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Two-segment type dual-motor hybrid power automatic transmission

An automatic transmission and hybrid power technology, applied in the field of machinery and vehicle transmission, can solve the problems that the automatic transmission has no engine shutdown function, and the automatic transmission cannot realize shutdown and energy saving, and achieve the effect of small size and good speed matching

Active Publication Date: 2020-09-22
CHINA NORTH VEHICLE RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The existing automatic transmission does not have an engine stop function during operation, and part of the mechanical energy absorbed from the whole machine will be consumed by the engine during energy recovery, and the engine is a fuel consumption part
The existing automatic transmission cannot realize the energy-saving function at shutdown

Method used

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  • Two-segment type dual-motor hybrid power automatic transmission

Examples

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Embodiment Construction

[0016] The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0017] This embodiment provides a two-stage dual-motor hybrid automatic transmission 200, such as figure 1 As shown, it includes an input shaft 201 connected to an internal combustion engine, an output shaft 202 for power output, a first planetary row 205, a second planetary row 206, a third planetary row 207, a first power motor 208, a second power motor 209, The first clutch C1, the second clutch C2, the first brake B1, and the second brake B2. The first power motor 208 and the second power motor 209 have a drive mode and a power generation mode, and have functions of both power input and power recovery.

[0018] One end of the input shaft is connected to the power source engine, and the other end of the input shaft is connected to the first planetary row frame through the first clutch, and at the same time, the first planetary row frame is connected to...

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Abstract

The invention provides a two-segment type dual-motor hybrid power automatic transmission. The two-segment type dual-motor hybrid power automatic transmission comprises an input shaft, an output shaft,two power motors, three planetary lines, two clutches and two brake devices, the power motors have drive and power generation modes, the input shaft is connected with a first planetary line frame through the first clutch, meanwhile, the first planetary line frame is connected with a transmission box body through the first brake device to achieve brake, a first planetary line gear ring is connected with a second planetary line frame, and is connected with a third planetary line frame through the second clutch, a first planetary line sun gear and a second planetary line gear ring are both connected to the first power motor, a second planetary line sun gear is connected with a third planetary sun gear, and is connected to the second power motor, the third planetary line frame is connected with the output shaft, and a third planetary line gear ring is connected with a box body through the second brake device to achieve brake. Engine shut down energy saving in the transmission running process can be achieved.

Description

technical field [0001] The invention relates to the technical field of machinery and vehicle transmission, in particular to a two-stage dual-motor hybrid automatic transmission. Background technique [0002] Hydromechanical automatic transmission for wheeled vehicles, including planetary row, clutch, housing, hydraulic control system. Transmissions can have multiple planetary rows, clutches, and internal rotating components. [0003] Different speed ratios of the transmission are realized by controlling different clutches, so as to meet the working speed ratio requirements of the transmission under different load conditions. Through the coordinated control of the internal combustion engine and the power motor, the continuous change of the output speed can be realized, and the economical efficiency of the vehicle can be improved. [0004] The existing automatic transmission does not have an engine stop function during operation, and part of the mechanical energy absorbed fr...

Claims

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Application Information

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IPC IPC(8): F16H3/44F16H59/02H02K7/116B60K6/365B60K6/38B60K6/24B60K6/26B60L7/10
CPCB60K6/24B60K6/26B60K6/365B60K6/38B60L7/10F16H3/44F16H59/02F16H2200/201F16H2200/203H02K7/116Y02T10/62Y02T10/64
Inventor 李吉元石彦辉卜树峰丁桂杰张海全程鑫巍然柳泓蛰
Owner CHINA NORTH VEHICLE RES INST
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