变速器外文资料翻译

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外文资料翻译
学生姓名:常 世 鹏
专业班级:车辆工程07级5班
指导教师:朱天军来自百度文库
河北工程大学机电学院
2011年6月
Dual-clutch transmission technology highlights
Transmission technology motor vehicles as a whole is shifting from manual to automatic transmission development, especially at this stage of rapid development of computer technology used in variable-speed transmission system, so that the car automatic transmission technology has been rapid development.
The transmission has been carried out in the cargo on board the pilot, was limited to the control of technology, such transmission has not deployed mass production. Then in the 1980s, Porsche is also dedicated to the invention of the car's dual-clutch gearbox (PDK), but it will not DCT technology into mass production.
Dual-clutch transmission technology development and application of the history of the status quo:
Dual-clutch transmission (DCT) to the concept of the 1960s are now history. As early as1939 inGermanyto apply for the Kegresse.A first dual-clutch gearbox of the patent, a manual transmission will be divided into two parts, the design concept, part of the odd file transfer, even another part of the file transfer. And the transmission of power through the linking of the two clutch two input shaft, adjacent to the file of passive gear and the two staggered mesh gear input shaft, with two clutch control can be achieved without cutting off power conversion of the transmission ratio, thus shortening the Shift time, effectively enhance the quality of transmission,
Dual-clutch transmission characteristics of the structure and working process
In recent years, the automotive automatic transmission there are three main types: mechanical electronic control automatic transmission (AMT), Stepless automatic transmission (CVT) automatic transmission and hydraulic machinery (AT). In the electronically controlled automatic transmission in the field of mechanical, in recent years, there is a newvariable-speed transmission, that is, double-clutch automatic transmission speed (Dual Clutch Transmission), due to both inherited and the AMT structure manual transmission easy to install Compact space, light weight, high-efficiency drive, many of the advantages of low manufacturing costs, and the integration of AT under the uninterrupted power, the rapid shift of the good characteristics of a smooth, quickly became the industry's R & DCT will be the new hot spot for a certain On the degree of change to the existing transmission market. In the next few years, the global transmission of light vehicle market will be AT, CVT, and between the DCT.
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