quality and cost

Active Publication Date: 2018-01-09
DONGFENG MOTOR CORP HUBEI
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this scheme has more shafts and a larger gearbox size, which is not conducive to the layout of the powertrain; at the same time, the mass of the powertrain is relatively large, which is not conducive to reducing the fuel consumption of the vehicle

Method used

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  • Multimode power transmission structure of hybrid electric vehicle

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Embodiment Construction

[0020] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0021] Such as figure 1 The multi-mode power transmission structure of the hybrid electric vehicle shown includes a motor 2, a motor input shaft 4 connected to the motor 2, an engine 1, an engine input shaft 14 connected to the engine 1, a drive shaft 19, and a drive shaft 19. The main reducer 10; the motor 2 is located on the opposite side of the engine 1.

[0022] The first clutch 13 is connected between the motor input shaft 4 and the engine input shaft 14; the engine input shaft 14 is fixedly connected with the engine input gear 12, the final reducer 10 is fixedly connected with the reducer gear 20, and the motor input shaft 4 is fixedly connected with the first clutch 13; The first gear driving gear 3 and the second gear driving gear 5 are connected, the first gear driving gear 3 and the second gear driving gear 5 transmit power...

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Abstract

The invention discloses a multimode power transmission structure of a hybrid electric vehicle. A first clutch is connected between a motor input shaft and an engine input shaft; an engine input gear is fixedly connected to the engine input shaft, a reducer gear is fixedly connected to a main reducer, a first-gear driving gear and a second-gear driving gear are fixedly connected to the motor inputshaft, the first-gear driving gear and the second-gear driving gear transmits power to the reducer gear through an engine output gear set, and an engine input gear transmits power to the reducer gearthrough an engine output gear set. The mass of a power assembly and cost of the power assembly are reduced by canceling an electric generator; both the engine and the electric generator can work in ahigh efficiency interval; the ability of starting, accelerating and climbing a slope of the vehicle is improved, and the maximum rotating speed of a motor is reduced, so that cost of the motor is reduced; no power interrupt occurs on the engine and the motor in the gear shifting process; and the transmission device is small in size, compact in whole structure, and convenient to arrange.

Description

technical field [0001] The invention relates to the technical field of a transmission structure of a hybrid electric vehicle, in particular to a multi-mode power transmission structure of a hybrid electric vehicle. Background technique [0002] Energy saving and environmental protection have become the two major themes in the development of automobile technology. In recent years, hybrid electric vehicles that reduce fuel consumption and emissions have been developed and applied, and have developed rapidly in the process of commercialization and industrialization. At present, hybrid electric vehicles that have been mass-produced Cars include Toyota Prius, Mitsubishi Outlander PHEV, BYD Qin and so on. [0003] From the perspective of power coupling, hybrid electric vehicles mainly include parallel, series and hybrid. [0004] At present, there are many schemes for automobile hybrid power devices, each of which has advantages and disadvantages. For example, the "Powertrain fo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60K6/24B60K6/26B60K6/36B60K6/38
CPCY02T10/62
Inventor 雷君都亚博马立砚王明锐郭振戈
Owner DONGFENG MOTOR CORP HUBEI
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