This is considered very exciting and the Japanese car manufacturer’s way of increasing the driver’s interaction with the electric car, as well as not being limited by the usual 6-7-speed transmissions. Recently, a patent unit of the Japanese brand has released a technical profile showing a transmission system with up to 14 speeds for electric cars.
According to this patent, it goes into a lot of details regarding the inner workings of a transmission system. The driver can choose a manual transmission according to their preference. “The number of virtual gear stages can be six or more virtual gear stages or fewer than six virtual gear stages,” the document noted. “The driver is allowed to choose a desired pattern that suits their preference.
However, the whole idea of “choosing a pattern” is a bit misleading. To be more exact, the car manufacturer doesn’t describe a certain mechanical system that would produce many physical gear levers as effectively as the user would like. Instead, there would be a fixed number of actual levers; it could be six but Toyota uses four as an example.
The gear selection is similar to a normal manual transmission, however, the gear can return to the neutral position after use. Then, when the driver shifts gears, the virtual model switches to the next ratio. So, if there’s a six-gear pattern and the sixth is selected, the screen will show the available ratios, inviting the driver to go up to seventh and all subsequent gears or down to fifth and the current set of gears.
There’s a reason why car manufacturers have never gone beyond seven speeds on conventional passenger cars. A 14-speed manual transmission is not practical when combined with a gasoline engine. However, when your manual transmission is just being simulated, Toyota seems to think that having everyone choose won’t do any harm.
Sơn Phạm (forum.autodaily.vn)
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