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Vehicle power transmission system

A technology of power transmission system and automobile, applied in the field of automobile structural components, can solve the problems of poor ride comfort, large fuel consumption, insufficient utilization of thermal energy, etc., and achieves lower vehicle cost, compact structure, and improved space utilization rate. Effect

Inactive Publication Date: 2016-08-10
CHERY AUTOMOBILE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

In the traditional power transmission mechanism, only one clutch is used to control the on / off of power transmission, the excess heat energy generated during the operation of the car cannot be fully utilized, the fuel consumption is large, and the ride comfort is poor

Method used

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Embodiment Construction

[0021] The structure of the single row planetary gear system is as attached figure 1 As shown, the single-row planetary gear train mechanism includes the sun gear 17, the planet gear 6, the planet carrier 13 and the ring gear 1, the output shaft of the engine 35 in the hybrid vehicle is connected to the center shaft of the sun gear 17, and the rotor of the motor 38 is connected to the center shaft of the sun gear 17. The ring gear 1 is connected with a flat key, and the stator of the motor 38 is fixed on the housing. The motor 38 is a motor generator with both functions of a generator and a motor. The ring gear 1, the planet carrier 13, the sun gear 17 and the planetary gear The gears 6 form a planetary gear train mechanism, the peripheral gears of the sun gear 17 are meshed with several planetary gears 6, and the planetary gears 6 are meshed with the inner ring gear of the ring gear 1, and the planet carrier 13 is connected to the central axis of each planetary gear 6, and bas...

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PUM

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Abstract

The invention discloses a vehicle power transmission system. An output shaft of an engine is connected to a center shaft of a sun gear; a rotor of a motor is in matching connection with a gear ring by a flat key; at least three planet gears are arranged between the sun gear and the gear ring; the planet gears are respectively meshed with an inner ring gear of the gear ring and the sun gear. The vehicle power transmission system disclosed by the invention achieves specific functional requirements of a hybrid electric vehicle on the basis of one single row of planet gears and one single motor; by creatively arranging a bearing supporting system, the structure of an integral power coupling device is more compact and finished vehicle cost is greatly reduced; moreover, the bearing supporting system can be compactly arranged, so that a space utilization rate is improved, and radial and axial supporting of moving parts are provided.

Description

technical field [0001] The invention relates to the technical field of automobile structural components, in particular to a planetary wheel and its bearing support system. Background technique [0002] As a means of transportation, automobiles play a very important role in modern industrial society. With the continuous increase of car ownership and people's increasing demand for automatic transmission cars and hybrid cars, the application of new power transmission mechanisms is becoming more and more extensive. In the domestic auto market and the mainstream auto markets in Europe, America, Japan and South Korea, more and more models have added automatic transmissions such as continuously variable transmission CVT and planetary automatic transmission AT on the basis of the original configuration of only manual transmissions. Configuration. In this way, more and more models need to be matched with special power transmission mechanisms to realize the convenience and comfort o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60K6/365
CPCB60K6/365
Inventor 黄东段志辉景枫王亚峰林学欣
Owner CHERY AUTOMOBILE CO LTD
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