变速器外文翻译
附 录
From 1894, a French engineer to a car fitted with the world's first
transmission date, transmission has been car a hundred years of development.
Important for the automotive transmission component of the commitment to
enlarge the engine torque, torsional characteristics of reactive power with the
engine, to achieve the desired power transmission, and thus adapt to various road
conditions to achieve the main devices driving.
The first is the use of manual transmission. Later, for the convenience of
motorists, in the collar between adjacent gear fitted with a synchronizer, the
synchronizer rely on, and we do not need to shift to judge the speed. Manual
transmission is still present in the automotive industry a wide range of
applications, automatic transmission is a trend, but the manual transmission is
great fun, embodied persons.
The traditional gear transmission with the use of different shift achieved the
purpose of twisting, but with the change of gear by foot only hand-off to achieve,
and this is the so-called manual transmission. Easily shift to achieve the abolition
of clutch pedal and manual the AT (AutomaticTransmission) transmission
occurred, it is the main browser using hydraulic Torque traditional mechanical
gearbox with the shift function to achieve. In fact, as early as the 1948
Oldsmobile car GM has already emerged on the automatic transmission is now
taking shape, but then the automatic transmission is only the addition of hydraulic
coupler manual transmission only.
AT used because earlier, so the English name is called "automatic
transmission." However, AT is not the same as in the automatic transmission. As
long as we can to achieve the automatic transmission shift automatic transmission
can be called, it is necessary to achieve this in fact means a lot: In addition to AT,
but also includes other forms of CVT. However, before the overthrow of the name
can not, so let us not think so: automatic transmission (AT) including: hydraulic
transmission (AT), Electronically Controlled Transmission (ECT), non-polar
transmission (CVT).
1908 Ford Model T the first use of a two-speed ratio automatic transmission.
- 1
Constructed using multiple sets of gear, and gear into the central and peripheral
gear, the outside is a runner, with the introduction of the central gear of the torque
from the engine is different from camera gear groups so as to be different levels
of speed, including Reverse rotation reversing file. Runner-type automatic
transmission, there is a drawback, that is, when people start to accelerate there is a
feeling of spin the wheels, so drivers will be meng refueling door, but does not
immediately increase the speed again. At present, some manufacturers such as
Nissan and Fiat, have recourse to some electronic device to try to eliminate this
shortcoming, Nissan Primera and the 6-speed transmission Fiat Punto 7-speed
gearbox is the result of this effort. Drivers pulled no need to handle, they can
easily change the speed.
Although the automatic transmission continue to evolve and progress, but
there will always be a drawback, that is, the response speed of action and between
the pedal there will always be a gap, driving in the impression of a lack of
intuition. Appeared in 1969 and the electronic control systems appeared in 1982,
which was to improve digital technology.
With the engine fuel injection and ignition devices continued to be refined,
automatic transmission is also new tricks, such as set up a "campaign-style 'or"
snow road ", such as the manipulation of different ways, some in the instrument
panel has a bearing S letter button, you can become extremely rapid acceleration;
or snowflake patterns are printed on the button on behalf of the snow moving to
avoid slipping in the start. Even worse, a new generation of "adaptable style"
Transmission can also adapt to motorists different habits, the corresponding
reaction, so that drivers will become more user-friendly. the intelligent automatic
transmission, and spread to the vehicle mass, which is a credit to the French. in
1997 with the Renault Clio Peugeot 206 took the lead in the most advanced
computer-controlled technology and is known as "fuzzylogie" the principle that
"fuzzy logic." This car can drive based on the temperament, road conditions,
vehicle load and the surrounding environment and other factors, in the nine kinds
of programs select the most suitable function, the realization of intelligent driving,
in order to give full play to the vehicle performance and reduce fuel consumption
and ensure safety. now that is, continuously variable transmission CVT
(ContinuouslyVariableTransmission) also have been widely used, continuously
variable transmission system in the non-use of gears, to provide smooth and "no
class" conversion ratio of the transmission system at the same time light weight,
small size, the characteristics of small parts, is recognized as the ideal vehicle
- 2
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附录From1894,aFrenchengineertoacarfittedwiththeworld'sfirsttransmissiondate,transmissionhasbeencarahundredyearsofdevelopment.Importantfortheautomotivetransmissioncomponentofthecommitmenttoenlargetheenginetorque,torsionalcharacteristicsofreactivepowerwiththeengine,toachievethedesiredpowertransmission,a...
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作者：闻远设计
分类：课程设计课件资料
价格：5光币
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大小：32.57KB
格式：DOC
时间：2022-10-23
