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Power coupling module based on dual-clutch transmission of parallel type hybrid power system

A hybrid power system, dual clutch transmission technology, applied in power plant, electric power plant, control device, etc., can solve the problems of complex structure and increased axial size, etc.

Inactive Publication Date: 2015-12-23
王亚
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this way, the parallel hybrid transaxle whose transmission is a dual-clutch transmission requires three clutches, which will inevitably lead to a complex structure and an increase in the axial dimension

Method used

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  • Power coupling module based on dual-clutch transmission of parallel type hybrid power system
  • Power coupling module based on dual-clutch transmission of parallel type hybrid power system
  • Power coupling module based on dual-clutch transmission of parallel type hybrid power system

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Embodiment Construction

[0016] The motor stator 5 is fixed on the transmission housing by bolts after being wound, and the transmission front cover 2 is fixed on the transmission housing by bolts after being positioned. The transmission front cover 2 simultaneously plays the roles of positioning, sealing and support. Because the parallel hybrid electric motor is a high-voltage motor, it needs to be cooled during operation; generally speaking, the cooling of the motor is realized by the transmission lubricating oil. At the same time, both the wet clutch 8 and the front lock ring synchronizer 7 need to be cooled and lubricated, so the present invention integrates the motor, the front lock ring synchronizer 7 and the wet clutch 8, and uses oil seals and sealing rings, etc. Above-mentioned three are sealed in the transmission front end cover 2.

[0017] The motor rotor 4 is made of laminated silicon steel sheets. After the permanent magnet is embedded, it is fixed on the motor rotor bracket 11 through th...

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Abstract

The invention discloses a power coupling module based on a dual-clutch transmission of a parallel type hybrid power transmission scheme. A traditional dual-clutch transmission comprises two clutches and two power input shafts. On the basis that a variable gear transmission part of the dual-clutch transmission is hardly changed, one input shaft of a clutch standing-connecting transmission is replaced by a motor; a wet clutch is arranged between the other input shaft and an engine; a locking ring type synchronizer is arranged between the two input shafts. Key transmission parts including the wet clutch, the locking ring type synchronizer and the motor are sequentially arranged behind the engine. In this way, the parallel type hybrid power transmission system according to which the engine and the motor can drive a wheel along different paths respectively is formed. Although only one wet clutch is arranged, power-interruption-free driving on the wheel can be achieved as well with the help of the motor in the gear shifting process of the engine.

Description

technical field [0001] The invention relates to a power coupling module of a parallel hybrid power transmission scheme, which is designed based on a traditional double-clutch transmission. Background technique [0002] Due to energy shortage and environmental pollution, the hybrid electric vehicle, which is an intermediate product in the transition from traditional vehicles to pure electric vehicles, has gradually become the focus of the development of the automobile industry. Hybrid electric vehicles are divided into series hybrid, parallel hybrid and hybrid hybrid. Parallel hybrid electric vehicles are the first choice for the development of various automobile manufacturers because of their small system overhead and relatively low technical cost. A parallel hybrid drivetrain is a medium-hybrid drivetrain featuring only one high-voltage electric motor. Typically, the electric motor is placed between the engine and the transmission. The biggest feature of the parallel hybr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60K17/16B60K1/02
Inventor 王亚
Owner 王亚
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